JQuery权限管理

    <title></title>
    <script src="JS/jquery-1.7.1.js"></script>
    <script type="text/javascript">
        var RemoveDisabled = function () {
            $('#btnAllRemove,#btnRemove').attr('disabled', 'disabled');
        };
        var RemoveEnabled = function () {
            $('#btnAllRemove,#btnRemove').removeAttr('disabled');
        };
        var AddDisabled = function () {
            $('#btnAllAdd,#btnAdd').attr('disabled', 'disabled');
        };
        var AddEnabled = function () {
            $('#btnAllAdd,#btnAdd').removeAttr('disabled');
        };
        var RemoveSort = function () {

        };
        var AddSort = function () {

        };
        $(function () {
            RemoveDisabled();
            //var OtherSelected = $('#Other :selected').val();
            $('#btnAllAdd').click(function () {
                $('#Other option').each(function () {
                    //多次运行的代码
                    if ($(this).val() != "FC") {
                        $(this).appendTo($('#Owner'));
                    }
                });
                if ($('#Other option').length > 0)
                    $('#Other option').prependTo($('#Owner'));
                AddDisabled();
                RemoveEnabled();
            });
            $('#btnAdd').click(function () {
                $('#Other :selected').each(function () {
                    if ($(this).val() == "FC") {
                        $(this).prependTo($('#Owner'));
                        $('#btnAllAdd').click();
                        return false;
                    }
                    else {
                        $('#Owner').append($('#Other :selected').remove());
                    }
                });
                if ($('#Other option').length == 0) {
                    AddDisabled();
                } else {
                    RemoveEnabled();
                }
                //alert(.val())//.appendTo($('#Owner'));
            });
            $('#btnRemove').click(function () {
                //不用each()实现太困难;
                $('#Owner :selected').each(function () {
                    $(this).appendTo($('#Other'));
                    if ($('#Owner [value=FC]').length > 0) {
                        $('#Owner [value=FC]').prependTo($('#Other'));
                    }
                });
                if ($('#Owner option').length == 0) {
                    RemoveDisabled();
                }
                else {
                    AddEnabled();
                }
            });
            $('#btnAllRemove').click(function () {
                $('#Other').append($('#Owner option'));
                AddEnabled();
                RemoveDisabled();
            });
            //var Other=$('#Other option:selected').
        });
    </script>
</head>
<body>
    <table>
        <tr>
            <td rowspan="4">
                <select id="Other" multiple="multiple" style="height: 110px;">
                    <option value="FC">完全控制</option>
                    <option>修改</option>
                    <option>读取和执行</option>
                    <option>写入</option>
                    <option>读取</option>
                </select>
            </td>
            <td>
                <input type="button" value=">>" id="btnAllAdd" /><br />
            </td>

            <td rowspan="4">
                <select id="Owner" multiple="multiple" style="height: 110px;">
                </select></td>
        </tr>
        <tr>
            <td>
                <input type="button" value=">" id="btnAdd" /><br />
            </td>

        </tr>
        <tr>
            <td>
                <input type="button" value="<" id="btnRemove" /><br />
            </td>
            <td></td>
        </tr>
        <tr>
            <td>
                <input type="button" value="<<" id="btnAllRemove" /></td>
        </tr>
    </table>
</body>