golang中mysql增刪改查實踐
摘要：
package main
import (
"database/sql"
"fmt"
//"time"
_ "github.com/go-sql-driver/mysql"
)
func ch...
package main
import (
"database/sql"
"fmt"
//"time"
_ "github.com/go-sql-driver/mysql"
)
func checkErr(err error) {
if err != nil {
panic(err)
}
}
func main() {
db, err := sql.Open("mysql", "root:Hudp-.1234@/test?charset=utf8")
checkErr(err)
//插入資料
stmt, err := db.Prepare("INSERT userinfo SET username=?,departname=?,created=?")
checkErr(err)
res, err := stmt.Exec("michael", "系統運營部", "2018-10-30")
checkErr(err)
id, err := res.LastInsertId()
checkErr(err)
fmt.Println(id)
//更新資料
stmt, err = db.Prepare("update userinfo set username=? where uid=?")
checkErr(err)
res, err = stmt.Exec("tony",id)
checkErr(err)
affect, err := res.RowsAffected()
checkErr(err)
fmt.Println(affect)
//查詢資料
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)
}
//刪除資料
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)
defer db.Close()
}
參考連結：ofollow,noindex" target="_blank">https://www.golang123.com/book/9?chapterID=165