初始化

api/bing/index.php

@@ -0,0 +1,27 @@
+<?php
+     $counter = intval(file_get_contents("counter.dat"));  
+     $_SESSION['#'] = true;  
+     $counter++;  
+     $fp = fopen("counter.dat","w");  
+     fwrite($fp, $counter);  
+     fclose($fp);
+     
+     header('Access-Control-Allow-Origin:*');
+     $str = file_get_contents('http://cn.bing.com/HPImageArchive.aspx?idx=0&n=1');
+     if ($str === false) {
+      exit('Failed to retrieve data from Bing');
+     }
+     $xml = simplexml_load_string($str);
+     if ($xml && isset($xml->image->url)) {
+      $imgurl = 'http://cn.bing.com' . $xml->image->url;
+     }
+     if(isset($imgurl) && $imgurl){
+      header('Content-Type: image/JPEG');
+      ob_end_clean();
+      readfile($imgurl);
+      flush(); ob_flush();
+      exit();
+     }else{
+      exit('error');
+     }
+?>