39 Serve different file types with our server 处理文件类型 function content_type(filename) { var ext = path.extname(filename).toLowerCase(); switch(ext) { case '.jpg': case '.jpeg': return 'image/jpeg'; case '.gif': return 'image/gif'; case '.png': return…

class XiyoujiRenwu{ float height; float weight; String head; String ear; void speak(String s) { System.out.println(s); }} public class Test02 { public static void main(String[] args) { // TODO Auto-generated method stub XiyoujiRenwu zhubajie;//声明 zhu…