lottery_005fballot_jsp.java
来自「手机在线系统 采用Java 中的J2ME, JSP 跟MySql 运行环」· Java 代码 · 共 161 行
JAVA
161 行
package org.apache.jsp.football.football_005flottery;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import com.j2me.data.*;
public final class lottery_005fballot_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=gb2312");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n");
out.write("\r\n");
out.write("\r\n");
out.write("<HTML>\r\n");
out.write("\r\n");
out.write("<HEAD>\r\n");
out.write("\r\n");
out.write("<TITLE> New Document </TITLE>\r\n");
out.write("\r\n");
out.write("</HEAD>\r\n");
out.write("\r\n");
out.write("<BODY>\r\n");
/**
* @(#)lottery_ballot.jsp 1.11 01/08/23
* Copyright (c) 2004-2005 wuhua of workroom Inc. All Rights Reserved.
* @version 1.0, 10/05/2004
* @author 饶荣庆
* @author 余煜辉
*/
/*
*此文件用于获得手机客户端发送用户ID，并判断此ID是否存在，如果不存在则不给他投注，
*存在则可以，并把用户投注的信息保存到数据库中
*/
FootBall foot = null; //数据库对象类，连接后用来显示数据，插入数据。
String[] data = new String[6]; //字符串对象用来保存注册用户数据的过段并保存到数据库中
data[0] = request.getParameter("userID"); //获得用户ID
data[1] = request.getParameter("point"); //获得信息
data[2] = request.getParameter("info"); //获得信息
data[3] = request.getParameter("time"); //获得多少注
data[4] = request.getParameter("money"); //获得要交多少钱
data[5] = request.getParameter("ballot"); //获得投注信息
String sql = "insert into lottery_cast values(?, ?, ?, ?, ?, ?);"; //用户插入的数据库语句
String sqlCheck = "select *from lottery_user;"; //查询用户的ID;
boolean hasUser = false;
try
{
foot = new FootBall();
foot.connect(); //连接数据库
}
catch(ClassNotFoundException e)
{
out.println(e.getMessage());
}
catch(SQLException sqlexception)
{
//如果发现异常则输出不为true的信息返回客户端，
out.println(sqlexception.getMessage() + "Error");
}
try
{
/*判断是否是俱乐部成员*/
String userID = null;
ResultSet rs = foot.view(sqlCheck); //显示数据
while (rs.next())
{
userID =rs.getString(1);
if (data[0].trim().compareTo(userID) == 0)
{
hasUser = true; //如果密码与用户名匹配，则输出true
break;
}
}
}
catch(SQLException sqlexception)
{
out.println(sqlexception.getMessage()); //输出连接错误
}
try
{
/*保存数据*/
if(hasUser == false)// && data[0].compareTo("") == 0 && data[1].compareTo("") == 0 && data[2].compareTo("") == 0 && data[3].compareTo("") == 0 && data[4].compareTo("") == 0)
{
out.println("Error");
}
else
{
foot.insertData(sql, data, 0, 6); //执行SQL语句
out.println("true"); //如果操作成功则输出true
}
}
catch(SQLException sqlexception)
{
//如果发现异常则输出不为true的信息返回客户端，
out.println(sqlexception.getMessage() + "Error1");
}
//注销连接
foot.disconnect();
out.write("\r\n");
out.write("\r\n");
out.write("</BODY>\r\n");
out.write("</HTML>\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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