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JeeSpringCloud/src/main/java/com/jeespring/common/persistence/Page.java 0 → 100644
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/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.jeespring.common.config.Global;
import org.apache.commons.lang3.StringUtils;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.jeespring.common.utils.CookieUtils;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
/**
* 分页类
* @author 黄炳桂 516821420@qq.com
* @version 2013-7-2
* @param <T>
*/
public class Page<T> implements Serializable {
protected int pageNo = 1; // 当前页码
protected int pageSize = Integer.valueOf(Global.getConfig("page.pageSize")); // 页面大小，设置为“-1”表示不进行分页（分页无效）
protected long count;// 总记录数，设置为“-1”表示不查询总数
protected int first;// 首页索引
protected int last;// 尾页索引
protected int prev;// 上一页索引
protected int next;// 下一页索引
private boolean firstPage;//是否是第一页
private boolean lastPage;//是否是最后一页
protected int length = 8;// 显示页面长度
protected int slider = 1;// 前后显示页面长度
private List<T> list = new ArrayList<T>();
private String orderBy = ""; // 标准查询有效， 实例： updatedate desc, name asc
protected String funcName = "page"; // 设置点击页码调用的js函数名称，默认为page，在一页有多个分页对象时使用。
protected String funcParam = ""; // 函数的附加参数，第三个参数值。
private String message = ""; // 设置提示消息，显示在“共n条”之后
public Page() {
this.pageSize = -1;
}
/**
* 构造方法
* @param request 传递 repage 参数，来记住页码
* @param response 用于设置 Cookie，记住页码
*/
public Page(HttpServletRequest request, HttpServletResponse response){
this(request, response, -2);
}
public Page(int pageNo, int pageSize,String orderBy){
this(pageNo, pageSize,0);
this.orderBy=orderBy;
}
/**
* 构造方法
* @param request 传递 repage 参数，来记住页码
* @param response 用于设置 Cookie，记住页码
* @param defaultPageSize 默认分页大小，如果传递 -1 则为不分页，返回所有数据
*/
public Page(HttpServletRequest request, HttpServletResponse response, int defaultPageSize){
// 设置页码参数（传递repage参数，来记住页码）
String no = request.getParameter("pageNo");
if (StringUtils.isNumeric(no)){
CookieUtils.setCookie(response, "pageNo", no);
this.setPageNo(Integer.parseInt(no));
}else if (request.getParameter("repage")!=null){
no = CookieUtils.getCookie(request, "pageNo");
if (StringUtils.isNumeric(no)){
this.setPageNo(Integer.parseInt(no));
}
}
// 设置页面大小参数（传递repage参数，来记住页码大小）
String size = request.getParameter("pageSize");
if (StringUtils.isNumeric(size)){
CookieUtils.setCookie(response, "pageSize", size);
this.setPageSize(Integer.parseInt(size));
}else if (request.getParameter("repage")!=null){
no = CookieUtils.getCookie(request, "pageSize");
if (StringUtils.isNumeric(size)){
this.setPageSize(Integer.parseInt(size));
}
}else if (defaultPageSize != -2){
this.pageSize = defaultPageSize;
}
// 设置排序参数
String orderBy = request.getParameter("orderBy");
if (StringUtils.isNotBlank(orderBy)){
this.setOrderBy(orderBy);
}
}
/**
* 构造方法
* @param pageNo 当前页码
* @param pageSize 分页大小
*/
public Page(int pageNo, int pageSize) {
this(pageNo, pageSize, 0);
}
/**
* 构造方法
* @param pageNo 当前页码
* @param pageSize 分页大小
* @param count 数据条数
*/
public Page(int pageNo, int pageSize, long count) {
this(pageNo, pageSize, count, new ArrayList<T>());
}
/**
* 构造方法
* @param pageNo 当前页码
* @param pageSize 分页大小
* @param count 数据条数
* @param list 本页数据对象列表
*/
public Page(int pageNo, int pageSize, long count, List<T> list) {
this.setCount(count);
this.setPageNo(pageNo);
this.pageSize = pageSize;
this.list = list;
}
/**
* 初始化参数
*/
public void initialize(){
//1
this.first = 1;
this.last = (int)(count / (this.pageSize < 1 ? 20 : this.pageSize) + first - 1);
if (this.count % this.pageSize != 0 || this.last == 0) {
this.last++;
}
if (this.last < this.first) {
this.last = this.first;
}
if (this.pageNo <= 1) {
this.pageNo = this.first;
this.firstPage=true;
}
if (this.pageNo >= this.last) {
this.pageNo = this.last;
this.lastPage=true;
}
if (this.pageNo < this.last - 1) {
this.next = this.pageNo + 1;
} else {
this.next = this.last;
}
if (this.pageNo > 1) {
this.prev = this.pageNo - 1;
} else {
this.prev = this.first;
}
//2
if (this.pageNo < this.first) {// 如果当前页小于首页
this.pageNo = this.first;
}
if (this.pageNo > this.last) {// 如果当前页大于尾页
this.pageNo = this.last;
}
}
@Override
public String toString() {
return ReflectionToStringBuilder.toString(this);
}
/**
* 默认输出当前分页标签
* <div class="page">${page}</div>
*/
public String toStringPage() {
StringBuilder sb = new StringBuilder();
sb.append("<div class=\"fixed-table-pagination\" style=\"display: block;\">");
// sb.append("<div class=\"dataTables_info\">");
// sb.append("<li class=\"disabled controls\"><a href=\"javascript:\">当前 ");
// sb.append("<input type=\"text\" value=\""+pageNo+"\" onkeypress=\"var e=window.event||this;var c=e.keyCode||e.which;if(c==13)");
// sb.append(funcName+"(this.value,"+pageSize+",'"+funcParam+"');\" onclick=\"this.select();\"/> / ");
// sb.append("<input type=\"text\" value=\""+pageSize+"\" onkeypress=\"var e=window.event||this;var c=e.keyCode||e.which;if(c==13)");
// sb.append(funcName+"("+pageNo+",this.value,'"+funcParam+"');\" onclick=\"this.select();\"/> 条，");
// sb.append("共 " + count + " 条"+(message!=null?message:"")+"</a></li>\n");
// sb.append("</div>");
long startIndex = (pageNo-1)*pageSize + 1;
long endIndex = pageNo*pageSize <=count? pageNo*pageSize:count;
sb.append("<div class=\"pull-left pagination-detail\">");
sb.append("<span class=\"pagination-info\">显示第 "+startIndex+" 到第 "+ endIndex +" 条记录，总共 "+count+" 条记录</span>");
sb.append("<span class=\"page-list\">每页显示 <span class=\"btn-group dropup\">");
sb.append("<button type=\"button\" class=\"btn btn-sm btn-primary dropdown-toggle\" data-toggle=\"dropdown\" aria-expanded=\"false\">");
sb.append("<span class=\"page-size\">"+pageSize+"</span> <span class=\"caret\"></span>");
sb.append("</button>");
sb.append("<ul class=\"dropdown-menu\" role=\"menu\">");
sb.append("<li class=\""+getSelected(pageSize,10)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",10,'"+funcParam+"');\">10</a></li>");
sb.append("<li class=\""+getSelected(pageSize,25)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",25,'"+funcParam+"');\">25</a></li>");
sb.append("<li class=\""+getSelected(pageSize,50)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",50,'"+funcParam+"');\">50</a></li>");
sb.append("<li class=\""+getSelected(pageSize,100)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",100,'"+funcParam+"');\">100</a></li>");
sb.append("<li class=\""+getSelected(pageSize,1000)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",1000,'"+funcParam+"');\">1000</a></li>");
sb.append("<li class=\""+getSelected(pageSize,100000000)+ "\"><a href=\"javascript:"+funcName+"("+pageNo+",100000000,'"+funcParam+"');\">全部</a></li>");
sb.append("</ul>");
sb.append("</span> 条记录</span>");
sb.append("</div>");
// sb.append("<p>每页 <select onChange=\""+funcName+"("+pageNo+",this.value,'"+funcParam+"');\"" +"style=\"display:display !important;\" class=\"form-control m-b input-sm\">" +
// "<option value=\"10\" "+getSelected(pageSize,10)+ ">10</option>" +
// "<option value=\"25\" "+getSelected(pageSize,25)+ ">25</option>" +
// "<option value=\"50\" "+getSelected(pageSize,50)+ ">50</option>" +
// "<option value=\"100\" "+getSelected(pageSize,100)+ ">100</option>" +
// "</select> 条记录，显示 " +startIndex+ " 到 "+ endIndex +" 条，共 "+count+" 条</p>");
// sb.append("</div>");
// sb.append("</div>");
sb.append("<div class=\"pull-right pagination-roll\">");
sb.append("<ul class=\"pagination pagination-outline\">");
if (pageNo == first) {// 如果是首页
sb.append("<li class=\"paginate_button previous disabled\"><a href=\"javascript:\"><i class=\"fa fa-angle-double-left\"></i></a></li>\n");
sb.append("<li class=\"paginate_button previous disabled\"><a href=\"javascript:\"><i class=\"fa fa-angle-left\"></i></a></li>\n");
} else {
sb.append("<li class=\"paginate_button previous\"><a href=\"javascript:\" onclick=\""+funcName+"("+first+","+pageSize+",'"+funcParam+"');\"><i class=\"fa fa-angle-double-left\"></i></a></li>\n");
sb.append("<li class=\"paginate_button previous\"><a href=\"javascript:\" onclick=\""+funcName+"("+prev+","+pageSize+",'"+funcParam+"');\"><i class=\"fa fa-angle-left\"></i></a></li>\n");
}
int begin = pageNo - (length / 2);
if (begin < first) {
begin = first;
}
int end = begin + length - 1;
if (end >= last) {
end = last;
begin = end - length + 1;
if (begin < first) {
begin = first;
}
}
if (begin > first) {
int i = 0;
for (i = first; i < first + slider && i < begin; i++) {
sb.append("<li class=\"paginate_button \"><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
if (i < begin) {
sb.append("<li class=\"paginate_button disabled\"><a href=\"javascript:\">...</a></li>\n");
}
}
for (int i = begin; i <= end; i++) {
if (i == pageNo) {
sb.append("<li class=\"paginate_button active\"><a href=\"javascript:\">" + (i + 1 - first)
+ "</a></li>\n");
} else {
sb.append("<li class=\"paginate_button \"><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
}
if (last - end > slider) {
sb.append("<li class=\"paginate_button disabled\"><a href=\"javascript:\">...</a></li>\n");
end = last - slider;
}
for (int i = end + 1; i <= last; i++) {
sb.append("<li class=\"paginate_button \"><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
if (pageNo == last) {
sb.append("<li class=\"paginate_button next disabled\"><a href=\"javascript:\"><i class=\"fa fa-angle-right\"></i></a></li>\n");
sb.append("<li class=\"paginate_button next disabled\"><a href=\"javascript:\"><i class=\"fa fa-angle-double-right\"></i></a></li>\n");
} else {
sb.append("<li class=\"paginate_button next\"><a href=\"javascript:\" onclick=\""+funcName+"("+next+","+pageSize+",'"+funcParam+"');\">"
+ "<i class=\"fa fa-angle-right\"></i></a></li>\n");
sb.append("<li class=\"paginate_button next\"><a href=\"javascript:\" onclick=\""+funcName+"("+last+","+pageSize+",'"+funcParam+"');\">"
+ "<i class=\"fa fa-angle-double-right\"></i></a></li>\n");
}
sb.append("</ul>");
sb.append("</div>");
sb.append("</div>");
// sb.insert(0,"<ul>\n").append("</ul>\n");
// sb.append("<div style=\"clear:both;\"></div>");
// sb.insert(0,"<div class=\"page\">\n").append("</div>\n");
return sb.toString();
}
/**
* 默认输出当前分页标签
* <div class="page">${page}</div>
*/
public String getPageHtml() {
StringBuilder sb = new StringBuilder();
if (pageNo == first) {// 如果是首页
sb.append("<li class=\"disabled\"><a href=\"javascript:\">&#171; 上一页</a></li>\n");
} else {
sb.append("<li><a href=\"javascript:\" onclick=\""+funcName+"("+prev+","+pageSize+",'"+funcParam+"');\">&#171; 上一页</a></li>\n");
}
int begin = pageNo - (length / 2);
if (begin < first) {
begin = first;
}
int end = begin + length - 1;
if (end >= last) {
end = last;
begin = end - length + 1;
if (begin < first) {
begin = first;
}
}
if (begin > first) {
int i = 0;
for (i = first; i < first + slider && i < begin; i++) {
sb.append("<li><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
if (i < begin) {
sb.append("<li class=\"disabled\"><a href=\"javascript:\">...</a></li>\n");
}
}
for (int i = begin; i <= end; i++) {
if (i == pageNo) {
sb.append("<li class=\"active\"><a href=\"javascript:\">" + (i + 1 - first)
+ "</a></li>\n");
} else {
sb.append("<li><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
}
if (last - end > slider) {
sb.append("<li class=\"disabled\"><a href=\"javascript:\">...</a></li>\n");
end = last - slider;
}
for (int i = end + 1; i <= last; i++) {
sb.append("<li><a href=\"javascript:\" onclick=\""+funcName+"("+i+","+pageSize+",'"+funcParam+"');\">"
+ (i + 1 - first) + "</a></li>\n");
}
if (pageNo == last) {
sb.append("<li class=\"disabled\"><a href=\"javascript:\">下一页 &#187;</a></li>\n");
} else {
sb.append("<li><a href=\"javascript:\" onclick=\""+funcName+"("+next+","+pageSize+",'"+funcParam+"');\">"
+ "下一页 &#187;</a></li>\n");
}
sb.append("<li class=\"disabled controls\"><a href=\"javascript:\">当前 ");
sb.append("<input type=\"text\" value=\""+pageNo+"\" onkeypress=\"var e=window.event||event;var c=e.keyCode||e.which;if(c==13)");
sb.append(funcName+"(this.value,"+pageSize+",'"+funcParam+"');\" onclick=\"this.select();\"/> / ");
sb.append("<input type=\"text\" value=\""+pageSize+"\" onkeypress=\"var e=window.event||event;var c=e.keyCode||e.which;if(c==13)");
sb.append(funcName+"("+pageNo+",this.value,'"+funcParam+"');\" onclick=\"this.select();\"/> 条，");
sb.append("共 " + count + " 条"+(message!=null?message:"")+"</a></li>\n");
sb.insert(0,"<ul>\n").append("</ul>\n");
sb.append("<div style=\"clear:both;\"></div>");
// sb.insert(0,"<div class=\"page\">\n").append("</div>\n");
return sb.toString();
}
protected String getSelected(int pageNo, int selectedPageNo){
if(pageNo == selectedPageNo){
//return "selected";
return "active";
}else{
return "";
}
}
/**
* 获取分页HTML代码
* @return
*/
//@JsonIgnore
public String getHtml(){
return toStringPage();
}
// public static void main(String[] args) {
// Page<String> p = new Page<String>(3, 3);
// System.out.println(p);
// System.out.println("首页："+p.getFirst());
// System.out.println("尾页："+p.getLast());
// System.out.println("上页："+p.getPrev());
// System.out.println("下页："+p.getNext());
// }
/**
* 获取设置总数
* @return
*/
public long getCount() {
return count;
}
/**
* 设置数据总数
* @param count
*/
public void setCount(long count) {
this.count = count;
if (pageSize >= count){
pageNo = 1;
}
}
/**
* 获取当前页码
* @return
*/
public int getPageNo() {
return pageNo;
}
/**
* 设置当前页码
* @param pageNo
*/
public void setPageNo(int pageNo) {
this.pageNo = pageNo;
}
/**
* 获取页面大小
* @return
*/
public int getPageSize() {
return pageSize;
}
/**
* 设置页面大小（最大500）
* @param pageSize
*/
public void setPageSize(int pageSize) {
this.pageSize = pageSize <= 0 ? 10 : pageSize;// > 500 ? 500 : pageSize;
}
/**
* 首页索引
* @return
*/
@JsonIgnore
public int getFirst() {
return first;
}
/**
* 尾页索引
* @return
*/
@JsonIgnore
public int getLast() {
return last;
}
/**
* 获取页面总数
* @return getLast();
*/
@JsonIgnore
public int getTotalPage() {
return getLast();
}
/**
* 是否为第一页
* @return
*/
@JsonIgnore
public boolean isFirstPage() {
return firstPage;
}
/**
* 是否为最后一页
* @return
*/
@JsonIgnore
public boolean isLastPage() {
return lastPage;
}
/**
* 上一页索引值
* @return
*/
@JsonIgnore
public int getPrev() {
if (isFirstPage()) {
return pageNo;
} else {
return pageNo - 1;
}
}
/**
* 下一页索引值
* @return
*/
@JsonIgnore
public int getNext() {
if (isLastPage()) {
return pageNo;
} else {
return pageNo + 1;
}
}
/**
* 获取本页数据对象列表
* @return List<T>
*/
public List<T> getList() {
return list;
}
/**
* 设置本页数据对象列表
* @param list
*/
public Page<T> setList(List<T> list) {
this.list = list;
initialize();
return this;
}
/**
* 获取查询排序字符串
* @return
*/
@JsonIgnore
public String getOrderBy() {
// SQL过滤，防止注入
String reg = "(?:')|(?:--)|(/\\*(?:.|[\\n\\r])*?\\*/)|"
+ "(\\b(select|update|and|or|delete|insert|trancate|char|into|substr|ascii|declare|exec|count|master|into|drop|execute)\\b)";
Pattern sqlPattern = Pattern.compile(reg, Pattern.CASE_INSENSITIVE);
if (sqlPattern.matcher(orderBy).find()) {
return "";
}
return orderBy;
}
/**
* 设置查询排序，标准查询有效， 实例： updatedate desc, name asc
*/
public void setOrderBy(String orderBy) {
this.orderBy = orderBy;
}
/**
* 获取点击页码调用的js函数名称
* function ${page.funcName}(pageNo){location="${ctx}/list-${category.id}${urlSuffix}?pageNo="+i;}
* @return
*/
@JsonIgnore
public String getFuncName() {
return funcName;
}
/**
* 设置点击页码调用的js函数名称，默认为page，在一页有多个分页对象时使用。
* @param funcName 默认为page
*/
public void setFuncName(String funcName) {
this.funcName = funcName;
}
/**
* 获取分页函数的附加参数
* @return
*/
@JsonIgnore
public String getFuncParam() {
return funcParam;
}
/**
* 设置分页函数的附加参数
* @return
*/
public void setFuncParam(String funcParam) {
this.funcParam = funcParam;
}
/**
* 设置提示消息，显示在“共n条”之后
* @param message
*/
public void setMessage(String message) {
this.message = message;
}
/**
* 分页是否有效
* @return this.pageSize==-1
*/
@JsonIgnore
public boolean isDisabled() {
return this.pageSize==-1;
}
/**
* 是否进行总数统计
* @return this.count==-1
*/
@JsonIgnore
public boolean isNotCount() {
return this.count==-1;
}
/**
* 获取 Hibernate FirstResult
*/
public int getFirstResult(){
int firstResult = (getPageNo() - 1) * getPageSize();
if (firstResult >= getCount()) {
firstResult = 0;
}
return firstResult;
}
/**
* 获取 Hibernate MaxResults
*/
public int getMaxResults(){
return getPageSize();
}
// /**
// * 获取 Spring data JPA 分页对象
// */
// public Pageable getSpringPage(){
// List<Order> orders = new ArrayList<Order>();
// if (orderBy!=null){
// for (String order : StringUtils.split(orderBy, ",")){
// String[] o = StringUtils.split(order, " ");
// if (o.length==1){
// orders.add(new Order(Direction.ASC, o[0]));
// }else if (o.length==2){
// if ("DESC".equals(o[1].toUpperCase())){
// orders.add(new Order(Direction.DESC, o[0]));
// }else{
// orders.add(new Order(Direction.ASC, o[0]));
// }
// }
// }
// }
// return new PageRequest(this.pageNo - 1, this.pageSize, new Sort(orders));
// }
//
// /**
// * 设置 Spring data JPA 分页对象，转换为本系统分页对象
// */
// public void setSpringPage(org.springframework.data.domain.Page<T> page){
// this.pageNo = page.getNumber();
// this.pageSize = page.getSize();
// this.count = page.getTotalElements();
// this.list = page.getContent();
// }
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/TreeDao.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence;
import java.util.List;
/**
* DAO支持类实现
* @author 黄炳桂 516821420@qq.com
* @version 2014-05-16
* @param <T>
*/
public interface TreeDao<T extends TreeEntity<T>> extends InterfaceBaseDao<T> {
/**
* 找到所有子节点
* @param entity
* @return
*/
List<T> findByParentIdsLike(T entity);
/**
* 更新所有父节点字段
* @param entity
* @return
*/
int updateParentIds(T entity);
}
\ No newline at end of file
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/TreeEntity.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence;
import javax.validation.constraints.NotNull;
import org.hibernate.validator.constraints.Length;
import com.fasterxml.jackson.annotation.JsonBackReference;
import com.jeespring.common.utils.Reflections;
import com.jeespring.common.utils.StringUtils;
/**
* 数据Entity类
* * * * @author 黄炳桂 516821420@qq.com
* @version 2014-05-16
*/
public abstract class TreeEntity<T> extends AbstractBaseEntity<T> {
private static final long serialVersionUID = 1L;
protected T parent; // 父级编号
protected String parentIds; // 所有父级编号
protected String name; // 机构名称
protected Integer sort; // 排序
public TreeEntity() {
super();
this.sort = 30;
}
public TreeEntity(String id) {
super(id);
}
/**
* 父对象，只能通过子类实现，父类实现mybatis无法读取
* @return
*/
@JsonBackReference
@NotNull
public abstract T getParent();
/**
* 父对象，只能通过子类实现，父类实现mybatis无法读取
* @return
*/
public abstract void setParent(T parent);
@Length(min=1, max=2000)
public String getParentIds() {
return parentIds;
}
public void setParentIds(String parentIds) {
this.parentIds = parentIds;
}
@Length(min=1, max=100)
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getSort() {
return sort;
}
public void setSort(Integer sort) {
this.sort = sort;
}
public String getParentId() {
String id = null;
if (parent != null){
id = (String) Reflections.getFieldValue(parent, "id");
}
return StringUtils.isNotBlank(id) ? id : "0";
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/annotation/MyBatisDao.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">JeeSpring</a> All rights reserved.
*/
package com.jeespring.common.persistence.annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import org.springframework.stereotype.Component;
/**
* 标识MyBatis的DAO,方便{@link org.mybatis.spring.mapper.MapperScannerConfigurer}的扫描。
* @author 黄炳桂 516821420@qq.com
* @version 2013-8-28
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
@Documented
@Component
public @interface MyBatisDao {
/**
* The value may indicate a suggestion for a logical component name,
* to be turned into a Spring bean in case of an autodetected component.
* @return the suggested component name, if any
*/
String value() default "";
}
\ No newline at end of file
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/DB2Dialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* DB2的分页数据库方言实现
*
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class DB2Dialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
private static String getRowNumber(String sql) {
StringBuilder rownumber = new StringBuilder(50)
.append("rownumber() over(");
int orderByIndex = sql.toLowerCase().indexOf("order by");
if (orderByIndex > 0 && !hasDistinct(sql)) {
rownumber.append(sql.substring(orderByIndex));
}
rownumber.append(") as rownumber_,");
return rownumber.toString();
}
private static boolean hasDistinct(String sql) {
return sql.toLowerCase().contains("select distinct");
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset), Integer.toString(limit));
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset, String offsetPlaceholder, String limitPlaceholder) {
int startOfSelect = sql.toLowerCase().indexOf("select");
StringBuilder pagingSelect = new StringBuilder(sql.length() + 100)
.append(sql.substring(0, startOfSelect)) //add the comment
.append("select * from ( select ") //nest the main query in an outer select
.append(getRowNumber(sql)); //add the rownnumber bit into the outer query select list
if (hasDistinct(sql)) {
pagingSelect.append(" row_.* from ( ") //add another (inner) nested select
.append(sql.substring(startOfSelect)) //add the main query
.append(" ) as row_"); //close off the inner nested select
} else {
pagingSelect.append(sql.substring(startOfSelect + 6)); //add the main query
}
pagingSelect.append(" ) as temp_ where rownumber_ ");
//add the restriction to the outer select
if (offset > 0) {
// int end = offset + limit;
String endString = offsetPlaceholder + "+" + limitPlaceholder;
pagingSelect.append("between ").append(offsetPlaceholder)
.append("+1 and ").append(endString);
} else {
pagingSelect.append("<= ").append(limitPlaceholder);
}
return pagingSelect.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/DerbyDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class DerbyDialect implements Dialect {
@Override
public boolean supportsLimit() {
return false;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
// return getLimitString(sql,offset,Integer.toString(offset),limit,Integer.toString(limit));
throw new UnsupportedOperationException("paged queries not supported");
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limit 分页每页显示纪录条数
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset,String offsetPlaceholder, int limit, String limitPlaceholder) {
throw new UnsupportedOperationException( "paged queries not supported" );
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/Dialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
/**
* 类似hibernate的Dialect,但只精简出分页部分
*
* @author poplar.yfyang
* @version 1.0 2011-11-18 下午12:31
* @since JDK 1.5
*/
public interface Dialect {
/**
* 数据库本身是否支持分页当前的分页查询方式
* 如果数据库不支持的话，则不进行数据库分页
*
* @return true：支持当前的分页查询方式
*/
boolean supportsLimit();
/**
* 将sql转换为分页SQL，分别调用分页sql
*
* @param sql SQL语句
* @param offset 开始条数
* @param limit 每页显示多少纪录条数
* @return 分页查询的sql
*/
String getLimitString(String sql, int offset, int limit);
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/H2Dialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* A dialect compatible with the H2 database.
*
* @author JeeSpring
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class H2Dialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limit 分页每页显示纪录条数
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
private String getLimitString(String sql, int offset, String offsetPlaceholder, int limit, String limitPlaceholder) {
return sql + ((offset > 0) ? " limit " + limitPlaceholder + " offset "
+ offsetPlaceholder : " limit " + limitPlaceholder);
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset), limit, Integer.toString(limit));
}
}
\ No newline at end of file
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/HSQLDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* Dialect for HSQLDB
*
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class HSQLDialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset),
Integer.toString(limit));
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset, String offsetPlaceholder, String limitPlaceholder) {
boolean hasOffset = offset > 0;
return
new StringBuffer(sql.length() + 10)
.append(sql)
.insert(sql.toLowerCase().indexOf("select") + 6, hasOffset ? " limit " + offsetPlaceholder + " " + limitPlaceholder : " top " + limitPlaceholder)
.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/MySQLDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* Mysql方言的实现
*
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class MySQLDialect implements Dialect {
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset),
Integer.toString(limit));
}
@Override
public boolean supportsLimit() {
return true;
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset, String offsetPlaceholder, String limitPlaceholder) {
StringBuilder stringBuilder = new StringBuilder(sql);
stringBuilder.append(" limit ");
if (offset > 0) {
stringBuilder.append(offsetPlaceholder).append(",").append(limitPlaceholder);
} else {
stringBuilder.append(limitPlaceholder);
}
return stringBuilder.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/OracleDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
/**
* Oracle的方言实现
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class OracleDialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset), Integer.toString(limit));
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset, String offsetPlaceholder, String limitPlaceholder) {
sql = sql.trim();
boolean isForUpdate = false;
if (sql.toLowerCase().endsWith(" for update")) {
sql = sql.substring(0, sql.length() - 11);
isForUpdate = true;
}
StringBuilder pagingSelect = new StringBuilder(sql.length() + 100);
if (offset > 0) {
pagingSelect.append("select * from ( select row_.*, rownum rownum_ from ( ");
} else {
pagingSelect.append("select * from ( ");
}
pagingSelect.append(sql);
if (offset > 0) {
String endString = offsetPlaceholder + "+" + limitPlaceholder;
pagingSelect.append(" ) row_ where rownum <= "+endString+") where rownum_ > ").append(offsetPlaceholder);
} else {
pagingSelect.append(" ) where rownum <= "+limitPlaceholder);
}
if (isForUpdate) {
pagingSelect.append(" for update");
}
return pagingSelect.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/PostgreSQLDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* Postgre Sql的方言实现
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class PostgreSQLDialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset, Integer.toString(offset),
Integer.toString(limit));
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset,
String offsetPlaceholder, String limitPlaceholder) {
StringBuilder pageSql = new StringBuilder().append(sql);
pageSql = offset <= 0
? pageSql.append(" limit ").append(limitPlaceholder) :
pageSql.append(" limit ").append(limitPlaceholder).append(" offset ").append(offsetPlaceholder);
return pageSql.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/SQLServer2005Dialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import org.apache.commons.lang3.StringUtils;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* Sql 2005的方言实现
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class SQLServer2005Dialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimitString(sql, offset,
limit, Integer.toString(limit));
}
/**
* Add a LIMIT clause to the given SQL SELECT
* <p/>
* The LIMIT SQL will look like:
* <p/>
* WITH query AS
* (SELECT TOP 100 percent ROW_NUMBER() OVER (ORDER BY CURRENT_TIMESTAMP) as __row_number__, * from table_name)
* SELECT *
* FROM query
* WHERE __row_number__ BETWEEN :offset and :lastRows
* ORDER BY __row_number__
*
* @param querySqlString The SQL statement to base the limit query off of.
* @param offset Offset of the first row to be returned by the query (zero-based)
* @param limit Maximum number of rows to be returned by the query
* @param limitPlaceholder limitPlaceholder
* @return A new SQL statement with the LIMIT clause applied.
*/
private String getLimitString(String querySqlString, int offset, int limit, String limitPlaceholder) {
StringBuilder pagingBuilder = new StringBuilder();
String orderby = getOrderByPart(querySqlString);
String distinctStr = "";
String loweredString = querySqlString.toLowerCase();
String sqlPartString = querySqlString;
if (loweredString.trim().startsWith("select")) {
int index = 6;
if (loweredString.startsWith("select distinct")) {
distinctStr = "DISTINCT ";
index = 15;
}
sqlPartString = sqlPartString.substring(index);
}
pagingBuilder.append(sqlPartString);
// if no ORDER BY is specified use fake ORDER BY field to avoid errors
if (StringUtils.isEmpty(orderby)) {
orderby = "ORDER BY CURRENT_TIMESTAMP";
}
StringBuilder result = new StringBuilder();
result.append("WITH query AS (SELECT ")
.append(distinctStr)
.append("TOP 100 PERCENT ")
.append(" ROW_NUMBER() OVER (")
.append(orderby)
.append(") as __row_number__, ")
.append(pagingBuilder)
.append(") SELECT * FROM query WHERE __row_number__ BETWEEN ")
.append(offset + 1).append(" AND ").append(offset + limit)
.append(" ORDER BY __row_number__");
return result.toString();
}
static String getOrderByPart(String sql) {
String loweredString = sql.toLowerCase();
int orderByIndex = loweredString.indexOf("order by");
if (orderByIndex != -1) {
// if we find a new "order by" then we need to ignore
// the previous one since it was probably used for a subquery
return sql.substring(orderByIndex);
} else {
return "";
}
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/SQLServerDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* MSSQLServer 数据库实现分页方言
*
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class SQLServerDialect implements Dialect {
@Override
public boolean supportsLimit() {
return true;
}
static int getAfterSelectInsertPoint(String sql) {
int selectIndex = sql.toLowerCase().indexOf("select");
final int selectDistinctIndex = sql.toLowerCase().indexOf("select distinct");
return selectIndex + (selectDistinctIndex == selectIndex ? 15 : 6);
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return getLimit(sql, offset, limit);
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param limit 分页每页显示纪录条数
* @return 包含占位符的分页sql
*/
public String getLimit(String sql, int offset, int limit) {
if (offset > 0) {
throw new UnsupportedOperationException("sql server has no offset");
}
return new StringBuffer(sql.length() + 8)
.append(sql)
.insert(getAfterSelectInsertPoint(sql), " top " + limit)
.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/dialect/SybaseDialect.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.dialect;
import com.jeespring.common.persistence.dialect.Dialect;
/**
* Sybase数据库分页方言实现。
* 还未实现
*
* @author poplar.yfyang
* @version 1.0 2010-10-10 下午12:31
* @since JDK 1.5
*/
public class SybaseDialect implements Dialect {
@Override
public boolean supportsLimit() {
return false;
}
@Override
public String getLimitString(String sql, int offset, int limit) {
return null;
}
/**
* 将sql变成分页sql语句,提供将offset及limit使用占位符号(placeholder)替换.
* <pre>
* 如mysql
* dialect.getLimitString("select * from user", 12, ":offset",0,":limit") 将返回
* select * from user limit :offset,:limit
* </pre>
*
* @param sql 实际SQL语句
* @param offset 分页开始纪录条数
* @param offsetPlaceholder 分页开始纪录条数－占位符号
* @param limit 分页每页显示纪录条数
* @param limitPlaceholder 分页纪录条数占位符号
* @return 包含占位符的分页sql
*/
public String getLimitString(String sql, int offset, String offsetPlaceholder, int limit, String limitPlaceholder) {
throw new UnsupportedOperationException("paged queries not supported");
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/interceptor/BaseInterceptor.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.interceptor;
import com.jeespring.common.config.Global;
import com.jeespring.common.persistence.Page;
import com.jeespring.common.persistence.dialect.*;
import com.jeespring.common.utils.Reflections;
import org.apache.ibatis.logging.Log;
import org.apache.ibatis.logging.LogFactory;
import org.apache.ibatis.plugin.Interceptor;
import java.io.Serializable;
import java.util.Properties;
/**
* Mybatis分页拦截器基类
*
* @author poplar.yfyang / HuangBingGui
* @version 2013-8-28
*/
public abstract class BaseInterceptor implements Interceptor, Serializable {
private static final long serialVersionUID = 1L;
protected static final String PAGE = "page";
protected static final String DELEGATE = "delegate";
protected static final String MAPPED_STATEMENT = "mappedStatement";
protected Log log = LogFactory.getLog(this.getClass());
protected Dialect DIALECT;
/**
* 对参数进行转换和检查
*
* @param parameterObject 参数对象
* @param page 分页对象
* @return 分页对象
* @throws NoSuchFieldException 无法找到参数
*/
@SuppressWarnings("unchecked")
protected static Page<Object> convertParameter(Object parameterObject, Page<Object> page) {
try {
if (parameterObject instanceof Page) {
return (Page<Object>) parameterObject;
} else {
return (Page<Object>) Reflections.getFieldValue(parameterObject, PAGE);
}
} catch (Exception e) {
return null;
}
}
/**
* 设置属性，支持自定义方言类和制定数据库的方式
* <code>dialectClass</code>,自定义方言类。可以不配置这项
* <ode>dbms</ode> 数据库类型，插件支持的数据库
* <code>sqlPattern</code> 需要拦截的SQL ID
*
* @param p 属性
*/
protected void initProperties(Properties p) {
Dialect dialect = null;
String dbType = Global.getJdbcType();
if ("db2".equals(dbType)) {
dialect = new DB2Dialect();
} else if ("derby".equals(dbType)) {
dialect = new DerbyDialect();
} else if ("h2".equals(dbType)) {
dialect = new H2Dialect();
} else if ("hsql".equals(dbType)) {
dialect = new HSQLDialect();
} else if ("mysql".equals(dbType)) {
dialect = new MySQLDialect();
} else if ("oracle".equals(dbType)) {
dialect = new OracleDialect();
} else if ("postgre".equals(dbType)) {
dialect = new PostgreSQLDialect();
} else if ("mssql".equals(dbType) || "sqlserver".equals(dbType)) {
dialect = new SQLServer2005Dialect();
} else if ("sybase".equals(dbType)) {
dialect = new SybaseDialect();
}
if (dialect == null) {
log.error("user the mysql dialect");
dialect = new MySQLDialect();
}
DIALECT = dialect;
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/interceptor/PaginationInterceptor.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.interceptor;
import java.util.Properties;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlSource;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Plugin;
import org.apache.ibatis.plugin.Signature;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import com.jeespring.common.persistence.Page;
import com.jeespring.common.utils.Reflections;
import com.jeespring.common.utils.StringUtils;
/**
* 数据库分页插件，只拦截查询语句.
* @author poplar.yfyang / HuangBingGui
* @version 2013-8-28
*/
@Intercepts({@Signature(type = Executor.class, method = "query",
args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class})})
public class PaginationInterceptor extends BaseInterceptor {
private static final long serialVersionUID = 1L;
@Override
public Object intercept(Invocation invocation) throws Throwable {
final MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
// //拦截需要分页的SQL
//// if (mappedStatement.getId().matches(_SQL_PATTERN)) {
// if (StringUtils.indexOfIgnoreCase(mappedStatement.getId(), _SQL_PATTERN) != -1) {
Object parameter = invocation.getArgs()[1];
BoundSql boundSql = mappedStatement.getBoundSql(parameter);
Object parameterObject = boundSql.getParameterObject();
//获取分页参数对象
Page<Object> page = null;
if (parameterObject != null) {
page = convertParameter(parameterObject, page);
}
//如果设置了分页对象，则进行分页
if (page != null && page.getPageSize() != -1) {
if (StringUtils.isBlank(boundSql.getSql())){
return null;
}
String originalSql = boundSql.getSql().trim();
//得到总记录数
page.setCount(SQLHelper.getCount(originalSql, null, mappedStatement, parameterObject, boundSql, log));
//分页查询 本地化对象 修改数据库注意修改实现
String pageSql = SQLHelper.generatePageSql(originalSql, page, DIALECT);
// if (log.isDebugEnabled()) {
// log.debug("PAGE SQL:" + StringUtils.replace(pageSql, "\n", ""));
// }
invocation.getArgs()[2] = new RowBounds(RowBounds.NO_ROW_OFFSET, RowBounds.NO_ROW_LIMIT);
BoundSql newBoundSql = new BoundSql(mappedStatement.getConfiguration(), pageSql, boundSql.getParameterMappings(), boundSql.getParameterObject());
//解决MyBatis 分页foreach 参数失效 start
if (Reflections.getFieldValue(boundSql, "metaParameters") != null) {
MetaObject mo = (MetaObject) Reflections.getFieldValue(boundSql, "metaParameters");
Reflections.setFieldValue(newBoundSql, "metaParameters", mo);
}
//解决MyBatis 分页foreach 参数失效 end
MappedStatement newMs = copyFromMappedStatement(mappedStatement, new BoundSqlSqlSource(newBoundSql));
invocation.getArgs()[0] = newMs;
}
// }
return invocation.proceed();
}
@Override
public Object plugin(Object target) {
return Plugin.wrap(target, this);
}
@Override
public void setProperties(Properties properties) {
super.initProperties(properties);
}
private MappedStatement copyFromMappedStatement(MappedStatement ms,
SqlSource newSqlSource) {
MappedStatement.Builder builder = new MappedStatement.Builder(ms.getConfiguration(),
ms.getId(), newSqlSource, ms.getSqlCommandType());
builder.resource(ms.getResource());
builder.fetchSize(ms.getFetchSize());
builder.statementType(ms.getStatementType());
builder.keyGenerator(ms.getKeyGenerator());
if (ms.getKeyProperties() != null) {
for (String keyProperty : ms.getKeyProperties()) {
builder.keyProperty(keyProperty);
}
}
builder.timeout(ms.getTimeout());
builder.parameterMap(ms.getParameterMap());
builder.resultMaps(ms.getResultMaps());
builder.cache(ms.getCache());
builder.useCache(ms.isUseCache());
return builder.build();
}
public static class BoundSqlSqlSource implements SqlSource {
BoundSql boundSql;
public BoundSqlSqlSource(BoundSql boundSql) {
this.boundSql = boundSql;
}
@Override
public BoundSql getBoundSql(Object parameterObject) {
return boundSql;
}
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/interceptor/PreparePaginationInterceptor.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.interceptor;
import java.sql.Connection;
import java.util.Properties;
import org.apache.ibatis.executor.statement.BaseStatementHandler;
import org.apache.ibatis.executor.statement.RoutingStatementHandler;
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.plugin.Intercepts;
import org.apache.ibatis.plugin.Invocation;
import org.apache.ibatis.plugin.Plugin;
import org.apache.ibatis.plugin.Signature;
import com.jeespring.common.persistence.Page;
import com.jeespring.common.utils.Reflections;
/**
* Mybatis数据库分页插件，拦截StatementHandler的prepare方法
* @author poplar.yfyang / HuangBingGui
* @version 2013-8-28
*/
@Intercepts({
@Signature(type = StatementHandler.class, method = "prepare", args = {Connection.class})
})
public class PreparePaginationInterceptor extends BaseInterceptor {
private static final long serialVersionUID = 1L;
public PreparePaginationInterceptor() {
super();
}
@Override
public Object intercept(Invocation ivk) throws Throwable {
if (ivk.getTarget().getClass().isAssignableFrom(RoutingStatementHandler.class)) {
final RoutingStatementHandler statementHandler = (RoutingStatementHandler) ivk.getTarget();
final BaseStatementHandler delegate = (BaseStatementHandler) Reflections.getFieldValue(statementHandler, DELEGATE);
final MappedStatement mappedStatement = (MappedStatement) Reflections.getFieldValue(delegate, MAPPED_STATEMENT);
// //拦截需要分页的SQL
//// if (mappedStatement.getId().matches(_SQL_PATTERN)) {
// if (StringUtils.indexOfIgnoreCase(mappedStatement.getId(), _SQL_PATTERN) != -1) {
BoundSql boundSql = delegate.getBoundSql();
//分页SQL<select>中parameterType属性对应的实体参数，即Mapper接口中执行分页方法的参数,该参数不得为空
Object parameterObject = boundSql.getParameterObject();
if (parameterObject == null) {
log.error("参数未实例化");
throw new NullPointerException("parameterObject尚未实例化！");
} else {
final Connection connection = (Connection) ivk.getArgs()[0];
final String sql = boundSql.getSql();
//记录统计
final int count = SQLHelper.getCount(sql, connection, mappedStatement, parameterObject, boundSql, log);
Page<Object> page = null;
page = convertParameter(parameterObject, page);
page.setCount(count);
String pagingSql = SQLHelper.generatePageSql(sql, page, DIALECT);
if (log.isDebugEnabled()) {
log.debug("PAGE SQL:" + pagingSql);
}
//将分页sql语句反射回BoundSql.
Reflections.setFieldValue(boundSql, "sql", pagingSql);
}
if (boundSql.getSql() == null || "".equals(boundSql.getSql())){
return null;
}
}
// }
return ivk.proceed();
}
@Override
public Object plugin(Object o) {
return Plugin.wrap(o, this);
}
@Override
public void setProperties(Properties properties) {
initProperties(properties);
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/interceptor/SQLHelper.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.interceptor;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.ibatis.executor.ErrorContext;
import org.apache.ibatis.executor.ExecutorException;
import org.apache.ibatis.logging.Log;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.mapping.ParameterMode;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.property.PropertyTokenizer;
import org.apache.ibatis.scripting.xmltags.ForEachSqlNode;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.type.TypeHandler;
import org.apache.ibatis.type.TypeHandlerRegistry;
import com.jeespring.common.config.Global;
import com.jeespring.common.persistence.Page;
import com.jeespring.common.persistence.dialect.Dialect;
import com.jeespring.common.utils.Reflections;
import com.jeespring.common.utils.StringUtils;
/**
* SQL工具类
*
* @author poplar.yfyang / HuangBingGui
* @version 2013-8-28
*/
public class SQLHelper {
/**
* 对SQL参数(?)设值,参考org.apache.ibatis.executor.parameter.DefaultParameterHandler
*
* @param ps 表示预编译的 SQL 语句的对象。
* @param mappedStatement MappedStatement
* @param boundSql SQL
* @param parameterObject 参数对象
* @throws SQLException 数据库异常
*/
@SuppressWarnings("unchecked")
public static void setParameters(PreparedStatement ps, MappedStatement mappedStatement, BoundSql boundSql, Object parameterObject) throws SQLException {
ErrorContext.instance().activity("setting parameters").object(mappedStatement.getParameterMap().getId());
List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
if (parameterMappings != null) {
Configuration configuration = mappedStatement.getConfiguration();
TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
MetaObject metaObject = parameterObject == null ? null :
configuration.newMetaObject(parameterObject);
for (int i = 0; i < parameterMappings.size(); i++) {
ParameterMapping parameterMapping = parameterMappings.get(i);
if (parameterMapping.getMode() != ParameterMode.OUT) {
Object value;
String propertyName = parameterMapping.getProperty();
PropertyTokenizer prop = new PropertyTokenizer(propertyName);
if (parameterObject == null) {
value = null;
} else if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
value = parameterObject;
} else if (boundSql.hasAdditionalParameter(propertyName)) {
value = boundSql.getAdditionalParameter(propertyName);
} else if (propertyName.startsWith(ForEachSqlNode.ITEM_PREFIX) && boundSql.hasAdditionalParameter(prop.getName())) {
value = boundSql.getAdditionalParameter(prop.getName());
if (value != null) {
value = configuration.newMetaObject(value).getValue(propertyName.substring(prop.getName().length()));
}
} else {
value = metaObject == null ? null : metaObject.getValue(propertyName);
}
@SuppressWarnings("rawtypes")
TypeHandler typeHandler = parameterMapping.getTypeHandler();
if (typeHandler == null) {
throw new ExecutorException("There was no TypeHandler found for parameter " + propertyName + " of statement " + mappedStatement.getId());
}
typeHandler.setParameter(ps, i + 1, value, parameterMapping.getJdbcType());
}
}
}
}
/**
* 查询总纪录数
*
* @param sql SQL语句
* @param connection 数据库连接
* @param mappedStatement mapped
* @param parameterObject 参数
* @param boundSql boundSql
* @return 总记录数
* @throws SQLException sql查询错误
*/
public static int getCount(final String sql, final Connection connection,
final MappedStatement mappedStatement, final Object parameterObject,
final BoundSql boundSql, Log log) throws SQLException {
String dbName = Global.getJdbcType();
final String countSql;
if ("oracle".equals(dbName)) {
countSql = "select count(1) from (" + sql + ") tmp_count";
} else {
countSql = "select count(1) from (" + removeOrders(sql) + ") tmp_count";
}
Connection conn = connection;
PreparedStatement ps = null;
ResultSet rs = null;
try {
if (log.isDebugEnabled()) {
log.debug("COUNT SQL: " + StringUtils.replaceEach(countSql, new String[]{"\n", "\t"}, new String[]{" ", " "}));
}
if (conn == null) {
conn = mappedStatement.getConfiguration().getEnvironment().getDataSource().getConnection();
}
ps = conn.prepareStatement(countSql);
BoundSql countBS = new BoundSql(mappedStatement.getConfiguration(), countSql,
boundSql.getParameterMappings(), parameterObject);
//解决MyBatis 分页foreach 参数失效 start
if (Reflections.getFieldValue(boundSql, "metaParameters") != null) {
MetaObject mo = (MetaObject) Reflections.getFieldValue(boundSql, "metaParameters");
Reflections.setFieldValue(countBS, "metaParameters", mo);
}
//解决MyBatis 分页foreach 参数失效 end
SQLHelper.setParameters(ps, mappedStatement, countBS, parameterObject);
rs = ps.executeQuery();
int count = 0;
if (rs.next()) {
count = rs.getInt(1);
}
return count;
} finally {
if (rs != null) {
rs.close();
}
if (ps != null) {
ps.close();
}
if (conn != null) {
conn.close();
}
}
}
/**
* 根据数据库方言，生成特定的分页sql
*
* @param sql Mapper中的Sql语句
* @param page 分页对象
* @param dialect 方言类型
* @return 分页SQL
*/
public static String generatePageSql(String sql, Page<Object> page, Dialect dialect) {
if (dialect.supportsLimit()) {
return dialect.getLimitString(sql, page.getFirstResult(), page.getMaxResults());
} else {
return sql;
}
}
/**
* 去除qlString的select子句。
*
* @param qlString
* @return
*/
@SuppressWarnings("unused")
private static String removeSelect(String qlString) {
int beginPos = qlString.toLowerCase().indexOf("from");
return qlString.substring(beginPos);
}
/**
* 去除hql的orderBy子句。
*
* @param qlString
* @return
*/
private static String removeOrders(String qlString) {
Pattern p = Pattern.compile("order\\s*by[\\w|\\W|\\s|\\S]*", Pattern.CASE_INSENSITIVE);
Matcher m = p.matcher(qlString);
StringBuffer sb = new StringBuffer();
while (m.find()) {
m.appendReplacement(sb, "");
}
m.appendTail(sb);
return sb.toString();
}
}
JeeSpringCloud/src/main/java/com/jeespring/common/persistence/proxy/PageConfiguration.java 0 → 100644
View file @ d5ba54ba
/**
* Copyright &copy; 2012-2016 <a href="https://github.com/HuangBingGui/jeespring">jeespring</a> All rights reserved.
*/
package com.jeespring.common.persistence.proxy;
import org.apache.ibatis.binding.MapperRegistry;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.SqlSession;
/**
* <p>
* 自定义Mybatis的配置，扩展.
* </p>
*
* @author poplar.yfyang
* @version 1.0 2012-05-13 上午10:06
* @since JDK 1.5
*/
public class PageConfiguration extends Configuration {
protected MapperRegistry mapperRegistry = new PaginationMapperRegistry(this);
@Override
public <T> void addMapper(Class<T> type) {
mapperRegistry.addMapper(type);
}
@Override
public <T> T getMapper(Class<T> type, SqlSession sqlSession) {
return mapperRegistry.getMapper(type, sqlSession);
}
@Override
public boolean hasMapper(Class<?> type) {
return mapperRegistry.hasMapper(type);
}
}
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