📄 result.java
字号:
/*
* result.java
*
* Created on 2007年11月23日, 下午8:02
*/
package cart;
import com.sun.crypto.provider.RSACipher;
import java.io.*;
import java.net.*;
import dbpack.dbConnect;
import java.sql.SQLException;
import javax.servlet.*;
import javax.servlet.http.*;
/**
*
* @author weiyunbo
* @version
*/
public class result extends HttpServlet {
/** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
* @param request servlet request
* @param response servlet response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
/* TODO output your page here
out.println("<html>");
out.println("<head>");
out.println("<title>Servlet result</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Servlet result at " + request.getContextPath () + "</h1>");
out.println("</body>");
out.println("</html>");
*/
HttpSession session=request.getSession(true);
java.util.Vector vect=(java.util.Vector)session.getAttribute("cartVector");
int i=0;
int total=0;
dbConnect db=new dbConnect();
String userid="";
String foodid="";
int money=0;
boolean isok=true;
try {
for(i=0;i<vect.size();i++){
cartInfo cat=(cartInfo)vect.get(i);
userid=cat.getUserid();
total=total+Integer.parseInt(cat.getFoodprice())*Integer.parseInt(cat.getFoodnum());
}
db.rs=db.sat.executeQuery("select money from member where id=1");
while(db.rs.next()){
money=Integer.parseInt(db.rs.getString("money"));
if(money<total){
String error="你的金额不足，请找管理员充值";
session.setAttribute("error",error);
db.doClose();
isok=false;
//
}
}
if(isok){
for(i=0;i<vect.size();i++){
cartInfo cat=(cartInfo)vect.get(i);
total=total+Integer.parseInt(cat.getFoodprice())*Integer.parseInt(cat.getFoodnum());
foodid=cat.getFoodid();
db.sat.executeUpdate("insert into orders(userid,foodid,foodprice,foodnum) values ("+cat.getFoodid()+","+cat.getFoodid()+","+cat.getFoodprice()+","+cat.getFoodnum()+")");
}
}
} catch (NumberFormatException ex) {
ex.printStackTrace();
} catch (SQLException ex) {
ex.printStackTrace();
}
db.doClose();
java.util.Vector vc=new java.util.Vector();
session.setAttribute("cartVector",vc);
response.sendRedirect("result.jsp?total="+total+"&ok="+isok);
out.close();
}
// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/** Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/** Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}
/** Returns a short description of the servlet.
*/
public String getServletInfo() {
return "Short description";
}
// </editor-fold>
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -