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others/C/C++/src/main.cpp

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+#include "password_gui.hpp"
+
+int main(int argc, char** argv) {
+    PasswordGUI gui;
+    gui.show();
+    return Fl::run();
+}

others/C/C++/src/password_generator.cpp

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+#include "password_generator.hpp"
+#include <cstdlib>
+#include <ctime>
+
+PasswordGenerator::PasswordGenerator() {
+    srand(time(nullptr));
+}
+
+String PasswordGenerator::generate(int length, Mode mode) {
+    if (length < 1 || length > 100) {
+        return String("无效长度(1-100)");
+    }
+
+    switch (mode) {
+        case DIGITS:
+            return generateDigits(length);
+        case ENGLISH:
+            return generateEnglish(length);
+        case SYMBOLS:
+            return generateSymbols(length);
+        case DIGITS_ENGLISH: {
+            String charSet = String("0123456789") + 
+                           String("abcdefghijklmnopqrstuvwxyz") + 
+                           String("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
+            return generateMixed(length, charSet);
+        }
+        case DIGITS_SYMBOLS: {
+            String charSet = String("0123456789") + String("!@#$%^&*()_+-=[]{}|;:,.<>?");
+            return generateMixed(length, charSet);
+        }
+        case ENGLISH_SYMBOLS: {
+            String charSet = String("abcdefghijklmnopqrstuvwxyz") + 
+                           String("ABCDEFGHIJKLMNOPQRSTUVWXYZ") + 
+                           String("!@#$%^&*()_+-=[]{}|;:,.<>?");
+            return generateMixed(length, charSet);
+        }
+        default:
+            return String("不支持的模式");
+    }
+}
+
+String PasswordGenerator::generateDigits(int length) {
+    char* buffer = new char[length + 1];
+    for (int i = 0; i < length; ++i) {
+        buffer[i] = '0' + (rand() % 10);
+    }
+    buffer[length] = '\0';
+    
+    String result(buffer);
+    delete[] buffer;
+    return result;
+}
+
+String PasswordGenerator::generateEnglish(int length) {
+    char* buffer = new char[length + 1];
+    for (int i = 0; i < length; ++i) {
+        int choice = rand() % 2;
+        if (choice == 0) {
+            buffer[i] = 'a' + (rand() % 26); // 小写字母
+        } else {
+            buffer[i] = 'A' + (rand() % 26); // 大写字母
+        }
+    }
+    buffer[length] = '\0';
+    
+    String result(buffer);
+    delete[] buffer;
+    return result;
+}
+
+String PasswordGenerator::generateSymbols(int length) {
+    const char symbols[] = "!@#$%^&*()_+-=[]{}|;:,.<>?";
+    const int symbolCount = sizeof(symbols) - 1; // 减去末尾的\0
+    
+    char* buffer = new char[length + 1];
+    for (int i = 0; i < length; ++i) {
+        buffer[i] = symbols[rand() % symbolCount];
+    }
+    buffer[length] = '\0';
+    
+    String result(buffer);
+    delete[] buffer;
+    return result;
+}
+
+String PasswordGenerator::generateMixed(int length, const String& charSet) {
+    char* buffer = new char[length + 1];
+    for (int i = 0; i < length; ++i) {
+        buffer[i] = charSet.c_str()[rand() % charSet.length()];
+    }
+    buffer[length] = '\0';
+    
+    String result(buffer);
+    delete[] buffer;
+    return result;
+}

others/C/C++/src/password_gui.cpp

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+#include "password_gui.hpp"
+#include <cstdlib>
+
+PasswordGUI::PasswordGUI() {
+    window = new Fl_Window(400, 350, "密码生成器");
+    
+    lengthInput = new Fl_Input(150, 50, 200, 30, "密码长度:");
+    modeChoice = new Fl_Choice(150, 90, 200, 30, "密码模式:");
+    modeChoice->add("纯数字");
+    modeChoice->add("纯英文");
+    modeChoice->add("纯符号");
+    modeChoice->add("数字+英文");
+    modeChoice->add("数字+符号");
+    modeChoice->add("英文+符号");
+    modeChoice->value(0); // 默认选择纯数字模式
+    
+    generateButton = new Fl_Button(150, 140, 100, 40, "生成密码");
+    passwordOutput = new Fl_Output(100, 210, 250, 40, "生成结果:");
+
+    generateButton->callback(onGenerate, this);
+    window->end();
+}
+
+void PasswordGUI::show() {
+    window->show();
+}
+
+void PasswordGUI::onGenerate(Fl_Widget* widget, void* data) {
+    PasswordGUI* gui = static_cast<PasswordGUI*>(data);
+    const char* lengthStr = gui->lengthInput->value();
+    int length = atoi(lengthStr);
+    
+    PasswordGenerator::Mode mode = static_cast<PasswordGenerator::Mode>(gui->modeChoice->value());
+    String password = gui->generator.generate(length, mode);
+    gui->passwordOutput->value(password.c_str());
+}

others/C/C++/src/string.cpp

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+#include "string.hpp"
+#include <cstring>
+
+String::String() : data(nullptr), len(0) {}
+
+String::String(const char* str) {
+    len = strlen(str);
+    data = new char[len + 1];
+    strcpy(data, str);
+}
+
+String::String(const String& other) {
+    len = other.len;
+    data = new char[len + 1];
+    strcpy(data, other.data);
+}
+
+String::~String() {
+    delete[] data;
+}
+
+size_t String::length() const {
+    return len;
+}
+
+const char* String::c_str() const {
+    return data;
+}
+
+String& String::operator=(const String& other) {
+    if (this != &other) {
+        delete[] data;
+        len = other.len;
+        data = new char[len + 1];
+        strcpy(data, other.data);
+    }
+    return *this;
+}
+
+String String::operator+(const String& other) const {
+    String result;
+    result.len = len + other.len;
+    result.data = new char[result.len + 1];
+    strcpy(result.data, data);
+    strcat(result.data, other.data);
+    return result;
+}
+
+bool String::operator==(const String& other) const {
+    return strcmp(data, other.data) == 0;
+}