详解vue中axios的封装

//http request 拦截器
axios.interceptors.request.use(
config => {
// const token = getCookie('名称');注意使用的时候需要引入cookie方法，推荐js-cookie
config.data = JSON.stringify(config.data);
config.headers = {
'Content-Type':'application/x-www-form-urlencoded'
}
// if(token){
// config.params = {'token':token}
// }
return config;
},error => {
return Promise.reject(err);
}
);

//http response 拦截器
axios.interceptors.response.use(
response => {
if(response.data.errCode ==2){
router.push({
path:"/login",querry:{redirect:router.currentRoute.fullPath}//从哪个页面跳转
})
}
return response;
},error => {
return Promise.reject(error)
}
)

/**

• 封装get方法
• @param url
• @param data
• @returns {Promise}
  */

export function fetch(url,params={}){
return new Promise((resolve,reject) => {
axios.get(url,{
params:params
})
.then(response => {
resolve(response.data);
})
.catch(err => {
reject(err)
})
})
}

/**

• 封装post请求
• @param url
• @param data
• @returns {Promise}
  */

export function post(url,data = {}){
return new Promise((resolve,reject) => {
axios.post(url,data)
.then(response => {
resolve(response.data);
},err => {
reject(err)
})
})
}

/**

• 封装patch请求
• @param url
• @param data
• @returns {Promise}
  */

export function patch(url,data = {}){
return new Promise((resolve,reject) => {
axios.patch(url,err => {
reject(err)
})
})
}

/**

• 封装put请求
• @param url
• @param data
• @returns {Promise}
  */

export function put(url,reject) => {
axios.put(url,err => {
reject(err)
})
})
}