<?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.system.mapper.SelectedcourseMapper" > <resultMap id="BaseResultMap" type="com.system.po.Selectedcourse" > <result column="courseID" property="courseid" jdbcType="INTEGER" /> <result column="studentID" property="studentid" jdbcType="INTEGER" /> <result column="mark" property="mark" jdbcType="INTEGER" /> </resultMap> <sql id="Example_Where_Clause" > <where > <foreach collection="oredCriteria" item="criteria" separator="or" > <if test="criteria.valid" > <trim prefix="(" suffix=")" prefixOverrides="and" > <foreach collection="criteria.criteria" item="criterion" > <choose > <when test="criterion.noValue" > and ${criterion.condition} </when> <when test="criterion.singleValue" > and ${criterion.condition} #{criterion.value} </when> <when test="criterion.betweenValue" > and ${criterion.condition} #{criterion.value} and #{criterion.secondValue} </when> <when test="criterion.listValue" > and ${criterion.condition} <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," > #{listItem} </foreach> </when> </choose> </foreach> </trim> </if> </foreach> </where> </sql> <sql id="Update_By_Example_Where_Clause" > <where > <foreach collection="example.oredCriteria" item="criteria" separator="or" > <if test="criteria.valid" > <trim prefix="(" suffix=")" prefixOverrides="and" > <foreach collection="criteria.criteria" item="criterion" > <choose > <when test="criterion.noValue" > and ${criterion.condition} </when> <when test="criterion.singleValue" > and ${criterion.condition} #{criterion.value} </when> <when test="criterion.betweenValue" > and ${criterion.condition} #{criterion.value} and #{criterion.secondValue} </when> <when test="criterion.listValue" > and ${criterion.condition} <foreach collection="criterion.value" item="listItem" open="(" close=")" separator="," > #{listItem} </foreach> </when> </choose> </foreach> </trim> </if> </foreach> </where> </sql> <sql id="Base_Column_List" > courseID, studentID, mark </sql> <select id="selectByExample" resultMap="BaseResultMap" parameterType="com.system.po.SelectedcourseExample" > select <if test="distinct" > distinct </if> <include refid="Base_Column_List" /> from selectedcourse <if test="_parameter != null" > <include refid="Example_Where_Clause" /> </if> <if test="orderByClause != null" > order by ${orderByClause} </if> </select> <delete id="deleteByExample" parameterType="com.system.po.SelectedcourseExample" > delete from selectedcourse <if test="_parameter != null" > <include refid="Example_Where_Clause" /> </if> </delete> <insert id="insert" parameterType="com.system.po.Selectedcourse" > insert into selectedcourse (courseID, studentID, mark ) values (#{courseid,jdbcType=INTEGER}, #{studentid,jdbcType=INTEGER}, #{mark,jdbcType=INTEGER} ) </insert> <insert id="insertSelective" parameterType="com.system.po.Selectedcourse" > insert into selectedcourse <trim prefix="(" suffix=")" suffixOverrides="," > <if test="courseid != null" > courseID, </if> <if test="studentid != null" > studentID, </if> <if test="mark != null" > mark, </if> </trim> <trim prefix="values (" suffix=")" suffixOverrides="," > <if test="courseid != null" > #{courseid,jdbcType=INTEGER}, </if> <if test="studentid != null" > #{studentid,jdbcType=INTEGER}, </if> <if test="mark != null" > #{mark,jdbcType=INTEGER}, </if> </trim> </insert> <select id="countByExample" parameterType="com.system.po.SelectedcourseExample" resultType="java.lang.Integer" > select count(*) from selectedcourse <if test="_parameter != null" > <include refid="Example_Where_Clause" /> </if> </select> <update id="updateByExampleSelective" parameterType="map" > update selectedcourse <set > <if test="record.courseid != null" > courseID = #{record.courseid,jdbcType=INTEGER}, </if> <if test="record.studentid != null" > studentID = #{record.studentid,jdbcType=INTEGER}, </if> <if test="record.mark != null" > mark = #{record.mark,jdbcType=INTEGER}, </if> </set> <if test="_parameter != null" > <include refid="Update_By_Example_Where_Clause" /> </if> </update> <update id="updateByExample" parameterType="map" > update selectedcourse set courseID = #{record.courseid,jdbcType=INTEGER}, studentID = #{record.studentid,jdbcType=INTEGER}, mark = #{record.mark,jdbcType=INTEGER} <if test="_parameter != null" > <include refid="Update_By_Example_Where_Clause" /> </if> </update> </mapper>