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";
String desc = photo.getDesc();
String delStr = "删除";
String downStr = "下载";
out.println("
out.println("
out.println("
out.println("
out.println("
out.println("
+ "
out.println("
}
out.println("
out.println("
out.println("
out.println(" ");
out.println("");
out.flush();
out.close();
}
}
删除文件-DelServlet.java
package cn.hncu.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.hncu.domain.PhotoModel;
import cn.hncu.photoDao.Dao.PhotoDao;
import cn.hncu.photoDao.factory.PhotoDaoFactory;
public class DelServlet extends HttpServlet {
//注入
private PhotoDao dao = PhotoDaoFactory.getPhotoDao();
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String uuid = request.getParameter("uuid");
String ip = request.getRemoteAddr();
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
PhotoModel photo = dao.getSingleByUuid(uuid);
if(photo!=null){
if(!photo.getIp().equals(ip)){
out.print("
out.print("返回上一页 ");
return ;
}
//1.删除数据库中的信息
boolean boo = dao.deleteXml(uuid);
if(boo){
String fileName = "photos/"+photo.getDir()+"/"+photo.getUuid()+photo.getExt();
String pathFileName = getServletContext().getRealPath(fileName);
if(dao.deleteFile(pathFileName)){
//重定向到相册页面
response.sendRedirect("/myPhoto/cloudPhoto?pwd=chx");
}else{
out.print("
out.print("返回上一页 ");
}
}else{
out.print("
out.print("返回上一页 ");
}
}
}
}
下载文件-DownServlet.java
package cn.hncu.servlets;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLEncoder;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.hncu.domain.PhotoModel;
import cn.hncu.photoDao.Dao.PhotoDao;
import cn.hncu.photoDao.factory.PhotoDaoFactory;
public class DownServlet extends HttpServlet {
private PhotoDao dao = PhotoDaoFactory.getPhotoDao();
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String uuid = request.getParameter("uuid");
System.out.println(uuid);
PhotoModel photo = dao.getSingleByUuid(uuid);
System.out.println(photo);
if(photo!=null){
//设置响应头--内容接收程序--浏览器看到这个响应头，就会把它认为的下载程序打开
//(如果识别迅雷那么就会自动打开迅雷，如果没有则会打开一个“文件另存为”的对话框)
response.setContentType("application/force-download");
String realName = photo.getRealName();
String agent = request.getHeader("User-Agent");
System.out.println(agent);
if(agent.indexOf("Mozilla")!=-1){//火狐浏览器
response.setHeader("Content-Disposition" alt="自己动手写一个java版简单云相册" title="自己动手写一个java版简单云相册" width="200" height="150">
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