標籤: javascript

function updateURLParameter(url, param, paramVal)
{
    var TheAnchor = null;
    var newAdditionalURL = “”;
    var tempArray = url.split(“?”);
    var baseURL = tempArray[0];
    var additionalURL = tempArray[1];
    var temp = “”;

    if (additionalURL)
    {
        var tmpAnchor = additionalURL.split(“#”);
        var TheParams = tmpAnchor[0];
            TheAnchor = tmpAnchor[1];
        if(TheAnchor)
            additionalURL = TheParams;

        tempArray = additionalURL.split(“&”);

        for (i=0; i<tempArray.length; i++)
        {
            if(tempArray[i].split(‘=’)[0] != param)
            {
                newAdditionalURL += temp + tempArray[i];
                temp = “&”;
            }
        }      
    }
    else
    {
        var tmpAnchor = baseURL.split(“#”);
        var TheParams = tmpAnchor[0];
            TheAnchor  = tmpAnchor[1];

        if(TheParams)
            baseURL = TheParams;
    }

    if(TheAnchor)
        paramVal += “#” + TheAnchor;

    var rows_txt = temp + “” + param + “=” + paramVal;
    return baseURL + “?” + newAdditionalURL + rows_txt;
}
//var url = ‘http://aaa.bb.cc.tw/index.php#’;
//var test  = updateURLParameter(url, ‘aa’, ‘aaval’);
//var test2  = updateURLParameter(test, ‘bb’, ‘bbval’);
//var test3  = updateURLParameter(test2, ‘cc’, ‘ccval’);
//var test4  = updateURLParameter(test3, ‘bb’, ‘cheng_val’);
//alert(test4);[……]

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