大家好，XML解析不依赖任何Jar包的编写模式，关键词：Pattern、Matcher使用。
工具类如下
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/**
* Xml工具类
* @author 章力
* @微信 zl4828
*/
public
class
XmlUtil {
/**
* 从消息message中提取出指定的tagName节点,包括他得子节点.
*
* @param xmlMessage
* @param tagName
* @return
* @throws Exception
*/
public
static
String pareXml(String xmlMessage, String tagName)
{
String regex =
".*?(<"
+tagName+
">.*?</"
+tagName+
">)|(<"
+tagName+
"/>)"
;
Pattern pattern = Pattern.compile(regex, Pattern.DOTALL);
Matcher matcher = pattern.matcher(xmlMessage);
if
(matcher.find())
{
xmlMessage = matcher.group(
1
);
return
xmlMessage;
}
else
{
throw
new
RuntimeException(
"无法提取xml消息体.tagName = "
+ tagName);
}
}
/**
* 从消息message中提取出指定的tagName节点中间的内容
*
* @param xmlMessage
* @param tagName
* @return
* @throws Exception
*/
public
static
String pareXmlContent(String xmlMessage, String tagName)
{
String regex =
"\\<"
+ tagName +
">(.*?)\\</"
+ tagName +
">"
;
Pattern pattern = Pattern.compile(regex, Pattern.DOTALL);
Matcher matcher = pattern.matcher(xmlMessage);
if
(matcher.find())
{
xmlMessage = matcher.group(
1
);
return
xmlMessage;
}
else
{
throw
new
RuntimeException(
"无法提取xml消息体.tagName = "
+ tagName);
}
}
/**
* 返回匹配到的所有节点
*
* @param xmlMessage
* @param tagName
* @return
* @throws Exception
*/
public
static
Matcher pareXmlMatcher(String xmlMessage, String tagName)
{
String regex =
".*?(<"
+tagName+
">.*?</"
+tagName+
">)|(<"
+tagName+
"/>)"
;
Pattern pattern = Pattern.compile(regex, Pattern.DOTALL);
Matcher matcher = pattern.matcher(xmlMessage);
return
matcher;
}
}
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使用实例
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/**
* 解析返回的XML，沫沫金提供支持微信@zl4828
*/
Matcher matcher = XmlUtil.pareXmlMatcher(resultXml,
"Result"
);
while
(matcher.find()) {
System.out.println(XmlUtil.pareXmlContent(matcher.group(),
"hosName"
));
}
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示例XML内容
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<?
xml
version
=
"1.0"
encoding
=
"UTF-8"
?> <
Response
><
MessageHeader
>
<
code
>0</
code
>
<
desc
>成功</
desc
>
</
MessageHeader
><
List
>
<
Result
>
<
hosOrgCode
>43523202X61010311A1001</
hosOrgCode
>
<
hosName
>西安市第九医院</
hosName
>
<
hospitalAdd
>沫沫金</
hospitalAdd
>
<
hospitalRule
></
hospitalRule
>
<
hospitalWeb
></
hospitalWeb
>
<
trafficGuide
></
trafficGuide
>
<
hospitalDesc
>专注网页设计、Web前端工程</
hospitalDesc
>
<
hospitalTel
>微信：zl4828</
hospitalTel
>
<
hospitalGrade
></
hospitalGrade
>
<
payMode
>|3|</
payMode
>
<
orderMode
>|2|</
orderMode
>
<
isSpTime
>1</
isSpTime
>
</
Result
>
<
Result
>
<
hosOrgCode
>43720037161011311A5211</
hosOrgCode
>
<
hosName
>西安市第八医院</
hosName
>
<
hospitalAdd
></
hospitalAdd
>
<
hospitalRule
></
hospitalRule
>
<
hospitalWeb
></
hospitalWeb
>
<
trafficGuide
></
trafficGuide
>
<
hospitalDesc
>网络营销</
hospitalDesc
>
<
hospitalTel
>15319419526</
hospitalTel
>
<
hospitalGrade
>1</
hospitalGrade
>
<
payMode
>|3|</
payMode
>
<
orderMode
>|2|</
orderMode
>
<
isSpTime
>1</
isSpTime
>
</
Result
>
</
List
></
Response
>
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总结：不想千篇一律，以上是你尝鲜的动力。
本文转自 沫沫金 51CTO博客，原文链接：http://blog.51cto.com/zl0828/1717160，如需转载请自行联系原作者
