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axios设置一下就好了
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>BFW NEW PAGE</title> <script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/axios-0.18.js"></script> <script type="text/javascript" charset="utf-8"> const axiosInstance = axios.create({ timeout: 2000, headers: { 'Content-Type': 'application/x-www-form-urlencoded', 'X-Requested-With': 'XMLHttpRequest' } }) function interceptAjax(res) { alert("拦截到了"); return {}; const tmp = res.headers['exceptionaction']; if (!tmp) return res; //系统已经登陆 const token = RxUtil.getCache('token'); if (!token) { router.push({ name: 'login' }); return; } } axiosInstance.interceptors.response.use(res => interceptAjax(res)); axiosInstance.get('/'). then(response => { console.log(response); }). catch(e => { console.log(e); }); </script> <style> </style> </head> <body> </body> </html>