1. Use new Date() to convert timestamp to time
var date = new Date(time);
2. Extract year
var Y = date.getFullYear() + '-';
3. Extract the month to judge whether it is necessary to add 0
var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
4. Get the date to judge whether it is necessary to add 0
var D = (date.getDate() < 10 ? '0' + (date.getDate()) : date.getDate()) + ' ';
5. Judging whether it is necessary to add 0 when obtaining
var h = (date.getHours() < 10 ? '0' + (date.getHours()) : date.getHours()) + ':';
6. Obtain points to judge whether it is necessary to add 0
var m = (date.getMinutes() < 10 ? '0' + (date.getMinutes()) : date.getMinutes());
7. Get seconds to judge whether it is necessary to add 0
var s = (date.getSeconds() < 10 ? '0' + (date.getSeconds()) : date.getSeconds());
full code
time(time){
var date = new Date(time);
var Y = date.getFullYear() + '-';
var M = (date.getMonth() + 1 < 10 ? '0' + (date.getMonth() + 1) : date.getMonth() + 1) + '-';
var D = (date.getDate() < 10 ? '0' + (date.getDate()) : date.getDate()) + ' ';
var h = (date.getHours() < 10 ? '0' + (date.getHours()) : date.getHours()) + ':';
var m = (date.getMinutes() < 10 ? '0' + (date.getMinutes()) : date.getMinutes());
var s = (date.getSeconds() < 10 ? '0' + (date.getSeconds()) : date.getSeconds());
var time1 = Y + M + D + h + m;
}