http請求內容壓縮學習筆記
阿新 • • 發佈：2018-04-17
http請求內容壓縮學習筆記
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.zip.GZIPOutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
//壓縮
public class Dmo1 extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String data = "bbbbbbbbbbbaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
System.out.println("壓縮前" + data.length());
// 以下代碼完成將String類型壓縮到byte[]中
ByteArrayOutputStream bout = new ByteArrayOutputStream();
GZIPOutputStream gout = new GZIPOutputStream(bout);
gout.write(data.getBytes());
gout.flush();
gout.close();
// 取出壓縮後的數據
byte[] buf = bout.toByteArray();
System.out.println("壓縮後" + buf.length);
// 將壓縮後的數據輸出到瀏覽器
response.setHeader("content-encoding", "gzip");
response.setHeader("content-length", buf.length + "");
// 服務端以字節方式輸出
response.getOutputStream().write(buf);
}
}
訪問：
http請求內容壓縮學習筆記