需求：将用户从数据库导出，并且导入另一个用户后更新其中一些表的数据值。

1、XML原始文件

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<?xml version="1.0" encoding="UTF-8" ?>
<database>
	<tables>
		<!-- 修改BUSINESS_SYSTEM表 -->
		<table name = "BUSINESS_SYSTEM">
			<!-- 终端管理 -->
			<fields id="2">
				<field IP = "xxxx.xxxx.xxxx.xxxx" />
				<field PORT = "40009"/>
			</fields>
            <!-- 权限管理 -->
			<fields id="3">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40001"/>
			</fields>
            <!-- 短彩信管理平台 -->
			<fields id="101">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40004"/>
			</fields>
			<!-- 商户管理系统 -->
			<fields id="121">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "8080"/>
			</fields>
			<!-- 基础用户管理系统 -->
			<fields id="141">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40001"/>
			</fields>
			<!-- 电子商务后台管理系统 -->
			<fields id="161">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40006"/>
			</fields>
			<!-- 万能遥控器管理系统 -->
			<fields id="201">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40013"/>
			</fields>
			<!-- 预付卡支付管理系统 -->
			<fields id="202">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40014"/>
			</fields>
			<!-- 日志管理系统 -->
			<fields id="242">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40023"/>
			</fields>
			<!-- 业务管理系统 -->
			<fields id="241">
				<field IP = "xxxx.xxxx.xxxx.xxxx"/>
				<field PORT = "40010"/>
			</fields>
		</table>
		<!-- 修改property_value表 -->
		<table name = "PROPERTY_VALUE">
		    <!-- 数据库URL -->
			<fields PROPERTY_VALUE_ID="12">
				<field VALUE = "jdbc:oracle:thin:@xxxx.xxxx.xxxx.xxxx:1521:orcl"/>
			</fields>
			<!-- log日志URL -->
			<fields PROPERTY_VALUE_ID="38">
				<field VALUE = "jdbc:oracle:thin:@xxxx.xxxx.xxxx.xxxx:1521:orcl"/>
			</fields>
			<!-- ftp配置 -->
			<fields PROPERTY_VALUE_ID="13">
				<field VALUE = "192.168.0.112"/>
			</fields>
			<!-- 域名 -->
			<fields PROPERTY_VALUE_ID="45">
				<field VALUE = "http://192.168.0.104/"/>
			</fields>
			<!-- jsonP -->
			<fields PROPERTY_VALUE_ID="74">
				<field VALUE = "http://xxxx.xxxx.xxxx.xxxx:40000"/>
			</fields>
			<!-- 重定向IP -->
			<fields PROPERTY_VALUE_ID="5">
				<field VALUE = "xxxx.xxxx.xxxx.xxxx"/>
			</fields>
			<!-- 重定向PORT -->
			<fields PROPERTY_VALUE_ID="6">
				<field VALUE = "40000"/>
			</fields>
		</table>
		<!-- 修改property_value表 -->
		<table name = "BG_PROPERTY_VALUE">
			<!-- 数据库URL -->
			<fields BG_PROPERTY_VALUE_ID="2">
				<field VALUE = "jdbc:oracle:thin:@xxxx.xxxx.xxxx.xxxx:1521:orcl"/>
			</fields>
			<!-- 图片服务器 -->
			<fields BG_PROPERTY_VALUE_ID="62">
				<field VALUE = "http://xxxx.xxxx.xxxx.xxxx:40018/"/>
			</fields>
			<!-- 域名 -->
			<fields BG_PROPERTY_VALUE_ID="64">
				<field VALUE = "http://192.168.0.104:8081/dfs/ws/imgSys"/>
			</fields>
			<!-- 图片服务器 -->
			<fields BG_PROPERTY_VALUE_ID="65">
				<field VALUE = "http://xxxx.xxxx.xxxx.xxxx:40018/"/>
			</fields>
			<!-- 业务自助管理自定义系统URL -->
			<fields BG_PROPERTY_VALUE_ID="69">
				<field VALUE = "jdbc:oracle:thin:@xxxx.xxxx.xxxx.xxxx:1521:orcl"/>
			</fields>
			<!-- LOG数据库url -->
			<fields BG_PROPERTY_VALUE_ID="32">
				<field VALUE = "jdbc:oracle:thin:@xxxx.xxxx.xxxx.xxxx:1521:orc