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Page({data: {items: [],timerId: null},onLoad: function() {this.fetchData();this.setRefreshTimer();},setRefreshTimer: function() {const that = this;this.setData({timerId: setInterval(function() {that.fetchData();}, 60000) });},fetchData: function() {wx.request({url: 'https://your-api-url/get-items',method: 'GET',success: (res) => {const items = res.data;this.setData({items: items});},fail: (err) => {console.error('Failed to fetch data:', err);}});},onUnload: function() {clearInterval(this.data.timerId);}">