AddNewsServlet -servlet处理响应请求

package com.pb.news.web.servlet;

import java.io.File;
import java.io.IOException;
import java.util.Date;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import com.pb.news.dao.NewsDao;
import com.pb.news.dao.impl.NewsDaoImpl;
import com.pb.news.entity.News;
import com.pb.news.service.impl.NewsServiceImpl;

/**
* Servlet implementation class AddNewsServlet
*/
public class AddNewsServlet extends HttpServlet {
private static final long serialVersionUID = 1L;

/**
* @see HttpServlet#HttpServlet()
*/
public AddNewsServlet() {
super();
// TODO Auto-generated constructor stub
}

/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(request,response);
}

/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//接收新闻内容，调用相应Service方法处理请求，最红决定跳转到哪个jsp页面
NewsServiceImpl newsService=new NewsServiceImpl();
NewsDao newsDao=new NewsDaoImpl();
newsService.setNewsDao(newsDao);

//request.setCharacterEncoding("utf-8");
boolean bRet = false;
boolean bUpload = false;
String uploadFileName = "";
String fieldName = "";
News news = new News();
news.setCreatedate(new Date());

boolean isMultipart = ServletFileUpload.isMultipartContent(request);
String uploadFilePath = request.getSession().getServletContext().getRealPath("/upload/" );
if (isMultipart == true) {
FileItemFactory factory=new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
try {
List<FileItem> items = upload.parseRequest(request);
Iterator<FileItem> iter = items.iterator();
while (iter.hasNext()) {
FileItem item = (FileItem) iter.next();
if (item.isFormField()){
fieldName = item.getFieldName();
if (fieldName.equals("title")){
news.setTitle(item.getString("UTF-8"));
}else if(fieldName.equals("id")){
String id = item.getString();
if (id != null && !id.equals("")){
news.setId(Integer.parseInt(id));
}
}else if (fieldName.equals("categoryId")){
news.setCategoryId(Integer.parseInt(item.getString()));
}else if (fieldName.equals("summary")){
news.setSummary(item.getString("UTF-8"));
}else if (fieldName.equals("newscontent")){
news.setContent(item.getString("UTF-8"));
}else if(fieldName.equals("author")){
news.setAuthor(item.getString("UTF-8"));
}
}else{
String fileName = item.getName();
if (fileName != null && !fileName.equals("")) {
File fullFile = new File(item.getName());
File saveFile = new File(uploadFilePath, fullFile.getName());
item.write(saveFile);
uploadFileName = fullFile.getName();
news.setPicpath(uploadFileName);
bUpload = true;
}
}

}
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println("上传成功后的文件名是：："+news.getPicpath());

//调用后台方法，将新闻信息插入数据库
bRet=newsService.addNews(news);
if (bRet) {
response.sendRedirect("jsp/admin/newsDetailList.jsp");
} else {
response.sendRedirect("jsp/admin/newsDetailCreate.jsp");
}
}

}

转载于:https://www.cnblogs.com/JesseCary/p/4507619.html