package servlet;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* @说明 该Servlet将本地硬盘的图片输入管道中
* @author cuisuqiang
* @version 1.0
* @since
*/
@SuppressWarnings("serial")
public class ImageShowServlet extends HttpServlet {
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
OutputStream os = response.getOutputStream();
File file = new File("C:\\abc.jpg");
FileInputStream fips = new FileInputStream(file);
byte[] btImg = readStream(fips);
os.write(btImg);
os.flush();
}
/**
* 读取管道中的流数据
*/
public byte[] readStream(InputStream inStream) {
ByteArrayOutputStream bops = new ByteArrayOutputStream();
int data = -1;
try {
while((data = inStream.read()) != -1){
bops.write(data);
}
return bops.toByteArray();
}catch(Exception e){
return null;
}
}
}
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