【JSP开源代码栏目提醒】:网学会员--在 JSP开源代码编辑为广大网友搜集整理了:8-2.jsp绩等信息,祝愿广大网友取得需要的信息,参考学习。
<%@ page contentType="text/html;charset=GBK" %>
<%@ page language="java" import="javax.xml.parsers.*"%>
<%@ page import="org.w3c.dom.*" %>
<%@ page import="java.io.*" %>
<%@ page import="java.util.*" %>
<%@ page import="javax.xml.transform.*" %>
<%@ page import="javax.xml.transform.dom.DOMSource" %>
<%@ page import="javax.xml.transform.stream.StreamResult" %>
<%!
String str = "";
int totalRecord = 1;
NodeList links = null;
Document doc = null;
%>
<%
request.setCharacterEncoding("GBK");
// 取得输入资料
String Name = request.getParameter("Name");
String Email = request.getParameter("Email");
String HomePage = request.getParameter("HomePage");
String Memo = request.getParameter("Memo");
String Time = (new Date()).toString();
String ID = "";
String filename = getServletConfig().getServletContext().getRealPath ( "list.xml" );
try {
// 为解析XML文件创建DOM对象
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder=factory.newDocumentBuilder();
doc=builder.parse(new File( filename ));
// 初始化
doc.normalize();
// 得到节点集合
links =doc.getElementsByTagName("list");
totalRecord = links.getLength();
Element el = (Element)links.item( totalRecord - 1 );
// 自动计算出新增元素的ID值
ID = "" + (Integer.parseInt(el.getElementsByTagName("id").item(0).getFirstChild().getNodeValue()) + 1);
}catch(Exception e) {
out.println("访问XML文件出错!");
return;
}
// 判断是否正确填写留言
if(Name == null || Name.equals("") || Email == null || Email.equals("") || Memo == null || Memo.equals("")) {
out.println("<BODY BGCOLOR='#FFCCCC'>");
out.println("<CENTER><FONT SIZE='4'><B>请将表单填完整!</B></FONT><BR>");
out.println("、E-mail、留言为必填项!");
return; // 停止处理以下程序
}
// 下面构造一组新的节点
try{
Element root = doc.getDocumentElement();
Node node_list = doc.createElement("list");
Node node_id = (Node) doc.createElement("id");
Node tmp1 = doc.createTextNode("tmp1");
tmp1.setNodeValue( ID );
node_id.appendChild(tmp1);
Node node_name = doc.createElement("username");
Node tmp2 = doc.createTextNode("tmp2");
tmp2.setNodeValue( Name );
node_name.appendChild(tmp2);
Node node_time = doc.createElement("time");
Node tmp3 = doc.createTextNode("tmp3");
tmp3.setNodeValue( Time );
node_time.appendChild(tmp3);
Node node_homepage = doc.createElement("homepage");
Node tmp4 = doc.createTextNode("tmp4");
tmp4.setNodeValue( HomePage );
node_homepage.appendChild(tmp4);
Node node_email = doc.createElement("email");
Node tmp5 = doc.createTextNode("tmp5");
tmp5.setNodeValue( Email );
node_email.appendChild(tmp5);
Node node_context = doc.createElement("context");
Node tmp6 = doc.createTextNode("tmp6");
tmp6.setNodeValue( Memo );
node_context.appendChild(tmp6);
node_list.appendChild( node_id );
node_list.appendChild( node_name );
node_list.appendChild( node_time );
node_list.appendChild( node_homepage );
node_list.appendChild( node_email );
node_list.appendChild( node_context );
root.appendChild(node_list);
TransformerFactory tFactory =TransformerFactory.newInstance();
Transformer transformer = tFactory.newTransformer();
DOMSource source = new DOMSource(doc);
StreamResult result = new StreamResult(new java.io.File( filename ));
transformer.transform(source, result);
}catch(Exception e){
e.printStackTrace();
}
out.println("留言添加完毕!");
%>
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