const FCircle = { requestAPI: (url, callback, timeout) => { let retryTimes = 5; function request() { return new Promise((resolve, reject) => { let status = 0; // 0 等待 1 完成 2 超时 let timer = setTimeout(() => { if (status === 0) { status = 2; timer = null; reject('请求超时'); if (retryTimes == 0) { timeout(); } } }, 5000); fetch(url).then(function(response) { if (status !== 2) { clearTimeout(timer); resolve(response); timer = null; status = 1; } if (response.ok) { return response.json(); } throw new Error('Network response was not ok.'); }).then(function(data) { retryTimes = 0; callback(data); }).catch(function(error) { if (retryTimes > 0) { retryTimes -= 1; setTimeout(() => { request(); }, 5000); } else { timeout(); } }); }); } request(); }, layoutDiv: (cfg) => { const el = $(cfg.el)[0]; $(el).append('
'); FCircle.requestAPI(cfg.api, function(data) { $(el).find('.loading-wrap').remove(); const arr = data.article_data || []; const limit = el.getAttribute('limit'); arr.forEach((item, i) => { if (limit && i >= limit) { return; } var cell = '