WebRoot/goumai/goumai_update.jsp

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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<%@ page import="com.util.*"%>

<%
DBO db=new DBO();
request.setCharacterEncoding("gb2312");
ResultSet rs=null;
String sql="";
int row=1;
//	String keyid=(String)request.getParameter("keyid"); 
		String keyid =(String)request.getParameter("keyid");
String cl=(String)request.getParameter("cl");//车辆
String yh=(String)request.getParameter("yh");//用户
String gm=(String)request.getParameter("gm");//购买
String sl=(String)request.getParameter("sl");//数量
String dz=(String)request.getParameter("dz");//地址
String lxdh=(String)request.getParameter("lxdh");//联系电话
String zt=(String)request.getParameter("zt");//状态

/*
.购买修改后台页面


*/	
 
sql="update goumai set cl='"+cl+"',yh='"+yh+"',gm='"+gm+"',sl='"+sl+"',dz='"+dz+"',lxdh='"+lxdh+"',zt='"+zt+"' where gmid='"+keyid+"'";

 //int row=0;

try{
		
			
		 row=db.update(sql);
}catch(Exception e){
System.out.println(e.toString());}
if(row==1){
out.println("<script>");
out.println("alert('操作成功');");
out.println("window.location='goumailist.jsp'");
out.println("</script>");
}else{
out.println("<script>");
out.println("alert('操作失败');");
out.println("window.location='goumailist.jsp'");
out.println("</script>");
}
db.close();
%>