From 3ed2627f7c05e8eaa4559371f9d6d2cb71aa4275 Mon Sep 17 00:00:00 2001
From: java110 <928255095@qq.com>
Date: 星期日, 12 九月 2021 14:11:08 +0800
Subject: [PATCH] 优化刷新缓存功能

---
 java110-db/src/main/java/com/java110/db/Java110MybatisInterceptor.java |  171 ++++++++++++++++++++++++++++++++++-----------------------
 1 files changed, 102 insertions(+), 69 deletions(-)

diff --git a/java110-db/src/main/java/com/java110/db/Java110MybatisInterceptor.java b/java110-db/src/main/java/com/java110/db/Java110MybatisInterceptor.java
old mode 100644
new mode 100755
index eccd651..ffca6b9
--- a/java110-db/src/main/java/com/java110/db/Java110MybatisInterceptor.java
+++ b/java110-db/src/main/java/com/java110/db/Java110MybatisInterceptor.java
@@ -15,30 +15,17 @@
 import org.apache.ibatis.mapping.MappedStatement;
 import org.apache.ibatis.mapping.ParameterMapping;
 import org.apache.ibatis.mapping.SqlCommandType;
-import org.apache.ibatis.plugin.Interceptor;
-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.plugin.*;
 import org.apache.ibatis.reflection.MetaObject;
 import org.apache.ibatis.session.Configuration;
 import org.apache.ibatis.type.TypeHandlerRegistry;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpEntity;
-import org.springframework.http.HttpHeaders;
-import org.springframework.http.HttpMethod;
-import org.springframework.http.HttpStatus;
-import org.springframework.http.ResponseEntity;
+import org.springframework.http.*;
 
 import java.sql.Timestamp;
 import java.text.DateFormat;
-import java.util.Date;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-import java.util.Properties;
+import java.util.*;
 
 @Intercepts({
         @Signature(type = Executor.class, method = "update", args = {MappedStatement.class,
@@ -64,18 +51,19 @@
 
         BoundSql boundSql = mappedStatement.getBoundSql(parameter);
         Configuration configuration = mappedStatement.getConfiguration();
+        Map<String, Object> sqlValue = new HashMap<>();
         //鑾峰彇sql璇彞
-        String sql = showSql(configuration, boundSql);
+        String sql = showSql(configuration, boundSql, sqlValue, sqlCommandType);
         restTemplate = ApplicationContextFactory.getBean("restTemplate", RestTemplate.class);
         switch (sqlCommandType) {
             case INSERT:
-                dealInsertSql(mappedStatement, parameter, sql);
+                dealInsertSql(mappedStatement, parameter, sql, sqlValue);
                 break;
             case UPDATE:
-                dealUpdateSql(mappedStatement, parameter, sql);
+                dealUpdateSql(mappedStatement, parameter, sql, sqlValue);
                 break;
             case DELETE:
-                dealDeleteSql(mappedStatement, parameter, sql);
+                dealDeleteSql(mappedStatement, parameter, sql, sqlValue);
                 break;
         }
         return invocation.proceed();
@@ -87,9 +75,12 @@
      * @param mappedStatement
      * @param parameter
      */
-    private void dealDeleteSql(MappedStatement mappedStatement, Object parameter, String sql) {
+    private void dealDeleteSql(MappedStatement mappedStatement, Object parameter, String sql, Map<String, Object> sqlValue) {
 
-        String tmpTable = sql.substring(sql.indexOf("into") + 4, sql.indexOf("("));
+        String tmpTable = sql.substring(sql.indexOf("into") + 4, sql.indexOf("(")).trim();
+        if(tmpTable.indexOf(" ") > 0){
+            tmpTable = tmpTable.substring(0,tmpTable.indexOf(" "));
+        }
         String tmpWhere = sql.substring(sql.indexOf("where"));
         //鎻掑叆鎿嶄綔鏃朵箣鍓嶇殑 娌℃湁鏁版嵁 鎵�浠� preValue 涓虹┖瀵硅薄
         JSONArray preValues = new JSONArray();
@@ -136,38 +127,21 @@
      * @param mappedStatement
      * @param parameter
      */
-    private void dealUpdateSql(MappedStatement mappedStatement, Object parameter, String sql) {
+    private void dealUpdateSql(MappedStatement mappedStatement, Object parameter, String sql, Map<String, Object> sqlValue) {
         //RestTemplate restTemplate = ApplicationContextFactory.getBean("restTemplate", RestTemplate.class);
 
-        String tmpTable = sql.substring(sql.indexOf("update") + 6, sql.indexOf("set"));
+        String tmpTable = sql.substring(sql.indexOf("update") + 6, sql.indexOf("set")).trim();
+
+        if(tmpTable.indexOf(" ") > 0){
+            tmpTable = tmpTable.substring(0,tmpTable.indexOf(" "));
+        }
         String tmpWhere = sql.substring(sql.indexOf("where"));
-        String tmpKey = sql.substring(sql.indexOf("set") + 3, sql.indexOf("where"));
-        String[] tmpString = tmpKey.split(",");
-        Map tmpAfterMap = new HashMap();
-        for (String tmp : tmpString) {
-            String[] keyValues = tmp.split("=");
-            String key = "";
-            if (keyValues.length != 2) {
-                throw new IllegalArgumentException("update 璇彞鍙兘鏈夐棶棰橈紝娌℃湁 set 涓嚭閿� " + sql);
-            }
-            if (keyValues[0].contains(".")) {
-                key = keyValues[0].substring(keyValues[0].indexOf(".") + 1);
-            } else {
-                key = keyValues[0];
-            }
-            tmpAfterMap.put(key.trim(), keyValues[1].trim());
-        }
 
-
-        if (tmpString == null || tmpString.length < 1) {
-            throw new IllegalArgumentException("update 璇彞鍙兘鏈夐棶棰橈紝娌℃湁 set 鍐呭 " + sql);
-        }
         //鎻掑叆鎿嶄綔鏃朵箣鍓嶇殑 娌℃湁鏁版嵁 鎵�浠� preValue 涓虹┖瀵硅薄
         JSONArray preValues = new JSONArray();
         JSONArray afterValues = new JSONArray();
         JSONObject afterVaule = null;
         String execSql = "select * from " + tmpTable + " " + tmpWhere;
-
         queryServiceDAOImpl = ApplicationContextFactory.getBean("queryServiceDAOImpl", IQueryServiceDAO.class);
         List<Map<String, Object>> deleteDatas = queryServiceDAOImpl.executeSql(execSql, null);
 
@@ -177,7 +151,7 @@
                 preValues.add(map);
                 afterVaule = new JSONObject();
                 afterVaule.putAll(map);
-                afterVaule.putAll(tmpAfterMap);
+                afterVaule.putAll(sqlValue);
                 afterValues.add(afterVaule);
             }
         }
@@ -216,9 +190,9 @@
                 Date date = new Date(((Timestamp) value).getTime());
                 String tmpValue = DateUtil.getFormatTimeString(date, DateUtil.DATE_FORMATE_STRING_A);
                 map.put(key, "'" + tmpValue + "'");
-            } else if(value instanceof Double){
+            } else if (value instanceof Double) {
                 map.put(key, "'" + map.get(key) + "'");
-            }else {
+            } else {
                 if (value != null) {
                     map.put(key, "'" + value.toString() + "'");
                 } else {
@@ -234,7 +208,7 @@
      * @param mappedStatement
      * @param parameter
      */
-    private void dealInsertSql(MappedStatement mappedStatement, Object parameter, String sql) {
+    private void dealInsertSql(MappedStatement mappedStatement, Object parameter, String sql, Map<String, Object> sqlValue) {
 
         // RestTemplate restTemplate = ApplicationContextFactory.getBean("restTemplate", RestTemplate.class);
 
@@ -242,24 +216,14 @@
         JSONArray preValues = new JSONArray();
 
         JSONArray afterValues = new JSONArray();
-        JSONObject afterValue = new JSONObject();
-        String tmpTable = sql.substring(sql.toLowerCase().indexOf("into") + 4, sql.indexOf("("));
-        String tmpKey = sql.substring(sql.indexOf("(") + 1, sql.indexOf(")"));
-        String tmpValue = sql.substring(sql.lastIndexOf("(") + 1, sql.lastIndexOf(")"));
-        String[] tmpKeys = tmpKey.split(",");
-        String[] tmpValues = tmpValue.split(",");
 
-        if (tmpKeys.length != tmpValues.length) {
-            throw new IllegalArgumentException("sql 閿欒 key 鍜寁alue 涓暟涓嶇瓑" + sql);
+        String tmpTable = sql.substring(sql.toLowerCase().indexOf("into") + 4, sql.indexOf("(")).trim();
+
+        if(tmpTable.indexOf(" ") > 0){
+            tmpTable = tmpTable.substring(0,tmpTable.indexOf(" "));
         }
 
-        if (tmpKeys.length < 1) {
-            throw new IllegalArgumentException("sql 閿欒 鏈壘鍒発ey" + sql);
-        }
-        for (int keyIndex = 0; keyIndex < tmpKeys.length; keyIndex++) {
-            afterValue.put(tmpKeys[keyIndex], tmpValues[keyIndex]);
-        }
-        afterValues.add(afterValue);
+        afterValues.add(sqlValue);
 
         JSONObject logText = new JSONObject();
         logText.put("preValue", preValues);
@@ -284,6 +248,7 @@
 
     }
 
+
     @Override
     public Object plugin(Object target) {
 
@@ -296,15 +261,18 @@
 
     }
 
-    public String showSql(Configuration configuration, BoundSql boundSql) {
+    public String showSql(Configuration configuration, BoundSql boundSql, Map<String, Object> sqlValue, SqlCommandType sqlCommandType) {
         Object parameterObject = boundSql.getParameterObject();
         List<ParameterMapping> parameterMappings = boundSql.getParameterMappings();
-        String sql = boundSql.getSql().replaceAll("[\\s]+", " ");
+        String sql = boundSql.getSql().replaceAll("[\\s]+", " ").toLowerCase();
+        String orgSql = sql;// 鍘熷sql
+
+        List<String> values = new ArrayList<>();
         if (parameterMappings.size() > 0 && parameterObject != null) {
             TypeHandlerRegistry typeHandlerRegistry = configuration.getTypeHandlerRegistry();
             if (typeHandlerRegistry.hasTypeHandler(parameterObject.getClass())) {
                 sql = sql.replaceFirst("\\?", getParameterValue(parameterObject));
-
+                values.add(getParameterValue(parameterObject));
             } else {
                 MetaObject metaObject = configuration.newMetaObject(parameterObject);
                 for (ParameterMapping parameterMapping : parameterMappings) {
@@ -312,14 +280,70 @@
                     if (metaObject.hasGetter(propertyName)) {
                         Object obj = metaObject.getValue(propertyName);
                         sql = sql.replaceFirst("\\?", getParameterValue(obj));
+                        values.add(getParameterValue(obj));
                     } else if (boundSql.hasAdditionalParameter(propertyName)) {
                         Object obj = boundSql.getAdditionalParameter(propertyName);
                         sql = sql.replaceFirst("\\?", getParameterValue(obj));
+                        values.add(getParameterValue(obj));
                     }
                 }
             }
         }
-        return sql.toLowerCase();
+
+        if (sqlCommandType == SqlCommandType.INSERT) {
+            String tmpKey = orgSql.substring(orgSql.indexOf("(") + 1, orgSql.indexOf(")"));
+            String[] tmpKeys = tmpKey.split(",");
+
+//            if (values.size() < tmpKeys.length) {
+//                throw new IllegalArgumentException("sql 閿欒 key 鍜寁alue 涓暟涓嶇瓑" + sql);
+//            }
+            for (int keyIndex = 0; keyIndex < tmpKeys.length; keyIndex++) {
+                String key = tmpKeys[keyIndex].trim();
+                String value = "";
+                if (values.size() - 1 < keyIndex) {
+                    continue;
+                }
+                value = values.get(keyIndex);
+                if ("''".equals(value)) {
+                    continue;
+                }
+                sqlValue.put(key, value);
+            }
+        } else if (sqlCommandType == SqlCommandType.UPDATE) {
+            String tmpKey = orgSql.substring(sql.indexOf("set") + 3, orgSql.indexOf("where"));
+            String[] tmpKeys = tmpKey.split(",");
+//            if (values.size() < tmpKeys.length) {
+//                throw new IllegalArgumentException("sql 閿欒 key 鍜寁alue 涓暟涓嶇瓑" + sql);
+//            }
+            for (int keyIndex = 0; keyIndex < tmpKeys.length; keyIndex++) {
+                String tmpSetKey = tmpKeys[keyIndex];
+                String[] keyValues = tmpSetKey.split("=");
+                String key = "";
+                if (keyValues.length != 2) {
+                    throw new IllegalArgumentException("update 璇彞鍙兘鏈夐棶棰橈紝娌℃湁 set 涓嚭閿� " + sql);
+                }
+                if (keyValues[0].contains(".")) {
+                    key = keyValues[0].substring(keyValues[0].indexOf(".") + 1).trim();
+                } else {
+                    key = keyValues[0].trim();
+                }
+                String value = "";
+                if (values.size() - 1 < keyIndex) {
+                    continue;
+                }
+                value = values.get(keyIndex);
+                if ("''".equals(value)) {
+                    continue;
+                }
+                sqlValue.put(key, value);
+            }
+
+        } else if (sqlCommandType == SqlCommandType.DELETE) {
+
+        }
+
+
+        return sql;
     }
 
     private String getParameterValue(Object obj) {
@@ -334,10 +358,19 @@
             if (obj != null) {
                 value = obj.toString();
             } else {
-                value = "";
+                value = "''";
             }
 
         }
         return value;
     }
+
+
+    public static void main(String[] args) {
+        String tmpTable = "product_label    t";
+        if(tmpTable.indexOf(" ") > 0){
+            tmpTable = tmpTable.substring(0,tmpTable.indexOf(" "));
+        }
+        System.out.printf(tmpTable);
+    }
 }

--
Gitblit v1.8.0