解决问题:当redis服务端断开的时候`进程会崩溃(转载6哥笔记)

package main

import (
    "fmt"
    "github.com/astaxie/beego/logs"
    "github.com/garyburd/redigo/redis"
    "ha666/initial"
    _ "ha666/initial"
    "strconv"
    "time"
)

func main() {
    defer func() {
        if err := recover(); err != nil {
            logs.Error("【main】ex:%v", err)
            time.Sleep(time.Second)
        }
    }()
    logs.Info("开始")
    rc := initial.RedisClient.Get()
    defer rc.Close()
    for {
        bytesresult, err := redis.ByteSlices(rc.Do("TIME"))
        if err != nil {
            fmt.Println(err.Error())
            return
        }
        for _, v := range bytesresult {
            _, err = strconv.ParseInt(string(v), 10, 64)
            if err != nil {
                fmt.Println(err.Error())
                return
            }
            //fmt.Println(il)
        }
        time.Sleep(10 * time.Millisecond)
    }
}

上面犯了两个错误：

1、defer使用错误

2、redis客户端从pool取出来以后要判断错误

修正后的代码是这样的：

package main

import (
    "fmt"
    "github.com/astaxie/beego/logs"
    "github.com/garyburd/redigo/redis"
    "github.com/pkg/errors"
    "ha666/initial"
    _ "ha666/initial"
    "strconv"
    "time"
)

func main() {
    for {
        bytesresult, err := get_redis()
        if err != nil {
            fmt.Println(err.Error())
            continue
        }
        for _, v := range bytesresult {
            il, err := strconv.ParseInt(string(v), 10, 64)
            if err != nil {
                fmt.Println(err.Error())
                continue
            }
            fmt.Println(il)
        }
        time.Sleep(1000 * time.Millisecond)
    }
}

func get_redis() ([][]byte, error) {
    rc := initial.RedisClient.Get()
    if rc.Err() != nil {
        return nil, rc.Err()
    }
    defer rc.Close()
    bytesresult, err := redis.ByteSlices(rc.Do("TIME"))
    return bytesresult, err
}