Go的mysql庫的使用:連線和查詢
阿新 • • 發佈:2020-09-15
import "time" type User struct { Id int Uuid string Name string Email string Password string CreatedAt time.Time } const ( MySQLHost = "127.0.0.1" MySQLPort = "3306" MySQLUser = "usr" MySQLPasswd = "passwd" MySQLDBName = "dbname" ) func main() { MySQLInfo := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", MySQLUser, MySQLPasswd, MySQLHost, MySQLPort, MySQLDBName) Db, err := sql.Open("mysql", MySQLInfo) if err != nil { log.Fatal(err) return } _ = Db rows, err := Db.Query("SELECT id, uuid, name, email, created_at FROM users") if err != nil { log.Fatal(err) return } users := make([]User, 0) count := 0 for rows.Next() { user := User{} var createAt string err = rows.Scan(&user.Id, &user.Uuid, &user.Name, &user.Email, &createAt) fmt.Println(createAt) user.CreatedAt, _ = time.Parse("2006-01-02 15:04:05", createAt) users = append(users, user) count++ } fmt.Println(count, len(users)) for i, _ := range users { user := users[i] fmt.Println(user.Id, user.Uuid, user.Name, user.Email, user.CreatedAt) } fmt.Println("connect success.") }