package main import ( "database/sql" "fmt" _ "github.com/go-sql-driver/mysql" ) func main() { fmt.Println("vim-go") DB,_ := sql.Open("mysql", "root:****@tcp(***.frytea.com:****)/test") DB.SetConnMaxLifetime(100) DB.SetMaxIdleConns(10) if err:=DB.Ping(); err != nil { fmt.Println("open database failed.") return } fmt.Println("connect success.") }