if(ROW1==0){Delay_ms(5);if(ROW1==0){状态=0;}}if(ROW2==0){Delay_ms(5);if(ROW2==0){状态=1;}}... if(ROW1==0) { Delay_ms(5); if(ROW1==0) { 状态=0; } } if(ROW2==0) { Delay_ms(5); if(ROW2==0) { 状态=1; } } 展开