新增代码生成打包下载功能

eladmin-common/pom.xml

@@ -9,7 +9,7 @@
     </parent>
     <modelVersion>4.0.0</modelVersion>
     <properties>
-        <hutool.version>[4.1.12,)</hutool.version>
+        <hutool.version>5.0.6</hutool.version>
     </properties>
 
     <artifactId>eladmin-common</artifactId>

eladmin-common/src/main/java/me/zhengjie/utils/FileUtil.java

@@ -6,9 +6,11 @@ import cn.hutool.core.util.IdUtil;
 import cn.hutool.poi.excel.BigExcelWriter;
 import cn.hutool.poi.excel.ExcelUtil;
 import me.zhengjie.exception.BadRequestException;
+import org.apache.poi.util.IOUtils;
 import org.springframework.web.multipart.MultipartFile;
 import javax.activation.MimetypesFileTypeMap;
 import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import java.io.*;
 import java.security.MessageDigest;
@@ -273,6 +275,37 @@ public class FileUtil extends cn.hutool.core.io.FileUtil {
         return null;
     }
 
+    /**
+     * 下载文件
+     * @param request /
+     * @param response /
+     * @param file /
+     */
+    public static void downloadFile(HttpServletRequest request, HttpServletResponse response, File file, boolean deleteOnExit){
+        response.setCharacterEncoding(request.getCharacterEncoding());
+        response.setContentType("application/octet-stream");
+        FileInputStream fis = null;
+        try {
+            fis = new FileInputStream(file);
+            response.setHeader("Content-Disposition", "attachment; filename="+file.getName());
+            IOUtils.copy(fis,response.getOutputStream());
+            response.flushBuffer();
+        } catch (Exception e) {
+            e.printStackTrace();
+        } finally {
+            if (fis != null) {
+                try {
+                    fis.close();
+                    if(deleteOnExit){
+                        file.deleteOnExit();
+                    }
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+
     public static String getMd5(File file) {
         return getMd5(getByte(file));
     }

eladmin-generator/src/main/java/me/zhengjie/rest/GeneratorController.java

@@ -11,6 +11,8 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.util.List;
 
 /**
@@ -67,9 +69,9 @@ public class GeneratorController {
 
     @ApiOperation("生成代码")
     @PostMapping(value = "/{tableName}/{type}")
-    public ResponseEntity generator(@PathVariable String tableName, @PathVariable Integer type){
-        if(!generatorEnabled){
-            throw new BadRequestException("此环境不允许生成代码！");
+    public ResponseEntity generator(@PathVariable String tableName, @PathVariable Integer type, HttpServletRequest request, HttpServletResponse response){
+        if(!generatorEnabled && type == 0){
+            throw new BadRequestException("此环境不允许生成代码，请选择预览或者下载查看！");
         }
         switch (type){
             // 生成代码
@@ -77,7 +79,10 @@ public class GeneratorController {
                     break;
             // 预览
             case 1: return generatorService.preview(genConfigService.find(tableName), generatorService.getColumns(tableName));
-            default: break;
+            // 打包
+            case 2: generatorService.download(genConfigService.find(tableName), generatorService.getColumns(tableName), request, response);
+                    break;
+            default: throw new BadRequestException("没有这个选项");
         }
         return new ResponseEntity(HttpStatus.OK);
     }

eladmin-generator/src/main/java/me/zhengjie/service/GeneratorService.java

@@ -4,7 +4,8 @@ import me.zhengjie.domain.GenConfig;
 import me.zhengjie.domain.ColumnInfo;
 import org.springframework.http.ResponseEntity;
 import org.springframework.scheduling.annotation.Async;
-
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 import java.util.List;
 
 /**
@@ -61,4 +62,13 @@ public interface GeneratorService {
      * @return /
      */
     ResponseEntity preview(GenConfig genConfig, List<ColumnInfo> columns);
+
+    /**
+     * 打包下载
+     * @param genConfig 配置信息
+     * @param columns 字段信息
+     * @param request
+     * @param response
+     */
+    void download(GenConfig genConfig, List<ColumnInfo> columns, HttpServletRequest request, HttpServletResponse response);
 }

eladmin-generator/src/main/java/me/zhengjie/service/impl/GeneratorServiceImpl.java

@@ -2,12 +2,14 @@ package me.zhengjie.service.impl;
 
 import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.ObjectUtil;
+import cn.hutool.core.util.ZipUtil;
 import me.zhengjie.domain.GenConfig;
 import me.zhengjie.domain.ColumnInfo;
 import me.zhengjie.domain.vo.TableInfo;
 import me.zhengjie.exception.BadRequestException;
 import me.zhengjie.repository.ColumnInfoRepository;
 import me.zhengjie.service.GeneratorService;
+import me.zhengjie.utils.FileUtil;
 import me.zhengjie.utils.GenUtil;
 import me.zhengjie.utils.PageUtil;
 import me.zhengjie.utils.StringUtils;
@@ -17,6 +19,9 @@ import org.springframework.stereotype.Service;
 import javax.persistence.EntityManager;
 import javax.persistence.PersistenceContext;
 import javax.persistence.Query;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
@@ -136,4 +141,19 @@ public class GeneratorServiceImpl implements GeneratorService {
         List<Map<String,Object>> genList =  GenUtil.preview(columns, genConfig);
         return new ResponseEntity<>(genList, HttpStatus.OK);
     }
+
+    @Override
+    public void download(GenConfig genConfig, List<ColumnInfo> columns, HttpServletRequest request, HttpServletResponse response) {
+        if(genConfig.getId() == null){
+            throw new BadRequestException("请先配置生成器");
+        }
+        try {
+            File file = new File(GenUtil.download(columns, genConfig));
+            String zipPath = file.getPath()  + ".zip";
+            ZipUtil.zip(file.getPath(), zipPath);
+            FileUtil.downloadFile(request, response, new File(zipPath), true);
+        } catch (IOException e) {
+            throw new BadRequestException("打包失败");
+        }
+    }
 }

eladmin-generator/src/main/java/me/zhengjie/utils/GenUtil.java

@@ -84,6 +84,44 @@ public class GenUtil {
         return genList;
     }
 
+    public static String download(List<ColumnInfo> columns, GenConfig genConfig) throws IOException {
+        String tempPath =System.getProperty("java.io.tmpdir") + "eladmin-gen-temp" + File.separator + genConfig.getTableName() + File.separator;
+        Map<String,Object> genMap = getGenMap(columns, genConfig);
+        TemplateEngine engine = TemplateUtil.createEngine(new TemplateConfig("template", TemplateConfig.ResourceMode.CLASSPATH));
+        // 生成后端代码
+        List<String> templates = getAdminTemplateNames();
+        for (String templateName : templates) {
+            Template template = engine.getTemplate("generator/admin/"+templateName+".ftl");
+            String filePath = getAdminFilePath(templateName,genConfig,genMap.get("className").toString(),tempPath + "eladmin" + File.separator);
+            assert filePath != null;
+            File file = new File(filePath);
+            // 如果非覆盖生成
+            if(!genConfig.getCover() && FileUtil.exist(file)){
+                continue;
+            }
+            // 生成代码
+            genFile(file, template, genMap);
+        }
+        // 生成前端代码
+        templates = getFrontTemplateNames();
+        for (String templateName : templates) {
+            Template template = engine.getTemplate("generator/front/"+templateName+".ftl");
+            String path = tempPath + "eladmin-web"  + File.separator;
+            String apiPath = path + "src" + File.separator + "api" + File.separator;
+            String srcPath = path + "src" + File.separator + "views" + File.separator + genMap.get("changeClassName").toString() + File.separator;
+            String filePath = getFrontFilePath(templateName, apiPath, srcPath, genMap.get("changeClassName").toString());
+            assert filePath != null;
+            File file = new File(filePath);
+            // 如果非覆盖生成
+            if(!genConfig.getCover() && FileUtil.exist(file)){
+                continue;
+            }
+            // 生成代码
+            genFile(file, template, genMap);
+        }
+        return tempPath;
+    }
+
     public static void generatorCode(List<ColumnInfo> columnInfos, GenConfig genConfig) throws IOException {
         Map<String,Object> genMap = getGenMap(columnInfos, genConfig);
         TemplateEngine engine = TemplateUtil.createEngine(new TemplateConfig("template", TemplateConfig.ResourceMode.CLASSPATH));
@@ -91,7 +129,7 @@ public class GenUtil {
         List<String> templates = getAdminTemplateNames();
         for (String templateName : templates) {
             Template template = engine.getTemplate("generator/admin/"+templateName+".ftl");
-            String filePath = getAdminFilePath(templateName,genConfig,genMap.get("className").toString());
+            String filePath = getAdminFilePath(templateName,genConfig,genMap.get("className").toString(),System.getProperty("user.dir"));
 
             assert filePath != null;
             File file = new File(filePath);
@@ -108,7 +146,7 @@ public class GenUtil {
         templates = getFrontTemplateNames();
         for (String templateName : templates) {
             Template template = engine.getTemplate("generator/front/"+templateName+".ftl");
-            String filePath = getFrontFilePath(templateName,genConfig,genMap.get("changeClassName").toString());
+            String filePath = getFrontFilePath(templateName,genConfig.getApiPath(),genConfig.getPath(),genMap.get("changeClassName").toString());
 
             assert filePath != null;
             File file = new File(filePath);
@@ -283,8 +321,8 @@ public class GenUtil {
     /**
      * 定义后端文件路径以及名称
      */
-    private static String getAdminFilePath(String templateName, GenConfig genConfig, String className) {
-        String projectPath = System.getProperty("user.dir") + File.separator + genConfig.getModuleName();
+    private static String getAdminFilePath(String templateName, GenConfig genConfig, String className, String rootPath) {
+        String projectPath = rootPath + File.separator + genConfig.getModuleName();
         String packagePath = projectPath + File.separator + "src" +File.separator+ "main" + File.separator + "java" + File.separator;
         if (!ObjectUtils.isEmpty(genConfig.getPack())) {
             packagePath += genConfig.getPack().replace(".", File.separator) + File.separator;
@@ -328,11 +366,10 @@ public class GenUtil {
     /**
      * 定义前端文件路径以及名称
      */
-    private static String getFrontFilePath(String templateName, GenConfig genConfig, String apiName) {
-        String path = genConfig.getPath();
+    private static String getFrontFilePath(String templateName, String apiPath, String path, String apiName) {
 
         if ("api".equals(templateName)) {
-            return genConfig.getApiPath() + File.separator + apiName + ".js";
+            return apiPath + File.separator + apiName + ".js";
         }
 
         if ("index".equals(templateName)) {