优化dbUpdate方法

gjjs-bd-mybatis-support/src/main/java/com/brilliance/mda/support/mybatis/MyBatisDaoSession.java

@@ -72,7 +72,7 @@ public class MyBatisDaoSession extends AbstractDaoSession implements IDaoSession
 
     //定义mapper文件中的sql语句id
     private static final String SQLID_INSERT = "insert";
-    private static final String SQLID_UPDATE = "updateByPrimaryKey";
+    private static final String SQLID_UPDATE = "updateByPrimaryKeySelective";
     private static final String SQLID_DELETE = "deleteByPrimaryKey";
     private static final String SQLID_DELBYIDS = "deleteByIds";
     private static final String SQLID_DYNCREAD = "dyncRead";
@@ -125,6 +125,10 @@ public class MyBatisDaoSession extends AbstractDaoSession implements IDaoSession
 
     @Override
     public <T extends IModule> int dbUpdate(T module) {
+        boolean b = checkAllPropertiesNull(module);
+        if (b) {
+            return 0;
+        }
         if (isMultiDb) {
             String moduleDB = MdaUtils.getModuleDB(module);
             DynamicDataSourceContextHolder.setDataSourceType(moduleDB);
@@ -644,4 +648,34 @@ public class MyBatisDaoSession extends AbstractDaoSession implements IDaoSession
     private void setNoMoreRow() {
         MdaEnv.getContext().setErrorCode(Constants.NO_MORE_ROW);
     }
+
+
+    /**
+     * 校验是否所有的属性都为null
+     *
+     * @return
+     */
+    private boolean checkAllPropertiesNull(Object obj) {
+        if (obj == null) {
+            return true;
+        }
+        Class<?> aClass = obj.getClass();
+        Field[] declaredFields = aClass.getDeclaredFields();
+        for (Field field : declaredFields) {
+            String name = field.getName();
+            if (field.isAnnotationPresent(Ignore.class) || "inr".equals(name)) {
+                continue;
+            }
+            field.setAccessible(true);
+            Object o = null;
+            try {
+                o = field.get(obj);
+            } catch (IllegalAccessException e) {
+            }
+            if (o != null) {
+                return false;
+            }
+        }
+        return true;
+    }
 }