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add limiter
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,74 @@ | ||
| ## 限流器 | ||
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| ## 限流器(cache) | ||
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| ```go | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "sync" | ||
| "time" | ||
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| "github.com/xxjwxc/gowp/limiter" | ||
| ) | ||
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| func main() { | ||
| limiter := limiter.NewLimiter(limiter.WithLimit(10), limiter.WithNamespace("test"), limiter.WithTsTimeout(true) /*, limiter.WithRedis(res)*/) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < 20; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| token, _ := limiter.Acquire(10) // 获取一个 | ||
| fmt.Println(token) | ||
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| time.Sleep(1 * time.Second) | ||
| limiter.Release(token) // 回退 | ||
| }() | ||
| } | ||
| wg.Wait() | ||
| fmt.Println("down") | ||
| } | ||
| ``` | ||
| ## 限流器(redis) | ||
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| ```go | ||
| package main | ||
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| import ( | ||
| "fmt" | ||
| "sync" | ||
| "time" | ||
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| "github.com/xxjwxc/gowp/limiter" | ||
| "github.com/xxjwxc/public/myredis" | ||
| ) | ||
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| func main() { | ||
| conf := myredis.InitRedis(myredis.WithAddr("127.0.0.1:6379"), myredis.WithPwd("123456"), myredis.WithGroupName("test")) | ||
| res, err := myredis.NewRedis(conf) | ||
| if err != nil { | ||
| fmt.Println(err) | ||
| return | ||
| } | ||
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| limiter := limiter.NewLimiter(limiter.WithRedis(res), limiter.WithLimit(10), limiter.WithNamespace("test") /*, limiter.WithRedis(res)*/) | ||
| var wg sync.WaitGroup | ||
| for i := 0; i < 20; i++ { | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| token, _ := limiter.Acquire(10) // 获取一个 | ||
| fmt.Println(token) | ||
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| time.Sleep(1 * time.Second) | ||
| limiter.Release(token) // 回退 | ||
| }() | ||
| } | ||
| wg.Wait() | ||
| fmt.Println("down") | ||
| } | ||
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| ``` |
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