jQuery 实时保存页面动态添加的数据的示例

// template() 是一个模板格式化函数$('#modal_pl_content').html(template('modal_temp', {data:''}));

<script id="modal_temp" type="text/html"><form class="cksd_comment_id">     <div class="col-sm-12 addID">    <input type="hidden" name="comment_update_id" value="" />       <div class="col-sm-12 hr hr-18 dotted hr-dotted"></div>    <div class="col-sm-3 form-group">              <label class="col-sm-3 control-label no-padding-right">评价ID</label>            <div class="col-sm-9"><input type="text" class="col-xs-12" name="commentID"></div>         </div>         <div class="col-sm-1 form-group">            <select name="star" onchange="checkIsInput(this)">                <option value="5">5</option>                <option value="4">4</option>                <option value="3">3</option>                <option value="2">2</option>                <option value="1">1</option>            </select>         </div>         <div class="col-sm-4 form-group">              <label class="col-sm-3 control-label no-padding-right">当前数量</label>            <div class="col-sm-8">                <div class="col-sm-5"><input type="text" class="col-xs-12" name="now_yes" onkeyup="is_intdata(this,this.value)" value="0"></div>                  <label class="col-sm-1 control-label no-padding-left no-padding-right">of</label>                <div class="col-sm-5"><input type="text" class="col-xs-12" name="now_total" onkeyup="is_intdata(this,this.value)" value="0"></div>            </div>        </div>          <div class="col-sm-3 form-group">              <div class="col-sm-12">                  <label class="col-sm-1 control-label no-padding-left no-padding-right">Yes</label>                  <div class="col-sm-5"><input type="text" class="col-xs-12" name="add_yes" onkeyup="is_intdata(this,this.value)" value="0"></div>                  <label class="col-sm-1 control-label no-padding-left no-padding-right">No</label>                  <div class="col-sm-5"><input type="text" class="col-xs-12" name="add_no" readonly onkeyup="is_intdata(this,this.value)" value="0"></div>      </div>          </div>        <div class="col-sm-1 form-group">总数： <br><span class="total_yes">0</span> of <span class="totals">0</span></div>         <div class="col-sm-1 form-group delbox"><button type="button" class="btn btn-danger btn-xs" onclick="delPlID(this)">删除</button></div>     </div>  </form></script>

$(document).on("change keyup", ".cksd_comment_id", function(event) {  /*  var current = event.target.tagName.toLowerCase();  if ((current != 'input') || (current != 'select')) {     event.preventDefault();   } */   var praise_row = {};  praise_row.cpid_a = $("[name='cpid_a']").val();   praise_row.pt_a = $("[name='pt_a']").find("option:selected").val();  praise_row.dp_a = $("[name='dp_a']").find("option:selected").val();   praise_row.cptime_start = $("[name='cptime_start']").val();   praise_row.cptime_end = $("[name='cptime_end']").val();   praise_row.cpkeyword_a = $("[name='cpkeyword_a']").val();   praise_row.status = $("[name='cksd_status']").val();   if (praise_row.cpid_a && praise_row.pt_a && praise_row.dp_a && praise_row.cptime_start && praise_row.cptime_end) {     var comment_row = {};     $(this).find('input, select').each(function () {         var field = $(this).attr('name');         comment_row[field] = $(this).val();     });     var pp_id = $("input.cksd_praise_pid").val();   //console.log($(this));     var current_form = $(this);     var comment_id = $(this).children().find("[name='comment_update_id']").val();     var data = {};     if (pp_id) {         praise_row.id = pp_id;         comment_row.id = comment_id;         data = {praise: praise_row, comment: comment_row}     } else {         data = {praise: praise_row, comment: comment_row};     }     //console.log(data);     $.ajax({        type: 'post',        url: "<?php echo site_url('/praise/save_intime');?>",        data: data,        dataType: 'json'      }).done(function(res) {         if ((res.s == 0)) {           console.log($(this));           $('input.cksd_praise_pid').val(res.msg.p_id);           current_form.children().find("[name='comment_update_id']").val(res.msg.c_id);         }         console.log(res);     });  }});