outputInfo_yld.java
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package com.servlet.bkyld;
import java.io.FileInputStream;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class outputInfo_yld extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 2820449568667603694L;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setCharacterEncoding("utf-8");
response.setContentType("text/html");
String name =request.getParameter("name");
String pathtype = request.getParameter("type");
// String dir = this.getServletContext().getRealPath("/");
String dir = "/usr/bk_cx/";
String aFilePath = null; // 要下载的文件路径
String aFileName = null; // 要下载的文件名
FileInputStream in = null; // 输入流
ServletOutputStream out = null; // 输出流
String type = null;
if (pathtype.equals("info"))
aFilePath = dir + "bkyld_info";
else if (pathtype.equals("report"))
aFilePath = dir + "bkyld_report";
else if (pathtype.equals("scheme"))
aFilePath = dir + "bkyld_scheme";
try {
aFileName = name;// 某个文件
if (aFileName.endsWith(".xls") || aFileName.endsWith(".xlsx")) {
type = "applicationnd.ms-excel";
} else if (aFileName.indexOf(".pdf") > 0) {
type = "applicationf";
} else if ((aFileName.indexOf(".doc") > 0)
|| (aFileName.indexOf(".docx") > 0)) {
type = "application/msword";
} else if (aFileName.indexOf(".txt") > 0) {
type = "text/plain";
} else if (aFileName.indexOf(".ppt") > 0) {
type = "applicationt";
} else if ((aFileName.indexOf(".jpg") > 0)
|| (aFileName.indexOf(".jpeg") > 0)) {
type = "image/jpeg";
}
response.setContentType(type + "charset=UTF-8");
response.setHeader("Content-disposition", "attachment; filename="
+java.net.URLEncoder.encode(aFileName, "UTF-8"));
in = new FileInputStream(aFilePath + "/" + aFileName); // 读入文件
out = response.getOutputStream();
out.flush();
int aRead = 0;
while ((aRead = in.read()) != -1 & in != null) {
out.write(aRead);
}
out.flush();
} catch (Throwable e) {
e.printStackTrace();
} finally {
try {
in.close();
out.close();
} catch (Throwable e) {
e.printStackTrace();
}
}
}
}