golang：redisgo中hmset的使用

本是古典何须时尚 2022-01-28 06:36 650阅读 0赞

package main
    
    import (
    	"fmt"
    	"github.com/gomodule/redigo/redis"
    	"os"
    	"time"
    )
    
    
    
    //构造一个链接函数，如果没有密码，passwd为空字符串
    func redisConn(ip,port,passwd string) (redis.Conn, error) {
        
    	c,err := redis.Dial("tcp",
    		ip+":"+port,
    		redis.DialConnectTimeout(5*time.Second),
    		redis.DialReadTimeout(1*time.Second),
    		redis.DialWriteTimeout(1*time.Second),
    		redis.DialPassword(passwd),
    		redis.DialKeepAlive(1*time.Second),
    	)
    	return c,err
    }
    
    //构造一个错误检查函数
    func errCheck(tp string,err error) {
        
    	if err != nil {
        
    		fmt.Printf("sorry,has some error for %s.\r\n",tp,err)
    		os.Exit(-1)
    	}
    }
    
    //构造实际场景的hash结构体
    var p1,p2 struct {
        
    	Description  string `redis:"description"`
    	Url          string `redis:"url"`
    	Author       string `redis:"author"`
    }
    
    func main(){
        
    	c, cErr := redisConn("localhost", "6379", "")
    	errCheck("conn", cErr)
    
    	defer c.Close()
    
    	p1.Description = "my blog"
    	p1.Url = "http:"
    	p1.Author = "bgbiao"
    
    	_, hmsetErr := c.Do("hmset", redis.Args{
        }.Add("hao123").AddFlat(&p1)...)
    	errCheck("hmset", hmsetErr)
    
        m := map[string]string{
        
    		"description":    "oschina",
    		"url":            "http://my.oschina.net/myblog",
    		"author":         "xxbandy",
    	}
    
        _, hmsetErr = c.Do("hmset", redis.Args{
        }.Add("xie").AddFlat(m)...)
    	errCheck("hmset1",hmsetErr)
    
        for _, key := range []string{
        "hao123", "xie"}{
        
    		hashV2,_ := redis.Strings(c.Do("hmget",key,"description","url","author"))
    		for _,hashv := range hashV2 {
        
    			fmt.Println(hashv)
    		}
    	}
    
    
    
    	v, err := redis.Values(c.Do("hgetall", "hao"))
    	errCheck("hmgetV", err)
    
    	if err := redis.ScanStruct(v,&p1);err != nil {
        
    		fmt.Println(err)
    		return
    	}
    
    
    	fmt.Printf("%+v\n",p1)
    	fmt.Println(p1.Author)
    }