``` c++ while (form[n1++] = _getch()) { if (form[n1 - 1] == '=') break; if (form[n1 - 1] == 'd' || form[n1 - 1] == 'D') { printf("\b \b\b \b"); n1 -= 2; continue; } if (form[n1 - 1] == 'q' || form[n1 - 1] == 'Q') exit(0); printf("%c", form[n1 - 1]); } ``` 以上是我的源码,想要代码实现不回车就读取键盘输入 