uni富文本格式化

 <rich-text :nodes="detail.summary | formatRichText"></rich-text>


filters: {
    /**
     * 处理富文本里的图片宽度自适应
     * 1.去掉img标签里的style、width、height属性
     * 2.img标签添加style属性：max-width:100%;height:auto
     * 3.修改所有style里的width属性为max-width:100%
     * 4.去掉<br/>标签
     * @param html
     * @returns {void|string|*}
     */
    formatRichText(html) {
      //控制小程序中图片大小
      if (html) {
        let newContent = html.replace(
          /<img[^>]*>/gi,
          function (match, capture) {
            match = match
              .replace(/style="[^"]+"/gi, "")
              .replace(/style='[^']+'/gi, "");
            match = match
              .replace(/width="[^"]+"/gi, "")
              .replace(/width='[^']+'/gi, "");
            match = match
              .replace(/height="[^"]+"/gi, "")
              .replace(/height='[^']+'/gi, "");
            return match;
          }
        );
        newContent = newContent.replace(
          /style="[^"]+"/gi,
          function (match, capture) {
            match = match
              .replace(/width:[^;]+;/gi, "max-width:100%;")
              .replace(/width:[^;]+;/gi, "max-width:100%;");
            return match;
          }
        );
        newContent = newContent.replace(/<br[^>]*\/>/gi, "");
        newContent = newContent.replace(
          /\<img/gi,
          '<img style="width:100%;height:auto;display:inline-block;margin:0 auto;"'
        );
        return newContent;
      }
    },
  },