{"id":27044779,"url":"https://github.com/berkaroad/clock","last_synced_at":"2025-04-05T05:30:06.848Z","repository":{"id":57708215,"uuid":"503792612","full_name":"berkaroad/clock","owner":"berkaroad","description":"提供时钟接口，并提供设置全局时钟和获取全局时钟的当前时间。","archived":false,"fork":false,"pushed_at":"2022-06-20T10:03:16.000Z","size":5,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2024-06-21T03:14:19.466Z","etag":null,"topics":["clock","now","ntp","time"],"latest_commit_sha":null,"homepage":"","language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/berkaroad.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2022-06-15T14:08:22.000Z","updated_at":"2024-06-21T03:14:19.467Z","dependencies_parsed_at":"2022-09-08T10:10:10.461Z","dependency_job_id":null,"html_url":"https://github.com/berkaroad/clock","commit_stats":null,"previous_names":[],"tags_count":1,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkaroad%2Fclock","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkaroad%2Fclock/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkaroad%2Fclock/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkaroad%2Fclock/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/berkaroad","download_url":"https://codeload.github.com/berkaroad/clock/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247293915,"owners_count":20915327,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["clock","now","ntp","time"],"created_at":"2025-04-05T05:30:05.950Z","updated_at":"2025-04-05T05:30:06.716Z","avatar_url":"https://github.com/berkaroad.png","language":"Go","funding_links":[],"categories":[],"sub_categories":[],"readme":"# clock\n\n提供时钟接口，并提供设置全局时钟和获取全局时钟的当前时间。\n\n- 提供基于系统时间的时钟（SystemClock）\n\n- 提供基于NTP服务的时钟（NTPClock）\n\n- 提供只能前进滚动的时钟（ForwardOnlyClock），即该时钟只允许往大调（递增），不能往小调（递减）\n\n- 可设置全局时钟（只能设置一次，防止运行期间被修改）\n\n## 用法\n\n- 基于系统时钟（SystemClock）的只能前进滚动的时钟（ForwardOnlyClock）\n\n```go\npackage main\n\nimport (\n    \"fmt\"\n    \"time\"\n\n    \"github.com/berkaroad/clock\"\n)\n\nfunc main() {\n    var startTs int64 = 1655431380 // 2022-06-17 10:03:00\n    // 将系统时钟作为参照物\n    var refClock clock.Clock = clock.NewSystemClock()\n    // 设置 ForwardOnlyClock 为全局时钟\n    clock.SetGlobal(clock.NewForwardOnlyClock(startTs, refClock))\n\n    for i := 0; i \u003c 10; i++ {\n        \u003c-time.After(time.Second)\n        // 打印系统时钟、全局时钟\n        fmt.Printf(\"system clock: %v, global clock: %v\\n\", refClock.Now(), clock.Now())\n    }\n}\n```\n\n- 基于NTP时钟（NTPClock）的只能前进滚动的时钟（ForwardOnlyClock）\n\n```go\npackage main\n\nimport (\n    \"fmt\"\n    \"time\"\n\n    \"github.com/berkaroad/clock\"\n)\n\nfunc main() {\n    var startTs int64 = 1655431380 // 2022-06-17 10:03:00\n    // 将NTP时钟作为参照物\n    var refClock clock.Clock = clock.NewNTPClock([]string{\"pool.ntp.org\"}, ntp.QueryOptions{Timeout: time.Second})\n    // 设置 ForwardOnlyClock 为全局时钟\n    clock.SetGlobal(clock.NewForwardOnlyClock(startTs, refClock))\n\n    for i := 0; i \u003c 10; i++ {\n        \u003c-time.After(time.Second)\n        // 打印ntp时钟、全局时钟\n        fmt.Printf(\"ntp clock: %v, global clock: %v\\n\", refClock.Now(), clock.Now())\n    }\n}\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fberkaroad%2Fclock","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fberkaroad%2Fclock","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fberkaroad%2Fclock/lists"}