String转Time
常规格式
t, _ := time.ParseInLocation("2006-01-02 15:04:05", "2022-12-15 14:35:31", time.Local)
fmt.Println(t) // 2022-12-15 14:35:31 +0800 CST
ts, _ := time.ParseInLocation(time.RFC3339, "2022-12-15T14:35:31+08:00", time.Local)
fmt.Println(ts) // 2022-12-15 14:35:31 +0800 CST
