1. 设置标识，mySwiper1和mySwiper2

@swiper="mySwiper1"

2. 设置监听，onSlideChange1和onSlideChange2方法

@slideChange="onSlideChange1"

3. 开启联动
   在方法区写
   

//控制联动
let mySwiper1Temp = null;
let mySwiper2Temp = null;
const mySwiper1= (swiper) => {
  mySwiper1Temp = swiper;
}
const mySwiper2= (swiper) => {
  mySwiper2Temp = swiper;
}

const onSlideChange1= (swiper) =>{
  let index = swiper.activeIndex;
  mySwiper2Temp.slideTo(index)
}
const onSlideChange2= (swiper) =>{
  let index = swiper.activeIndex;
  mySwiper1Temp.slideTo(index)
}