微信小程序request请求封装，验签代码实例

//简单封装请求
function request(params, path, isShowLoading = true, goBack = false, type = 'none', obj={}) {
 try {
  console.log(path)
  let NowTime = Date.parse(new Date()) / 1000;
  let defaultParams = {
   platform: app.globalData.platform,
   appVersion: app.globalData.version,
   deviceId: uuId(),
   timestamp: params.timestamp "accessToken_v1")}`, {
     cookie
    } = obj.header;
   console.log(cookie)
   obj.header.cookie = cookie "htmlcode">

//生成签名
function signature(params) {
 let keyArr = []
 for (let key in params) {
  keyArr.push(key)
 }
 let arr = keyArr.sort();
 let result = "";
 arr.map((item, index) => {
  if (params[item] == null || params[item] == undefined) {
   delete params[item];
   arr.splice(index, 1);
  }
 })
 console.log("arr")
 console.log(arr)
 arr.map((item, index) => {
  if (Array.isArray(params[item]) == true) {
   let res = ''
   let arr = params[item]
   arr.map(obj => {
    console.log(typeof(obj))
    if (typeof(obj) != 'object') {
     res += obj
    } else {
     for (let key in obj) {
      if (Array.isArray(obj[key])) {
       let val = '';
       obj[key].map(item => {
        val += item
       })
       res += key + val
      } else {
       res += key + obj[key]
      }
     }
    }
   })
   result += '' + item + '' + res
  } else {
   result += '' + item + '' + params[item]
  }
 })
 console.log("result")
 console.log(result)

 let pos;
 if (isEmpty(getToken())) {
  pos = result
 } else {
  pos = result + getToken()
 }
 console.log(pos)
 console.log("signature")
 let signature = sha256.hmac.create('pos_secret').update(pos).hex().toLowerCase(); //需要引入sha256.min.js
 console.log(signature)
 let obj = {
  'signature': signature
 }
 return Object.assign(params, obj);
}


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