Java与XML（三）WEB上的读写应用

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

<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);%

readxml my = new readxml();

A = my.toRead(mypath);

for (int i = 0; i < A.size(); i++) {

out.println(A.elementAt(i));

}

</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。