小程序中图片点击预览、长按转发、保存、识别图中二维码

缺乏、安全感 2022-05-09 04:33 365阅读 0赞

data: {
        imgalist: ['https://www.cslpyx.com/weiH5/jrx.jpg', 'https://www.cslpyx.com/weiH5/mmd.jpg'],
      },

previewImage: function (e) {
        let that=this;
        let index = e.currentTarget.dataset.index;
        wx.previewImage({
          current: this.data.imgalist[index], // 当前显示图片的http链接   
          urls: this.data.imgalist // 需要预览的图片http链接列表   
        })  
        wx.getImageInfo({// 获取图片信息（此处可不要）
          src: 'https://www.cslpyx.com/weiH5/jrkj.jpg',
          success: function (res) {
            console.log(res.width)
            console.log(res.height)
          }
        })
        
      }

小程序文档:[https://developers.weixin.qq.com/miniprogram/dev/api/media/image/wx.previewImage.html][https_developers.weixin.qq.com_miniprogram_dev_api_media_image_wx.previewImage.html]

转载地址:[https://blog.csdn.net/csl125/article/details/79085597/][https_blog.csdn.net_csl125_article_details_79085597]

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![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JyaWdodDIwMTc_size_16_color_FFFFFF_t_70][]

[https_developers.weixin.qq.com_miniprogram_dev_api_media_image_wx.previewImage.html]: https://developers.weixin.qq.com/miniprogram/dev/api/media/image/wx.previewImage.html
[https_blog.csdn.net_csl125_article_details_79085597]: https://blog.csdn.net/csl125/article/details/79085597/
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JyaWdodDIwMTc_size_16_color_FFFFFF_t_70]: /images/20220509/874e5a2c59c446929bfbc575b0033b83.png