在jsp中图片二进制流输出到网页

求一个纯jsp二进制输出图片的例子，
不是从数据库中读取，是直接从文件夹中读取

5 个解决方案

#1

该回复于2015-05-26 10:57:43被管理员删除

#2

<%@ page info="Random Image Show"

    pageEncoding="UTF-8" contentType="image/jpg"

    autoFlush="true" buffer="16kb" session="false" import="java.io.FileInputStream"

%><%

String[] imgpaths = {

	"D:/images/testimg1.jpg",

	"D:/images/testimg2.jpg",

	"D:/images/testimg3.jpg"

};

ServletOutputStream sos = response.getOutputStream();

FileInputStream fis = new FileInputStream(imgpaths[(int) (Math.random() * imgpaths.length)]);

byte[] buf = new byte[100];  //缓冲区大小

int len = 0;

while ((len = fis.read(buf)) != -1) {

	sos.write(buf, 0, len);

}

sos.flush();

sos.close();

fis.close();

%>

#3

引用 2 楼 sagezk 的回复:

HTML code<%@ page info="Random Image Show"
    pageEncoding="UTF-8" contentType="image/jpg"
    autoFlush="true" buffer="16kb" session="false" import="java.io.FileInputStream"
%><%
String[] imgpaths = {
    "D:/images/testimg1.jpg",
    "D:/images/testimg2.jpg",
    "D:/images/testimg3.jpg"
};
ServletOutputStream sos = response.getOutputStream();
FileInputStream fis = new FileInputStre…

牛叉

#4

多谢，我想看下，多谢，我想看下多谢，我想看下多谢，我想看下

#5

<%@ page info="Random Image Show"
    pageEncoding="UTF-8" contentType="image/jpg"
    autoFlush="true" buffer="16kb" session="false" import="java.io.FileInputStream"
%><%
String[] imgpaths = {
    "D:/images/testimg1.jpg",
    "D:/images/testimg2.jpg",
    "D:/images/testimg3.jpg"
};
ServletOutputStream sos = response.getOutputStream();
FileInputStream fis = new FileInputStream(imgpaths[(int) (Math.random() * imgpaths.length)]);
byte[] buf = new byte[100];  //缓冲区大小
int len = 0;
while ((len = fis.read(buf)) != -1) {
    sos.write(buf, 0, len);
}
sos.flush();
sos.close();
fis.close();
%>

#1