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@melice
Last active October 29, 2016 08:50
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getQueryString
function getQueryString(name) {
location.href.replace("#", "");
// 如果链接没有参数,或者链接中不存在我们要获取的参数,直接返回空
if (location.href.indexOf("?") == -1 || location.href.indexOf(name + '=') == -1) {
return '';
}
// 获取链接中参数部分
var queryString = location.href.substring(location.href.indexOf("?") + 1);
// 分离参数对 ?key=value&key2=value2
var parameters = queryString.split("&");
var pos, paraName, paraValue;
for (var i = 0; i <= parameters.length; i++) {
// 获取等号位置
pos = parameters[i].split('=');
if (pos == -1) {
continue;
}
// 获取name 和 value
paraName = pos[0];
paraValue = pos[1];
// 如果查询的name等于当前name,就返回当前值,同时,将链接中的+号还原成空格
if (paraName == name) {
return decodeURIComponent(paraValue.replace(/\+/g, " "));
}
}
return '';
}
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