mybatis中Integer类型的参数判空问题

已经配置好svn了,但是提交或者更新的时候,页面出现这个弹框,无法更新和提交代码的。处理方案：1.重装小乌龟 TortoiseSvn ,主要是第二项打上勾并且安装

org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLD

Lock wait timeout exceeded; try restarting transaction 死锁的问题处理

QueryWrapper、UpdateWrapper和LambdaWrapper的使用