src/com/xx/supermarket/xml/AdminMapper.xml

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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">
<!-- 不使用namespace的话sql搜索定位会比较方便 -->
<mapper namespace="com.xx.supermarket.entity.Admin">

     <!-- 实体类与数据库映射字段部分  start -->
	<resultMap id="ResultMapAdmin" type="com.xx.supermarket.entity.Admin">
        <result property="id" column="id"  jdbcType="INTEGER"/>
        <result property="adminName" column="adminName"  jdbcType="VARCHAR"/>
        <result property="passWord" column="passWord"  jdbcType="VARCHAR"/>
        <result property="phone" column="phone"  jdbcType="VARCHAR"/>
        <result property="isDelete" column="isDelete"  jdbcType="INTEGER"/>
	</resultMap>
	 <!-- 实体类与数据库映射字段部分  end -->
	 
	 <!-- 声明数据库字段 -->
	<sql id="Admin_field">
           id,
           adminName,
           passWord,
           phone,
           isDelete
	</sql>
	
	<!-- 实体类属性  -->
	<sql id="Admin_insert">
        	#{id} ,
        	#{adminName} ,
        	#{passWord} ,
        	#{phone} ,
        	#{isDelete} 
	</sql>
	
	<!-- 执行修改时 数据库字段和表字段比较 -->
	<sql id="Admin_update">
		    <if test="adminName != null" >
	            adminName = #{adminName} ,
	        </if>
		    <if test="passWord != null" >
	            passWord = #{passWord} ,
	        </if>
		    <if test="phone != null" >
	            phone = #{phone} ,
	        </if>
		    <if test="isDelete != null" >
	            isDelete = #{isDelete} 
	        </if>
	</sql>
	
	<!-- 查询时条件 -->
	<sql id="Admin_where">
	        <if test="id != null " >
	            and id =#{id}
	        </if>
	        <if test="adminName != null " >
	            and adminName =#{adminName}
	        </if>
	        <if test="passWord != null " >