$(document).ready(function () {

    $(".Pub_TB tbody tr:even td").css("background-color", "#dbdbdb"); //隔行换色

    /*************/

    //鼠标滑过的样式

    $(".Pub_TB tbody tr:odd ").attr("bg", "#e8e8e8");

    $(".Pub_TB tbody tr:even").attr("bg", "#dbdbdb");

    $(".Pub_TB tbody tr td").mouseover(function () {

        $(this).parent().find("td").css("background-color", "#bdb9b9");

    });

    $(".Pub_TB tbody tr td").mouseout(function () {

        var bgc = $(this).parent().attr("bg");

        $(this).parent().find("td").css("background-color", bgc);

    });

    /*************/

})

<table class="Pub_TB">

  <tr>

  <th style="width:5%">序号</th>

  <th>项目名称</th>

  <th style="width:10%">送报月份</th>

  <th style="width:15%">送报状态</th>

  <th style="width:20%">提醒方式</th>

  <th style="width:15%">管理</th>

  </tr>

  <tbody>

  <tr>

  <td>01</td>

  <td>川南步行街</td>

  <td>2016.01.01</td>

  <td></td>

  <td><span>短信提醒</span><span>邮箱提醒</span></td>

  <td class="oper"><a href="">[查看]</a>

  <a href="">[修改]</a>

  <a href="">[报送]</a></td>

  </tr>

  <tr>

  <td>01</td>

  <td>川南步行街</td>

  <td>2016.01.01</td>

  <td></td>

  <td><span>短信提醒</span><span>邮箱提醒</span></td>

  <td class="oper"><a href="">[查看]</a>

  <a href="">[修改]</a>

  <a href="">[报送]</a></td>

  </tr>

  <tr>

  <td>01</td>

  <td>川南步行街</td>

  <td>2016.01.01</td>

  <td></td>

  <td><span>短信提醒</span><span>邮箱提醒</span></td>

  <td class="oper"><a href="">[查看]</a>

  <a href="">[修改]</a>

  <a href="">[报送]</a></td>

  </tr>

    </tbody>

  </table>