Javascript 如何在 Jquery Mobile 中的两个页面之间传递和获取参数?

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时间:2020-08-24 02:48:59  来源:igfitidea点击:

How to pass and get Parameters between two Pages in Jquery Mobile?

javascriptjqueryparametersjquery-mobile

提问by Sahil Grover

I am working on a some demo App to learn things in Jquery Mobile. I have tried a lot of options but not able to get solution on a few things :-

我正在开发一些演示应用程序来学习 Jquery Mobile 中的内容。我尝试了很多选择,但无法解决一些问题:-

  1. http://jsfiddle.net/sahil20grover1988/zZMXQ/48/In this case when i add paramwith Urlin Index pageit is not directing to Search Page
  2. In case if I dont add Params to Index pagethen how do I pass paramsfrom Index pageto Search page.
  3. Also I need help how to retrieve the Paramsin search page??
  1. http://jsfiddle.net/sahil20grover1988/zZMXQ/48/在这种情况下,当我在索引页面中添加带有Url 的参数时,它不是指向搜索页面
  2. 如果我不将参数添加到索引页面,那么我如何将参数索引页面传递到搜索页面
  3. 另外我需要帮助如何在搜索页面中检索参数

回答by Phill Pafford

Does this help?

这有帮助吗?

JS

JS

$('#page2').live('pageshow', function(event, ui) {
    alert('Page 2 - CID: ' + getParameterByName('cid'));
});

function getParameterByName(name) {
    var match = RegExp('[?&]' + name + '=([^&]*)').exec(window.location.search);
    return match && decodeURIComponent(match[1].replace(/\+/g, ' '));
}

HTML

HTML

<div data-role="page" id="home">
    <div data-role="content">
        <ul data-role="listview" data-inset="true" data-theme="c" data-dividertheme="f">
            <li data-role="list-divider">
                Home Page
            </li>
            <li>
                <a href="?cid=1234#page2" rel="external">Page 2</a>
            </li>
        </ul>                
    </div>
</div>
<!-- page 2 -->
<div data-role="page" id="page2">
    <div data-role="content">
        <ul data-role="listview" data-inset="true" data-theme="c" data-dividertheme="f">
            <li data-role="list-divider">
                Page 2
            </li>
            <li>
                <a href="?cid=4321#home">Home Page</a>
            </li>
        </ul>
    </div>
</div>

回答by Joel Erenberg

I came up with this simple approach...

我想出了这个简单的方法......

First add custom HTML5 attributes to the elements on page 1 to hold the data to be passed. My attribute is named data-parm

首先向第 1 页上的元素添加自定义 HTML5 属性以保存要传递的数据。我的属性被命名data-parm

<div data-role="page" id="one">
    <div data-role="content">
        <ul data-role="listview" data-theme="c">
        <li><a data-parm="john" href="#two">one</a></li>
        <li><a data-parm="mary" href="#two">two</a></li>
        <li><a data-parm="sue" href="#two">three</a></li>
        </ul>
    </div>
</div>   

<div data-role="page" id="two">
    <div data-role="content">
        <div id="showParmHere"></div>
    </div>
</div>

In your javascript, create a click handler (or other type of handler) that selects the attribute and assigns the value to a variable which will be available for you on page 2.

在您的 javascript 中,创建一个点击处理程序(或其他类型的处理程序)来选择属性并将值分配给一个变量,该变量将在第 2 页上为您提供。

For this example, I have added it to the html of a div that is on page 2.

对于本示例,我已将其添加到第 2 页上的 div 的 html 中。

$("a").on("click", function (event) {

   var parm = $(this).attr("data-parm");
   //do something here with parameter on page 2 (or any page in the dom)
   $("#showParmHere").html(parm);

});

回答by daniel_mutu

To pass valor with url in jQuery mobile you can use rel="external"...

要在 jQuery mobile 中使用 url 传递 valor,您可以使用 rel="external"...

Example:

例子:

<a id="l" href="index.html?id='1234'#dateA" rel="external">

You can see: http://demos.jquerymobile.com/1.2.0/docs/pages/page-links.html

你可以看到:http: //demos.jquerymobile.com/1.2.0/docs/pages/page-links.html

回答by Crazy Doc

I stumbled on this question because the same issue, but think I found an easier way. At least if you use the "pagebeforechange" event. That's where I tried the solution so far.

我偶然发现了这个问题,因为同样的问题,但我想我找到了一个更简单的方法。至少如果您使用“pagebeforechange”事件。到目前为止,这就是我尝试解决方案的地方。

You can get the search string from the second parameter of the pageonchange event function by this object path: ".options.link.context.search". I hope the example code is enough to explain it.

您可以通过此对象路径从 pageonchange 事件函数的第二个参数中获取搜索字符串:“.options.link.context.search”。我希望示例代码足以解释它。

$(document).live("pagebeforechange", function(e, secondparameter) {
  alert(secondparameter.options.link.context.search);
});

回答by Cameron Askew

I created a solution for jQM 1.4+ which allows parameters to be passed through the URL. This works quite nicely if you want the user to be able to go directly to a page with parameters (say from an e-mail), or if the user refreshes the page.

我为 jQM 1.4+ 创建了一个解决方案,它允许通过 URL 传递参数。如果您希望用户能够直接转到带有参数的页面(例如从电子邮件中),或者如果用户刷新页面,这将非常有效。

It's under the MIT license and you can find it here on GitHub.

它在 MIT 许可下,您可以在 GitHub 上找到它。