public static void main (String[] args)throws Exception {
URL url=new URL("http","www.mldnjava.cn",80,"index.html");
InputStream input=url.openStream();
Scanner scan=new Scanner(input);
scan.useDelimiter("\n");
while(scan.hasNext()) {
System.out.println(scan.next());
}
}
用的eclipse
URL url=new URL("http","www.mldnjava.cn",80,"index.html");
InputStream input=url.openStream();
Scanner scan=new Scanner(input);
scan.useDelimiter("\n");
while(scan.hasNext()) {
System.out.println(scan.next());
}
}
用的eclipse
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:221)
at java.base/java.net.PlainSocketImpl.connect(PlainSocketImpl.java:148)
at java.base/java.net.Socket.connect(Socket.java:591)
at java.base/java.net.Socket.connect(Socket.java:540)
at java.base/sun.net.NetworkClient.doConnect(NetworkClient.java:182)
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:474)
at java.base/sun.net.www.http.HttpClient.openServer(HttpClient.java:569)
at java.base/sun.net.www.http.HttpClient.<init>(HttpClient.java:242)
at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:341)
at java.base/sun.net.www.http.HttpClient.New(HttpClient.java:362)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1242)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1181)
at java.base/sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1075)
at java.base/sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:1009)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1581)
at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1509)
at java.base/java.net.URL.openStream(URL.java:1117)
at try_internet.Try_test.main(Try_test.java:11)
这是报错