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@ -226,6 +226,9 @@ Step 2.12: if c == CMD_QUIT then 退出程序
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##### save_data
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##### save_data
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step1.输入保存数据,并判断文件是否为空
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step2.若文件不空打印保存学生学号、姓名、成绩
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step3.保存成功关闭文件
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@ -239,6 +242,8 @@ Step 2.12: if c == CMD_QUIT then 退出程序
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###### printf_data
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###### printf_data
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step1.输入"number,name,score"
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step2.循环打印学生学号、姓名和成绩
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##### sort_data
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##### sort_data
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