feat(auth): 添加完整的用户认证API项目
- 实现用户注册、登录、JWT令牌认证功能 - 集成Gin、GORM、Viper、Zap等框架 - 添加密码加密、数据库操作、中间件等完整功能 - 配置多环境支持、日志轮转、CORS处理 - 创建完整的项目结构和配置文件体系
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16
go并发模型/06go-atomic-cpu/atomic_cas.go
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go并发模型/06go-atomic-cpu/atomic_cas.go
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package main
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import (
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"fmt"
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"sync/atomic"
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)
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func main() {
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var value int64 = 0
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success := atomic.CompareAndSwapInt64(&value, 0, 42)
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fmt.Println("第一次 CAS 是否成功:", success, "当前值:", value)
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success = atomic.CompareAndSwapInt64(&value, 0, 100)
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fmt.Println("第二次 CAS 是否成功:", success, "当前值:", value)
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}
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go并发模型/06go-atomic-cpu/atomic_counter.go
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go并发模型/06go-atomic-cpu/atomic_counter.go
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package main
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import (
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"fmt"
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"sync"
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"sync/atomic"
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)
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func main() {
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var wg sync.WaitGroup
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var counter int64 // 注意必须是 int64/uint64 等特定类型
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for i := 0; i < 1000; i++ {
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wg.Add(1)
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go func() {
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defer wg.Done()
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for j := 0; j < 1000; j++ {
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atomic.AddInt64(&counter, 1)
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}
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}()
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}
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wg.Wait()
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fmt.Println("期待的结果:", 1000*1000)
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fmt.Println("实际结果:", counter)
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}
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24
go并发模型/06go-atomic-cpu/cpu_busy_loop.go
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go并发模型/06go-atomic-cpu/cpu_busy_loop.go
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package main
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import (
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"fmt"
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"sync/atomic"
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"time"
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)
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func main() {
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var stop int32 = 0
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go func() {
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for atomic.LoadInt32(&stop) == 0 {
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// 忙等:什么也不干,不让出 CPU
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}
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fmt.Println("worker 退出")
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}()
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time.Sleep(2 * time.Second)
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fmt.Println("main: 设置 stop=1")
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atomic.StoreInt32(&stop, 1)
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time.Sleep(1 * time.Second)
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}
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go并发模型/06go-atomic-cpu/cpu_channel_wait.go
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go并发模型/06go-atomic-cpu/cpu_channel_wait.go
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package main
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import (
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"fmt"
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"time"
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)
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func main() {
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stop := make(chan struct{})
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go func() {
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select {
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case <-stop:
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fmt.Println("worker 收到停止信号,退出")
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}
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}()
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time.Sleep(2 * time.Second)
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fmt.Println("main: 关闭 stop channel")
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close(stop)
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time.Sleep(1 * time.Second)
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}
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3
go并发模型/06go-atomic-cpu/go.mod
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3
go并发模型/06go-atomic-cpu/go.mod
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module go-atomic-cpu
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go 1.22.2
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