go lang连接mysql数据库,golang本身没有提供连接mysql的驱动 需要包 “database/sql” 以及下载所需要的包 “github.com/go-sql-driver/mysql”
package main
import (
_"database/sql"
_ "fmt"
_ "github.com/go-sql-driver/mysql"
"fmt"
"database/sql"
)
func main() {
db, err := sql.Open("mysql", "usename:password@/dbname")//对应数据库的用户名和密码以及数据库名
defer db.Close()
if err != nil {
panic(err)
} else {
fmt.Println("success")
}
rows, err := db.Query("SELECT name FROM extra_baidu_qi_add_mid_01")
if err != nil {
panic(err)
return
}
for rows.Next() {
var name string
err = rows.Scan(&name)
if err != nil {
panic(err)
}
fmt.Println(name)
}
}
其中连接参数可以有如下几种形式:
user@unix(/path/to/socket)/dbname?charset=utf8 user:password@tcp(localhost:5555)/dbname?charset=utf8 user:password@/dbname user:password@tcp([de:ad:be:ef::ca:fe]:80)/dbname
下载驱动
sudo go get github.com/go-sql-driver/mysql 如果提示这样的失败信息:cannot download, $GOPATH not set. For more details see: go help gopath,可以使用如下命令解决
sudo env GOPATH=/Users/chenjiebin/golang go get github.com/go-sql-driver/mysql GOPATH的值根据自行环境进行替换。