做网站为什么很复杂,最简单的免费网站制作模板,wordpress 图片位置,网站 网安备案查询windows c 不堵塞 监听键盘输入 支持修改已经输入的内容,并且记录最近30条记录,多了覆盖,通过上下方向按键来显示历史记录
代码如下#xff1a;
#include iostream
#include windows.h
#include vector
#include stringint main() {std::ve…windows c 不堵塞 监听键盘输入 支持修改已经输入的内容,并且记录最近30条记录,多了覆盖,通过上下方向按键来显示历史记录
代码如下
#include iostream
#include windows.h
#include vector
#include stringint main() {std::vectorstd::string history;int historyIndex -1;std::string input ;HANDLE hInput GetStdHandle(STD_INPUT_HANDLE);SetConsoleMode(hInput, ENABLE_WINDOW_INPUT);while (true) {DWORD numEvents;INPUT_RECORD irInBuf[128];DWORD numEventsRead;if (GetNumberOfConsoleInputEvents(hInput, numEvents) numEvents 0) {ReadConsoleInput(hInput, irInBuf, 128, numEventsRead);for (DWORD i 0; i numEventsRead; i) {if (irInBuf[i].EventType KEY_EVENT irInBuf[i].Event.KeyEvent.bKeyDown) {char key irInBuf[i].Event.KeyEvent.uChar.AsciiChar;if (key \r) { // Enter keyif (!input.empty()) {history.insert(history.begin(), input);if (history.size() 30) {history.pop_back();}}historyIndex -1;std::cout std::endl; // Move to a new line after Enter keystd::cout You entered: input std::endl;input ; // Reset input} else if (key \b) { // Backspace keyif (!input.empty()) {input.pop_back();std::cout \b \b; // Move cursor back and erase character}} else if (irInBuf[i].Event.KeyEvent.wVirtualKeyCode VK_UP) { // Up arrow keyif (historyIndex static_castint(history.size()) - 1) {historyIndex;input history[historyIndex];std::cout \r std::string(input.length(), ) \r input; // Clear and print new input}} else if (irInBuf[i].Event.KeyEvent.wVirtualKeyCode VK_DOWN) { // Down arrow keyif (historyIndex 0) {historyIndex--;input historyIndex 0 ? history[historyIndex] : ;std::cout \r std::string(input.length(), ) \r input; // Clear and print new input}} else {input key;std::cout key; // Print the entered character}std::cout.flush(); // Flush the output to show in real-time}}}}return 0;
}
尽情享受吧
