jquery通过ajax获取数据（优化、封装）

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                        <table class="table_1  notop  noright noleft" width="100%">
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                    <table class="table_1 notop  noright noleft" id="tb_2" style="width:100%;"  url="../Service/KJ_XiangMuAjax.aspx?key=ZaiTanXiangMu" sort="desc" order="designerManagerTime"
                        post-data="{‘bumen‘: 0,‘yewuyuan‘:0, ‘search‘:‘‘, ‘datetime‘:‘‘,‘costumType‘:‘‘,‘area‘:‘‘ }">
                         <thead id="thead1">
                                 <tr class="toptr2">
                                    <th colspan="8" class="bdBottom1" data-colspan="8">项目信息</th>
                                    <th colspan="1" class="bdBottom1" data-colspan="1">已收</th>
                                    <th colspan="1" class="bdBottom1" data-colspan="1">应付</th>
                                    <th colspan="1" class="bdBottom1" data-colspan="1">已付</th>                                    
                                    <th colspan="2" class="bdBottom1" data-colspan="2">余额</th>
                                </tr>
                                 <tr  class="thetr">
                                    <th  width="4%" data-col="0" field="RowNumber">序号</th>
                                    <th width="9%" data-col="0"  field="orderNumber">谈单编号</th>                                    
                                    <th width="10%" data-col="0" field="designerManagerTime">交易时间</th>    
                                    <th width="7%" data-col="0"  field="costumType">类型</th>     
                                    <th width="7%" data-col="0"  field="area">面积</th>
                                    <th width="7%" data-col="0"  field="u_xingming">业务员</th>
                                    <th width="7%" data-col="0"  field="zhouqi">进程(天)</th>
                                    <th width="7%" data-col="0"  field="JinDu">当前阶段</th>
                                    <th width="7%" data-col="1"  field="ChuShouJia" format="isFormat" adformat="yh_JiaoYiJinE.aspx"><a class="linkText down"  data-str=‘ChuShouJia‘>交易金额(元)</a></th>
                                    <th width="9%" data-col="2"  field="YingFaXinXiFei" format="isFormat" adformat="yingfu_XinXiFei.aspx"><a class="linkText up" data-str=‘YingFaXinXiFei‘>信息费(元)</a></th>
                                    <th width="9%" data-col="3"  field="ShiFaXinXiFei" format="isFormat" adformat="yifu_XinXiFei.aspx"><a class="linkText down" data-str="ShiFaXinXiFei">信息费(元)</a></th>
                                    <th width="8%" data-col="4"  field="WeiFaXinXiFei"><a class="linkText down" data-str="WeiFaXinXiFei">差额(元)</a></th>
                                    <th class="last" data-col="4"  field="yue"><a class="linkText down" data-str="yue">金额(元)</a></th>    
                                  </tr>
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                            <tbody id="tbodycontent">
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                                <tr class="target_tr" id="tbootHeJi">
                                    <td  width="4%">统计</td>
                                    <td  width="9%"></td>
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                                    <td  width="7%"></td>                                    
                                    <td  width="7%"></td>
                                    <td  width="7%"></td>
                                    <td  width="7%" field="ChuShouJia" HeJi="" DanWei="元"></td>
                                    <td  width="9%" field="YingFaXinXiFei"  HeJi="" DanWei="元"></td>
                                    <td  width="9%" field="ShiFaXinXiFei"  HeJi="" DanWei="元"></td>
                                    <td  width="8%" field="WeiFaXinXiFei"  HeJi="" DanWei="元"></td>
                                    <td field="yue"  HeJi="" DanWei="元"></td>
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