有时候遇到网络错误,希望可以多试几次,可以利用Promise递归调用实现
以若依系统的登出举例
export function logout() {return request({url: '/logout',method: 'post'})
}
修改下原本的登出逻辑,遇到ERR_NETWORK错误,也就是网络问题,每隔1秒重试一次
LogOut({ commit, state }) {const MAX_RETRIES = 3;let retries = 0;const attemptLogout = () => {return new Promise((resolve, reject) => {logout().then(() => {commit('SET_TOKEN', '');commit('SET_ROLES', []);commit('SET_PERMISSIONS', []);removeToken();resolve();}).catch(error => {if (error.code === 'ERR_NETWORK' && retries < MAX_RETRIES) {retries++;console.error(`网络错误,正在重试(第 ${retries}/${MAX_RETRIES} 次尝试)...`, error);setTimeout(() => {attemptLogout().then(resolve).catch(reject);}, 1000); // 等待 1 秒后重试} else {console.error('退出登录时发生错误:', error);reject(error);}});});};