# 操作 ```html ``` ```js export default { data() { return { ts1: null, ts2: 0, ts3: null, ts4: null }; }, methods: { onDateTimeChange(timestamp, dateTimeString) { this.$NMessage.success(`${timestamp}, ${dateTimeString}`); }, onDateChange(timestamp, dateString) { this.$NMessage.success(`${timestamp}, ${dateString}`); }, handleInputTs1(v) { if (v === "") { this.ts1 = null; return; } v = Number(v); this.ts1 = Number.isNaN(v) ? null : v; }, handleInputTs2(v) { if (v === "") { this.ts2 = null; return; } v = Number(v); this.ts2 = Number.isNaN(v) ? null : v; } } }; ``` ```css .n-date-picker { margin: 0 12px 8px 0; } ```