
5

JS获取URL中参数值的4种方法
source link: http://www.fly63.com/article/detial/10501
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.

时间: 2021-07-09阅读: 27标签: url分享
扫一扫分享
方法一:正则法
function getQueryString(name) {
var reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)', 'i');
var r = window.location.search.substr(1).match(reg);
if (r != null) {
return unescape(r[2]);
}
return null;
}
// 这样调用:
alert(GetQueryString("参数名1"));
alert(GetQueryString("参数名2"));
alert(GetQueryString("参数名3"));
方法二:split拆分法
function GetRequest() {
var url = location.search; //获取url中"?"符后的字串
var theRequest = new Object();
if (url.indexOf("?") != -1) {
var str = url.substr(1);
strs = str.split("&");
for(var i = 0; i < strs.length; i ++) {
theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
}
}
return theRequest;
}
var Request = new Object();
Request = GetRequest();
// var 参数1,参数2,参数3,参数N;
// 参数1 = Request['参数1'];
// 参数2 = Request['参数2'];
// 参数3 = Request['参数3'];
// 参数N = Request['参数N'];
方法三:正则(推荐使用)
通过js获取url参数,这个经常用到。比如说一个url:http://wwww.fly63.com/?q=js,我们想得到参数q的值,那可以通过以下函数调用即可。
function GetQueryString(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg); //获取url中"?"符后的字符串并正则匹配
var context = "";
if (r != null)
context = decodeURIComponent(r[2]);
reg = null;
r = null;
return context == null || context == "" || context == "undefined" ? "" : context;
}
alert(GetQueryString("q"));
方法四:单个参数的获取方法
function GetRequest() {
var url = location.search; //获取url中"?"符后的字串
if (url.indexOf("?") != -1) { //判断是否有参数
var str = url.substr(1); //从第一个字符开始 因为第0个是?号 获取所有除问号的所有符串
strs = str.split("="); //用等号进行分隔 (因为知道只有一个参数 所以直接用等号进分隔 如果有多个参数 要用&号分隔 再用等号进行分隔)
alert(strs[1]); //直接弹出第一个参数 (如果有多个参数 还要进行循环的)
}
}
Recommend
About Joyk
Aggregate valuable and interesting links.
Joyk means Joy of geeK