go语言怎么和mysql数据库进行链接

东坡下载 2013年07月24日 21:52:40

      在网上找了一大堆例子,最后简化一下把,一下会从安装mysql开始,与大家分享一下如何用go链接服务器上的mysql

      我用的是ubuntu系统

      1,安装mysql:sudo apt-get install mysql-server (记住root的密码假设密码为root123)

      2,进入mysql:mysql -uroot -p 然后输入密码

      3,创建一个数据库:create database people;

      4,给数据库people添加用户:GRANT ALL PRIVILEGES ON people.* TO peo@localhost IDENTIFIED BY "peo123";

      5,调整数据库配置以便于远程访问:GRANT ALL PRIVILEGES ON people.* TO peo@“%” IDENTIFIED BY "peo123"; 然后推出mysql执行:sudo nano /etc/mysql/my.cnf

      修改bind-address=127.0.0.1 到bind-address= 机器的IP(就是安装mysql的机器的ip)

      6,重启mysql:sudo /etc/init.d/mysql restart

      7,建表:首先进入mysql:mysql -u peo -p

      进入数据库下:use people

      创建表:create table hello(age int, name varchar(10));

      插入一条数据:insert into hello(age, name) values(19, "hello world");

      至此数据库方面的工作已经做好,接下来是go语言了

      8,首先下载mysql的驱动包(应该是这样叫)执行 go get github.com/go-sql-driver/mysql代码会下载到你的gopath下(执行export可以查看gopath)

      接着就是下面的代码了

      package main
      import "database/sql"
      import _ "github.com/go-sql-driver/mysql"
      import "encoding/json"
      import "fmt"
      type User struct {
      Age     int `json:"age"`
      Name string `json:"name"`
      }
      func main() {
      fmt.Println("start")
      db, err := sql.Open("mysql", "peo:peo123@tcp(192.168.0.58:3306)/people?charset=utf8")
      if err != nil {
      panic(err)
      }
      rows, err := db.Query("select age,name from hello")
      if err != nil {
      panic(err)
      }
      defer rows.Close()
      for rows.Next() {
      user := &User{}
      err = rows.Scan(&user.Age, &user.Name)
      if err != nil {
      painc(err)
      }
      b, _ := json.Marshal(user)
      fmt.Println(string(b))
      }
      println("end")
      }
      至此结束