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// 添加请求拦截器 axios.interceptors.request.use(function (config) { // 在发送请求之前做些什么 return config; }, function (error) { // 对请求错误做些什么 return Promise.reject(error); }); // 添加响应拦截器 axios.interceptors.response.use(function (response) { // 对响应数据做点什么 return response; }, function (error) { // 对响应错误做点什么 return Promise.reject(error); });
走response拦截器在其中判断,刨析res.code来判断
const res = response.data // console.log(res); // 如果自定义代码不是20000,则判断为错误. if (res.code !== 200) { Message({ message: res.message || 'Error', type: 'error', duration: 5 * 1000 }) // 50008: 非法token; 50012: 其他客户端已登录; 50014: Token 已过期; if (res.code === 50008 || res.code === 50012 || res.code === 50014) { // to re-login MessageBox.confirm('您已注销,可以取消以停留在此页面,或重新登录', '确认注销', { confirmButtonText: 'Re-Login', cancelButtonText: 'Cancel', type: 'warning' }).then(() => { store.dispatch('user/resetToken').then(() => { location.reload() }) }) } return Promise.reject(new Error(res.message || 'Error')) } else { return res }
走ERROR 这里会直接返回一个error对象(error对象比较特殊但是也可以(.))
如果想在拦截器中处理就要用error.response即可打印http数据包
不过一般都是直接返回catch单一处理问题
error => {
console.log('err' + error) // for debug
Message({
message: error.message,
type: 'error',
duration: 5 * 1000
})
return Promise.reject(error)
}
axios.get('/user/12345') .catch(function (error) { if (error.response) { // The request was made and the server responded with a status code // that falls out of the range of 2xx console.log(error.response.data); console.log(error.response.status); console.log(error.response.headers); } else if (error.request) { // The request was made but no response was received // `error.request` is an instance of XMLHttpRequest in the browser and an instance of // http.ClientRequest in node.js console.log(error.request); } else { // Something happened in setting up the request that triggered an Error console.log('Error', error.message); } console.log(error.config); });
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