文件名称:data_add_deltet_query
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把数据存在本地文件中,并通过指针实现增删改查(网上查的删除,修改原文件内容比较麻烦,我试图通过指针实现)-The presence of a local data file and realized through a pointer CRUD (online search, delete, modify the contents of the original file is too much trouble, I m trying to achieve through a pointer)
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data_add_deltet_query.cpp