jquery 怎么求table 中TextBox值的和,百分比结贴, #

jquery 如何求table 中TextBox值的和,百分比结贴, 在线等 ###################
jquery 怎么求table 中TextBox值的和,百分比结贴,  #

文本框change事件中,我要获取总的数量,。比如我刚这里填1 ,然后我要获取 前面 入库单ID 和仓单名称相同的所有文本框的值, 也就是 21和1的和。 第三行填77,这里  入库单ID 和仓单名称相同的只有这一条, 所以和也是77.

下面是 这个table的代码,, 在线等, 
<tr>
                                          <th width="15%" class="xd" style="text-align: center;">
                                    入库单ID
                                </th> 
                              <th width="15%" class="xd" style="text-align: center;">
                                    仓库名称
                                </th> 
                                <th width="15%" class="xd" style="text-align: center;">
                                    仓位名称
                                </th> 
                                
                                 <th width="15%" class="xd">
                                    仓单发布数量
                                </th>
                                <th width="15%" class="xd">
                                    理论可取数量
                                </th>
                                <th width="15%" class="xd">
                                    实际出库数量
                                </th>
                                <th width="25%" class="xd">
                                </th>
                                <td width="*">
                                </td>
                            </tr>
                        
                            <tr class="trtemplate">
                               <td class="a13" style="text-align: center;">
                                    27
                                </td>
                              <td class="a13" style="text-align: center;">
                                    上海-闵行
                                </td>
                                <td class="a13" style="text-align: center;">
                                    A002
                                    <input type="hidden" name="rpGoodsData$ctl01$hidweatid" id="rpGoodsData_hidweatid_0" value="69" />
                                </td>
                                
                                
                                <td class="a13">
                                    25.0
                                </td>
                                <td class="a13">
                                    40.0
                                </td>
                                
                                <td class="a13">
                                    <input name="rpGoodsData$ctl01$txtnum" type="text" id="rpGoodsData_txtnum_0" onkeypress="return event.keyCode>=48&amp;&amp;event.keyCode&lt;=57||event.keyCode==46" onpaste="return !clipboardData.getData(&#39;text&#39;).match(^[0-9]+([.]{1}[0-9]{1,3})?$)" ondragenter="return false" />
                                    <span id="rpGoodsData_RegularExpressionValidator2_0" style="color:Red;visibility:hidden;">(最多输入三位小数)</span>
                                </td>
                                <td class="a13" align="left">
                                    <label style="color: Red;">
                                    </label>
                                </td>
                                <td width="*">
                                </td>
                            </tr>
                        
                            <tr class="trtemplate">
                               <td class="a13" style="text-align: center;">
                                    27
                                </td>
                              <td class="a13" style="text-align: center;">
                                    上海-闵行
                                </td>
                                <td class="a13" style="text-align: center;">
                                    A003
                                    <input type="hidden" name="rpGoodsData$ctl02$hidweatid" id="rpGoodsData_hidweatid_1" value="70" />
                                </td>
                                
                                
                                <td class="a13">
                                    25.0
                                </td>
                                <td class="a13">
                                    70.0
                                </td>
                                
                                <td class="a13">
                                    <input name="rpGoodsData$ctl02$txtnum" type="text" id="rpGoodsData_txtnum_1" onkeypress="return event.keyCode>=48&amp;&amp;event.keyCode&lt;=57||event.keyCode==46" onpaste="return !clipboardData.getData(&#39;text&#39;).match(^[0-9]+([.]{1}[0-9]{1,3})?$)" ondragenter="return false" />
                                    <span id="rpGoodsData_RegularExpressionValidator2_1" style="color:Red;visibility:hidden;">(最多输入三位小数)</span>
                                </td>
                                <td class="a13" align="left">
                                    <label style="color: Red;">
                                    </label>
                                </td>
                                <td width="*">
                                </td>
                            </tr>
                        
                            <tr class="trtemplate">
                               <td class="a13" style="text-align: center;">
                                    27
                                </td>
                              <td class="a13" style="text-align: center;">
                                    仁义镇幸福村
                                </td>
                                <td class="a13" style="text-align: center;">
                                    A001
                                    <input type="hidden" name="rpGoodsData$ctl03$hidweatid" id="rpGoodsData_hidweatid_2" value="65" />
                                </td>
                                
                                
                                <td class="a13">
                                    200.0
                                </td>
                                <td class="a13">
                                    105.0
                                </td>
                                
                                <td class="a13">
                                    <input name="rpGoodsData$ctl03$txtnum" type="text" id="rpGoodsData_txtnum_2" onkeypress="return event.keyCode>=48&amp;&amp;event.keyCode&lt;=57||event.keyCode==46" onpaste="return !clipboardData.getData(&#39;text&#39;).match(^[0-9]+([.]{1}[0-9]{1,3})?$)" ondragenter="return false" />
                                    <span id="rpGoodsData_RegularExpressionValidator2_2" style="color:Red;visibility:hidden;">(最多输入三位小数)</span>
                                </td>
                                <td class="a13" align="left">
                                    <label style="color: Red;">
                                    </label>
                                </td>
                                <td width="*">
                                </td>
                            </tr>
                        
                            <tr class="trtemplate">
                               <td class="a13" style="text-align: center;">
                                    28
                                </td>
                              <td class="a13" style="text-align: center;">
                                    仁义镇幸福村
                                </td>
                                <td class="a13" style="text-align: center;">
                                    A003
                                    <input type="hidden" name="rpGoodsData$ctl04$hidweatid" id="rpGoodsData_hidweatid_3" value="72" />
                                </td>
                                
                                
                                <td class="a13">
                                    15.0
                                </td>
                                <td class="a13">
                                    85.0
                                </td>
                                
                                <td class="a13">
                                    <input name="rpGoodsData$ctl04$txtnum" type="text" id="rpGoodsData_txtnum_3" onkeypress="return event.keyCode>=48&amp;&amp;event.keyCode&lt;=57||event.keyCode==46" onpaste="return !clipboardData.getData(&#39;text&#39;).match(^[0-9]+([.]{1}[0-9]{1,3})?$)" ondragenter="return false" />
                                    <span id="rpGoodsData_RegularExpressionValidator2_3" style="color:Red;visibility:hidden;">(最多输入三位小数)</span>
                                </td>
                                <td class="a13" align="left">
                                    <label style="color: Red;">
                                    </label>
                                </td>
                                <td width="*">
                                </td>
                            </tr>
                        

------解决思路----------------------
我想问你知道那里有李天生2008的视频吗?谢谢