Initial commit: C++ courseware

2.Course/3.Project/指针修改指定地址值/循环输出血量.cpp

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+#include <bits/stdc++.h>
+using namespace std;
+
+
+struct Hero{
+	int life = 10000;
+	int attack = 10;
+};
+
+struct Monster{
+	int life = 10000;
+	int attack = 100;
+};
+
+int main(){
+	Hero h; Monster m;
+	cout << "Hero的血量内存地址为：" << &h.life << endl;
+	cout << "Hero的攻击力内存地址为：" << &h.attack << endl;
+	cout << "Monster的血量内存地址为：" << &m.life << endl;
+	cout << "Monster的攻击力内存地址为：" << &m.attack << endl;
+	system("pause");
+	int count = 0;
+	while(true){
+		if(m.life <= 0){
+			cout << "玩家打败了怪物！" << endl;
+			break;
+		}
+		if(h.life <= 0){
+			cout << "怪物打败了玩家！" << endl;
+			break;
+		}
+		h.life -= m.attack;
+		m.life -= h.attack;
+		cout << "--------第<< count << "次攻击-----------";
+		cout << "玩家对怪物造成了：" << h.attack << "点伤害" << endl;
+		cout << "怪物对玩家造成了：" << m.attack << "点伤害" << endl;
+		cout << "玩家血量：" << h.life << endl;
+		cout << "怪物血量：" << m.life << endl;
+		cout << endl;
+		_sleep(5000);
+	}
+}

2.Course/3.Project/指针修改指定地址值/指针更改进程血量.cpp

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+#include <windows.h>
+#include <iostream>
+using namespace std;
+
+int main() {
+    int pid;
+    cout << "请输入目标进程 PID：" << endl;
+    cin >> pid;
+
+    // 使用 OpenProcess 打开目标进程,可以通过 hProcess 去访问这个程序内的所有内存数据
+    // PROCESS_ALL_ACCESS 表示请求所有权限
+    HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, 0, pid);
+	if(hProcess == nullptr){
+		cout << "无效进程";
+		return 0;
+	}
+
+    // 要写入的内存地址以字符串形式输入
+    string addr;
+    cin >> addr;
+
+    // 将字符串转换为无符号长整型 (unsigned long long)，然后转换为 int* 指针
+    // stoull 可以将字符串解转为 unsigned long long
+    int* address = (int*)stoull(addr);
+    // 你想要修改的值
+    int newLife;
+    cin >> newLife;
+
+    // 将 newLife 的值写入到目标进程的指定内存地址
+    WriteProcessMemory(hProcess, address, &newLife, sizeof(newLife), 0);
+
+    CloseHandle(hProcess);
+    return 0;
+}