$(document).ready(function () {
    // 缩略图
    var wyzThumbs = new Swiper('.wyz-small', {
      spaceBetween: 0,
      slidesPerView: 2,
      breakpoints: {

        //当宽度小于等于640
        1024: {
          slidesPerView: 3,
          spaceBetween: 0
        },
        //当宽度小于等于640
        1300: {
          slidesPerView: 4,
          spaceBetween: 0
        }
      },
      freeMode: true,
      //centeredSlides: true,
      navigation: {
        nextEl: '.thuilPic .next2',
        prevEl: '.thuilPic .prev2',
      },
      watchSlidesVisibility: true,
      watchSlidesProgress: true,
    });
    // 大图
    var wyzTop = new Swiper('.wyz-big', {
      // 切换效果 四种 : cube coverflow flip fade
      // effect : 'flip',
      spaceBetween: 0,
      navigation: {
        nextEl: '.mainPic .next1 ',
        prevEl: '.mainPic .prev1 ',
      },
      thumbs: {
        swiper: wyzThumbs
      }
    });
    $('.mainPic .prev1').click(function () {
      wyzThumbs.slidePrev();
    });
    $('.mainPic .next1').click(function () {
      wyzThumbs.slideNext();
    });

    $('.thuilPic .prev2').click(function () {
      wyzTop.slidePrev();
    });
    $('.thuilPic .next2').click(function () {
      wyzTop.slideNext();
    });
  });