//加时间戳防缓存 var imgurl = "/pcms/headImg/${sessionScope.accountInfo.accountId}_cut.jpg?time="+new Date().getTime(); $(‘.header-portrait img‘).remove(); $(‘.header-portrait‘).prepend(‘<img src=‘+imgurl + ‘\t onerror="javascript:this.src=\‘/pcms/headImg/default.jpg\‘">‘);
原文：https://www.cnblogs.com/penghq/p/10855889.html