利用（二）中我写的两个函数（放在package src中），这次实现web页面的操作。
index.html:
<%@ page language="java" pageencoding="gb2312"%>
<body>
<p> </p>
<p> </p>
<p> </p>
<table width="60%" border="1" align="center">
<tr>
<td>
<p align="left"><font size="4" color="#003399">管理测试程序</font></p>
<form name="readform" method=post action="load.jsp">
<p align="left"><font color="#ff0000">读取xml文件： </font></p>
<p align="left"> <font color="#ff0000">
<input type="text" name="mypath" size="50" value="c://eclipse//workspace//myxml//xmldata//1.xml">
</font></p>
<p align="left">
<a href="#" onclick=submit()>读取</a>
</p>
<p align="left"> </p>
</form>
<form name="writeform" method=post action="create.jsp">
<p align="left"><font color="#ff0000">写入xml文件：</font> </p>
<p align="left">请填写路径:
<input type="text" name="mypath" width="100" size="50"
value="c://eclipse//workspace//myxml//xmldata//11.xml">
</p>
<p align="left">请填写题目:
<input type="text" name="mytitle" width="100" size="50">
</p>
<p align="left">请填写内容:
<textarea name="mycontent" cols="100"></textarea>
</p>
<p align="left">
<a href="#" onclick=submit()>写入</a>
</p>
</form>
</td>
</tr>
</table>
</body>
写入的页面create.jsp：
<%@ page language="java" pageencoding="gb2312"%>
<%@ page import="src.*" %>
<%@ page import="org.w3c.dom.*"%>
<%@ page import="javax.xml.parsers.*"%>
<%@ page import="javax.xml.transform.*"%>
<%@ page import="javax.xml.transform.dom.domsource"%>
<%@ page import="javax.xml.transform.stream.streamresult"%>
<%@ page import="java.io.*"%>
<html>
<body>
<%
string mypath=(string)request.getparameter("mypath");
string mytitle=(string)request.getparameter("mytitle");
string mycontent=(string)request.getparameter("mycontent");
mypath=new string(mypath.getbytes("iso-8859-1"),"gb2312");
mytitle=new string(mytitle.getbytes("iso-8859-1"),"gb2312");
mycontent=new string(mycontent.getbytes("iso-8859-1"),"gb2312");
try{
writexml myxml=new writexml(mypath);
myxml.towrite(mytitle,mycontent);
myxml.tosave();
out.print("your writing is successful.");
}
catch(parserconfigurationexception exp){
exp.printstacktrace();
out.print("your writing is failed.");
}
%>
</body>
</html>
读取xml的页面load.jsp：
<%@ page language="java" pageencoding="gb2312"%>
<%@ page import="src.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.vector" %>
<%@ page import="javax.xml.parsers.*" %>
<%@ page import="org.w3c.dom.*" %>
<html>
<body>
<%
vector a=new vector();
string mypath=(string)request.getparameter("mypath");
out.println(mypath);%>
<p>
<%
readxml my = new readxml();
a = my.toread(mypath);
for (int i = 0; i < a.size(); i++) {
out.println(a.elementat(i));
%>
<p>
<%
}
%>
</body>
</html>
这个写程序还有一个缺陷，它只是创建xml格式和内容，而不是改写已有文件。
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