微信小程序实现富文本图片宽度自适应的方法

<view class='html_detail'>  <rich-text nodes='{{artical}}'></rich-text></view>

data={artical:''}async onLoad(){  const json = await api.getDetail();  if(json !== null){    this.artical = util.formatRichText(json.detail.description);  }}

function formatRichText(html){  let newContent= html.replace(//<img/gi, '<img style="max-width:100%;height:auto;display:block;"');  return newContent;}module.exports = {  formatRichText}

/** * 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|*} */function formatRichText(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="max-width:100%;height:auto;display:block;margin-top:0;margin-bottom:0;"');  return newContent;}module.exports = {  formatRichText}