//获取当前时间格式化 export function dateFormat(num = 1, time = new Date().toISOString(), ) { let date = new Date(time); let year = date.getFullYear(); // 在日期格式中,月份是从0开始的,因此要加0,使用三元表达式在小于10的前面加0,以达到格式统一 如 09:11:05 let month = date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1; let day = date.getDate() < 10 ? '0' + date.getDate() : date.getDate(); let hours = date.getHours() < 10 ? '0' + date.getHours() : date.getHours(); let minutes = date.getMinutes() < 10 ? '0' + date.getMinutes() : date.getMinutes(); let seconds = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds(); if (num === 1) { // 拼接 return year + '-' + month + '-' + day + ' ' + hours + ':' + minutes + ':' + seconds; } else { return year + "-" + month + "-" + day; } }