Applet中创建一个到Servlet的URL,例如:
String u = "http://server/servletname";
URL url = new URL(u);
URLConnection conn = url.openConnection();
建立连接自动激活Servlet。
Applet和Servlet的通讯通过conn的getInputStream()、getOutputStream()完成。
另:Han,你好像回答过我的问题,或者我们一起讨论过问题。:)
String u = "http://server/servletname";
URL url = new URL(u);
URLConnection conn = url.openConnection();
建立连接自动激活Servlet。
Applet和Servlet的通讯通过conn的getInputStream()、getOutputStream()完成。
另:Han,你好像回答过我的问题,或者我们一起讨论过问题。:)
new java.net.URL(getDocumentBase(),"/servlet/DataBaseServlet");
System.out.println("getDocumentBase(): "+getDocumentBase());
java.net.URLConnection con = url.openConnection();
con.setUseCaches(false);
con.setDoOutput(true);
con.setDoInput(true);
ByteArrayOutputStream byteout=new ByteArrayOutputStream();
DataOutputStream out=new DataOutputStream(byteout);
out.writeUTF("Hello world!?");
out.flush();
byte buf[]=byteout.toByteArray();
con.setRequestProperty("Content-type","application/octet-stream");
con.setRequestProperty("Content-length",""+buf.length);
DataOutputStream dataout=new DataOutputStream(con.getOutputStream());
dataout.write(buf);
dataout.flush();
dataout.close(); DataInputStream in=new DataInputStream(con.getInputStream());
this.response=in.readUTF();
//repaint();
//System.out.println("read from server:"+response); in.close();
new java.net.URL(getDocumentBase(),"/servlet/DataBaseServlet");
System.out.println("getDocumentBase(): "+getDocumentBase());
java.net.URLConnection con = url.openConnection();
con.setUseCaches(false);
con.setDoOutput(true);
con.setDoInput(true);
ByteArrayOutputStream byteout=new ByteArrayOutputStream();
DataOutputStream out=new DataOutputStream(byteout);
out.writeUTF("Hello world!?");
out.flush();
byte buf[]=byteout.toByteArray();
con.setRequestProperty("Content-type","application/octet-stream");
con.setRequestProperty("Content-length",""+buf.length);
DataOutputStream dataout=new DataOutputStream(con.getOutputStream());
dataout.write(buf);
dataout.flush();
dataout.close(); DataInputStream in=new DataInputStream(con.getInputStream());
this.response=in.readUTF();
//repaint();
//System.out.println("read from server:"+response); in.close();