Golang之Mysql事务
package mainimport (
"fmt" _
"github.com/go-sql-driver/mysql" //初始化一个mysql驱动，必须 "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() {
//"mysql"指定数据库类型，/test指定打开的数据库root:123 冒号隔开密码 root账号 123密码
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() {
//事务操作
conn, err := Db.Begin()
if err != nil {
return
}
//插入数据入表
r, err := Db.Exec("insert into person(username,sex,email)values(?,?,?)", "chaoge", "man", "yc_uuu@163.com")
if err != nil {
fmt.Println("exec failed,", err)
return
}
id, err := r.LastInsertId()
if err != nil {
fmt.Println("exec failed,", err)
//回滚
conn.Rollback()
return
}
fmt.Println("insert succ:",> //提交事务
conn.Commit()
}
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