文件名称:yuanchengxu2
介绍说明－－下载内容均来自于网络，请自行研究使用
输入英文字母串，在回车后实现大小写转换
按命令要求将字符串转换为全部大写或全部小写
非英文字母不允许输入并声响报警
-Enter letters strings, the carriage return after the realization of case conversion requested by the command string to all uppercase or all lowercase non-English characters are not allowed to enter and audible alarm
按命令要求将字符串转换为全部大写或全部小写
非英文字母不允许输入并声响报警
-Enter letters strings, the carriage return after the realization of case conversion requested by the command string to all uppercase or all lowercase non-English characters are not allowed to enter and audible alarm
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下载文件列表
yuanchengxu2.doc