关于qq竞拍价格实现的一个源代码

来源：互联网发布：网络教学平台发展趋势编辑：程序博客网时间：2024/05/02 01:37

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<script>
function total(){
//获取竞拍价格

var num1=document.form1.num1.value;
//获得购买数量
var num2=document.form1.num2.value;

if (isNaN(num1)) {
alert("请正确填写竞拍价格 ");}

else{

if (isNaN(num2)) {
alert ("请正确填写购买数量");}

else{

if(num1>=0&&num2>=0){
//计总价值

if(num1!=""&&num2!=""){

var youhui=document.form1.youhui.value;
   var zhekou;
   switch(parseInt(youhui)){

         case 6:
                 zhekou=0.6;break;
       case 7:
                 zhekou=0.7;break;
       case 8:
                 zhekou=0.8;break;
       case 9:
                 zhekou=0.9;break;

         default:
            alert("请选择折扣！");

   }

//计算总价并且重新设置总价的值
document.form1.zong.value=num1*num2*zhekou;
var ttotal=num1*num2*zhekou
if(ttotal>500&&ttotal<=1000){
alert("奖励qq会员");
}
if(ttotal>1000&&ttotal<=2000){
alert("奖励鼠标一个");
}
if(ttotal>2000){
alert("免费办理vip");
}
}
else{
alert("竞拍价格或者购买数量为空请填写！！")
}
}else{
alert("请正确填写！！！")
}}}
}
</script>
</head>

<body>
<form name="form1">
<table width="200" border="0" align="center">
<tr>
    <td colspan="2"><img src="logo.JPG" /></td>
   </tr>
<tr>
    <td width="66">竟拍价格</td>
    <td width="170"><input type="text" name="num1" /></td>
</tr>
<tr>
    <td>购买数量</td>
    <td><input type="text" name="num2"></td>
</tr>
<tr>
    <td>竞拍总价</td>
    <td><input type="text" name="zong"></td>
</tr>
<tr>
    <td> </td>
    <td><input type="button" name="button" value="计算看看" onclick="total()"></td>
</tr>
<tr>
   <td>享受优惠</td>
   <td><select name="youhui">
       <option value="6"> 6</option>
       <option value="7"> 7</option>
       <option value="8"> 8</option>
       <option value="9"> 9</option>

   </select>   </td>
</tr>
</table>
</form>
</body>
</html>