从URL获取文件保存到本地的代码
2006-04-06 15:21
531 查看
转自:http://blog.sina.com.cn/u/3ee207aa010001s1
作者:54powerman
<%@page import="java.net.*,java.io.*"%>
<%!
public boolean saveUrlAs(String photoUrl, String fileName) {
//此方法只能用户HTTP协议
try {
URL url = new URL(photoUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
DataInputStream in = new DataInputStream(connection.getInputStream());
DataOutputStream out = new DataOutputStream(new FileOutputStream(fileName));
byte[] buffer = new byte[4096];
int count = 0;
while ((count = in.read(buffer)) > 0) {
out.write(buffer, 0, count);
}
out.close();
in.close();
return true;
}
catch (Exception e) {
return false;
}
}
public String getDocumentAt(String urlString) {
//此方法兼容HTTP和FTP协议
StringBuffer document = new StringBuffer();
try {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.
getInputStream()));
String line = null;
while ( (line = reader.readLine()) != null) {
document.append(line + "/n");
}
reader.close();
}
catch (MalformedURLException e) {
System.out.println("Unable to connect to URL: " + urlString);
}
catch (IOException e) {
System.out.println("IOException when connecting to URL: " + urlString);
}
return document.toString();
}
%>
<%
//测试
String photoUrl = "http://ad4.sina.com.cn/200601/12/43932_750450.jpg";
String fileName = photoUrl.substring(photoUrl.lastIndexOf("/"));
String filePath = "d:/ghost/";
boolean flag = saveUrlAs(photoUrl, filePath + fileName);
out.println("Run ok!/n<BR>Get URL file " + flag);
%>
作者:54powerman
<%@page import="java.net.*,java.io.*"%>
<%!
public boolean saveUrlAs(String photoUrl, String fileName) {
//此方法只能用户HTTP协议
try {
URL url = new URL(photoUrl);
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
DataInputStream in = new DataInputStream(connection.getInputStream());
DataOutputStream out = new DataOutputStream(new FileOutputStream(fileName));
byte[] buffer = new byte[4096];
int count = 0;
while ((count = in.read(buffer)) > 0) {
out.write(buffer, 0, count);
}
out.close();
in.close();
return true;
}
catch (Exception e) {
return false;
}
}
public String getDocumentAt(String urlString) {
//此方法兼容HTTP和FTP协议
StringBuffer document = new StringBuffer();
try {
URL url = new URL(urlString);
URLConnection conn = url.openConnection();
BufferedReader reader = new BufferedReader(new InputStreamReader(conn.
getInputStream()));
String line = null;
while ( (line = reader.readLine()) != null) {
document.append(line + "/n");
}
reader.close();
}
catch (MalformedURLException e) {
System.out.println("Unable to connect to URL: " + urlString);
}
catch (IOException e) {
System.out.println("IOException when connecting to URL: " + urlString);
}
return document.toString();
}
%>
<%
//测试
String photoUrl = "http://ad4.sina.com.cn/200601/12/43932_750450.jpg";
String fileName = photoUrl.substring(photoUrl.lastIndexOf("/"));
String filePath = "d:/ghost/";
boolean flag = saveUrlAs(photoUrl, filePath + fileName);
out.println("Run ok!/n<BR>Get URL file " + flag);
%>
相关文章推荐
- 从URL获取文件保存到本地的代码
- 从URL获取文件保存到本地的代码
- 从URL获取文件保存到本地的代码 [轉貼]
- 从URL获取文件保存到本地的代码
- 从URL获取文件保存到本地的JAVA代码
- 从URL获取文件保存到本地的代码
- 从URL获取文件保存到本地的代码
- 从URL获取文件保存到本地的JAVA代码
- tp的模版解析错误,在服务器上的文件竟然获取到我我本地的数据文件(url没写错的)
- REST接口GET方法获取文件保存到本地(C#)
- php获取网页中图片并保存到本地的代码
- ASP保存远程图片文件到本地代码
- Vs2015 本地git获取的代码目录文件修改后,启动提示error:Unable to start program “C:\Program Files\dotnet\dotnet.exe” 已解决.
- ASP.NET获取远程网页下载到本地文件,通过URL生成静态文件的做法
- asp读取远程文件并保存到本地代码
- ios获取本地音乐库音乐很详细 扫描IPHONE本地音乐文件,获得音乐名,歌手名代码示例
- 获取本地路径的方法,在沙河路径中保存图片 ,将保存文件到沙河路径下 把图片转换成NSData类型的数据来保存文件
- iOS 通过URL获取图片,并保存到本地
- 从URL读取文件保存到本地
- 用php实现的获取网页中的图片并保存到本地的代码