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社区首页 >问答首页 >提交表单/按钮，而不使用Jquery或AJAX刷新页面

问提交表单/按钮，而不使用Jquery或AJAX刷新页面
EN

Stack Overflow用户
提问于 2013-07-08 03:01:40
回答 1查看 531关注 0票数 1

昨天我试着通过在线资源学习PHP。我有一个简单的程序(下面的代码)，这是启动和运行。我遇到的最后一个问题是，当我单击submit按钮时，整个页面会重新加载。

我想寻求你的帮助如何消除这一事件。是否可以通过不重新加载整个页面来执行php脚本？

我在网上读过几篇文章，文章说可以用ajax来完成。不幸的是，我不知道怎么做，因为我仍然是一个超级初学者。(lol)

代码语言：javascript
复制
<form method="POST">
Salary: <input id="salarytext" type="text" name="salary" onkeypress="return isNumberKey(event)"><br>
Membership Type:
<select name="membershiptype">
        <option value="employed">Employed</option>
        <option value="SE">Self Employed</option>
        <option value="VM">Voluntary Member</option>
        <option value="OFW">OFW</option>
</select>

<br/>

<input type="submit" />

</form>

<div class="SSSContributionComputation">
<?php

$a = (isset($_POST['salary'])) ? $_POST['salary'] : '';
$b = (isset($_POST['membershiptype'])) ? $_POST['membershiptype'] : '';


function employed($a, $b) {

if (empty ($a)) {echo "Type in your Salary to see the results.";}
elseif ($a <= 1249.99) {echo "Your Employer's (ER) Contribution is P80.70.<br>Your Contribution (EE) is P33.30.<br>Total amount credited to your SSS Account is P114.00";}
elseif ($a <= 1749.99) {echo "Your Employer's (ER) Contribution is P116.00.<br>Your Contribution (EE) is P50.00.<br>Total amount credited to your SSS Account is P166.00";}
elseif ($a <= 2249.99) {echo "Your Employer's (ER) Contribution is P151.30.<br>Your Contribution (EE) is P66.70.<br>Total amount credited to your SSS Account is P218.00";}
elseif ($a <= 2749.99) {echo "Your Employer's (ER) Contribution is P186.70.<br>Your Contribution (EE) is P83.30.<br>Total amount credited to your SSS Account is P270.00";}
elseif ($a <= 3249.99) {echo "Your Employer's (ER) Contribution is P222.00.<br>Your Contribution (EE) is P100.00.<br>Total amount credited to your SSS Account is P322.00";}
elseif ($a <= 3749.99) {echo "Your Employer's (ER) Contribution is P257.30.<br>Your Contribution (EE) is P116.70.<br>Total amount credited to your SSS Account is P374.00";}
elseif ($a <= 4249.99) {echo "Your Employer's (ER) Contribution is P292.70.<br>Your Contribution (EE) is P133.30.<br>Total amount credited to your SSS Account is P426.00";}
elseif ($a <= 4749.99) {echo "Your Employer's (ER) Contribution is P328.00.<br>Your Contribution (EE) is P150.00.<br>Total amount credited to your SSS Account is P478.00";}
elseif ($a <= 5249.99) {echo "Your Employer's (ER) Contribution is P363.30.<br>Your Contribution (EE) is P166.70.<br>Total amount credited to your SSS Account is P530.00";}
elseif ($a <= 5749.99) {echo "Your Employer's (ER) Contribution is P398.70.<br>Your Contribution (EE) is P183.30.<br>Total amount credited to your SSS Account is P582.00";}
elseif ($a <= 6249.99) {echo "Your Employer's (ER) Contribution is P434.00.<br>Your Contribution (EE) is P200.00.<br>Total amount credited to your SSS Account is P634.00";}
elseif ($a <= 6749.99) {echo "Your Employer's (ER) Contribution is P469.30.<br>Your Contribution (EE) is P216.70.<br>Total amount credited to your SSS Account is P686.00";}
elseif ($a <= 7249.99) {echo "Your Employer's (ER) Contribution is P504.70.<br>Your Contribution (EE) is P233.30.<br>Total amount credited to your SSS Account is P738.00";}
elseif ($a <= 7749.99) {echo "Your Employer's (ER) Contribution is P540.00.<br>Your Contribution (EE) is P250.00.<br>Total amount credited to your SSS Account is P790.00";}
elseif ($a <= 8249.99) {echo "Your Employer's (ER) Contribution is P575.30.<br>Your Contribution (EE) is P266.70.<br>Total amount credited to your SSS Account is P842.00";}
elseif ($a <= 8749.99) {echo "Your Employer's (ER) Contribution is P610.70.<br>Your Contribution (EE) is P283.30.<br>Total amount credited to your SSS Account is P894.00";}
elseif ($a <= 9249.99) {echo "Your Employer's (ER) Contribution is P646.00.<br>Your Contribution (EE) is P300.00.<br>Total amount credited to your SSS Account is P946.00";}
elseif ($a <= 9749.99) {echo "Your Employer's (ER) Contribution is P681.30.<br>Your Contribution (EE) is P316.70.<br>Total amount credited to your SSS Account is P998.00";}
elseif ($a <= 10249.99) {echo "Your Employer's (ER) Contribution is P716.70.<br>Your Contribution (EE) is P333.30.<br>Total amount credited to your SSS Account is P1,050.00";}
elseif ($a <= 10749.99) {echo "Your Employer's (ER) Contribution is P752.00.<br>Your Contribution (EE) is P350.00.<br>Total amount credited to your SSS Account is P1,102.00";}
elseif ($a <= 11249.99) {echo "Your Employer's (ER) Contribution is P787.30.<br>Your Contribution (EE) is P366.70.<br>Total amount credited to your SSS Account is P1,154.00";}
elseif ($a <= 11749.99) {echo "Your Employer's (ER) Contribution is P822.70.<br>Your Contribution (EE) is P383.30.<br>Total amount credited to your SSS Account is P1,206.00";}
elseif ($a <= 12249.99) {echo "Your Employer's (ER) Contribution is P858.00.<br>Your Contribution (EE) is P400.00.<br>Total amount credited to your SSS Account is P1,258.00";}
elseif ($a <= 12749.99) {echo "Your Employer's (ER) Contribution is P893.30.<br>Your Contribution (EE) is P416.70.<br>Total amount credited to your SSS Account is P1,310.00";}
elseif ($a <= 13249.99) {echo "Your Employer's (ER) Contribution is P928.70.<br>Your Contribution (EE) is P433.30.<br>Total amount credited to your SSS Account is P1,362.00";}
elseif ($a <= 13749.99) {echo "Your Employer's (ER) Contribution is P964.00.<br>Your Contribution (EE) is P450.00.<br>Total amount credited to your SSS Account is P1,414.00";}
elseif ($a <= 14249.99) {echo "Your Employer's (ER) Contribution is P999.30.<br>Your Contribution (EE) is P466.70.<br>Total amount credited to your SSS Account is P1,466.00";}
elseif ($a <= 14749.99) {echo "Your Employer's (ER) Contribution is P1,034.70.<br>Your Contribution (EE) is P483.30.<br>Total amount credited to your SSS Account is P1,518.00";}
elseif ($a <= 30000.00) {echo "Your Employer's (ER) Contribution is P1,090.00.<br>Your Contribution (EE) is P500.00.<br>Total amount credited to your SSS Account is P1,590.00";}
elseif ($a > 30000) {echo "You reached the maximum!<br>Your Employer's (ER) Contribution is P1,090.00.<br>Your Contribution (EE) is P500.00.<br>Total amount credited to your SSS Account is P1,590.00";}

}

function sevmofw($a, $b) {

if (empty ($a)) {echo "Type in your Salary to see the results.";}
elseif ($a <= 1249.99) {echo "Your Total Contribution (EE) is P104.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 1749.99) {echo "Your Total Contribution (EE) is P156.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 2249.99) {echo "Your Total Contribution (EE) is P208.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 2749.99) {echo "Your Total Contribution (EE) is P260.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 3249.99) {echo "Your Total Contribution (EE) is P312.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 3749.99) {echo "Your Total Contribution (EE) is P364.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 4249.99) {echo "Your Total Contribution (EE) is P416.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 4749.99) {echo "Your Total Contribution (EE) is P468.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 5249.99) {echo "Your Total Contribution (EE) is P520.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 5749.99) {echo "Your Total Contribution (EE) is P572.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 6249.99) {echo "Your Total Contribution (EE) is P624.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 6749.99) {echo "Your Total Contribution (EE) is P676.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 7249.99) {echo "Your Total Contribution (EE) is P728.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 7749.99) {echo "Your Total Contribution (EE) is P780.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 8249.99) {echo "Your Total Contribution (EE) is P832.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 8749.99) {echo "Your Total Contribution (EE) is P884.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 9249.99) {echo "Your Total Contribution (EE) is P936.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 9749.99) {echo "Your Total Contribution (EE) is P988.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 10249.99) {echo "Your Total Contribution (EE) is P1,040.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 10749.99) {echo "Your Total Contribution (EE) is P1,092.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 11249.99) {echo "Your Total Contribution (EE) is P1,144.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 11749.99) {echo "Your Total Contribution (EE) is P1,196.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 12249.99) {echo "Your Total Contribution (EE) is P1,248.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 12749.99) {echo "Your Total Contribution (EE) is P1,300.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 13249.99) {echo "Your Total Contribution (EE) is P1,352.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 13749.99) {echo "Your Total Contribution (EE) is P1,404.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 14249.99) {echo "Your Total Contribution (EE) is P1,456.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 14749.99) {echo "Your Total Contribution (EE) is P1,508.<br>This amount will be credited to your SSS Account.";}
elseif ($a <= 30000.00) {echo "Your Total Contribution (EE) is P1,560.<br>This amount will be credited to your SSS Account.";}
elseif ($a > 30000) {echo "You reached the maximum!<br>Your Total Contribution (EE) is P1,560.<br>This amount will be credited to your SSS Account.";}


}


if ($b == 'employed') {
    employed($a, $b); //Pass the variables into the function from the outside.
}
elseif ($b == 'SE') {
    sevmofw($a, $b);
}
elseif ($b == 'VM') {
    sevmofw($a, $b);
}
elseif ($b == 'OFW') {
    sevmofw($a, $b);
}


?>
ajax
javascript
EN

回答 1

Stack Overflow用户

发布于 2013-07-08 03:35:17

实际上，我建议您在这个应用程序中不需要PHP。

PHP是一种在web服务器上运行的脚本语言。只有当有人从web服务器请求PHP文件时，php才能执行代码。这可以同步完成(比如通过按submit键提交表单)或异步完成(比如使用AJAX模式，它使用javascript从服务器请求页面)。

当您需要与服务器上的其他资源(如文件或数据库)交互时，PHP是很棒的。在上面的代码中，您只需要一点逻辑，基于此，您需要在页面上显示一些内容。

通过将所有逻辑移到javascript中，您可以轻松地完成这一任务。JavaScript在页面加载后在用户的has浏览器中运行，因此它可以在不向服务器发送请求的情况下更改页面。

PHP可以实现您的目标。但是，如果您不希望页面刷新，那么javascript是一个更自然的适合。

它看起来像这样(尽管代码也可以变得更短)：

代码语言：javascript
复制
<script>
function processForm(){
    var membershiptype = document.getElementById('membershiptype').options[document.getElementById('membershiptype').selectedIndex].value;
    if(membershiptype == 'employed'){
        employed();
    }else{
        sevmofw();
    }
}
function employed() {
    //get the value from the form
    var sal = document.getElementById('salarytext').value;
    var message =  "Type in your Salary to see the results.";
if (sal <= 1249.99) {message = "Your Employer's (ER) Contribution is P80.70.<br>Your Contribution (EE) is P33.30.<br>Total amount credited to your SSS Account is P114.00";}
elseif (sal <= 1749.99) {message = "Your Employer's (ER) Contribution is P116.00.<br>Your Contribution (EE) is P50.00.<br>Total amount credited to your SSS Account is P166.00";}
elseif (sal <= 2249.99) {message = "Your Employer's (ER) Contribution is P151.30.<br>Your Contribution (EE) is P66.70.<br>Total amount credited to your SSS Account is P218.00";}
elseif (sal <= 2749.99) {message = "Your Employer's (ER) Contribution is P186.70.<br>Your Contribution (EE) is P83.30.<br>Total amount credited to your SSS Account is P270.00";}
elseif (sal <= 3249.99) {message = "Your Employer's (ER) Contribution is P222.00.<br>Your Contribution (EE) is P100.00.<br>Total amount credited to your SSS Account is P322.00";}
elseif (sal <= 3749.99) {message = "Your Employer's (ER) Contribution is P257.30.<br>Your Contribution (EE) is P116.70.<br>Total amount credited to your SSS Account is P374.00";}
elseif (sal <= 4249.99) {message = "Your Employer's (ER) Contribution is P292.70.<br>Your Contribution (EE) is P133.30.<br>Total amount credited to your SSS Account is P426.00";}
elseif (sal <= 4749.99) {message = "Your Employer's (ER) Contribution is P328.00.<br>Your Contribution (EE) is P150.00.<br>Total amount credited to your SSS Account is P478.00";}
elseif (sal <= 5249.99) {message = "Your Employer's (ER) Contribution is P363.30.<br>Your Contribution (EE) is P166.70.<br>Total amount credited to your SSS Account is P530.00";}
elseif (sal <= 5749.99) {message = "Your Employer's (ER) Contribution is P398.70.<br>Your Contribution (EE) is P183.30.<br>Total amount credited to your SSS Account is P582.00";}
elseif (sal <= 6249.99) {message = "Your Employer's (ER) Contribution is P434.00.<br>Your Contribution (EE) is P200.00.<br>Total amount credited to your SSS Account is P634.00";}
elseif (sal <= 6749.99) {message = "Your Employer's (ER) Contribution is P469.30.<br>Your Contribution (EE) is P216.70.<br>Total amount credited to your SSS Account is P686.00";}
elseif (sal <= 7249.99) {message = "Your Employer's (ER) Contribution is P504.70.<br>Your Contribution (EE) is P233.30.<br>Total amount credited to your SSS Account is P738.00";}
elseif (sal <= 7749.99) {message = "Your Employer's (ER) Contribution is P540.00.<br>Your Contribution (EE) is P250.00.<br>Total amount credited to your SSS Account is P790.00";}
elseif (sal <= 8249.99) {message = "Your Employer's (ER) Contribution is P575.30.<br>Your Contribution (EE) is P266.70.<br>Total amount credited to your SSS Account is P842.00";}
elseif (sal <= 8749.99) {message = "Your Employer's (ER) Contribution is P610.70.<br>Your Contribution (EE) is P283.30.<br>Total amount credited to your SSS Account is P894.00";}
elseif (sal <= 9249.99) {message = "Your Employer's (ER) Contribution is P646.00.<br>Your Contribution (EE) is P300.00.<br>Total amount credited to your SSS Account is P946.00";}
elseif (sal <= 9749.99) {message = "Your Employer's (ER) Contribution is P681.30.<br>Your Contribution (EE) is P316.70.<br>Total amount credited to your SSS Account is P998.00";}
elseif (sal <= 10249.99) {message = "Your Employer's (ER) Contribution is P716.70.<br>Your Contribution (EE) is P333.30.<br>Total amount credited to your SSS Account is P1,050.00";}
elseif (sal <= 10749.99) {message = "Your Employer's (ER) Contribution is P752.00.<br>Your Contribution (EE) is P350.00.<br>Total amount credited to your SSS Account is P1,102.00";}
elseif (sal <= 11249.99) {message = "Your Employer's (ER) Contribution is P787.30.<br>Your Contribution (EE) is P366.70.<br>Total amount credited to your SSS Account is P1,154.00";}
elseif (sal <= 11749.99) {message = "Your Employer's (ER) Contribution is P822.70.<br>Your Contribution (EE) is P383.30.<br>Total amount credited to your SSS Account is P1,206.00";}
elseif (sal <= 12249.99) {message = "Your Employer's (ER) Contribution is P858.00.<br>Your Contribution (EE) is P400.00.<br>Total amount credited to your SSS Account is P1,258.00";}
elseif (sal <= 12749.99) {message = "Your Employer's (ER) Contribution is P893.30.<br>Your Contribution (EE) is P416.70.<br>Total amount credited to your SSS Account is P1,310.00";}
elseif (sal <= 13249.99) {message = "Your Employer's (ER) Contribution is P928.70.<br>Your Contribution (EE) is P433.30.<br>Total amount credited to your SSS Account is P1,362.00";}
elseif (sal <= 13749.99) {message = "Your Employer's (ER) Contribution is P964.00.<br>Your Contribution (EE) is P450.00.<br>Total amount credited to your SSS Account is P1,414.00";}
elseif (sal <= 14249.99) {message = "Your Employer's (ER) Contribution is P999.30.<br>Your Contribution (EE) is P466.70.<br>Total amount credited to your SSS Account is P1,466.00";}
elseif (sal <= 14749.99) {message = "Your Employer's (ER) Contribution is P1,034.70.<br>Your Contribution (EE) is P483.30.<br>Total amount credited to your SSS Account is P1,518.00";}
elseif (sal <= 30000.00) {message = "Your Employer's (ER) Contribution is P1,090.00.<br>Your Contribution (EE) is P500.00.<br>Total amount credited to your SSS Account is P1,590.00";}
elseif (sal > 30000) {message = "You reached the maximum!<br>Your Employer's (ER) Contribution is P1,090.00.<br>Your Contribution (EE) is P500.00.<br>Total amount credited to your SSS Account is P1,590.00";}

document.getElementById('message').innerText = message;
}

function sevmofw() {
    //get the value from the form
    var sal = document.getElementById('salarytext').value;
    var message =  "Type in your Salary to see the results.";
if (sal <= 1249.99) {message = "Your Total Contribution (EE) is P104.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 1749.99) {message = "Your Total Contribution (EE) is P156.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 2249.99) {message = "Your Total Contribution (EE) is P208.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 2749.99) {message = "Your Total Contribution (EE) is P260.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 3249.99) {message = "Your Total Contribution (EE) is P312.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 3749.99) {message = "Your Total Contribution (EE) is P364.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 4249.99) {message = "Your Total Contribution (EE) is P416.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 4749.99) {message = "Your Total Contribution (EE) is P468.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 5249.99) {message = "Your Total Contribution (EE) is P520.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 5749.99) {message = "Your Total Contribution (EE) is P572.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 6249.99) {message = "Your Total Contribution (EE) is P624.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 6749.99) {message = "Your Total Contribution (EE) is P676.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 7249.99) {message = "Your Total Contribution (EE) is P728.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 7749.99) {message = "Your Total Contribution (EE) is P780.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 8249.99) {message = "Your Total Contribution (EE) is P832.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 8749.99) {message = "Your Total Contribution (EE) is P884.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 9249.99) {message = "Your Total Contribution (EE) is P936.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 9749.99) {message = "Your Total Contribution (EE) is P988.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 10249.99) {message = "Your Total Contribution (EE) is P1,040.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 10749.99) {message = "Your Total Contribution (EE) is P1,092.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 11249.99) {message = "Your Total Contribution (EE) is P1,144.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 11749.99) {message = "Your Total Contribution (EE) is P1,196.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 12249.99) {message = "Your Total Contribution (EE) is P1,248.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 12749.99) {message = "Your Total Contribution (EE) is P1,300.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 13249.99) {message = "Your Total Contribution (EE) is P1,352.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 13749.99) {message = "Your Total Contribution (EE) is P1,404.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 14249.99) {message = "Your Total Contribution (EE) is P1,456.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 14749.99) {message = "Your Total Contribution (EE) is P1,508.<br>This amount will be credited to your SSS Account.";}
elseif (sal <= 30000.00) {message = "Your Total Contribution (EE) is P1,560.<br>This amount will be credited to your SSS Account.";}
elseif (sal > 30000) {message = "You reached the maximum!<br>Your Total Contribution (EE) is P1,560.<br>This amount will be credited to your SSS Account.";}

document.getElementById('message').innerText = message;
}
</script>

<form method="POST">
Salary: <input id="salarytext" type="text" name="salary" onkeypress="return isNumberKey(event)"><br>
Membership Type:
<select name="membershiptype">
        <option value="employed">Employed</option>
        <option value="SE">Self Employed</option>
        <option value="VM">Voluntary Member</option>
        <option value="OFW">OFW</option>
</select>

<br/>

<input type="button" value="submit" onClick="processForm();"/>

</form>

<div class="SSSContributionComputation" id="message"></div>
票数 1
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/17518626

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