pagination为不同的图片，可滑动，支持点击

var mySwiper = new Swiper(".swiper-container", {
  pagination: {
    el: ".swiper-pagination",
    type: 'custom',
    renderCustom:function(swiper,current,total){
      var paginationHtml = '';
      var text = ['等级专属券','免邮特权','生日礼券']
      for(var i=1;i<=total;i++){
        if(i==current){
          paginationHtml+=`<div class='pagination pagination_active'>
                            <span class='pagination_icon icon${i}'></span>
                            <span class='pagination_text'>${text[i-1]}</span>
                          </div>`
        }else{
          paginationHtml+=`<div class='pagination'>
                            <span class='pagination_icon icon${i}'></span>
                            <span class='pagination_text'>${text[i-1]}</span>
                          </div>`
        }
      };
      return paginationHtml
    }
},
  hashNavigation: {
    watchState: true,
  },
  clickable :true,
});
$('.swiper-pagination').on('click','.pagination',function(){ 
  var index = $(this).index(); 
  mySwiper.slideTo(index, 1000, false);
})