iboss_wx_app/utils/api.js

/* 请求的错误不应该被调用方被catch
   把错误的请求当成请求正常返回的结果
   由调用方根据状态码来判断是否成功 */
var base64 = require('/base64');
const app = getApp();
const config = require('../config/config.js');

/* 服务端IP+端口 */
export const API_URI = config.server_add+':'+config.server_port
/* 调用的请求方法 */
function request(url, requestType, params) { 
  return new Promise((resolve, reject) => {
    wxRequest(url, requestType, params).then(res => {
      console.log('[请求地址]：', url, 
                  '\n[请求参数]：', params, 
                  '\n[响应状态]：', res.data.code, 
                  '\n[响应数据]：', res.data.data, 
                  '\n[响应信息]：', res.data.message,
                  '\n[异常信息]：', res.data.exception )
      switch (res.data.code) {
        case 200:
          break;
        case 99999://99999 数据重复 到各自的前台页面去处理 2022年11月14日
          break;
        case -2:case -4:case 233:
          wx.showModal({ title: '提示', content: res.data.message, showCancel: false,
          success: function (res) {
            wx.navigateTo({
              url: '/pages/login/login',
               })
              }
           });
        break;
        default:
          if (res.data.exception){
            wx.showModal({
              title: '提示', content: res.data.message, cancelText: '日志',
              success(res_model) {
                if (res_model.cancel) {
                  wx.showModal({ title: '异常信息', content: res.data.exception, showCancel: false });
                }
              }
            });
          }else{
            wx.showModal({ title: '提示', content: res.data.message, showCancel: false });
          }
          break;
      }
      resolve(res)
    }).catch(err => {
      resolve({ code: -200, message: "请求失败", data: err });
    })
  })
}

/* 封装wx.request */
function wxRequest(url, requestType, params) {
  return new Promise((resolve, reject) => {
    let app = getApp(), header = {
      'content-type': 'application/json'
    }
    var openId =app.globalData.open_id
    if (app.globalData.user) {
      app.globalData.user.openId = openId 
      // 请求的Authorization 
      header['Authorization'] = "Bearer " + app.globalData.token
    }

    wx.request({
      url: `${API_URI}/${url}`,
      header: header,
      data: params ? params : null,
      method: requestType ? requestType : 'POST',
      success: function (res) {
        resolve(res);
      },
      fail: function (err) {
        reject(err);
      }
    })
  })
}

/* 暴露方法给外部 */
module.exports = {
  request
}