js获取url中参数(乱码已解决)

function GetQueryString(name)
{
     var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)", "i");
     var r =  window.location.search.substr(1).match(reg); 
     if (r != null) return decodeURIComponent(r[2]); return null; 
}

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转载自blog.csdn.net/lizhongde112/article/details/79072701
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