js清空缓存，ajax
摘要：
$.ajax({ url:'', dataType:'json', data:{}, beforeSend :function(xmlHttp){ xmlHttp.setRequestHeader("If-Modified-Since","0"); xmlHttp.setRequestHeader( 阅读全文
posted @ 2017-12-14 17:14 summerkxy 阅读(269) 评论(0) 推荐(0) 编辑