go语言之行--golang操作redis、mysql大全

https://www.cnblogs.com/wdliu/p/9330278.html

http://www.topgoer.com/数据库操作/go操作redis/redis介绍.html

package main

import (
	"bufio"
	"fmt"
	"github.com/garyburd/redigo/redis"
	"os"
	"time"
)


var RedisConn redis.Conn

func init()  {
	InitRedis()
}

func InitRedis()  {
	rConn, err := redis.Dial("tcp", "10.10.10.141:6379")
	RedisConn = rConn
	if err != nil {
		fmt.Println("conn redis failed,", err)
		return
	}
	//defer RedisConn.Close()
	//连接密码
	_, err = RedisConn.Do("Auth", "123456")
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println("redis conn success")
}

func main() {

	//testString()
	testHash()

	Log("log","main","22222")
}

func testString()  {

	_, err := RedisConn.Do("Set", "abc", 10333)
	if err != nil {
		fmt.Println(err)
		return
	}

	r, err := redis.Int(RedisConn.Do("Get", "abc"))
	if err != nil {
		fmt.Println("get abc failed,", err)
		return
	}

	fmt.Println(r)

}

func testHash()  {

	_, err := RedisConn.Do("HSet", "masscan","taskName", "123123")
	if err != nil {
		fmt.Println("redis HSet error:", err)
	}

	r, err := redis.String(RedisConn.Do("HGet", "masscan","taskName"))
	if err != nil {
		fmt.Println("redis HGet error:", err)
		return
	}

	fmt.Println(r)

}


//DebugLog2 自定义日志文件
/*
*　dir　文件夹名字
*　fileName　文件名字
*　args　要写入的数据
 */
func Log(dir string, fileName string, args ...interface{}) error {
	var floderLog = "logs"
	if fileName != "" {
		floderLog = floderLog + "/" + dir
	}
	logName := floderLog + "/" + fileName + time.Now().Format("2006-01-02") + ".log"
	if _, err := os.Stat(floderLog); err != nil {
		if !os.IsExist(err) {
			os.MkdirAll(floderLog, os.ModePerm)
		}
	}

	logFile, err := os.OpenFile(logName, os.O_APPEND|os.O_RDWR|os.O_CREATE, os.ModePerm)
	if err != nil {
		fmt.Println("打开文件失败 err:", err)
		return err
	}
	defer logFile.Close()
	tm := time.Now().Format("2006-01-02 15:04:05")

	//方法一：os包
	// logBody := fmt.Sprintf("%s star============================================>\r\n", tm)
	// logFile.WriteString(logBody)
	// logBody = fmt.Sprintf("%+v\r\n", args)
	// logFile.WriteString(logBody)
	// logBody = fmt.Sprintf("\r\n")
	// logFile.WriteString(logBody)

	//方法二：bufio包
	writer := bufio.NewWriter(logFile)
	logBody := fmt.Sprintf("%s star============================================>\r\n", tm)
	writer.WriteString(logBody) //写入缓存
	logBody = fmt.Sprintf("%+v\r\n", args)
	writer.WriteString(logBody)
	logBody = fmt.Sprintf("\r\n")
	writer.WriteString(logBody)

	writer.Flush() //从缓存写入文件
	return nil
}