odd_job/app/worker/view/demand/snatchDemand.html

<div class="layui-fluid">
	<div class="layui-row layui-col-space15">
		<div class="layui-col-md12">
			<div class="layui-card">
				<div class="layui-card-body" pad15>
					<div class="layui-form layui-form-pane" lay-filter="LAY-demand-demandform-edit">
						<input type="hidden" name="id" value="{$id}">
						<div class="layui-form-item">
							<label class="layui-form-label"><span style="color:#f90c05;">*</span>抢单人数</label>
							<div class="layui-input-block">
								<input type="text" name="num" value="{$demand.num|default=1}" lay-verify="number" placeholder="请输入..."
									   autocomplete="off" class="layui-input">
							</div>
						</div>
						<div class="layui-form-item">
							<div class="layui-input-block">
								<input type="button" lay-submit lay-filter="LAY-demand-demandform-edit-submit" value="确认提交" class="layui-btn">
							</div>
						</div>
					</div>

				</div>
			</div>
		</div>
	</div>
</div>


<script>
	layui.config({
		base: '/static/echoui/' //静态资源所在路径
	}).extend({
		index: 'lib/index' //主入口模块
	}).use(['index', 'form', 'set'], function() {
		var $ = layui.$,
			setter = layui.setter,
			admin = layui.admin,
			form = layui.form;

		form.render();


		form.on('submit(LAY-demand-demandform-edit-submit)', function(obj) {
			var index = parent.layer.getFrameIndex(window.name);
			admin.req({
				url: setter.baseWorkerUrl + 'demand/snatchDemand',
				data: obj.field,
				type: 'post',
				done: function(res) {
					layer.msg("提交成功", {
						icon: 1
					});
					parent.layui.table.reload('LAY-demand-demandlist-table'); //重载表格
					parent.layer.close(index);
				}
			});
		});
	});
</script>