完成结果集映射。

待完善：结果集中间处理结果应该进行缓存，实现可重复利用
待提交：结果集映射的设计思路文档
Signed-off-by: trumansdo <1012243881@qq.com>

plus-admin/admin-console/src/main/resources/btsql-ext.properties

 DELIMITER_PLACEHOLDER_START=#
 DELIMITER_PLACEHOLDER_END=#
 DELIMITER_STATEMENT_START=--:
-DELIMITER_STATEMENT_END=--
+DELIMITER_STATEMENT_END=
 #\u51FD\u6570\u6CE8\u518C
 FN.isEmpty=org.beetl.ext.fn.EmptyExpressionFunction
 FN.isNotEmpty=org.beetl.ext.fn.IsNotEmptyExpressionFunction

plus-admin/admin-core/src/main/java/com/ibeetl/admin/core/util/beetl/MappingFunction.java

 package com.ibeetl.admin.core.util.beetl;
 
+import cn.hutool.core.map.MapUtil;
 import cn.hutool.core.util.ObjectUtil;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONUtil;
 import com.ibeetl.admin.core.util.CacheUtil;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.List;
 import java.util.Map;
 import org.beetl.core.Context;
 import org.beetl.core.Function;
+import org.beetl.core.GroupTemplate;
+import org.beetl.core.ResourceLoader;
+import org.beetl.core.resource.StringTemplateResourceLoader;
+import org.beetl.sql.core.SQLManager;
+import org.beetl.sql.core.SQLResult;
 
 public class MappingFunction implements Function {
+
+  private static final StringWriter STRING_WRITER = new StringWriter();
+  private static final StringTemplateResourceLoader STRING_TEMPLATE_RESOURCE_LOADER = new StringTemplateResourceLoader();
+
   @Override
   public Object call(Object[] paras, Context ctx) {
-    Object sqlid = ctx.getGlobal("_id");
-    if (ObjectUtil.isNull(CacheUtil.get(sqlid))){
-      throw new RuntimeException(StrUtil.format("【{}】只能存在唯一一个映射", sqlid));
+    String sqlSegmentId = (String) paras[0];
+    Map inputParas = ctx.globalVar;
+    if (paras.length == 2) {
+      Map map = (Map) paras[1];
+      map.putAll(inputParas);
+      inputParas = map;
+    }
+
+    SQLManager sm = (SQLManager) ctx.getGlobal("_manager");
+    // 保留，免得被覆盖
+    List list = (List) ctx.getGlobal("_paras");
+    /*获取参数指定的sqlid所在的md文件名*/
+    String file = this.getParentId(ctx);
+    SQLResult result;
+    if(sqlSegmentId.indexOf(".")==-1){
+      /*证明是同一个md文件的sql段*/
+      result = sm.getSQLResult(file + "." + sqlSegmentId, inputParas, ctx);
+    }else {
+      /*另一个md文件的sql段*/
+      result = sm.getSQLResult(sqlSegmentId, inputParas, ctx);
     }
-    Map json = JSONUtil.parseObj(paras[0]);
-    CacheUtil.put(sqlid, json);
+
+    // 追加参数
+    list.addAll(result.jdbcPara);
+    ctx.set("_paras", list);
+
+    GroupTemplate groupTemplate = sm.getBeetl().getGroupTemplate();
+    Map rsMap =
+        groupTemplate.runScript(
+            result.jdbcSql, inputParas, STRING_WRITER, STRING_TEMPLATE_RESOURCE_LOADER);
+
+    if (MapUtil.isNotEmpty(rsMap)) {
+      String currentSqlId = ctx.getGlobal("_id").toString();
+      CacheUtil.put(currentSqlId, rsMap.values().stream().findFirst().get());
+    }
+
     return StrUtil.EMPTY;
   }
+
+  private String getParentId(Context ctx) {
+    String id = (String) ctx.getGlobal("_id");
+    int index = id.lastIndexOf(".");
+    String file = id.substring(0, index);
+    return file;
+  }
 }

plus-admin/admin-core/src/main/resources/sql/core/coreFunction.md

 
 getAllRoutes
 ===
-    select router.id,
+
+```sql
+select router.id,
        router.PARENT_ID,
        ifnull(router.ACCESS_URL, '/error/404') path,
        router.NAME,
@@ -9,12 +11,16 @@ getAllRoutes
        menu.ICON,
        ifnull(menu.SEQ, 999999)                seq,
        crm.ROLE_ID
-    from core_function router
+from core_function router
        left join core_menu menu on menu.FUNCTION_ID = router.ID
        left join core_role_menu crm on crm.MENU_ID = menu.id
-    order by router.ID 
---:
-var route_mapping={
+order by router.ID #text(mapping("RouteMapping"))#
+```
+
+RouteMapping
+===
+```javascript
+    var route_mapping_var={
                       "mapping": {
                           "path": "path",
                           "meta": {
@@ -35,6 +41,7 @@ var route_mapping={
                       },
                       "id": "core_route_map"
                   };
-mapping(route_mapping);
--- 
+```
+
+