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  • 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.*"%>
    <html>
    <head>
    <meta content="text/html; charset=gb2312" http-equiv="content-type">
    </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("<center>jdbc连接Oracle数据库</center><br><br>");
    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("<ufinterface roottag=/"voucher/" billtype=/"gl/" subtype=/"/" replace=/"Y/" receiver=/"1051/" sender=/"1101/" isexchange=/"Y/" filename=/"会计凭证.xml/">");
    so.println("<voucher id=/"1234560102/">");


    // 注意:这种写法在xml文件显示时会报错,不知道为什么? so.println("<custcode>"+col1+"</custcode>");
    so.print("<custcode>");
    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("</custcode>");

    }
    }catch(Exception e){
    out.println(e.toString());
    }
    i++;
    }
    so.println("</voucher>");
    so.println("</ufinterface>");
    so.close();
    }catch(Exception e){
    out.println(e);
    }
    %>
    </body>
    </html>

     
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  • 原文地址:https://www.cnblogs.com/encounter/p/2189257.html
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