MFC实现简单计算器（支持加减乘除和括号运算）

[{"title":"（ 42 个子文件 1004KB ） MFC实现简单计算器（支持加减乘除和括号运算）","children":[{"title":"Calculator","children":[{"title":"Calculator.sln <span style='color:#111;'> 897B </span>","children":null,"spread":false},{"title":"Calculator","children":[{"title":"Calculator.vcxproj <span style='color:#111;'> 8.06KB </span>","children":null,"spread":false},{"title":"Calculator.rc <span style='color:#111;'> 16.31KB </span>","children":null,"spread":false},{"title":"resource.h <span style='color:#111;'> 5.79KB </span>","children":null,"spread":false},{"title":"stdafx.h <span style='color:#111;'> 1.59KB </span>","children":null,"spread":false},{"title":"Calculator.vcxproj.filters <span style='color:#111;'> 6.43KB </span>","children":null,"spread":false},{"title":"CalculatorDlg.cpp <span style='color:#111;'> 13.01KB </span>","children":null,"spread":false},{"title":"targetver.h <span style='color:#111;'> 234B </span>","children":null,"spread":false},{"title":"CalculatorDlg.h <span style='color:#111;'> 1.99KB </span>","children":null,"spread":false},{"title":"Calculator.h <span style='color:#111;'> 466B </span>","children":null,"spread":false},{"title":"Calculator.aps <span style='color:#111;'> 586.80KB </span>","children":null,"spread":false},{"title":"stdafx.cpp <span style='color:#111;'> 143B </span>","children":null,"spread":false},{"title":"ReadMe.txt <span style='color:#111;'> 3.12KB </span>","children":null,"spread":false},{"title":"Calculator.vcxproj.user <span style='color:#111;'> 143B </span>","children":null,"spread":false},{"title":"Calculator.cpp <span style='color:#111;'> 2.00KB </span>","children":null,"spread":false},{"title":"res","children":[{"title":"=.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"back2.png <span style='color:#111;'> 200B </span>","children":null,"spread":false},{"title":"8.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"3.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"2.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"9.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"ac.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"0.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"lk.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"backspace.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"back.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"X.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"6.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"-.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"Calculator.rc2 <span style='color:#111;'> 676B </span>","children":null,"spread":false},{"title":"back1.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"4.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"7.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"c.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"d.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"+.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"5.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"1.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false},{"title":"Mario.ico <span style='color:#111;'> 355.04KB </span>","children":null,"spread":false},{"title":"rk.bmp <span style='color:#111;'> 8.96KB </span>","children":null,"spread":false}],"spread":false}],"spread":false},{"title":"Calculator_Release.exe <span style='color:#111;'> 2.16MB </span>","children":null,"spread":false},{"title":"Calculator.suo <span style='color:#111;'> 29.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]