testMaven/WebRoot/WEB-INF/classes/com/neusoft/mapper/ManageMapper.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.neusoft.mapper.ManageMapper">

     <!-- 实体类与数据库映射字段部分  start -->
	<resultMap id="ResultMapManage" type="com.neusoft.po.Manage">
        <result property="id" column="id"  jdbcType="INTEGER"/>
        <result property="userName" column="userName"  jdbcType="VARCHAR"/>
        <result property="passWord" column="passWord"  jdbcType="VARCHAR"/>
        <result property="realName" column="realName"  jdbcType="VARCHAR"/>
	</resultMap>
	 <!-- 实体类与数据库映射字段部分  end -->
	 
	 <!-- 声明数据库字段 -->
	<sql id="Manage_field">
           id,
           userName,
           passWord,
           realName
	</sql>
	
	<!-- 实体类属性  -->
	<sql id="Manage_insert">
        	#{id} ,
        	#{userName} ,
        	#{passWord} ,
        	#{realName} 
	</sql>
	
	<!-- 执行修改时 数据库字段和表字段比较 -->
	<sql id="Manage_update">
		    <if test="userName != null" >
	            userName = #{userName} ,
	        </if>
		    <if test="passWord != null" >
	            passWord = #{passWord} ,
	        </if>
		    <if test="realName != null" >
	            realName = #{realName} 
	        </if>
	</sql>
	
	<!-- 查询时条件 -->
	<sql id="Manage_where">
	        <if test="id != null " >
	            and id =#{id}
	        </if>
	        <if test="userName != null " >
	            and userName =#{userName}
	        </if>
	        <if test="passWord != null " >
	            and passWord =#{passWord}
	        </if>
	        <if test="realName != null " >
	            and realName =#{realName}
	        </if>
	</sql>