Home Web Front-end JS Tutorial javascript 分享一个获取url get参数的方法

javascript 分享一个获取url get参数的方法

Jun 01, 2016 am 09:54 AM
js url parameter Obtain

本函数使用到了javascript中的indexOf方法和split方法。具体代码如下:

<code class="language-javascript">function getPara(para) {
    if (location.href.indexOf("?") == -1) {
        // 没有参数,则Do nothing.  
        return null;
    } else {
        // 取得GET请求?号后面的字符串  
        var urlQuery = location.href.split("?");
        if (urlQuery[1].indexOf("&") == -1) { //只有一个参数  
            if (urlQuery[1].indexOf("=") == -1) {
                //没有等号,没有参数,则Do nothing  
                return null;
            } else {
                var keyValue = urlQuery[1].split("=");
                var key = keyValue[0];
                var value = keyValue[1];
                if (key == para) {
                    return value;
                }
            }
        } else {
            // 解析参数  
            var urlTerms = urlQuery[1].split("&");
            for (var i = 0; i </code>
Copy after login

直接调用getPara函数即可获取某个url的参数。

本文章的js/html/php/css代码均可以复制到这个页面进行在线调试,你不妨试一下。

http://www.manongjc.com/runcode

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