- 5.访问数据库
- 5.1 database/sql接口
- 5.2 使用MySQL数据库
- 5.3 使用SQLite数据库
- 5.4 使用PostgreSQL数据库
- 5.5 使用Beego orm库进行ORM开发
- 5.6 NOSQL数据库操作
- 5.7 小结
package main
import (
"database/sql"
"fmt"
_ "github.com/go-sql-driver/mysql"
)
func main() {
db, err := sql.Open("mysql", "beego:beego_pass@tcp(10.25.27.92:3306)/PrismLogDB?charset=utf8")
checkErr(err)
stmt, err := db.Prepare("INSERT userinfo SET username=?, departname=?,created=?")
checkErr(err)
res, err := stmt.Exec("astaxie", "研发部门", "2012-12-19")
checkErr(err)
res, err = stmt.Exec("chengang", "研发部门", "2017-12-19")
checkErr(err)
id, err := res.LastInsertId()
checkErr(err)
fmt.Println(id)
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)
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)
}
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)
}
}
