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39 lines
1.3 KiB
39 lines
1.3 KiB
1 year ago
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#include <iostream>
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#include <Windows.h>
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//#include <dlfcn.h> windows 上没有这个头文件
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// 声明DLL中的函数原型
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typedef void (*PrintWelcomeMessage)();
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typedef int (*Sub)(int, int);
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typedef bool (*IsEven)(int);
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int main() {
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HMODULE dllHandle = LoadLibrary("..\\lib\\libdynLib.dll"); // 加载DLL
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if (dllHandle != nullptr) {
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// 获取DLL中的函数地址
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PrintWelcomeMessage printWelcomeMessage = (PrintWelcomeMessage)GetProcAddress(dllHandle, "printWelcomeMessage");
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Sub sub = (Sub)GetProcAddress(dllHandle, "sub");
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IsEven isEven = (IsEven)GetProcAddress(dllHandle, "isEven");
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if (printWelcomeMessage != nullptr && sub != nullptr && isEven != nullptr) {
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// 调用DLL中的函数
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printWelcomeMessage();
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int a = 22;
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int b = 2;
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int result = sub(a, b);
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bool even = isEven(result);
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std::cout << a << " - " << b << " = " << result << std::endl;
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std::cout << "IsEven(" << result << ") = " << even << std::endl;
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} else {
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std::cerr << "Failed to get function address from DLL." << std::endl;
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}
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// 卸载DLL
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FreeLibrary(dllHandle);
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} else {
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std::cerr << "Failed to load DLL." << std::endl;
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}
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return 0;
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}
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