go get -u github.com/go-sql-driver/mysql

DROP TABLE IF EXISTS `student`;
CREATE TABLE `student` (`id` int(11) NOT NULL AUTO_INCREMENT,`name` varchar(50) CHARACTER SET latin1 NOT NULL DEFAULT '',`age` tinyint(4) DEFAULT '0',PRIMARY KEY (`id`)
) ENGINE=MyISAM AUTO_INCREMENT=4 DEFAULT CHARSET=utf8;

//mysql数据库,用户名:密码@tcp连接:端口3306/test库?字符集utf8
db, err := sql.Open("mysql", "root:root@tcp(127.0.0.1:3306)/test?charset=utf8") //返回连接字符，和err

package mainimport ("database/sql" // 这是一个抽象层包，比如区分mysql、orcal等数据库，只有这个包是连接不上mysql的，还需要搭配下面的mysql包"fmt"_ "github.com/go-sql-driver/mysql" //导入mysql驱动包
)func init() {}func main() {db, err := sql.Open("mysql", "root:root@tcp(127.0.0.1:3306)/test?charset=utf8")if err != nil {panic(err)}//增加数据stmt, err := db.Prepare(`INSERT student (name,age) values (?,?)`)res, err := stmt.Exec("wangwu", 26)id, err := res.LastInsertId()fmt.Println("自增id=", id)//修改数据stmt, err := db.Prepare(`UPDATE student SET age=? WHERE id=?`)res, err := stmt.Exec(21, 5)num, err := res.RowsAffected() //影响行数
        fmt.Println(num)//删除数据stmt, err := db.Prepare(`DELETE FROM student WHERE id=?`)res, err := stmt.Exec(5)num, err := res.RowsAffected()fmt.Println(num)//查询数据rows, err := db.Query("SELECT * FROM student")//--------简单一行一行输出---start//    for rows.Next() { //满足条件依次下一层//        var id int//        var name string//        var age int//        rows.Columns()//        err = rows.Scan(&id, &name, &age)//        fmt.Println(id)//        fmt.Println(name)//        fmt.Println(age)//    }//--------简单一行一行输出---end//--------遍历放入map----start//构造scanArgs、values两个数组，scanArgs的每个值指向values相应值的地址columns, _ := rows.Columns()scanArgs := make([]interface{}, len(columns))values := make([]interface{}, len(columns))for i := range values {scanArgs[i] = &values[i]}for rows.Next() {//将行数据保存到record字典err = rows.Scan(scanArgs...)record := make(map[string]string)for i, col := range values {if col != nil {record[columns[i]] = string(col.([]byte))}}fmt.Println(record)}//--------遍历放入map----end
}