各位:我在网上找到一些如下:HTTP文字流方式
--------------------------
applet中刷新方法:private void refresh() throws MalformedURLException, IOException {
URL url = new URL(getCodeBase(), "/servlet/ShowMemServlet");
URLConnection con = url.openConnection();
con.setUseCaches(false);
InputStream in = con.getInputStream();
DataInputStream textStream;
textStream = new DataInputStream(in);
String line1 = textStream.readLine();
String line2 = textStream.readLine();
double freeMem = Double.parseDouble(line1);
double totalMem = Double.parseDouble(line2);
int usedMem = totalMem - freeMem;
int percentUsed = (int) 100 *(usedMem / totalMem);
meter.setLength(percentUsed);
}servlet:import javax.servlet.*;
import javax.servlet.http.*;
public class ShowMemservlet extends Httpservlet {
public void doGet(HttpservletRequest req, HttpservletResponse res)
throws servletException, IOException {
res.setContentType("text/plain");
PrintWriter out = res.getWriter();
Runtime rt = Runtime.getRuntime();
out.println(rt.freeMemory());
out.println(rt.totalMemory());
}
}那位能提供较完整的例子或教程还有什么http对象流、socket通信解决彻底,连送500分
--------------------------
applet中刷新方法:private void refresh() throws MalformedURLException, IOException {
URL url = new URL(getCodeBase(), "/servlet/ShowMemServlet");
URLConnection con = url.openConnection();
con.setUseCaches(false);
InputStream in = con.getInputStream();
DataInputStream textStream;
textStream = new DataInputStream(in);
String line1 = textStream.readLine();
String line2 = textStream.readLine();
double freeMem = Double.parseDouble(line1);
double totalMem = Double.parseDouble(line2);
int usedMem = totalMem - freeMem;
int percentUsed = (int) 100 *(usedMem / totalMem);
meter.setLength(percentUsed);
}servlet:import javax.servlet.*;
import javax.servlet.http.*;
public class ShowMemservlet extends Httpservlet {
public void doGet(HttpservletRequest req, HttpservletResponse res)
throws servletException, IOException {
res.setContentType("text/plain");
PrintWriter out = res.getWriter();
Runtime rt = Runtime.getRuntime();
out.println(rt.freeMemory());
out.println(rt.totalMemory());
}
}那位能提供较完整的例子或教程还有什么http对象流、socket通信解决彻底,连送500分
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货