package main
import (
"fmt""github.com/jmoiron/sqlx"
_ "github.com/go-sql-driver/mysql"//初始化一个mysql驱动，必须)
type Person struct {
UserId int `db:"user_id"`
Username string `db:"username"`
Sex string `db:"sex"`
Email string `db:"email"`
}
type Place struct {
Country string `db:"country"`
City string `db:"city"`
TelCode int `db:"telcode"`
}
var Db *sqlx.DB
func init() {
//"mysql"指定数据库类型， /test指定数据库 root:123 冒号隔开密码 root账号 123密码
database, err := sqlx.Open("mysql", "[email protected](127.0.0.1:3306)/test")
if err != nil {
fmt.Println("open mysql failed,", err)
return
}
Db = database
}
func main() {
//插入数据入表
r, err := Db.Exec("insert into person(username,sex,email)values(?,?,?)", "chaoge", "man", "[email protected]")
if err != nil {
fmt.Println("exec failed,", err)
return
}
id, err := r.LastInsertId()
if err != nil {
fmt.Println("exec failed,", err)
return
}
fmt.Println("insert succ:", id)
}
insert
查询select
package main
import (
"fmt"
_ "github.com/go-sql-driver/mysql""github.com/jmoiron/sqlx"
)
type Person struct {
UserId int `db:"user_id"‘`
Username string `db:"username"`
Sex string `db:"sex"`
Email string `db:"email"`
}
type Place struct {
Country string `db:"country"`
City string `db:"city"`
TelCode int `db:"telcode"`
}
var Db *sqlx.DB
func init() {
//初始化链接数据库
database, err := sqlx.Open("mysql", "root:@tcp(127.0.0.1:3306)/test")
if err != nil {
fmt.Println("open mysql failed", err)
return
}
Db = database
}
func main() {
var person []Person
err := Db.Select(&person, "select user_id,username,sex,email from person where user_id=?", 1)
if err != nil {
fmt.Println("exec failed,", err)
return
}
fmt.Println("select succ:", person)
}
select
改update
package main
import (
"fmt"
_ "github.com/go-sql-driver/mysql""github.com/jmoiron/sqlx"
)
type Person struct {
UserId int `db:"user_id"`
Username string `db:"username"`
Sex string `db:"sex"`
Email string `db:"email"`
}
type Place struct {
Country string `db:"country"`
City string `db:"city"`
TelCode int `db:"telcode"`
}
var Db *sqlx.DB
func init() {
database, err := sqlx.Open("mysql", "[email protected](127.0.0.1:3306)/test")
if err != nil {
fmt.Println("open mysql failed,", err)
return
}
Db = database
}
func main() {
_, err := Db.Exec("update person set username=? where user_id=?", "chaoge666", 1)
if err != nil {
fmt.Println("exec failed,", err)
}
}
update
删delete
package main
import (
"fmt"
_ "github.com/go-sql-driver/mysql""github.com/jmoiron/sqlx"
)
type Person struct {
UserId int `db:"user_id"`
Username string `db:"username"`
Sex string `db:"sex"`
Email string `db:"email"`
}
type Place struct {
Country string `db:"country"`
City string `db:"city"`
TelCode int `db:"telcode"`
}
var Db *sqlx.DB
func init() {
//初始化链接数据库
database, err := sqlx.Open("mysql", "[email protected](127.0.0.1:3306)/test")
if err != nil {
fmt.Println("open mysql failed,", err)
return
}
Db = database
}
func main() {
_, err := Db.Exec("delete FROM person where user_id=?", 1)
if err != nil {
fmt.Println("exec failed,", err)
return
}
fmt.Println("delete succ")
}
