Car 0 0 800 600 小车 0 0 400 TextLabel 0 200 16777215 200 true 400 400 80 50 80 50 QLCDNumber::Flat 80 50 80 50 QLCDNumber::Flat 32.000000000000000 80 50 80 50 QLCDNumber::Flat 0 30 42 52 2 Qt::Horizontal QSlider::TicksBelow 前 左 后 右 30 0 100 Qt::Vertical QSlider::TicksAbove 0 40 连接服务器 80 50 80 50 QLCDNumber::Flat 32.000000000000000 0 30 32 42 2 Qt::Horizontal true true QSlider::TicksBelow 30 0 100 Qt::Vertical true true QSlider::TicksBelow sliderLeft valueChanged(int) lcdNumber_3 display(int) 51 305 262 308 sliderRight valueChanged(int) lcdNumber_4 display(int) 529 315 436 304 sliderForward valueChanged(int) lcdNumber display(int) 325 119 357 247 sliderBackward valueChanged(int) lcdNumber_2 display(int) 310 421 327 379