下载jdk
wget --no-cookies --no-check-certificate \ --header "Cookie: gpw_e24=http%3A%2F%2Fwww.oracle.com%2F; oraclelicense=accept-securebackup-cookie" \ "http://download.oracle.com/otn-pub/java/jdk/8u321-b07/df5ad55fdd604472a86a45a217032c7d/jdk-8u321-linux-x64.tar.gz"
下载maven
wget --no-check-certificate https://dlcdn.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
<delete id="batchDeleteEmps" parameterType="int"> delete from emp wh...
import java.lang.reflect.InvocationTargetException; import java.lang.reflect.Method; public class&nbs...
@ApiModelProperty()用于方法，字段； 表示对model属性的说明或者数据操作更改 value–字段说明 name–重写属性名字 dataType–重写属性类型 required–是否...
该报错在修改mapper的xml之后出现的发现是因为注释的问题导致的在xml中注释已经要谨慎。...
<?xml version="1.0" encoding="UTF-8"?>声明xml的版本<project xmlns="http://maven.apache.org/...
报错信息：项目中Java版本不一致，可以查看项目中的jdk配置1、查看项目的jdk（Ctrl+Alt+shift+S）File ->Project Structure->Project Settings ->Project...