1.home.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head>
</head>
<body>
<img src="Snippet" /> //Snippet是servlet名
</body>
</html>
2.servlet-->Snippet
package org.xk.com
import java.io.FileInputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Snippet extends HttpServlet{
public void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
this.doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
resp.setContentType("text/html; charset=UTF-8");
resp.setContentType("image/jpeg"); //设置图片格式格式，这里可以忽略
FileInputStream fis = new FileInputStream("E:/tomcat/temp/1350558335484.jpg");
OutputStream os = resp.getOutputStream();
try {
int count = 0;
byte[] buffer = new byte[1024*1024];
while ( (count = fis.read(buffer)) != -1 )
os.write(buffer, 0, count);
} catch (IOException e){
e.printStackTrace();
}finally {
if(os!=null)
os.close();
if(fis != null)
fis.close();
}
}
}
web.xml文件
<servlet>
<servlet-name>Snippet</servlet-name>
<servlet-class>org.xk.com.Snippet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Snippet</servlet-name>
<url-pattern>/Snippet</url-pattern>
</servlet-mapping>