这个肯定不对,这个是用来下载html文件的,我用了一下,图片下的大部分内容一样,可是稍微有不同
请高手帮忙改一下,先谢了import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.Date;/*
* Created on 2005-7-20
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*//**
* @author 快乐至上
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class ReadGif { public static void getGif() throws Exception {
String URLName = "http://www.baidu.com/img/logo.gif";
int HttpResult;
URL url=new URL(URLName);
URLConnection urlconn=url.openConnection();
urlconn.connect();
HttpURLConnection httpconn=(HttpURLConnection)urlconn;
HttpResult=httpconn.getResponseCode();
System.out.println("ResponseCode: " + httpconn.getResponseCode());
System.out.println("ResponseMessage: " + httpconn.getResponseMessage());
//System.out.println("server: " + httpconn.get);
System.out.println("Date: " + new Date(httpconn.getDate()));
System.out.println("Expiration: " + new Date(httpconn.getExpiration()));
System.out.println("LastModified: " + new Date(httpconn.getLastModified()));
System.out.println("Content-Length: " + httpconn.getContentLength());
System.out.println("Content-Type: " + httpconn.getContentType());
if(HttpResult!=HttpURLConnection.HTTP_OK)
{
System.out.println("cant connct0");
}
else
{
int filesize=urlconn.getContentLength();
InputStreamReader isReader=new InputStreamReader(urlconn.getInputStream());
char[] buffer=new char[filesize];
int num=0;
PrintWriter fileOut = new PrintWriter(new FileWriter("1.gif"));
String temp = "";
//while(num>-1){
num=isReader.read(buffer);
//if(num<0)break;
try {
fileOut.write(buffer, 0, num);
} catch (Exception e) {
System.out.println(e);
}
fileOut.close();
//}
isReader.close();
}
} public static void main(String[] args) { try {
ReadGif.getGif();
} catch (Exception e) { } }}
请高手帮忙改一下,先谢了import java.io.FileWriter;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.Date;/*
* Created on 2005-7-20
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*//**
* @author 快乐至上
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class ReadGif { public static void getGif() throws Exception {
String URLName = "http://www.baidu.com/img/logo.gif";
int HttpResult;
URL url=new URL(URLName);
URLConnection urlconn=url.openConnection();
urlconn.connect();
HttpURLConnection httpconn=(HttpURLConnection)urlconn;
HttpResult=httpconn.getResponseCode();
System.out.println("ResponseCode: " + httpconn.getResponseCode());
System.out.println("ResponseMessage: " + httpconn.getResponseMessage());
//System.out.println("server: " + httpconn.get);
System.out.println("Date: " + new Date(httpconn.getDate()));
System.out.println("Expiration: " + new Date(httpconn.getExpiration()));
System.out.println("LastModified: " + new Date(httpconn.getLastModified()));
System.out.println("Content-Length: " + httpconn.getContentLength());
System.out.println("Content-Type: " + httpconn.getContentType());
if(HttpResult!=HttpURLConnection.HTTP_OK)
{
System.out.println("cant connct0");
}
else
{
int filesize=urlconn.getContentLength();
InputStreamReader isReader=new InputStreamReader(urlconn.getInputStream());
char[] buffer=new char[filesize];
int num=0;
PrintWriter fileOut = new PrintWriter(new FileWriter("1.gif"));
String temp = "";
//while(num>-1){
num=isReader.read(buffer);
//if(num<0)break;
try {
fileOut.write(buffer, 0, num);
} catch (Exception e) {
System.out.println(e);
}
fileOut.close();
//}
isReader.close();
}
} public static void main(String[] args) { try {
ReadGif.getGif();
} catch (Exception e) { } }}
int num=0;
PrintWriter fileOut = new PrintWriter(new FileWriter("1.gif"));
String temp = "";
//while(num>-1){
num=isReader.read(buffer);
//if(num<0)break;
try {
fileOut.write(buffer, 0, num);
} catch (Exception e) {
System.out.println(e);
}
fileOut.close();
//}
改成: int num=0;
FileOutputStream fileOut = new FileOutputStream("1.gif");
while((num=isReader.read())!=-1) fileOut.write(num);
DataOutputStream out = new DataOutputStream(new FileOutputStream(path));