Mysql入门学习(5) 之go操作mysql

package main

import (
"database/sql"
"fmt"
//"time"

_ "github.com/go-sql-driver/mysql"
)

func main() {
db, err := sql.Open("mysql", "astaxie:astaxie@/test?charset=utf8")
checkErr(err)

//插入数据
stmt, err := db.Prepare("INSERT userinfo SET username=?,departname=?,created=?")
checkErr(err)

res, err := stmt.Exec("astaxie", "研发部门", "2012-12-09")
checkErr(err)

id, err := res.LastInsertId()
checkErr(err)

fmt.Println(id)
//更新数据
stmt, err = db.Prepare("update userinfo set username=? where uid=?")
checkErr(err)

res, err = stmt.Exec("astaxieupdate", id)
checkErr(err)

affect, err := res.RowsAffected()
checkErr(err)

fmt.Println(affect)

//查询数据
rows, err := db.Query("SELECT * FROM userinfo")
checkErr(err)

for rows.Next() {
var uid int
var username string
var department string
var created string
err = rows.Scan(&uid, &username, &department, &created)
checkErr(err)
fmt.Println(uid)
fmt.Println(username)
fmt.Println(department)
fmt.Println(created)
}

//删除数据
stmt, err = db.Prepare("delete from userinfo where uid=?")
checkErr(err)

res, err = stmt.Exec(id)
checkErr(err)

affect, err = res.RowsAffected()
checkErr(err)

fmt.Println(affect)

db.Close()

}

func checkErr(err error) {
if err != nil {
panic(err)
}
}