C++之文件重定向 通過txt讀入數據和txt寫數據

原創 Lynn_lurk 2020-02-20 23:18

txt輸入

項目名稱1test11，源文件1teat25


編譯1test25後，找到工程的編譯文件1test11.exe；數據輸入文件dataIn，數據輸出文件dataOut。

dataIn說明：第一列 書編號；第二列：書數量；第三列 書單價；

dataOut說明：第一列 書編號；第二列 書總數量； 第三列 書總價 ； 第四列 書單價。

關鍵cmd命令：編譯文件exe名稱  <輸入文件名  >輸出文件名


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