我正在尝试将我的数据库中的一些值添加到[]stringGo 中的a中。其中一些是时间戳。
我收到错误:
不能使用 U.Created_date (type time.Time) 作为数组元素中的类型字符串
我可以转换time.Time为string吗?
type UsersSession struct {
Userid int
Timestamp time.Time
Created_date time.Time
}
type Users struct {
Name string
Email string
Country string
Created_date time.Time
Id int
Hash string
IP string
}
——
var usersArray = [][]string{}
rows, err := db.Query("SELECT u.id, u.hash, u.name, u.email, u.country, u.IP, u.created_date, us.timestamp, us.created_date FROM usersSession AS us LEFT JOIN users AS u ON u.id = us.userid WHERE us.timestamp + interval 30 minute >= now()")
U := Users{}
US := UsersSession{}
for rows.Next() {
err = rows.Scan(&U.Id, &U.Hash, &U.Name, &U.Email, &U.Country, &U.IP, &U.Created_date, &US.Timestamp, &US.Created_date)
checkErr(err)
userid_string := strconv.Itoa(U.Id)
user := []string{userid_string, U.Hash, U.Name, U.Email, U.Country, U.IP, U.Created_date, US.Timestamp, US.Created_date}
// -------------
// ^ this is where the error occurs
// cannot use U.Created_date (type time.Time) as type string in array element (for US.Created_date and US.Timestamp aswell)
// -------------
usersArray = append(usersArray, user)
log.Print("usersArray: ", usersArray)
}
编辑
我添加了以下内容。现在可以用了,谢谢。
userCreatedDate := U.Created_date.Format("2006-01-02 15:04:05")
userSessionCreatedDate := US.Created_date.Format("2006-01-02 15:04:05")
userSessionTimestamp := US.Timestamp.Format("2006-01-02 15:04:05")
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