锁定表头和固定列(Fixed table head and columns)

源码:

/// <summary>
///     锁定表头和列
///     <para> sorex.cnblogs.com </para>
/// </summary>
/// <param name="TableID" type="String">
///     要锁定的Table的ID
/// </param>
/// <param name="FixColumnNumber" type="Number">
///     要锁定列的个数
/// </param>
/// <param name="width" type="Number">
///     显示的宽度
/// </param>
/// <param name="height" type="Number">
///     显示的高度
/// </param>
function FixTable(TableID, FixColumnNumber, width, height) {
    if ($("#" + TableID + "_tableLayout").length != 0) {
        $("#" + TableID + "_tableLayout").before($("#" + TableID));
        $("#" + TableID + "_tableLayout").empty();
    }
    else {
        $("#" + TableID).after("<div id='" + TableID + "_tableLayout' style='overflow:hidden;height:" + height + "px; " + width + "px;'></div>");
    }
    $('<div id="' + TableID + '_tableFix"></div>'
    + '<div id="' + TableID + '_tableHead"></div>'
    + '<div id="' + TableID + '_tableColumn"></div>'
    + '<div id="' + TableID + '_tableData"></div>').appendTo("#" + TableID + "_tableLayout");
    var oldtable = $("#" + TableID);
    var tableFixClone = oldtable.clone(true);
    tableFixClone.attr("id", TableID + "_tableFixClone");
    $("#" + TableID + "_tableFix").append(tableFixClone);
    var tableHeadClone = oldtable.clone(true);
    tableHeadClone.attr("id", TableID + "_tableHeadClone");
    $("#" + TableID + "_tableHead").append(tableHeadClone);
    var tableColumnClone = oldtable.clone(true);
    tableColumnClone.attr("id", TableID + "_tableColumnClone");
    $("#" + TableID + "_tableColumn").append(tableColumnClone);
    $("#" + TableID + "_tableData").append(oldtable);
    $("#" + TableID + "_tableLayout table").each(function () {
        $(this).css("margin", "0");
    });
    var HeadHeight = $("#" + TableID + "_tableHead thead").height();
    HeadHeight += 2;
    $("#" + TableID + "_tableHead").css("height", HeadHeight);
    $("#" + TableID + "_tableFix").css("height", HeadHeight);
    var ColumnsWidth = 0;
    var ColumnsNumber = 0;
    $("#" + TableID + "_tableColumn tr:last td:lt(" + FixColumnNumber + ")").each(function () {
        ColumnsWidth += $(this).outerWidth(true);
        ColumnsNumber++;
    });
    ColumnsWidth += 2;
    if (navigator.appName == "Microsoft Internet Explorer" ) {
        if(navigator.appVersion.match(/7./i) == "7.")
            if (ColumnsNumber >= 3) ColumnsWidth--;

        if(navigator.appVersion.match(/8./i) == "8.")
            if (ColumnsNumber >= 2) ColumnsWidth--;
    }
    
    $("#" + TableID + "_tableColumn").css("width", ColumnsWidth);
    $("#" + TableID + "_tableFix").css("width", ColumnsWidth);
    $("#" + TableID + "_tableData").scroll(function () {
        $("#" + TableID + "_tableHead").scrollLeft($("#" + TableID + "_tableData").scrollLeft());
        $("#" + TableID + "_tableColumn").scrollTop($("#" + TableID + "_tableData").scrollTop());
    });

    function tableWheel(event) {
        var delta = 0;
        if (!event) event = window.event;
        if (event.wheelDelta) {
            delta = event.wheelDelta;
            if (window.opera)
                delta = delta;
        } else if (event.detail) {
            delta = -event.detail * 15;
        }
        var tst = $("#" + TableID + "_tableData").scrollTop() - delta;
        $("#" + TableID + "_tableColumn").scrollTop(tst);
        $("#" + TableID + "_tableData").scrollTop(tst)
    }

    document.getElementById(TableID + "_tableColumn").onmousewheel = function (event) {
        if (!event) event = window.event;
        tableWheel(event);
    }
    document.getElementById(TableID + "_tableColumn").addEventListener("DOMMouseScroll", function (event) {
        if (!event) event = window.event;
        tableWheel(event);
    }, false);

    $("#" + TableID + "_tableFix").css({ "overflow": "hidden", "position": "relative", "z-index": "50", "background-color": "Silver" });
    $("#" + TableID + "_tableHead").css({ "overflow": "hidden", "width": width - 17, "position": "relative", "z-index": "45", "background-color": "Silver" });
    $("#" + TableID + "_tableColumn").css({ "overflow": "hidden", "height": height - 17, "position": "relative", "z-index": "40", "background-color": "#efefef" });
    $("#" + TableID + "_tableData").css({ "overflow": "auto", "width": width, "height": height, "position": "relative", "z-index": "35" });
    if ($("#" + TableID + "_tableHead").width() > $("#" + TableID + "_tableFix table").width()) {
        $("#" + TableID + "_tableHead").css("width", $("#" + TableID + "_tableFix table").width());
        $("#" + TableID + "_tableData").css("width", $("#" + TableID + "_tableFix table").width() + 17);
    }
    if ($("#" + TableID + "_tableColumn").height() > $("#" + TableID + "_tableColumn table").height()) {
        $("#" + TableID + "_tableColumn").css("height", $("#" + TableID + "_tableColumn table").height());
        $("#" + TableID + "_tableData").css("height", $("#" + TableID + "_tableColumn table").height() + 17);
    }
    $("#" + TableID + "_tableFix").offset($("#" + TableID + "_tableLayout").offset());
    $("#" + TableID + "_tableHead").offset($("#" + TableID + "_tableLayout").offset());
    $("#" + TableID + "_tableColumn").offset($("#" + TableID + "_tableLayout").offset());
    $("#" + TableID + "_tableData").offset($("#" + TableID + "_tableLayout").offset());
}
//固定表头
    var curWidth = $(window).width();
    var curHeight = $(window).height();
    FixTable("tblMain", 9, curWidth - 10, curHeight - 90);

 提示:需要先设置table默认宽、高

具体实例来源

建议使用JqGrid或EasyUI等固定表头表列,此例仅供参考学习

原文地址:https://www.cnblogs.com/elves/p/5507161.html