yelaixiang/pages/api/request.js

var tokenKey = "access-token";
var serverUrl =  "https://badness.xiuqinews.cn"; 
import { requst_post_login} from '../../pages/api/index'
// 例外不用token的地址
var exceptionAddrArr = [  '/wx/login',];
 
//请求头处理函数
function CreateHeader(url, type) {
  let header = {}
  if (type == 'POST_PARAMS'){
    header = {
      'content-type': 'application/x-www-form-urlencoded'
    }
  }else if(type == 'FormData'){
    header = {
      'content-type': 'multipart/form-data'
    }
  }else{
    header = {
      'content-type': 'application/json'
    }
  }
  if (exceptionAddrArr.indexOf(url) == -1) {  //排除请求的地址不须要token的地址
    let token = wx.getStorageSync(tokenKey);
    header.Authorization = token;
  }
  return header;
  console.log(header,'header')
}
//post请求，fomData
function postRequestFormData(url,data){
  let header = CreateHeader(url,'FormData');
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + url,
      data: data,
      header: header,
      method: 'POST',
      success: (res => {
        if (res.statusCode === 200) {
          if(res.data.code==401){
            // 重新登陆
            wx.login({
              success: res => {
                const code = res.code;
                if(code){
                  //将code发送到开发者服务器
                  wx.getUserInfo({
                    success: res => {
                      let encryptedData = res.encryptedData;
                      let iv = res.iv;
                      let url="https://badness.xiuqinews.cn/wx/login";
                      requst_post_login(
                         {
                          encryptedData: encryptedData,
                          iv: iv,
                          code: code
                         }
                      ).then(res=>{
                          if(res.data.data){
                            wx.setStorage({
                              key: 'access-token',
                              data: res.data.data,
                            })
                          }else{
                          }
                        }).catch(err=>{
                          console.log('ajax_err',err)
                        })
                    }
                  })
                }
              }
            })
             // 重新登陆
          }else{
            resolve(res)
          }
        } else {
          reject(res)
        }
      }),
      fail: (res => {
        reject(res)
      })
    })
  })
}
//post请求，数据在body中
function postRequest(url,data){
  let header = CreateHeader(url,'POST');
  console.log(header,'header')
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + url,
      data: data,
      header: header,
      method: 'POST',
      success: (res => {
        if (res.statusCode === 200) {
          if(res.data.code==401){
            // 重新登陆
            wx.login({
              success: res => {
                const code = res.code;
                if(code){
                  //将code发送到开发者服务器
                  wx.getUserInfo({
                    success: res => {
                      let encryptedData = res.encryptedData;
                      let iv = res.iv;
                      let url="https://badness.xiuqinews.cn/wx/login";
                      requst_post_login(
                         {
                          encryptedData: encryptedData,
                          iv: iv,
                          code: code
                         }
                      ).then(res=>{
                          if(res.data.data){
                            wx.setStorage({
                              key: 'access-token',
                              data: res.data.data,
                            })
                          }else{
                          }
                        }).catch(err=>{
                          console.log('ajax_err',err)
                        })
                    }
                  })
                }
              }
            })
             // 重新登陆
          }else{
            resolve(res)
          }
        } else {
          reject(res)
        }
      }),
      fail: (res => {
        reject(res)
      })
    })
  })
}
//post请求，数据按照query方式传给后端
function postParamsRequest(url, data) {
  let header = CreateHeader(url,'POST_PARAMS');
    let useurl = url;
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + useurl,
      data: data,
      header: header ,
      method: 'POST',
      success: (res => {
        // console.log(res, '1212')
        if (res.statusCode === 200) {
          if(res.data.code==401){
            // 重新登陆
            wx.login({
              success: res => {
                const code = res.code;
                if(code){
                  //将code发送到开发者服务器
                  wx.getUserInfo({
                    success: res => {
                      let encryptedData = res.encryptedData;
                      let iv = res.iv;
                      let url="https://badness.xiuqinews.cn/wx/login";
                      requst_post_login(
                         {
                          encryptedData: encryptedData,
                          iv: iv,
                          code: code
                         }
                      ).then(res=>{
                          if(res.data.data){
                            wx.setStorage({
                              key: 'access-token',
                              data: res.data.data,
                            })
                          }else{
                          }
                        }).catch(err=>{
                          console.log('ajax_err',err)
                        })
                    }
                  })
                }
              }
            })
             // 重新登陆
          }else{
            resolve(res)
          }
        } else {
          reject(res)
        }
      }),
      fail: (res => {
        reject(res)
      })
    })
  })
}
//get 请求
function getRequest(url, data) {
  let header = CreateHeader(url, 'GET');
//   console.log(header,'exceptionAddrArr')
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + url,
      data: data,
      header: header,
      method: 'GET',
      success: (res => {
        if (res.statusCode === 200) {
          if(res.data.code==401){
            // 重新登陆
            wx.login({
              success: res => {
                const code = res.code;
                if(code){
                  //将code发送到开发者服务器
                  wx.getUserInfo({
                    success: res => {
                      let encryptedData = res.encryptedData;
                      let iv = res.iv;
                      requst_post_login(
                         {
                          encryptedData: encryptedData,
                          iv: iv,
                          code: code
                         }
                      ).then(res=>{
                          if(res.data.data){
                            wx.setStorage({
                              key: 'access-token',
                              data: res.data.data,
                            })
                          }else{
                          }
                        }).catch(err=>{
                          console.log('ajax_err',err)
                        })
                    }
                  })
                }
              }
            })
             // 重新登陆
          }else{
            resolve(res)
          }
        }else{
          reject(res)
        }
      }),
      fail: (res => {
        reject(res)
      })
    })
  })
}
//put请求
function putRequest(url, data) {
  let header = CreateHeader(url, 'PUT');
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + url,
      data: data,
      header: header,
      method: 'PUT',
      success: (res => {
        if (res.statusCode === 200) {
          if(res.data.code==401){
            // 重新登陆
            wx.login({
              success: res => {
                const code = res.code;
                if(code){
                  //将code发送到开发者服务器
                  wx.getUserInfo({
                    success: res => {
                      let encryptedData = res.encryptedData;
                      let iv = res.iv;
                      let url="https://badness.xiuqinews.cn/wx/login";
                      requst_post_login(
                         {
                          encryptedData: encryptedData,
                          iv: iv,
                          code: code
                         }
                      ).then(res=>{
                          if(res.data.data){
                            wx.setStorage({
                              key: 'access-token',
                              data: res.data.data,
                            })
                          }else{
                          }
                        }).catch(err=>{
                          console.log('ajax_err',err)
                        })
                    }
                  })
                }
              }
            })
             // 重新登陆
          }else{
            resolve(res)
          }
        } else {
          reject(res)
        }
      }),
      fail: (res => {
        reject(res)
      })
    })
  })
}
//delete请求
function deleteRequest(url, data) {
  let header = CreateHeader(url, 'DELETE');
  return new Promise((resolve, reject) => {
    wx.request({
      url: serverUrl + url ,
      // data: data,
      header: header,
      method: 'DELETE',
      success: (res => {
        if (res.statusCode === 200) {
          //200: 服务端业务处理正常结束
          resolve(res)
        } else {
          reject(res)
        }
      }),
      fail: (res => { 
         reject(res) 
      })
    })
  })
}
module.exports.getRequest = getRequest;
module.exports.postRequest = postRequest;
module.exports.postRequestFormData = postRequestFormData;
module.exports.postParamsRequest = postParamsRequest;
module.exports.putRequest = putRequest;
module.exports.deleteRequest = deleteRequest;