\u53ea\u4f1a\u4f7f\u7528xml\u8fdc\u8fdc\u662f\u4e0d\u591f\u7684\uff0cxml\u7684\u7cbe\u9ad3\u5c31\u662f\u89e3\u6790xml\uff0c\u73b0\u5728\u6211\u4eec\u5bf9xml\u89e3\u6790\u8fdb\u884c\u521d\u6b65\u4e86\u89e3<\/p>\n
\uff08\u4e00\uff09XML\u89e3\u6790\u6280\u672f\u7684\u5206\u7c7b\uff1a<\/p>\n
\uff081\uff09XML\u89e3\u6790\u65b9\u5f0f\u5206\u4e3a\u4e24\u79cd\uff1aDOM\u65b9\u5f0f\u548cSAX\u65b9\u5f0f<\/p>\n
DOM\uff1aDocument ObjectModel\uff0c\u6587\u6863\u5bf9\u8c61\u6a21\u578b\u3002\u8fd9\u79cd\u65b9\u5f0f\u662fW3C\u63a8\u8350\u7684\u5904\u7406XML\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<\/p>\n
SAX\uff1aSimple API for XML\u3002\u8fd9\u79cd\u65b9\u5f0f\u4e0d\u662f\u5b98\u65b9\u6807\u51c6\uff0c\u5c5e\u4e8e\u5f00\u6e90\u793e\u533aXML-DEV\uff0c\u51e0\u4e4e\u6240\u6709\u7684XML\u89e3\u6790\u5668\u90fd\u652f\u6301\u5b83\u3002<\/p>\n
\uff082\uff09XML\u89e3\u6790\u5f00\u53d1\u5305<\/p>\n
JAXP\uff1a\u662fSUN\u516c\u53f8\u63a8\u51fa\u7684\u89e3\u6790\u6807\u51c6\u5b9e\u73b0\u3002<\/p>\n
Dom4J\uff1a\u662f\u5f00\u6e90\u7ec4\u7ec7\u63a8\u51fa\u7684\u89e3\u6790\u5f00\u53d1\u5305\u3002(\u57fa\u672c\u5927\u90e8\u5206\u516c\u53f8\u90fd\u5728\u53ea\u7528Dom4j\u5305\u62ecSUN\u516c\u53f8\u7684\u4e00\u4e9b\u6280\u672f\u7684\u5b9e\u73b0\u90fd\u5728\u7528)<\/p>\n
JDom\uff1a\u662f\u5f00\u6e90\u7ec4\u7ec7\u63a8\u51fa\u7684\u89e3\u6790\u5f00\u53d1\u5305\u3002<\/p>\n
\uff08\u4e8c\uff09\u4e24\u79cd\u89e3\u6790\u65b9\u5f0f\u7684\u4f18\u7f3a\u70b9<\/p>\n
\u901a\u8fc7dom.xml\u7684\u6587\u4ef6\u753b\u56fe\u89e3\u6790DOM\u548cSAX\u7684\u5173\u7cfb<\/p>\n
\u9996\u5148DOM\u89e3\u6790XML\u4e5f\u662f\u5728\u5185\u5b58\u4e2d\u5f62\u6210\u4e00\u4e2a\u6811\u72b6\u7ed3\u6784\u3002<\/p>\n
\uff081\uff09DOM\u89e3\u6790\uff1a\u628a\u6574\u4e2aXML\u6587\u6863\u5148\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5f62\u6210\u6811\u72b6\u7ed3\u6784\u3002<\/p>\n
\u7f3a\u70b9\uff1a\u5982\u679c\u6587\u6863\u975e\u5e38\u5927\uff0c\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\u5bb9\u6613\u4ea7\u751f\u5185\u5b58\u6ea2\u51fa\u7684\u95ee\u9898\u3002<\/p>\n
\u4f18\u70b9\uff1a\u56e0\u4e3a\u8282\u70b9\u4e0e\u8282\u70b9\u4e4b\u95f4\u6709\u5173\u7cfb\uff0c\u8fdb\u884c\u589e\u5220\u6539\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n
\uff082\uff09SAX\u89e3\u6790\uff1a\u57fa\u4e8e\u4e8b\u4ef6\u9a71\u52a8\u7684\uff0c\u8fb9\u8bfb\u8fb9\u89e3\u6790\u3002<\/p>\n
\u7f3a\u70b9\uff1a\u4e0d\u80fd\u8fdb\u884c\u589e\u5220\u6539\u7684\u64cd\u4f5c\u3002<\/p>\n
\u4f18\u70b9\uff1a\u6587\u6863\u5927\u4e5f\u4e0d\u4f1a\u6709\u5185\u5b58\u6ea2\u51fa\u7684\u95ee\u9898\uff0c\u67e5\u627e\u975e\u5e38\u65b9\u4fbf\u3002<\/p>\n
\uff08\u4e09\uff09\u4e24\u79cd\u89e3\u6790\u65b9\u5f0f\u5206\u6790<\/p>\n
(1)DOM\u6a21\u578b(document objectmodel)<\/p>\n
DOM\u89e3\u6790\u5668\u5728\u89e3\u6790XML\u6587\u6863\u65f6\uff0c\u4f1a\u628a\u6587\u6863\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff0c\u6309\u7167\u5176\u51fa\u73b0\u7684\u5c42\u6b21\u5173\u7cfb\uff0c\u89e3\u6790\u6210\u4e00\u4e2a\u4e2aNode\u5bf9\u8c61(\u8282\u70b9)\u3002<\/p>\n
a.\u5728dom\u4e2d\uff0c\u8282\u70b9\u4e4b\u95f4\u5173\u7cfb\u5982\u4e0b\uff1a<\/p>\n
\u4f4d\u4e8e\u4e00\u4e2a\u8282\u70b9\u4e4b\u4e0a\u7684\u8282\u70b9\u662f\u8be5\u8282\u70b9\u7684\u7236\u8282\u70b9(parent)<\/p>\n
\u4e00\u4e2a\u8282\u70b9\u4e4b\u4e0b\u7684\u8282\u70b9\u662f\u8be5\u8282\u70b9\u7684\u5b50\u8282\u70b9\uff08children\uff09<\/p>\n
\u540c\u4e00\u5c42\u6b21\uff0c\u5177\u6709\u76f8\u540c\u7236\u8282\u70b9\u7684\u8282\u70b9\u662f\u5144\u5f1f\u8282\u70b9\uff08sibling\uff09<\/p>\n
\u4e00\u4e2a\u8282\u70b9\u7684\u4e0b\u4e00\u4e2a\u5c42\u6b21\u7684\u8282\u70b9\u96c6\u5408\u662f\u8282\u70b9\u540e\u4ee3(descendant)<\/p>\n
\u7236\u3001\u7956\u7236\u8282\u70b9\u53ca\u6240\u6709\u4f4d\u4e8e\u8282\u70b9\u4e0a\u9762\u7684\uff0c\u90fd\u662f\u8282\u70b9\u7684\u7956\u5148(ancestor)<\/p>\n
b.\u5173\u4e8enode\u5bf9\u8c61\u7684\u89e3\u91ca\u5982\u4e0b<\/p>\n
Node\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5e38\u91cf\u6765\u4ee3\u8868\u7ed3\u70b9\u7684\u7c7b\u578b\uff0c\u5f53\u5f00\u53d1\u4eba\u5458\u83b7\u5f97\u67d0\u4e2aNode\u7c7b\u578b\u540e\uff0c\u5c31\u53ef\u4ee5\u628aNode\u8282\u70b9\u8f6c\u6362\u6210\u76f8\u5e94\u7684\u8282\u70b9\u5bf9\u8c61(Node\u7684\u5b50\u7c7b\u5bf9\u8c61)\uff0c\u4ee5\u4fbf\u4e8e\u8c03\u7528\u5176\u7279\u6709\u7684\u65b9\u6cd5\u3002\uff08\u67e5\u770bAPI\u6587\u6863\uff09<\/p>\n
Node\u5bf9\u8c61\u63d0\u4f9b\u4e86\u76f8\u5e94\u7684\u65b9\u6cd5\u53bb\u83b7\u5f97\u5b83\u7684\u7236\u7ed3\u70b9\u6216\u5b50\u7ed3\u70b9\u3002\u7f16\u7a0b\u4eba\u5458\u901a\u8fc7\u8fd9\u4e9b\u65b9\u6cd5\u5c31\u53ef\u4ee5\u8bfb\u53d6\u6574\u4e2aXML\u6587\u6863\u7684\u5185\u5bb9\u3001\u6216\u6dfb\u52a0\u3001\u4fee\u6539\u3001\u5220\u9664XML\u6587\u6863\u7684\u5185\u5bb9\u4e86\u3002<\/p>\n
c.DOM\u89e3\u6790xml\u6587\u4ef6<\/p>\n
2\uff09SAX\u89e3\u6790<\/p>\n
\u5728\u4f7f\u7528 DOM \u89e3\u6790 XML \u6587\u6863\u65f6\uff0c\u9700\u8981\u8bfb\u53d6\u6574\u4e2aXML \u6587\u6863\uff0c\u5728\u5185\u5b58\u4e2d\u6784\u67b6\u4ee3\u8868\u6574\u4e2a DOM \u6811\u7684Doucment\u5bf9\u8c61\uff0c\u4ece\u800c\u518d\u5bf9XML\u6587\u6863\u8fdb\u884c\u64cd\u4f5c\u3002\u6b64\u79cd\u60c5\u51b5\u4e0b\uff0c\u5982\u679c XML \u6587\u6863\u7279\u522b\u5927\uff0c\u5c31\u4f1a\u6d88\u8017\u8ba1\u7b97\u673a\u7684\u5927\u91cf\u5185\u5b58\uff0c\u5e76\u4e14\u5bb9\u6613\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u3002<\/p>\n
SAX\u89e3\u6790\u5141\u8bb8\u5728\u8bfb\u53d6\u6587\u6863\u7684\u65f6\u5019\uff0c\u5373\u5bf9\u6587\u6863\u8fdb\u884c\u5904\u7406\uff0c\u800c\u4e0d\u5fc5\u7b49\u5230\u6574\u4e2a\u6587\u6863\u88c5\u8f7d\u5b8c\u624d\u4f1a\u6587\u6863\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n
SAX\u91c7\u7528\u4e8b\u4ef6\u5904\u7406\u7684\u65b9\u5f0f\u89e3\u6790XML\u6587\u4ef6\uff0c\u5229\u7528 SAX \u89e3\u6790 XML \u6587\u6863\uff0c\u6d89\u53ca\u4e24\u4e2a\u90e8\u5206\uff1a\u89e3\u6790\u5668\u548c\u4e8b\u4ef6\u5904\u7406\u5668\uff1a<\/p>\n
a.\u89e3\u6790\u5668\u53ef\u4ee5\u4f7f\u7528JAXP\u7684API\u521b\u5efa\uff0c\u521b\u5efa\u51faSAX\u89e3\u6790\u5668\u540e\uff0c\u5c31\u53ef\u4ee5\u6307\u5b9a\u89e3\u6790\u5668\u53bb\u89e3\u6790\u67d0\u4e2aXML\u6587\u6863\u3002\u89e3\u6790\u5668\u91c7\u7528SAX\u65b9\u5f0f\u5728\u89e3\u6790\u67d0\u4e2aXML\u6587\u6863\u65f6\uff0c\u5b83\u53ea\u8981\u89e3\u6790\u5230XML\u6587\u6863\u7684\u4e00\u4e2a\u7ec4\u6210\u90e8\u5206\uff0c\u90fd\u4f1a\u53bb\u8c03\u7528\u4e8b\u4ef6\u5904\u7406\u5668\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u89e3\u6790\u5668\u5728\u8c03\u7528\u4e8b\u4ef6\u5904\u7406\u5668\u7684\u65b9\u6cd5\u65f6\uff0c\u4f1a\u628a\u5f53\u524d\u89e3\u6790\u5230\u7684xml\u6587\u4ef6\u5185\u5bb9\u4f5c\u4e3a\u65b9\u6cd5\u7684\u53c2\u6570\u4f20\u9012\u7ed9\u4e8b\u4ef6\u5904\u7406\u5668\u3002<\/p>\n
b.\u4e8b\u4ef6\u5904\u7406\u5668\u7531\u7a0b\u5e8f\u5458\u7f16\u5199\uff0c\u7a0b\u5e8f\u5458\u901a\u8fc7\u4e8b\u4ef6\u5904\u7406\u5668\u4e2d\u65b9\u6cd5\u7684\u53c2\u6570\uff0c\u5c31\u53ef\u4ee5\u5f88\u8f7b\u677e\u5730\u5f97\u5230sax\u89e3\u6790\u5668\u89e3\u6790\u5230\u7684\u6570\u636e\uff0c\u4ece\u800c\u53ef\u4ee5\u51b3\u5b9a\u5982\u4f55\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u3002<\/p>\n
\uff08\u56db\uff09XML\u89e3\u6790\u5f00\u53d1\u5305Dom4j<\/p>\n
(1) Dom4j\u7b80\u5355\u4ecb\u7ecd<\/p>\n
Dom4j\u662f\u4e00\u4e2a\u7b80\u5355\u3001\u7075\u6d3b\u7684\u5f00\u653e\u6e90\u4ee3\u7801\u7684\u5e93\u3002Dom4j\u662f\u7531\u65e9\u671f\u5f00\u53d1JDOM\u7684\u4eba\u5206\u79bb\u51fa\u6765\u800c\u540e\u72ec\u7acb\u5f00\u53d1\u7684\u3002\u4e0eJDOM\u4e0d\u540c\u7684\u662f\uff0cdom4j\u4f7f\u7528\u63a5\u53e3\u548c\u62bd\u8c61\u57fa\u7c7b\uff0c\u867d\u7136Dom4j\u7684API\u76f8\u5bf9\u8981\u590d\u6742\u4e00\u4e9b\uff0c\u4f46\u5b83\u63d0\u4f9b\u4e86\u6bd4JDOM\u66f4\u597d\u7684\u7075\u6d3b\u6027\u3002<\/p>\n
Dom4j\u662f\u4e00\u4e2a\u975e\u5e38\u4f18\u79c0\u7684Java XML API\uff0c\u5177\u6709\u6027\u80fd\u4f18\u5f02\u3001\u529f\u80fd\u5f3a\u5927\u548c\u6781\u6613\u4f7f\u7528\u7684\u7279\u70b9\u3002\u73b0\u5728\u5f88\u591a\u8f6f\u4ef6\u91c7\u7528\u7684Dom4j\uff0c\u4f8b\u5982Hibernate\uff0c\u5305\u62ecsun\u516c\u53f8\u81ea\u5df1\u7684JAXM\u4e5f\u7528\u4e86Dom4j\u3002<\/p>\n
\u6ce8\u610f\uff1a\u4f7f\u7528Dom4j\u5f00\u53d1\uff0c\u9700\u4e0b\u8f7ddom4j\u76f8\u5e94\u7684jar\u6587\u4ef6\u3002<\/p>\n
\uff082\uff09Dom4j\u4f7f\u7528<\/p>\n
a.DOM4j\u4e2d\uff0c\u83b7\u5f97Document\u5bf9\u8c61\u7684\u65b9\u5f0f\u6709\u4e09\u79cd\uff1a<\/p>\n
1.\u8bfb\u53d6XML\u6587\u4ef6,\u83b7\u5f97document\u5bf9\u8c61 <\/p>\n
SAXReader reader = new SAXReader();<\/p>\n
Document document = reader.read(new File(“input.xml”));<\/p>\n
2.\u89e3\u6790XML\u5f62\u5f0f\u7684\u6587\u672c,\u5f97\u5230document\u5bf9\u8c61.<\/p>\n
String text =”<members><\/members>”;<\/p>\n
Document document = DocumentHelper.parseText(text);<\/p>\n
3.\u4e3b\u52a8\u521b\u5efadocument\u5bf9\u8c61.<\/p>\n
Document document =DocumentHelper.createDocument();<\/p>\n
\/\/\u521b\u5efa\u6839\u8282\u70b9<\/p>\n
Element root =document.addElement(“members”);<\/p>\n
b.\u8282\u70b9\u5bf9\u8c61<\/p>\n
1.\u83b7\u53d6\u6587\u6863\u7684\u6839\u8282\u70b9.<\/p>\n
Element root =document.getRootElement();<\/p>\n
2.\u53d6\u5f97\u67d0\u4e2a\u8282\u70b9\u7684\u5b50\u8282\u70b9.<\/p>\n
Element element=node.element(\u201c\u4e66\u540d”);<\/p>\n
3.\u53d6\u5f97\u8282\u70b9\u7684\u6587\u5b57<\/p>\n
String text=node.getText();<\/p>\n
4.\u53d6\u5f97\u67d0\u8282\u70b9\u4e0b\u6240\u6709\u540d\u4e3a\u201cmember\u201d\u7684\u5b50\u8282\u70b9\uff0c\u5e76\u8fdb\u884c\u904d\u5386.<\/p>\n
List nodes =rootElm.elements(“member”);<\/p>\n
for (Iterator it = nodes.iterator();it.hasNext();) {<\/p>\n
Element elm =(Element) it.next();<\/p>\n
\/\/ do something<\/p>\n
}<\/p>\n
5.\u5bf9\u67d0\u8282\u70b9\u4e0b\u7684\u6240\u6709\u5b50\u8282\u70b9\u8fdb\u884c\u904d\u5386.<\/p>\n
for(Iteratorit=root.elementIterator();it.hasNext();){<\/p>\n
Elementelement = (Element) it.next();<\/p>\n
\/\/do something<\/p>\n
}<\/p>\n
6.\u5728\u67d0\u8282\u70b9\u4e0b\u6dfb\u52a0\u5b50\u8282\u70b9.<\/p>\n
Element ageElm = newMemberElm.addElement(“age”);<\/p>\n
7.\u8bbe\u7f6e\u8282\u70b9\u6587\u5b57.<\/p>\n
element.setText(“29”);<\/p>\n
8.\u5220\u9664\u67d0\u8282\u70b9.<\/p>\n
\/\/childElm\u662f\u5f85\u5220\u9664\u7684\u8282\u70b9,parentElm\u662f\u5176\u7236\u8282\u70b9<\/p>\n
parentElm.remove(childElm);<\/p>\n
9.\u6dfb\u52a0\u4e00\u4e2aCDATA\u8282\u70b9.<\/p>\n
Element contentElm = infoElm.addElement(“content\u201d)<\/p>\n
c.\u8282\u70b9\u5bf9\u8c61\u5c5e\u6027<\/p>\n
1.\u53d6\u5f97\u67d0\u8282\u70b9\u4e0b\u7684\u67d0\u5c5e\u6027<\/p>\n
Elementroot=document.getRootElement(); <\/p>\n
\/\/\u5c5e\u6027\u540dname<\/p>\n
Attributeattribute=root.attribute(“size”);<\/p>\n
2.\u53d6\u5f97\u5c5e\u6027\u7684\u6587\u5b57<\/p>\n
Stringtext=attribute.getText();<\/p>\n
3.\u5220\u9664\u67d0\u5c5e\u6027<\/p>\n
Attributeattribute=root.attribute(“size”);<\/p>\n
root.remove(attribute);<\/p>\n
3.\u904d\u5386\u67d0\u8282\u70b9\u7684\u6240\u6709\u5c5e\u6027<\/p>\n
Elementroot=document.getRootElement(); <\/p>\n
for(Iteratorit=root.attributeIterator();it.hasNext();){<\/p>\n
Attributeattribute = (Attribute) it.next();<\/p>\n
Stringtext=attribute.getText();<\/p>\n
System.out.println(text);<\/p>\n
}<\/p>\n
4.\u8bbe\u7f6e\u67d0\u8282\u70b9\u7684\u5c5e\u6027\u548c\u6587\u5b57.<\/p>\n
newMemberElm.addAttribute(“name”, “sitinspring”);<\/p>\n
5.\u8bbe\u7f6e\u5c5e\u6027\u7684\u6587\u5b57<\/p>\n
Attributeattribute=root.attribute(“name”);<\/p>\n
attribute.setText(“sitinspring”);<\/p>\n
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