当前页面: 开发资料首页 → JSP 专题 → jsp生成xml文件示例
jsp生成xml文件示例
摘要: jsp生成xml文件示例
<%@ page contentType="text/html; charset=gb2312" %>
<%@ page language="java"%>
<%@ page info="database handler"%>
<%@ page import="java.io.*"%>
<%@ page import="java.lang.*"%>
<%@ page import="java.util.*"%>
<%@ page import="java.sql.*"%>
<%@ page import="javax.servlet.*"%>
<%@ page import="javax.servlet.http.*"%>
<head>
</head>
<body>
<%
int i=0;
String temp=null;
String parCode = request.getParameter("code");
String strSql;
try{
Connection con;
Statement stmt;
ResultSet rs;
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
String url="jdbc:oracle:thin:@192.168.15.248:1521:ycdb";
con=DriverManager.getConnection(url,"webcfcquery","kill859");
//out.println("jdbc连接Oracle数据库
");
stmt=con.createStatement();
strSql = "select account_holder,description from account_holder ";
if(parCode!=null)
strSql += " where account_holder='"+ parCode +"'";
rs=stmt.executeQuery(strSql);
FileOutputStream fo=new FileOutputStream("/usr/local/tomcat/webapps/vehicles/treasurer_voucher.xml");
PrintStream so = new PrintStream(fo);
while(rs.next()){
String col1=rs.getString(1);
String col2=rs.getString(2);
try{
if(i==0){
so.println("<?xml version=\"1.0\" encoding=\"gb2312\" ?>");
so.println("");
so.println("");
// 注意：这种写法在xml文件显示时会报错，不知道为什么？ so.println(""+col1+" ");
so.print("");
if(col2==null) {//如果不判断对象col2是否为null值，那么在进行编码转换时可能会出现NullPointerException异常
so.print(col2);
} else {//因为前面已经定义xml文件的编码显示方式是gb2312，所以在将字符串col2写入xml之前需转换成gb2312，这样在xml文件中汉字才能正常显示。
byte[] temp_col = col2.getBytes("gb2312");
col2 = new String(temp_col);
so.print(col2);
}
so.println(" ");
}
}catch(Exception e){
out.println(e.toString());
}
i++;
}
so.println(" ");
so.println(" ");
so.close();
}catch(Exception e){
out.println(e);
}
%>
</body>