JSP 显示服务器上的文件/图片1 显示服务器上的图片?xml version1.0 encodingUTF-8 ?%@page impor
JSP 显示服务器上的文件/图片
1 显示服务器上的图片
<?xml version="1.0" encoding="UTF-8" ?><%@page import="java.awt.image.BufferedImage"%><%@page import="javax.imageio.ImageIO"%><%@page import="org.apache.commons.io.IOUtils"%><%@page import="java.io.InputStream"%><%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>读取服务器上的文件</title></head><body><%InputStream in = getServletContext().getResourceAsStream("/upload/111.jpg");BufferedImage bfi = ImageIO.read(in);response.reset();//清除bufferresponse.setContentType("image/gif");ImageIO.write(bfi, "jpg", response.getOutputStream());out.clear();out = pageContext.pushBody();%></body></html>2 显示服务器上的文件
<?xml version="1.0" encoding="UTF-8" ?><%@page import="org.apache.commons.io.IOUtils"%><%@page import="java.io.InputStream"%><%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><title>读取上传文件</title></head><body><%InputStream in = getServletContext().getResourceAsStream("/upload/HIBERNATE.txt");out.println(IOUtils.toString(in));%></body></html>但是如果服务器上的文件内的字符不是UTF-8编码的 那么显示出去是会有乱码的
但是可以用GBK编码然后显示