2021-05-05 17:13:49 +00:00
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---
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id: 5ea9997bbec2e9bc47e94db4
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2021-07-16 05:33:16 +00:00
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title: 開發一個端口掃描器
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2021-05-05 17:13:49 +00:00
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challengeType: 11
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videoId: z_qkqZS7KZ4
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2021-10-03 19:24:27 +00:00
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bilibiliIds:
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aid: 208077317
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bvid: BV1Uh411p7HS
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cid: 409036706
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2021-05-05 17:13:49 +00:00
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dashedName: developing-a-port-scanner
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---
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# --question--
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## --text--
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2021-07-16 05:33:16 +00:00
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`.connect()` 和 `.connect_ex()` 方法的主要區別是什麼？
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2021-05-05 17:13:49 +00:00
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## --answers--
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2021-07-16 05:33:16 +00:00
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這兩種方法之間沒有區別。
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2021-05-05 17:13:49 +00:00
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---
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2021-07-16 05:33:16 +00:00
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如果有錯誤或沒有找到主機，`.connect()` 返回一個錯誤代碼，而 `.connect_ex()` 則引發一個異常。
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2021-05-05 17:13:49 +00:00
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---
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2021-07-16 05:33:16 +00:00
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如果有錯誤或沒有找到主機，`.connect()` 會引發一個異常，而 `.connect_ex()` 會返回一個錯誤代碼。
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2021-05-05 17:13:49 +00:00
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## --video-solution--
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3
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