javascript使用onclick函数定向返回页面

Question

I am trying to direct back to a page "jerseyCollection" if there is no value on price of total shop. 如果总店面价格没有价值，我将尝试返回到“ jerseyCollection”页面。 Here is the code. 这是代码。 I am including all the code because I think there is something crashing with onclick="checkOrder()" function which contains code to redirect user back to order page. 我包含所有代码，因为我认为onclick =“ checkOrder（）”函数会崩溃，该函数包含将用户重定向到订单页面的代码。 Here is the code for function. 这是功能代码。 I know checkOrder() works because I have tried it with alert and i know redirecting statement works because I have tried it in other pages, too. 我知道checkOrder（）起作用是因为我已经尝试过使用alert，并且我知道重定向语句也起作用了，因为我也在其他页面中尝试过。 But I just can't figure it out why it is not directing back to the shopping page even with no value in total shopping value.. Please help me figure this out. 但是我无法弄清楚为什么即使总购物价值没有价值，它也不能直接返回购物页面。.请帮助我解决这个问题。 and how to solve this. 以及如何解决这个问题。

function checkOrder(){
var x = document.choice.realTotal.value 
    if (x == false){
        alert ("Please do the shopping");
        window.location.href='jerseyCollection.php';
    }
}

<

    !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=utf-8" />
    <title>Jersey Collection</title>
        <link href="general.css" type="text/css" rel="stylesheet" />
        <style type="text/css">
            table {
                    border: 4px solid #333333; 
                    width: 80%;    
                    margin-left: auto;
                    margin-right: auto; }
            td {
                    padding: 8px;
                    border 1px solid #333333;
                    background-color: #ccc; 
                    text-align: center; }
        </style>
        <script type="text/javascript" src="general.js" />
        </script>
    </head>
<body>
       <div>
        <div id="sidebar">
                <div style="color:#CCC">
                    <h2><a href="index.html">James' NBA Jersey Shop</a></h2>
                </div>
                <div>
                <FORM>
                    <p><INPUT Type="BUTTON" VALUE="Personal Info" ONCLICK="window.location.href='personalInfo.php'" /></p> 
                    <p><INPUT Type="BUTTON" VALUE="Jersey Collection" ONCLICK="window.location.href='jerseyCollection.php'" disabled /></p>
                    <p><INPUT Type="BUTTON" VALUE="Confirmation" ONCLICK="window.location.href='confirmation.php'" disabled /></p>
                    <p><INPUT Type="BUTTON" VALUE="Order" ONCLICK="window.location.href='order.html'" /></p>
                    <br>
                    <p><INPUT Type="reset" VALUE="Reset Order Info" /></p>
                    <br>
                    <br>
                    <p>Web Style Option</p>
                    <p><input name ="stylish" value="DGH" onclick="styleChange('DGH')" type="radio" checked="true" />Dark Gray & Gray & Helvetica</p> 
                    <p><input name ="stylish" value="RON" onclick="styleChange('RON')" type="radio" />Red & Orange & New York</p>  
                    <p><input name ="stylish" value="SBC" onclick="styleChange('SBC')" type="radio" />Sky Blue & Blue & Comic Sans</p> 

                </FORM>
                </div>
            </div>
    <div id="contents">
        <div>
            <h1 class="title">Jersey Collection</h1>      
        </div>
        <form name="choice" action="http://i6.cims.nyu.edu/~jwj243/Assignment5/confirmation.php" method="post">
        <table align="center">
            <tr>
                <td><img src="atlanta_josh_smith.jpg" width="200" height="200"/></td>
                <td><img src="boston_paul_pierce.jpg" width="200" height="200"/></td>
                <td><img src="brooklyn_deron_williams.jpg" width="200" height="200"/></td>
                <td><img src="chicago_derrick_rose.jpg" width="200" height="200"/></td>
            </tr>
            <tr>
                <td>Price: $20<br>Quantity<input name="PROD_ajs_20" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value= 
                <?php if(isset($_COOKIE['name'])) echo $PROD_ajs_20; else echo 0;  ?> ></td>
                <td>Price: $25<br>Quantity<input name="PROD_bpp_25" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) print $PROD_bpp_25; else echo 0;  ?> ></td>
                <td>Price: $25<br>Quantity<input name="PROD_bdw_25" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) print $PROD_bdw_25; else echo 0; ?> ></td>
                <td>Price: $30<br>Quantity<input name="PROD_cdr_30" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) print $PROD_cdr_30; else echo 0; ?> ></td>
            </tr>
            <tr>
                <td><img src="houston_jeremy_lin.jpg" width="200" height="200"/></td>
                <td><img src="la_blake_griffin.jpg" width="200" height="200"/></td>
                <td><img src="la_kobe_bryant.jpg" width="200" height="200"/></td>
                <td><img src="miami_dwyane_wade.jpg" width="200" height="200"/></td>
            </tr>
            <tr>
                <td>Price: $25<br>Quantity<input name="PROD_hjl_25" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_hjl_25; else echo 0; ?>  ></td>
                <td>Price: $30<br>Quantity<input name="PROD_lbg_30" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_lbg_30; else echo 0; ?>  ></td>
                <td>Price: $30<br>Quantity<input name="PROD_lkb_30" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_lkb_30; else echo 0; ?>  ></td>
                <td>Price: $30<br>Quantity<input name="PROD_mdw_30" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_mdw_30; else echo 0; ?>  ></td>
            </tr>
            <tr>
                <td><img src="miami_lebron_james.jpg" width="200" height="200"/></td>
                <td><img src="ny_carmelo_anthony.jpg" width="200" height="200"/></td>
                <td><img src="okc_kevin_durant.jpg" width="200" height="200"/></td>
                <td><img src="orlando_dwight_howard.jpg" width="200" height="200"/></td>
            </tr>
            <tr>
                <td>Price: $35<br>Quantity<input name="PROD_mlj_35" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_mlj_35; else echo 0; ?>  ></td>
                <td>Price: $35<br>Quantity<input name="PROD_nca_35" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_nca_35; else echo 0; ?>  ></td>
                <td>Price: $35<br>Quantity<input name="PROD_okd_35" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_okd_35; else echo 0; ?>  ></td>
                <td>Price: $30<br>Quantity<input name="PROD_odh_30" id="q" size=2 type="text" onChange = "calculateTotal(this.form)" value=
                <?php if(isset($_COOKIE['name'])) echo $PROD_odh_30; else echo 0; ?>  ></td>

            </tr>            

        </table>
        <div>
            <table>
                <tr>
                    <td>Total: <input type="text" id ="realTotal" name="realTotal" size=2 value = <?php if(isset($_COOKIE['name'])) echo $realTotal; ?> ></td>
                    <td><span name="order_total" id="order_total" style="text-align: right; font-size: 20px">$0.00</span></td>
                </tr>
                <tr>
                    <td><input type= "submit" value="Next" onclick="checkOrder()" ><input type="hidden" name="submitted" value ="true" /></td>
                    <td></td>
                </tr>
            </table>
        </div>
        </form>
     <br/><br/><br/><br/><br/><br/><br/>   
    </div>
</div>
</body>
</html>

Answer 1

Try this: 尝试这个：

function checkOrder(){
    var x = document.choice.realTotal.value;
    if (x == false){
        alert ("Please do the shopping");
        window.location.href='jerseyCollection.php';
        return false;
    }
}

In your code, the submit button looks like this: 在您的代码中，“提交”按钮如下所示：

<td><input type= "submit" value="Next" onclick="checkOrder()" ><input type="hidden" name="submitted" value ="true" /></td>

Please change it to: 请更改为：

<td><input type= "submit" value="Next" onclick="return checkOrder()" ><input type="hidden" name="submitted" value ="true" /></td> . <td><input type= "submit" value="Next" onclick="return checkOrder()" ><input type="hidden" name="submitted" value ="true" /></td> 。

javascript使用onclick函数定向返回页面

问题描述

1 个解决方案

解决方案1
1 已采纳 2013-05-07 04:36:25

javascript使用onclick函数定向返回页面

问题描述

1 个解决方案

解决方案1 1 已采纳 2013-05-07 04:36:25

解决方案1
1 已采纳 2013-05-07 04:36:25