我在jsp中通过读取绝对路径来显示图片，怎么写啊
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元芳，CSDN新论坛上线！你怎么看？
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取basePath啊
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自己稍作修改就能用
file.jsp代码:
<%@ page contentType="text/html; charset=utf-8" language="java"
import="java.sql.*,java.util.*,java.io.*" errorPage=""%>
<%@taglib prefix="s" uri="/struts-tags"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>文件预览</title>
<link rel="shortcut icon" href="images/DA_SY.gif" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script type="text/javascript" language="javascript" src="js/jquery.js"></script>
</head>
<%
out.clear();
out = pageContext.pushBody();
response.setContentType("image/jpeg");//设置显示文件或图片的格式如:application/pdf
try {
String imgName = request.getParameter("fileName");
String imgPath1 = "D:/IPM/hardware/"+imgName;
String imgPath2 = "D:/IPM/hardware/error.jpg";
//判断该路径下的文件是否存在
File file = new File(imgPath1);
if (file.exists()&& !imgName.equals("")) {
DataOutputStream temps = new DataOutputStream(response
.getOutputStream());
DataInputStream in = new DataInputStream(
new FileInputStream(imgPath1));
byte[] b = new byte[2048];
while ((in.read(b)) != -1) {
temps.write(b);
temps.flush();
}
in.close();
temps.close();
} else {
DataOutputStream temps = new DataOutputStream(response
.getOutputStream());
DataInputStream in = new DataInputStream(
new FileInputStream(imgPath2));
byte[] b = new byte[2048];
while ((in.read(b)) != -1) {