vue axios数据请求get、post方法及实例详解

 methods：{
   getInfo（）{
     let url = "url"
     axios.get(url).then((res)=>{
       console.log(res)
     })   
   } 
 }

 mounted（）{
   this.getInfo() 
 }

 methods：{
   postInfo（）{
     let url = "url"
     let params=new URLSearchParams();//这个方法在axios的官网中有介绍，除了这个方法还有qs这个方法
     params.append("key",index) 
     params.append("key",index)
     axios.post(url,params).then((res)=>{
       console.log(res)
     })
   }  
 }

 mounted（）{
   this.postInfo()
 }

 axios.get("./package.json",{
     params:{
      userId:"999"
     },
     headers:{
      token:"jack"
     }
    }).then(res=>{
     this.msg = res.data;
    }).catch(function (error) {
     console.log("error init."+error)
    });

<code class="language-javascript"> axios.post("./package.json",{ 
     userId:"888" 
    },{ 
     headers:{ 
      token:"tom" 
     } 
    }).then(res=>{ 
     this.msg =res.data 
    }).catch(err=>{ 
      console.log(err) 
    })</code> 

 function getUserAccount(){
    return axios.get('/user/123')
   }
   function getUserPermissions(){
    return axios.get('/user/12345/premissions')
   }
   axios.all([getUserAccount(),getUserPermissions()])
   .then(axios.spread(function(acct,perms){
     //请求都完时
   }))

  axios({
  method:'post',
  url:'/user/123',
  data:{
   firstName:'Fred',
   lastName:'Flintstone'
  }
  }).then(function(res){
  console.log(res)
  })

// util.js
const instance = axios.create({
 baseURL:"http://jsonplaceholder.typicode.com/",
 timeout:1000,
 headers:{"Content-Type":"application/x-www-form-urlencoded"}
})
export default instance;

Ajax({
    method:'post',
    url:'/package.json',
    data:{
    firstName:'Fred',
    lastName:'flintone'
    }
   }).then(res=>{
     console.log(res.data)
     this.msg = res.data
   })

axios.interceptors.request.use(config=>{
    console.log("require init");
    return config
   })
    axios.interceptors.response.use(response=>{
    console.log("response init");
    return response
   })