Qt做的简易计算器程序，有加减乘除功能

[{"title":"（ 5 个子文件 3KB ） Qt做的简易计算器程序，有加减乘除功能","children":[{"title":"calculator.pro <span style='color:#111;'> 383B </span>","children":null,"spread":false},{"title":"calculator.ui <span style='color:#111;'> 4.85KB </span>","children":null,"spread":false},{"title":"calculator.cpp <span style='color:#111;'> 2.45KB </span>","children":null,"spread":false},{"title":"calculator.h <span style='color:#111;'> 1.13KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 183B </span>","children":null,"spread":false}],"spread":true}]