uniapp预览图片

单张预览

 previewImg(logourl) {
                      let _this = this;
                      let imgsArray = [];
                      imgsArray[0] = logourl
                      uni.previewImage({
                          current: 0,
                          urls: imgsArray
                      });
                  },

多张预览

imgurl:['../../static/my_apples/apples1.png','../../static/my_apples/apples2.png','../../static/my_apples/apples3.png','../../static/my_apples/apples4.png','../../static/my_apples/apples5.png','../../static/my_apples/apples6.png','../../static/my_apples/apples7.png','../../static/my_apples/apples8.png']


  previewImg(index) {
        var that = this
        let imgArry = []
        for (let i = 0; i < this.imgurl.length; i++) {
          if (that.imgurl[i] != '') {
            imgArry.push(that.imgurl[i])
          }
        }
        uni.previewImage({
          current: index,
          urls: imgArry,
          indicator: 'number',
          loop: true
        })
      }