m0_48020754的博客

Error querying database. Cause: org.apache.ibatis.executor.ExecutorException: A query was run and no Result Maps were found for the Mapped Statement ‘zar.getById’. It’s likely that neither a Result Type nor a Result Map was specified.这就是你mapper中的resultT

在写Mybatis时，运行test2,出现java.lang.Exception: No tests found matching Method test2(com.jmi.MyTest) from org.junit.internal.requests.ClassRequest@6267c3bbat org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:35)at com.intellij.junit4.JUn.

idea导入mysql包

code: 'ER_ACCESS_DENIED_ERROR', errno: 1045, sqlMessage: "Access denied for user 'root'@'localhost' (using password: YES)", sqlState: '28000', fatal: true

删除服务中的mysql,解决端口占用问题

1.双击安装包2.选择Server only,然后Next3.Exeute4.Next5. Next6.Next7.设置密码，Next8.服务名称，Next9.Execute10.Finish11.Next12.Finish13.找到Mysql的bin目录，复制这个路径14.找到的控制面板>系统和安全>系统,再找到高级系统设置15.打开环境变量16.找到系统变量下的Path，编辑17.新建，把刚刚复制过来的mysql路径复制进来，确定