小程序登录

 formSubmit: function (e) {
    wx.showLoading({
      title: ‘登录中...‘,
    })
    console.log(e);
    this.setData({ disabled: true });
    wx.request({
      url: ‘http://127.0.0.1:9999/mytest/login‘, //仅为示例，并非真实的接口地址
      data: {
        username: e.detail.value.no,
        password: e.detail.value.pwd
      },
      header: {
        ‘content-type‘: ‘application/json‘, // 默认值
      
      },
      success: function (res) {
        console.log(res);
        if (res.statusCode == 200) {
          if (res.data.error == true) {
            wx.showToast({
              title: res.data.msg,
              icon: ‘none‘,
              duration: 2000
            })
            
          } else {
            wx.setStorageSync(‘student‘, res.data.data);
            wx.showToast({
              title: res.data.msg,
              icon: ‘success‘,
              duration: 2000
            })
　　　　　　　//缓存JSESSIONID
            wx.setStorage({
              key: "token",
              data: res.cookies[0],
            })
            wx.navigateTo({
              url: ‘../packageSell/packageSell‘ ,
            })
          }
        } else {
          wx.showToast({
            title: ‘服务器出现错误‘,
            icon: ‘none‘,
            duration: 2000
          })
        }
      }
    })
  },

goPackageSellPage: function (e) {
    wx.showLoading({
      title: ‘请求中...‘,
    })
    console.log(e);
    this.setData({ disabled: true });

    var header;
    header = {
      ‘content-type‘: ‘application/json‘,
      ‘cookie‘: wx.getStorageSync("token")//读取缓存JSESSIONID,实现权限认证
    };

    wx.request({
      url: ‘http://127.0.0.1:9999/mytest/user/dataxx‘, //仅为示例，并非真实的接口地址
      data: {
      
      },
      header: header,
      success: function (res) {
        console.log(res);
        if (res.statusCode == 200) {
          if (res.data.error == true) {
            wx.showToast({
              title: res.data.msg,
              icon: ‘none‘,
              duration: 2000
            })

          } else {
            wx.setStorageSync(‘student‘, res.data.data);
            wx.showToast({
              title: res.data.msg,
              icon: ‘success‘,
              duration: 2000
            })
            wx.navigateTo({
              url: ‘../index/index‘,
            })
          }
        } else {
          wx.showToast({
            title: ‘服务器出现错误‘,
            icon: ‘none‘,
            duration: 2000
          })
        }
      }
    })
  },

//新建param.js保存
export const rootUrl2 = ‘http://127.0.0.1/‘
export const rootUrl = `${rootUrl2}mytest`;

//有路径的界面js文件头部
import {rootUrl} from ‘../../utils/params‘

//路径书写
 url: `${rootUrl}/user/dataxx`,
 url:`${rootUrl}/images/upload/bg.jpg` ,

//写入  
wx.setStorage({
              key: "xxx",
              data:"message",
            })

//读取
wx.getStorageSync("xxx")