直接上代码
var reContent= res.data.data.detailMobileHtml.replace(/<img [^>]*src=['"]([^'"]+)[^>]*>/gi,function(match,reSrc){
//reSrc,返回每个匹配的字符串
var newImg='<img src="http://47.96.232.190:8085/'+reSrc+'" alt="" style="width:100%;height:auto" />';
return newImg;
})