odd_job/app/admin/view/train/post.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-header">海报信息</div>
				<div class="layui-card-body" pad15>

					<div class="layui-form layui-form-pane" lay-filter="shareform-edit">
						<div class="layui-form-item">
							<label class="layui-form-label">海报</label>
							<div class="layui-input-block">
								<div class="layui-upload">
									<button type="button" class="layui-btn attachment-upload-images" data-input="post" data-amount="1">上传图片</button>
									<div class="layui-inline layui-word-aux"> 尺寸建议：750px*250px</div>
									<div class="layui-upload-list echo-attachment-image-list" id="post">
										{notempty name="post"}
										<div>
											<input type="hidden" name="post" value="{$post}">
											<img src="{$post}">
											<button type="button" class="attachmentdel layui-btn layui-btn-primary layui-btn-xs layui-btn-fluid">删除</button>
										</div>
										{/notempty}
									</div>
								</div>
							</div>
						</div>
						<div class="layui-form-item">
							<div class="layui-input-block">
								<input type="button" lay-submit lay-filter="shareform-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', 'upload'], function() {
		var $ = layui.$,
			setter = layui.setter,
			admin = layui.admin,
			form = layui.form,
			upload = layui.upload;
		form.render();

		form.on('submit(shareform-edit-submit)', function(obj) {
			var index = parent.layer.getFrameIndex(window.name);
			admin.req({
				url: setter.baseAdminUrl + 'train/editpost',
				data: obj.field,
				done: function(res) {
					layer.msg("提交成功", {
						icon: 1
					});
					parent.layui.table.reload('sharelist-table'); //重载表格
					parent.layer.close(index);
				}
			});
		});
		
		$('.echo-attachment-image-list').on('click', '.attachmentdel', function() {
			$(this).parent().remove();
		});
		upload.render({
			elem: '.attachment-upload-images',
			url: setter.baseAdminUrl + 'attachment/tplfieldimage',
			accept: 'images',
			exits: 'jpg|png|jpeg',
			acceptMime: 'image/*',
			size: 2048,
			number: 1,
			method: 'post',
			before: function(obj) {
				var item = this.item;
				upload_input = $(item).data('input');
				upload_amount = $(item).data('amount');
				layer.load();
			},
			done: function(res, index, upload) {
				layer.closeAll('loading');
				var html = "";
				if (upload_amount == 1) {
					html += '<div> <input type="hidden" name="' + upload_input + '" value="' + res.data.src + '"> ';
					html += '<img src="' + res.data.src + '"><button type="button" class="attachmentdel layui-btn layui-btn-primary layui-btn-xs layui-btn-fluid">删除</button></div>';
					$("#" + upload_input).html(html);
				} else {
					html += '<div> <input type="hidden" name="' + upload_input + '[]" value="' + res.data.src + '"> ';
					html += '<img src="' + res.data.src +
						'"> <button type="button" class="attachmentdel layui-btn layui-btn-primary layui-btn-xs layui-btn-fluid">删除</button></div>';
					$("#" + upload_input).append(html);
				}
			},
			error: function(index, upload) {
				layer.closeAll('loading');
			}
		});
	});
</script>