//在main.js设置全局的请求次数,请求的间隙
axios.defaults.retry = 4;
axios.defaults.retryDelay = 1000;

axios.interceptors.response.use(undefined, function axiosRetryInterceptor(err) {
    var config = err.config;
    // If config does not exist or the retry option is not set, reject
    if(!config || !config.retry) return Promise.reject(err);
    
    // Set the variable for keeping track of the retry count
    config.__retryCount = config.__retryCount || 0;
    
    // Check if we've maxed out the total number of retries
    if(config.__retryCount >= config.retry) {
        // Reject with the error
        return Promise.reject(err);
    }
    
    // Increase the retry count
    config.__retryCount += 1;
    
    // Create new promise to handle exponential backoff
    var backoff = new Promise(function(resolve) {
        setTimeout(function() {
            resolve();
        }, config.retryDelay || 1);
    });
    
    // Return the promise in which recalls axios to retry the request
    return backoff.then(function() {
        return axios(config);
    });
});

  参考地址:https://github.com/axios/axios/issues/164#issuecomment-327837467

转载于:https://www.cnblogs.com/zhoubingyan/p/8876824.html

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