1.在json页面配置:

{ "enablePullDownRefresh": true }

2.调用刷新函数

 onPullDownRefresh: function() {
   wx.showNavigationBarLoading()  //在标题栏中显示加载
 this.updateBlogs() //重新加载数据
    //模拟加载  1秒     setTimeout(function () {     // complete     wx.hideNavigationBarLoading() //完成停止加载     wx.stopPullDownRefresh() //停止下拉刷新     }, 1000);
 },

updateBlogs: function () { var that = this wx.request({ url: common.baseUrl + 'blog_rss.php', data: { }, header: { 'Content-Type': 'application/json' }, success: function (res) { var feeds = feed.getBlogs(res.data); wx.setStorage({ key: "blog_feeds", data: feeds }) that.setData({ feeds: feeds }) } }) }
 
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