body{margin:;padding:;font-size:12px;font-family:微软雅黑;}

.datagrid{width:100%;}

.datagird tr th{background-color:#191970; font-size:14px;}

.datagrid tr th, .datagrid tr td{border:1px solid #ccc; border-collapse:collapse;}

/* 选中行样式 */

.table-row-selected{background:#fff68f;}

<div id="page">

    <table class="datagrid" cellpadding="0" cellspacing="0">

        <thead>

            <tr>

                <th><input id="CheckAll" name="checkall" type="checkbox" /></th>

                <th>ID</th>

                <th>标题</th>

                <th>发布人</th>

                <th>发布时间</th>

            </tr>

        </thead>

        <tbody>

            <tr>

                <td align="center"><input type="checkbox" name="check" /></td>

                <td align="center" width="5%">1</td>

                <td>阿里做对了哪三件事？</td>

                <td align="center" width="10%">internet</td>

                <td align="center" width="15%">2013-07-01</td>

            </tr>

            <tr>

                <td align="center"><input type="checkbox" name="check" /></td>

                <td align="center" width="5%">2</td>

                <td>大盘点：被互联网改写的16个传统行业</td>

                <td align="center" width="10%">internet</td>

                <td align="center" width="15%">2013-07-01</td>

            </tr>

            <tr>

                <td align="center"><input type="checkbox" name="check" /></td>

                <td align="center" width="5%">3</td>

                <td>如果智能手机市场有变，酷派们怎么办？</td>

                <td align="center" width="10%">internet</td>

                <td align="center" width="15%">2013-07-01</td>

            </tr>

            <tr>

                <td align="center"><input type="checkbox" name="check" /></td>

                <td align="center" width="5%">4</td>

                <td>看看福特们是如何抵御谷歌苹果的？</td>

                <td align="center" width="10%">internet</td>

                <td align="center" width="15%">2013-07-01</td>

            </tr>

        </tbody>

    </table>

</div>

//单击行改变背景色  选中行

$(".datagrid tbody tr").bind("click", function () {

    var oThis = $(this);

    if (oThis.hasClass("table-row-selected")) {

        oThis.removeClass("table-row-selected");

        oThis.children("td:eq(0)").children("input[name='check']").removeAttr("checked");

    } else {

        oThis.addClass("table-row-selected");

        oThis.children("td:eq(0)").children("input[name='check']").attr("checked", "checked");

    }

    var len = $("table.datagrid tbody").find("input[name='check']").length;

    var count = ;

    $("table.datagrid").find("input[name='check']").each(function (i) {

        var That = $(this);

        if (That.prop("checked") == true) {

            count++;

        }

    });

    if (len == count) {

        $("input[name='checkall']").attr("checked", "checked");

    } else {

        $("input[name='checkall']").removeAttr("checked");

    }

});

//全选

$("#CheckAll").bind("click", function () {

    var oThis = $(this);

    if (oThis.prop("checked") == true) {

        $("table.datagrid tbody").find("input[name='check']").attr("checked", "checked");

        $("table.datagrid tbody").find("input[name='check']").parents("tr").addClass("table-row-selected");

    } else {

        $("table.datagrid tbody").find("input[name='check']").removeAttr("checked");

        $("table.datagrid tbody").find("input[name='check']").parents("tr").removeClass("table-row-selected");

    }

});