haowanShow/miniprogram/pages/exhibition-register/exhibition-register.js

import { VueLikePage } from '../../utils/page'
import displayApi from '../../apis/exhibition'
VueLikePage([], {
  data: {

  },
  methods: {
    onLoad () {
      displayApi.getExhibitionDetail().then(res => {
        this.setData({
          html: this.formatImg(res.data.contactUs)
        })
      })
    },
    formatImg: function (html) {
      var newContent = html.replace(/<img[^>]*>/gi, function (match, capture) {
        let processed=null;
        //如果原img标签不存在style属性值
        if(!match.match(/style=\"(.*)\"/gi)){
          processed=match.replace(/\<img/g, '<img style="width:100%;height:auto;display:block"');
        }else{
          processed = match.replace(/style=\"(.*)\"/gi, 'style="width:100%;height:auto;display:block"');
        }
        
        return processed;
      })
      return newContent;
    },
    collect (e) {
    }
  }
})