js获取页面请求参数



var getQueryParameter = function (name) {
        if (typeof name != "string") return;
        var reg = new RegExp("(^|&)" + name.toString().replace(/^\s+|\s+$/g, "") + "=([^&]*)(&|$)", "i");
        var str;
        try {
            str = decodeURI(decodeURI(window.location.search));
        }
        catch (e) {
            str = decodeURI(window.location.search);
        }
        var r = str.replace(/\s+/g, "").substr(1).match(reg);
        if (r != null) return (r[2]);
        return null;
    };
    //获取所有参数列表函数 return object 
    var getQueryParameters = function () {
        var str;
        try {
            str = decodeURI(decodeURI(window.location.search));
        }
        catch (e) {
            str = decodeURI(window.location.search);
        }
        var paramsStr = str.split("?")[1];
        var paramStrList;
        var paramsObj = {};
        if (paramsStr) {
            paramStrList = paramsStr.split("&") || [];
            for (var i = 0; i < paramStrList.length; i++) {
                var paramObj = paramStrList[i].split("=");
                paramsObj[paramObj[0]] = paramObj[1];
            }
        }
        return paramsObj;

    };

// Helper function to parse query string (e.g. ?param1=value&parm2=...).
  function pdfViewParseQueryString(query) {
    var parts = query.split('&');
    var params = {};
    for (var i = 0, ii = parts.length; i < ii; ++i) {
      var param = parts[i].split('=');
      var key = param[0].toLowerCase();
      var value = param.length > 1 ? param[1] : null;
      params[decodeURIComponent(key)] = decodeURIComponent(value);
    }
    return params;
  }