工具类方法分享
工欲善其事，必先利其器
//摘自 vue-element-admin utils
parseTime(time, cFormat) {
if (arguments.length === 0) {
return null;
}
const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}';
let date;
if (typeof time === 'object') {
date = time;
} else {
if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
time = parseInt(time);
}
if ((typeof time === 'number') && (time.toString().length === 10)) {
time = time * 1000;
}
date = new Date(time);
}
const formatObj = {
y: date.getFullYear(),
m: date.getMonth() + 1,
d: date.getDate(),
h: date.getHours(),
i: date.getMinutes(),
s: date.getSeconds(),
a: date.getDay()
};
const time_str = format.replace(/{([ymdhisa])+}/g, (result, key) => {
const value = formatObj[key];
// Note: getDay() returns 0 on Sunday
if (key === 'a') {
return ['日', '一', '二', '三', '四', '五', '六'][value];
}
return value.toString().padStart(2, '0');
});
return time_str;
}
