<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                mysql事務特性: ~~~ 1) 原子性 2) 一致性 3) 隔離性 4) 持久性 ~~~ golang MySQL事務應用: ~~~ 1) import (“github.com/jmoiron/sqlx") 2) Db.Begin() 開始事務 3) Db.Submit() 提交事務 4) Db.Rollback() 回滾事務 ~~~ ~~~ 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", "root:root@tcp(127.0.0.1:3306)/test") if err != nil { fmt.Println("open mysql failed,", err) return } Db = database } func main() { conn, err := Db.Begin() if err != nil { fmt.Println("begin failed :", err) return } r, err := conn.Exec("insert into person(username, sex, email)values(?, ?, ?)", "stu001", "man", "stu01@qq.com") if err != nil { fmt.Println("exec failed, ", err) conn.Rollback() return } id, err := r.LastInsertId() if err != nil { fmt.Println("exec failed, ", err) conn.Rollback() return } fmt.Println("insert succ:", id) r, err = conn.Exec("insert into person(username, sex, email)values(?, ?, ?)", "stu001", "man", "stu01@qq.com") if err != nil { fmt.Println("exec failed, ", err) conn.Rollback() return } id, err = r.LastInsertId() if err != nil { fmt.Println("exec failed, ", err) conn.Rollback() return } fmt.Println("insert succ:", id) conn.Commit() } ~~~ 輸出結果: ~~~ insert succ: 2 insert succ: 3 ~~~ 查看MySQL: ~~~ mysql> select * from person; +---------+----------+------+--------------+ | user_id | username | sex | email | +---------+----------+------+--------------+ | 2 | stu001 | man | stu01@qq.com | | 3 | stu001 | man | stu01@qq.com | +---------+----------+------+--------------+ 2 rows in set (0.00 sec) ~~~
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看