1.pages.json

设置相应的界面 "enablePullDownRefresh": true,

{
			"path": "pages/survey/index",
			"style": {
				"navigationBarTitleText": "当前调查情况列表",
				"enablePullDownRefresh": true,
				"navigationStyle": "custom",
				"app-plus": {
					"titleNView": false
				}
			}
		},

2.对应的界面 的 show周期

开始刷新

        onShow() {
			console.log('进来了')
			uni.startPullDownRefresh()
		},

3.要滚动的内容必须用 <scroll-view></scroll-view>框住

<scroll-view>
.....加载的内容
</scroll-view>

4.methods里面的获取数据方法 getList<