const tools = require('../../utils/tools.js'); const app = require('../../utils/util.js'); Page({ data: { dataArr: [], showNull: false }, gomyClass() { wx.switchTab({ url: '../myClass/myClass' }) }, getArr(sessionKey) { wx.request({ url: app.globalData.publicUrl + '/wx/student/selWholeClas', method: "post", data: { sessionKey: sessionKey }, success: (res) => { console.log(res.data.data, "22222") if (res.data.code == 0) { this.setData({ dataArr: res.data.data }) if (this.data.dataArr.length == 0) { this.setData({ showNull: true }) } } else { if (this.data.dataArr.length == 0) { this.setData({ showNull: true }) } } }, fail: () => { if (this.data.dataArr.length == 0) { this.setData({ showNull: true }) } } }) }, async onLoad() { const sessionKey = await tools.checkSessionAndLogin(); this.getArr(sessionKey); } })