30 lines
652 B
Go
30 lines
652 B
Go
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package main
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import (
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"database/sql"
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_ "github.com/go-sql-driver/mysql" //自动执行init()
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"log"
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)
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// go链接mysql示例
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func main() {
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//数据库信息
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dsn := "root:123456@tcp(43.143.245.135:3306)/wangaodev"
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//连接数据库
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db, err := sql.Open("mysql", dsn) //不会校验用户名和密码是否正确
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if err != nil {
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//dsn 格式不正确会报错
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log.Fatalf("dsn:%s invalid ,err%v\n", dsn, err)
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return
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}
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//校验用户名和密码是否正确
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//尝试连接数据库
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err = db.Ping()
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if err != nil {
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log.Fatalf("open %s failed,err%v\n", dsn, err)
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return
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}
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log.Printf("connect %s success.\n", dsn)
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defer db.Close()
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}
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