字符串切片的sql.Rows

import (
    "database/sql"
    "fmt"
    _ "github.com/go-sql-driver/mysql"
)

func main() {
    // 连接数据库
    db, err := sql.Open("mysql", "user:password@tcp(127.0.0.1:3306)/database")
    if err != nil {
        fmt.Println("数据库连接失败：", err)
        return
    }
    defer db.Close()

    // 执行查询语句
    rows, err := db.Query("SELECT id, name, age FROM users")
    if err != nil {
        fmt.Println("查询失败：", err)
        return
    }
    defer rows.Close()

    // 遍历结果集
    for rows.Next() {
        var id int
        var name string
        var age int
        err := rows.Scan(&id, &name, &age)
        if err != nil {
            fmt.Println("数据读取失败：", err)
            return
        }
        fmt.Println("ID:", id, "Name:", name, "Age:", age)
    }
    if err := rows.Err(); err != nil {
        fmt.Println("遍历结果集失败：", err)
        return
    }
}