<table class="table table-hover table-bordered">

		                                            <thead>

		                                                <tr>

		                                                    <th ><input name="selectAll" type="checkbox" class="J_selectAll"></th>

		                                                    <th>药名</th>

		                                                    <th>剂量</th>

		                                                    <th>次数/日</th>

		                                                </tr>

		                                            </thead>

		                                            <tbody class="J_tbody">

		                                            	<tr data-id = "1">

		                                            		<td>

		                                            			<input class="J_subCheck"  type="checkbox" name="subCheck" >

		                                            		</td>

		                                            		<td>1号药</td>

		                                            		<td>1片</td>

		                                            		<td>1</td>

		                                            	</tr>

		                                            	<tr data-id = "2">

		                                            		<td>

		                                            			<input class="J_subCheck"  type="checkbox" name="subCheck" >

		                                            		</td>

		                                            		<td>2号药</td>

		                                            		<td>2片</td>

		                                            		<td>2</td>

		                                            	</tr>

		                                            	<tr data-id = "3">

		                                            		<td>

		                                            			<input class="J_subCheck"  type="checkbox" name="subCheck" >

		                                            		</td>

		                                            		<td>1号药</td>

		                                            		<td>3片</td>

		                                            		<td>3</td>

		                                            	</tr>

		                                            	<tr data-id = "4">

		                                            		<td>

		                                            			<input class="J_subCheck"  type="checkbox" name="subCheck" >

		                                            		</td>

		                                            		<td>4号药</td>

		                                            		<td>4片</td>

		                                            		<td>4</td>

		                                            	</tr>

		                                            </tbody>

		                                        </table>

var tr = $('.J_tbody').children('tr'),

            list =[],

            id, medicinal, dosage, unit, times;

        tr.each(function(){

            var tdArr = $(this).children(),

                id = $(this).attr('data-id'),

                medicinal = tdArr.eq(1).text(),

                dosage = tdArr.eq(2).text(),

                times = tdArr.eq(3).text(),

                trList = {};  //trList对象一定要声明在each()函数里，否者压入栈中的数据将会是最后一条数据乘以4。

            jQuery.extend(trList, {

                id: id,

                medicinal: medicinal,

                dosage: dosage,

                times: times

            });

            list.push(trList);

        });