html

    <transition name="component" appear>
      <cim v-if="type==0" ></cim>
    </transition>

css

.component-enter-active,
.component-leave-active {
  transition: all 1s;
}

.component-enter {
  transform: translateY(100%);
  opacity: 0;
}

.component-leave-to {
  transform: translateY(200%);
  opacity: 0;
}