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@ -645,7 +645,39 @@ Book* read1()
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文件保存
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从文件读取
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上述各模块通过主程序（main）进行调用，系统模块图如下:
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+----------------+ +----------------+
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| Start | | End |
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| ShowMainMenu | | ShowLibInfo |
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| ShowLibBook | | AddBook |
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| DealoldBook | | foundBook |
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| foundReader_Info| | foundReaderInfo|
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| LendBook | | returnBook |
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+----------------+ +----------------+
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v v
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+----------------+ +----------------+
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| save | | read1 |
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+----------------+ +----------------+
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## 详细设计
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