jQuery实现表头固定效果的实例代码_jquery

    var obj = document.getElementById("tableHeaderDiv" + tableId);

    if (obj) {

        jQuery(obj).remove();

    }

    var browserName = navigator.appName;

    var ver = navigator.appVersion;

    var browserVersion = parseFloat(ver.substring(ver.indexOf("MSIE") + 5, ver.lastIndexOf("Windows")));

    var content = document.getElementById(tableParentDivId);

    var scrollWidth = content.offsetWidth - content.clientWidth;

    var tableOrg = jQuery("#" + tableId)

    var table = tableOrg.clone();

    table.attr("id", "cloneTable");

    var tableClone = jQuery(tableOrg).find("tr").each(function() {

    });

    var tableHeader = jQuery(tableOrg).find("thead");

    var tableHeaderHeight = tableHeader.height();

    tableHeader.hide();

    var colsWidths = jQuery(tableOrg).find("tbody tr:first td").map(function() {

        return jQuery(this).width();

    });

    var tableCloneCols = jQuery(table).find("thead tr:first td")

    if (colsWidths.size() > 0) {

        for (i = 0; i

            if (i == tableCloneCols.size() - 1) {

                if (browserVersion == 8.0)

                    tableCloneCols.eq(i).width(colsWidths[i] + scrollWidth);

                else

                    tableCloneCols.eq(i).width(colsWidths[i]);

            } else {

                tableCloneCols.eq(i).width(colsWidths[i]);

            }

        }

    }

    var headerDiv = document.createElement("div");

    headerDiv.appendChild(table[0]);

    jQuery(headerDiv).css("height", tableHeaderHeight);

    jQuery(headerDiv).css("overflow", "hidden");

    jQuery(headerDiv).css("z-index", "20");

    jQuery(headerDiv).css("width", "100%");

    jQuery(headerDiv).attr("id", "tableHeaderDiv" + tableId);

    jQuery(headerDiv).insertBefore(tableOrg.parent());

}

        .itemList

        {

            border: solid 1px #cccccc;

            overflow: hidden;

            width: 100%;

            border-collapse: collapse;

        }

        .itemList td

        {

            padding: 0px 0px 0px 0px;

            color: #444444;

            border: solid 1px #cccccc;

            text-align: center;

            line-height: 20px;

        }

        jQuery(function() {

            jQuery.fn.CloneTableHeader("tab1", "div1");

        });