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package main
import (
"database/sql"
"fmt"
"testing"
_ "github.com/go-sql-driver/mysql"
)
func TestMysql(t *testing.T) {
db, err := sql.Open("mysql", "root:123456@/test?charset=utf8")
checkErr(t,err)
//插入数据
stmt, err := db.Prepare("INSERT INTO userinfo SET username=?,department=?,created=?")
checkErr(t,err)
res, err := stmt.Exec("astaxie", "研发部门", "2012-12-09")
checkErr(t,err)
id, err := res.LastInsertId()
checkErr(t,err)
fmt.Println(t,id)
//更新数据
stmt, err = db.Prepare("update userinfo set username=? where uid=?")
checkErr(t,err)
res, err = stmt.Exec("astaxieupdate", id)
checkErr(t,err)
affect, err := res.RowsAffected()
checkErr(t,err)
fmt.Println(affect)
//查询数据
rows, err := db.Query("SELECT * FROM userinfo")
checkErr(t,err)
for rows.Next() {
var uid int
var username string
var department string
var created string
err = rows.Scan(&uid, &username, &department, &created)
checkErr(t,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(t,err)
res, err = stmt.Exec(id)
checkErr(t,err)
affect, err = res.RowsAffected()
checkErr(t,err)
fmt.Println(affect)
db.Close()
}
//出现重复定义了,为了测试,就注释掉了
// func checkErr(t *testing.T,err error) {
// if err != nil {
// t.Errorf("出现错误")
// }
// }
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