查询：        package main                import (            "database/sql"            "fmt"            _ "github.com/go-sql-driver/mysql"            "time"        )                func main() {            con, _ := sql.Open("mysql", "root:123456@tcp(localhost:3316)/mysql")                defer con.Close()                go query(con)            time.Sleep(1e9)        }                func query(con *sql.DB) {            Q, _ := con.Prepare("select user,host,password from user where user = ? and host = ?")                defer Q.Close()                var x, y, z string            defer func() {                if e := recover(); e != nil {                    fmt.Println(e)                }            }()            d, _ := Q.Query("root", "127.0.0.1")            for d.Next() {                d.Scan(&x, &y, &z)                fmt.Println(z, y, z)            }        }  

    package main                import (            "database/sql"            //"fmt"            _ "github.com/go-sql-driver/mysql"            //"time"        )                func main() {            con, _ := sql.Open("mysql", "root:123456@tcp(localhost:3316)/test")            defer con.Close()            P, _ := con.Prepare("CREATE TABLE Test (id int not null AUTO_INCREMENT PRIMARY KEY,name varchar(20) not null)")            defer P.Close()            P.Exec()        }