https://jsfiddle.net/qqwoxo5L/ 控制台报错(index):94 Uncaught TypeError: Failed to execute 'appendChild' on 'Node': parameter 1 is not of type 'Node'. div 确实是 jQuery 构造出来的啊！为什么会报错呢...
在网上找到了这种方法：$.ajax({ {代码...} },});但是提示：Request header field Access-Control-Allow-Origin is not allowed by Access-Control-Allow-Headers in preflight response.已经在php代码里吧 Acces...
