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向servlet发送xml的一个例子2010年11月09日 星期二 下午 03:17简单写了一个,只是验证一下数据流互相传送,具体功能可以自己加
test.java 客户端:读取1.xml文件发送给DataServer(servlet),读取servlet返回的内容
DataServer.java 服务器servlet:读取test发送的xml内容,把内容再返回给客户端
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/**
* Created by IntelliJ IDEA.
* User: dev
* Date: 2004-3-9
* Time: 12:43:44
* 客户端,发送xml
*/
import java.io.*;
import java.net.*;
public class test{
public static void main(String[] args) throws Exception{
/*初始化*/
java.net.URL url = new java.net.URL("http://localhost:8080/servlet/DataServer");
java.net.URLConnection con = url.openConnection();
con.setUseCaches(false);
con.setDoOutput(true);
con.setDoInput(true);
/*缓存*/
BufferedReader fin = new BufferedReader(new FileReader("E:\\1.xml"));
StringBuffer stringbuffer = new StringBuffer();
char ac[] = new char[8192];
int i;
while ((i = fin.read(ac)) > 0)
stringbuffer.append(ac, 0, i);
fin.close();
/*发送*/
DataOutputStream dataOut = new DataOutputStream(con.getOutputStream());
dataOut.writeUTF(stringbuffer.toString());
dataOut.flush();
dataOut.close();
/*获取服务器端返回信息*/
DataInputStream in =new DataInputStream(con.getInputStream());
String stringValue = in.readUTF();
in.close();
System.out.println(stringValue);
}
}
-------------------------
/**
* Created by IntelliJ IDEA.
* User: dev
* Date: 2004-3-9
* Time: 12:44:41
* 服务器servlet,客户端数据,返回信息
*/
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
public class DataServer extends HttpServlet {
public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
/*读取数据*/
DataInputStream in = new DataInputStream(req.getInputStream());
String stringValue = in.readUTF();
/*返回数据*/
DataOutputStream dataOut = new DataOutputStream(resp.getOutputStream());
dataOut.writeUTF(stringValue);
dataOut.flush();
dataOut.close();
}
}