modify

Helius

2020-11-24 45b922e93d8cf867a46f15d1db30c7e380e965b1

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<?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.xcong.excoin.modules.login.dao.WtTokenDao"> 
    <!-- 定义WtToken 的复杂关联map --> 
 
    <!-- 字段sql --> 
    <sql id="columns"> 
            id, 
            symbol, 
            price, 
            main, 
            fee, 
            create_time, 
            amount, 
            contract_address, 
            symbol_name 
    </sql> 
 
    <!-- 属性sql --> 
    <sql id="propertys"> 
            #{item.id}, 
            #{item.symbol}, 
            #{item.price}, 
            #{item.main}, 
            #{item.fee}, 
            #{item.createTime}, 
            #{item.amount}, 
            #{item.contractAddress}, 
            #{item.symbolName} 
    </sql> 
 
    <!--  插入方法   --> 
    <insert id="insert" parameterType="com.xcong.excoin.modules.login.entity.WtToken" 
            useGeneratedKeys="true" keyProperty="item.id"> 
        INSERT INTO wt_token ( 
        <include refid="columns"></include> 
        ) 
        VALUES ( 
        <include refid="propertys"></include> 
        ) 
    </insert> 
 
 
    <!--  批量插入   --> 
    <insert id="batchInsert" parameterType="java.util.List"> 
        INSERT INTO wt_token ( 
        <include refid="columns"></include> 
        ) 
        VALUES 
        <foreach collection="list" item="item" index="index" separator=",">( 
            <include refid="propertys"></include> 
            ) 
        </foreach> 
    </insert> 
 
 
 
    <!--  根据对象更新 部分更新   --> 
    <update id="updateByModel" parameterType="Integer"> 
        UPDATE wt_token 
        <set> 
            <if test="record.symbol != null and record.symbol != '' "> 
                symbol = #{record.symbol}, 
            </if> 
            <if test="record.price != null "> 
                price = #{record.price}, 
            </if> 
            <if test="record.main != null "> 
                main = #{record.main}, 
            </if> 
        </set> 
        WHERE id=#{record.id} 
    </update> 
 
 
 
    <!-- 根据id删除--> 
    <delete id="deleteById" parameterType="Integer"> 
        DELETE FROM wt_token 
        where  id=#{id} 
    </delete> 
 
 
 
 
 
 
    <!-- 根据id查询--> 
    <select id="selectById" resultType="com.xcong.excoin.modules.login.entity.WtToken"> 
        select 
        <include refid="columns"></include> 
        from wt_token 
        where id=#{id} 
    </select> 
 
    <select id="selectBySymbol" resultType="com.xcong.excoin.modules.login.entity.WtToken"> 
        select 
        <include refid="columns"></include> 
        from wt_token 
        where symbol =#{symbol} 
    </select> 
 
    <select id="selectAllToken" resultType="com.xcong.excoin.modules.login.entity.WtToken"> 
        select 
        <include refid="columns"></include> 
        from wt_token 
    </select> 
 
    <select id="selectMainToken" resultType="com.xcong.excoin.modules.login.entity.WtToken"> 
        select 
        <include refid="columns"></include> 
        from wt_token where main = 1 
    </select> 
 
</mapper>