标签:turn select where mybatis str its class eve res
mybatis+mysql查询出来会报如下错误:
attempted to return null from a method with a primitive return type (int).
我的返回值类型为int,但是查询出来的结果有空值,所以会出现如上的异常,以下为解决办法:
1.当查询出来为空时,给赋值一个默认值:
2.将返回值类型改为Integer,然后由业务代码去进行判断:
attempted to return null from a method with a primitive return type (Double).
标签:turn select where mybatis str its class eve res
原文地址:http://www.cnblogs.com/523823-wu/p/7909462.html