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IDEA配置testNG一、jar包下载二、配置testNG三、注解说明如有问题，欢迎指正一、jar包下载1、如果是maven项目，在pom.xml文件添加：<!-- https://mvnrepository.com/artifact/org.testng/testng --><dependency> <groupId>org.testng</groupId> <artifactId>testng</artifac

一、安装插件File–Settings–Plugins搜索Lombok，点击install之后，重启IDEA即可使用。二、配置注解处理器IDEA也会自动提示，注意右下角提示File–Settings–Build，Execution，DeploymentCompiler–Annotation Processors，选中Enable annotation processing三、引入...

1、需求是这样的：将字符串中开头和结尾的【XY】替换成空字符串，字符串中间的不替换。原字符替换后124df346【XY】asdas235dgf124df346【XY】asdas235dgf【XY】asdas235dgfasdas235dgf124df346【XY】124df346【XYZ】asdas235dgf【XYZ】asdas235dgf...

spring框架，执行一个方法，不影响功能的报错影响整体事务，报错如下：org.springframework.transaction.UnexpectedRollbackException: Transaction rolled back because it has been marked as rollback-only回滚异常，被标记为仅回滚解决方法：globalRollbackO...

序号数据类型封装类默认值范围1字节byteByte(byte)0-27 ~ 27-1(-128 ~ 127)2短整数shortShort(short)0-215 ~ 215-1(-32768 ~ 32767)3整数intInteger0-231 ~ 231-14长整数longLong0L-263 ~ 263-1...

1、org.springframework.beans.BeanUtils#copyPropertiespublic User addUser(@ModelAttribute inDto dto) { User user= new User(); BeanUtils.copyProperties(dto, user); return userService.addUser(user);}...

String userAgent = request.getHeader("User-Agent").toUpperCase();if (agent.indexOf("TRIDENT") > -1) { //} else { //}