新浪SAE php能够获取微信的头像，但是在本地运行代码获取不到？

你这是请求微信头像文件失败了，建议用curl获取远程图片，然后根据返回值判断是否获取成功，成功以后再用gd函数处理头像。

<?php$url='http://wx.qlogo.cn/mmopen/1MLz0YkS76Fs13hv8TH9oafOPW6kE7Hfv0QNEYvacxw8loRwFLMUsypFVVsiaj10TkqLugcCcKZNFysmJD0PwBQ/0';$header=array('User-Agent:Mozilla/5.0(WindowsNT6.1;Win64;x64;rv:45.0)Gecko/20100101Firefox/45.0','Accept-Language:zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3','Accept-Encoding:gzip,deflate',);$curl=curl_init();curl_setopt($curl,CURLOPT_URL,$url);curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);curl_setopt($curl,CURLOPT_FOLLOWLOCATION,true);curl_setopt($curl,CURLOPT_ENCODING,'gzip');curl_setopt($curl,CURLOPT_HTTPHEADER,$header);$data=curl_exec($curl);$code=curl_getinfo($curl,CURLINFO_HTTP_CODE);curl_close($curl);if($code==200){$imgBase64Code="data:image/jpeg;base64,".base64_encode($data);}?><imgsrc="<?phpecho$imgBase64Code?>"/>