LibCollegeMapper.xml

<?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.laowu.mapper.LibCollegeMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.laowu.model.LibCollegeDO">
        <id column="id" property="id" />
        <result column="create_date" property="createDate" />
        <result column="update_date" property="updateDate" />
        <result column="delete_date" property="deleteDate" />
        <result column="college" property="college" />
        <result column="province" property="province" />
        <result column="city" property="city" />
        <result column="county" property="county" />
        <result column="town" property="town" />
        <result column="college_type" property="collegeType" />
        <result column="college_code" property="collegeCode" />
        <result column="status" property="status" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        create_date,
        update_date,
        delete_date,
        id, college, province, city, county, town, college_type, college_code, status
    </sql>

    <select id="colleges" parameterType="string" resultType="com.laowu.vo.college.CollegeVO">
        SELECT
            *
        FROM
            lib_college t
        WHERE
            t.delete_date IS NULL
            <if test="status != null and status != ''">
                AND t.STATUS = #{status}
            </if>
            <if test="province != null and province !=''">
                AND t.province = #{province}
            </if>
            <if test="city != null and city != ''">
                AND t.city = #{city}
            </if>
            <if test="county != null and county != ''">
                AND t.county = #{county}
            </if>
    </select>

</mapper>