dom4j解析xml

<?xml version="1.0" encoding="UTF-8"?>
<transfer>
	<tableMap>
		<!-- 源数据表 或者说是数据来源来-->
		<sourceTable>cust_gather_type_31</sourceTable>
		<sourceCharset>utf8</sourceCharset>
		<!-- 目标表或者说是数据流向表 -->
		<targetDataBase>daily_login_log</targetDataBase>
		<targetTable>login_log</targetTable>
		<targetEngine>MyISAM</targetEngine>
		<targetCharset>utf8</targetCharset>
		<!-- 目标表的索引列表 -->
		<targetTndexes>
			<!-- 建立索引的值，如：PRIMARY KEY  (`id`) 或者 KEY `d` (`name`) -->
			<index></index>
		</targetTndexes>
		<columnMap>
			<column>
				<sourceColumn>data1</sourceColumn>
				<targetColumn>update_time</targetColumn>
				<type>varchar</type>
				<length>14</length>
				<!-- 是否为自增长、值为true或1,false、0和放空-->
				<auto_increment></auto_increment>
				<!-- 是否为有符号类型，当在数值类型时有效 ，值为true或1,false、0和放空-->
				<unsigned></unsigned>
				<!-- 默认值 -->
				<defult></defult>				
				<comment></comment>
			</column>
			<column>
				<sourceColumn>district_id</sourceColumn>
				<targetColumn>dist_id</targetColumn>
				<type>int</type>
				<unsigned>true</unsigned>
				<length>5</length>
			</column>
			<column>
				<sourceColumn>district_id</sourceColumn>
				<targetColumn>dist_id</targetColumn>
				<type>int</type>
				<unsigned>true</unsigned>
				<length>5</length>
			</column>
		</columnMap>
	</tableMap>
</transfer>

http://www.ibm.com/developerworks/cn/xml/x-dom4j.html