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redis签到golang实现
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| package main | |
| import ( | |
| "fmt" | |
| "github.com/gomodule/redigo/redis" | |
| "time" | |
| ) | |
| //redis bitmap | |
| // getbit setbit bitfield | |
| //前20位为注册日期 | |
| // 0-11 位表示年 | |
| // 12-15 位表示月 | |
| // 16-20 为表示日 | |
| // 21-36 位 为连续签到日期。 | |
| // 37开始为签到日 | |
| func setYear(c redis.Conn, key string,y int){ | |
| result,err:=c.Do("bitfield",key,"set","u12",0,y) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| fmt.Println(result) | |
| } | |
| func setMonth(c redis.Conn, key string, m int){ | |
| result,err:=c.Do("bitfield",key,"set","u4",12,m) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| fmt.Println(result) | |
| } | |
| func getYear(c redis.Conn, key string) interface{}{ | |
| result,err:=c.Do("bitfield",key,"get","u12",0) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| return (result.([]interface{})[0]) | |
| } | |
| func getMonth(c redis.Conn, key string) interface{}{ | |
| result,err:=c.Do("bitfield",key,"get","u4",12) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| return (result.([]interface{})[0]) | |
| } | |
| func setDay(c redis.Conn, key string, day int) { | |
| result,err:=c.Do("bitfield",key,"set","u5",16,day) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| fmt.Println(result) | |
| } | |
| func getDay(c redis.Conn, key string) interface{}{ | |
| result,err:=c.Do("bitfield",key,"get","u5",16) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| return (result.([]interface{})[0]) | |
| } | |
| func getRegister(c redis.Conn, key string){ | |
| year := getYear(c,key) | |
| month := getMonth(c,key) | |
| day := getDay(c,key) | |
| fmt.Println(year,month,day) | |
| } | |
| func Register(c redis.Conn, key string, date time.Time){ | |
| setDay(c,key,date.Day()) | |
| setMonth(c,key,int(date.Month())) | |
| setYear(c,key,date.Year()) | |
| } | |
| func checkIn(c redis.Conn, key string,offset int){ | |
| if offset == 0{ | |
| c.Do("bitfield",key,"set","u16",21,1) | |
| }else { | |
| result,_:=c.Do("getbit",key, (37 + offset -1)) | |
| a :=(result.(int64)) | |
| fmt.Println("a is ,",a) | |
| if a ==0{ | |
| fmt.Println(a) | |
| c.Do("bitfield",key,"set","u16",21,1) | |
| }else{ | |
| result,_ :=c.Do("bitfield",key,"get","u16",21) | |
| day :=(result.([]interface{})[0]) | |
| new_day :=day.(int64)+1 | |
| c.Do("bitfield",key,"set","u16",21,new_day) | |
| } | |
| } | |
| result,err:=c.Do("setbit",key, (37 + offset ),1) | |
| if err != nil { | |
| // handle error | |
| fmt.Println(err) | |
| } | |
| fmt.Println(result) | |
| } | |
| func main(){ | |
| c, err := redis.Dial("tcp", ":6379") | |
| if err != nil { | |
| // handle error | |
| } | |
| username := "xxx2019" | |
| //注册时间 | |
| registerDate :=time.Date(2019,2,22,0,0,0,0,time.Local) | |
| //Register(c, username, registerDate) | |
| now := time.Now() | |
| today:=time.Date(now.Year(),now.Month(),now.Day(),0,0,0,0,time.Local) | |
| check_offset := (today.Sub(registerDate).Hours())/24 | |
| fmt.Println(check_offset) | |
| checkIn(c,username,int(check_offset)) | |
| defer c.Close() | |
| } |
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