//paraName 等找参数的名称
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function getUrlParam(paraName) {
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var url = document.location.toString();
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var arrObj = url.split("?");
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if (arrObj.length > 1) {
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var arrPara = arrObj[1].split("&");
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var arr;
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for (var i = 0; i < arrPara.length; i++) {
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arr = arrPara[i].split("=");
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if (arr != null && arr[0] == paraName) {
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return arr[1];
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}
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}
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return "";
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}
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else {
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return "";
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}
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}
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