From 2bf68ba42eac2781eaa9e03d2b84d06682e7cfaf Mon Sep 17 00:00:00 2001
From: wuxw <928255095@qq.com>
Date: 星期四, 17 十月 2019 19:39:42 +0800
Subject: [PATCH] 打印 sql 中if 节点处理 打印日志方便调试

---
 java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java |   90 ++++++++++++++++++++++++++++++--------------
 1 files changed, 61 insertions(+), 29 deletions(-)

diff --git a/java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java b/java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java
index 28688d1..7cadaaf 100644
--- a/java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java
+++ b/java110-service/src/main/java/com/java110/service/smo/impl/QueryServiceSMOImpl.java
@@ -4,19 +4,24 @@
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.alibaba.fastjson.JSONPath;
-import com.java110.common.cache.ServiceSqlCache;
-import com.java110.common.constant.CommonConstant;
-import com.java110.common.constant.ResponseConstant;
-import com.java110.common.exception.BusinessException;
+import com.java110.utils.cache.ServiceSqlCache;
+import com.java110.utils.constant.CommonConstant;
+import com.java110.utils.constant.ResponseConstant;
+import com.java110.utils.exception.BusinessException;
 import com.java110.core.factory.DataTransactionFactory;
-import com.java110.common.log.LoggerEngine;
-import com.java110.common.util.Assert;
-import com.java110.common.util.StringUtil;
-import com.java110.entity.service.DataQuery;
+import com.java110.utils.log.LoggerEngine;
+import com.java110.utils.util.Assert;
+import com.java110.utils.util.StringUtil;
+import com.java110.service.context.DataQuery;
 import com.java110.entity.service.ServiceSql;
 import com.java110.service.dao.IQueryServiceDAO;
 import com.java110.service.smo.IQueryServiceSMO;
 import org.apache.commons.lang3.StringUtils;
+import org.apache.ibatis.ognl.Ognl;
+import org.apache.ibatis.ognl.OgnlException;
+import org.dom4j.DocumentException;
+import org.dom4j.DocumentHelper;
+import org.dom4j.Element;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -177,20 +182,12 @@
 
             Interpreter interpreter = new Interpreter();
             interpreter.eval(javaCode);
-           /* String param = "";
-            for (String key : params.keySet()) {
-                param += (params.getString(key) + ",");
-            }
-
-            if (param.endsWith(",")) {
-                param = param.substring(0, param.length() - 1);
-            }*/
-
+            interpreter.set("dataQuery", dataQuery);
             dataQuery.setResponseInfo(DataTransactionFactory.createBusinessResponseJson(ResponseConstant.RESULT_CODE_SUCCESS,
-                    "鎴愬姛", JSONObject.parseObject(interpreter.eval("execute(" + dataQuery + ")").toString())));
+                    "鎴愬姛", JSONObject.parseObject(interpreter.eval("execute(dataQuery)").toString())));
         } catch (Exception e) {
             logger.error("鏁版嵁浜や簰寮傚父锛�", e);
-            throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "鏁版嵁浜や簰寮傚父,"+e.getMessage());
+            throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "鏁版嵁浜や簰寮傚父," + e.getMessage());
         }
     }
 
@@ -252,7 +249,10 @@
 
             String currentSql = sqlObj.getString(dataQuery.getTemplateKey());
             //澶勭悊 if 鍒ゆ柇
-            currentSql = dealSqlIf(currentSql);
+            logger.debug("dealSqlIf寮�濮嬪鐞唖ql涓殑<if>鑺傜偣", currentSql);
+            currentSql = dealSqlIf(currentSql, params);
+            logger.debug("dealSqlIf澶勭悊瀹屾垚sql涓殑<if>鑺傜偣", currentSql);
+
 
             String[] sqls = currentSql.split("#");
             String currentSqlNew = "";
@@ -325,22 +325,54 @@
 
     /**
      * 澶勭悊SQL璇彞
-     * @param oldSql
-     *              select * from s_a a
-     *              where if(name != null && name != ''){
-             *                  a.name = #name#
-             *             }
+     *
+     * @param oldSql select * from s_a a
+     *               where <if test="name != null && name != ''">
+     *               a.name = #name#
+     *               </if>
      * @return
      */
-    private String dealSqlIf(String oldSql){
-        String newSql = "";
+    public String dealSqlIf(String oldSql, JSONObject requestParams) throws DocumentException, OgnlException {
+        StringBuffer newSql = new StringBuffer();
+        String tmpSql = "";
+        Boolean conditionResult = false;
         // 鏈寘鍚� 鏉′欢璇彞
-        if(!oldSql.replace(" ","").contains("if(")){
+        if (!oldSql.contains("<if")) {
             return oldSql;
         }
 
+        String[] oSqls = oldSql.split("</if>");
+        for (String oSql : oSqls) {
+            if (!oSql.startsWith("<if")) {
+                newSql.append(oSql.substring(0, oSql.indexOf("<if")));
+            }
 
-        return newSql;
+            tmpSql = oSql.substring(oSql.indexOf("<if")) + "</if>";
+
+            Element root = DocumentHelper.parseText(tmpSql).getRootElement();
+
+            String condition = root.attribute("test").getValue();
+
+            Object condObj = Ognl.parseExpression(condition);
+
+            Object value = Ognl.getValue(condObj, requestParams);
+
+            if (value instanceof Boolean) {
+                conditionResult = (Boolean) value;
+            } else {
+                throw new BusinessException(ResponseConstant.RESULT_CODE_INNER_ERROR, "閰嶇疆閿欒锛宨f璇彞閰嶇疆閿欒 " + condition);
+            }
+
+            if (conditionResult) {
+                newSql.append(root.getText());
+            }
+
+
+
+        }
+
+
+        return newSql.toString();
 
     }
 

--
Gitblit v1.8.0