静态方法

desturl:http://local.e1ht.com:8080/E1HTMall/empuser/employeeIndex.do
fileName:D://Program Files/Apache Software Foundation/Tomcat 6.0/webapps/E1HTMall/empIndex.html

public final static boolean DEBUG = true;// 调试用
private static int BUFFER_SIZE = 8096;// 缓冲区大小

public void saveToFile(String destUrl, String fileName) throws IOException {//执行方法生成jsp 将jsp写入磁盘
FileOutputStream fos = null;
BufferedInputStream bis = null;
HttpURLConnection httpUrl = null;
URL url = null;

byte[] buf = new byte[BUFFER_SIZE];
int size = 0;
System.out.println(destUrl);
// 建立链接
url = new URL(destUrl);
httpUrl = (HttpURLConnection) url.openConnection();
// 连接指定的资源
httpUrl.connect();
// 获取网络输入流
bis = new BufferedInputStream(httpUrl.getInputStream());
// 建立文件
fos = new FileOutputStream(fileName);

if (this.DEBUG)
System.out.println("正在获取链接[" + destUrl + "]的内容...将其保存为文件["
+ fileName + "]");

// 保存文件
while ((size = bis.read(buf)) != -1)
fos.write(buf, 0, size);
fos.flush();
fos.close();
bis.close();
httpUrl.disconnect();
System.out.println("生成 文件  结束....");

}