--no commit message

com.zrqx.core/src/main/java/com/zrqx/core/service/BaseServiceImpl.java

@@ -67,10 +67,61 @@ public abstract class BaseServiceImpl<M, ID extends Serializable> implements Bas
 			}
 		}
 	}
+	@SuppressWarnings("unchecked")
 	public Example createExample(){
-		return new Example(entityClass);
+		if(entityClass == null){
+			/**
+			 * 为泛型指定具体实体对象
+			 * @Method getClass() 运行时类 ---api
+			 * @Method getGenericSuperclass()  取得支持泛型的父类
+			 * @Method getActualTypeArguments()[0] 取得父类真正对应的参数，即实体对象
+			 */
+			Type paramType = getClass().getGenericSuperclass();
+			if(paramType instanceof ParameterizedType){
+				ParameterizedType pty = (ParameterizedType)paramType;
+				this.entityClass = (Class<M>)pty.getActualTypeArguments()[0];
+			}
+		}
+		return createExample(entityClass);
+	}
+	public Example createExample(Class entityClass){
+		example = new Example(entityClass);
+		return example;
+	}
+	public Criteria createCriteria() {
+		createExample();
+		return example.createCriteria();
+	}
+	public Criteria createCriteria(Class entityClass) {
+		createExample(entityClass);
+		return example.createCriteria();
+	}
+	@Override
+	public boolean deleteByCriteria() {
+		return getMapper().deleteByExample(example)>0;
+	}
+	@Override
+	public boolean updateByCriteria(M record) {
+		return getMapper().updateByExample(record, example)>0;
+	}
+	@Override
+	public boolean updateByCriteriaSelective(M record) {
+		return getMapper().updateByExampleSelective(record, example)>0;
+	}
+	@Override
+	public List<M> selectByCriteria() {
+		return getMapper().selectByExample(example);
+	}
+	@Override
+	public List<M> selectByCriteriaAndRowBounds(RowBounds rowBounds) {
+		return getMapper().selectByExampleAndRowBounds(example, rowBounds);
+	}
+	@Override
+	public PageInfo<M> queryCriteria(PageParam pageParam) {
+		startPage(pageParam);
+		List<M> list = selectByCriteria();
+		return new PageInfo<M>(list);
 	}
-
 
 	/**
 	 * 开启分页