sql删除xml基本写法

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.keyou.dao.userManager.UserDao"> <delete id="removeUser" > DELETE FROM KGUSERS WHERE USERGUID =#{userId} </delete> </mapper> 接口中方法boolean removeUser(@Param("userId")String userId);sql入参与@Param标识类对应userId与sql语句入参对应namespace与接口全类名对应 id与接口方法名对应``