package bdqn.newsManageServlet.Servlet;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
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.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import bdqn.newsManageServlet.Dao.newsTbDao;
import bdqn.newsManageServlet.Dao.Impl.newsTbDaoImpl;
import bdqn.newsManageServlet.Service.categoryTBService;
import bdqn.newsManageServlet.Service.Impl.categoryTBServiceImpl;
import bdqn.newsManageServlet.entity.categoryTB;
import bdqn.newsManageServlet.entity.newsTb;
public class doNewsModifyServlet extends HttpServlet {
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
//获取相对应的值
request.setCharacterEncoding("utf-8");
//判断是文件还是不是文件
newsTb news = new newsTb();
String categoryName = "";//主题
String title = "";//标题
String author = "";//作者
String summary = "";//摘要
String content = "";//内容
String picPath = "";//文件路径
int id = 0;//类别id
int newsid=0;//新闻的id
boolean ismutipart=ServletFileUpload.isMultipartContent(request);
if(ismutipart){
//是文件
//创建文件工厂
FileItemFactory fac = new DiskFileItemFactory();
//创建文件对象
ServletFileUpload fileUpload = new ServletFileUpload(fac);
//解析请求
List<FileItem> fileItemlist;
try {
fileItemlist = fileUpload.parseRequest(request);
//遍历结合，获取数据
try {
for (FileItem item : fileItemlist) {
if (item.isFormField()) {
//普通表单
String fileName = item.getFieldName();
//主题
if (fileName.equals("slt")) {
categoryName = item.getString("utf-8");
categoryTBService cateService = new categoryTBServiceImpl();
categoryTB cate = cateService
.getCategoryIdByName(categoryName);
//类别的id
id = cate.getCategoryID();
} else if (fileName.equals("title")) {
//标题
title = item.getString("utf-8");
} else if (fileName.equals("author")) {
//作者
author = item.getString("utf-8");
} else if (fileName.equals("summary")) {
//摘要
summary = item.getString("utf-8");
} else if (fileName.equals("content")) {
//内容
content = item.getString("utf-8");
}else if(fileName.equals("newsid")){
//新闻的id
newsid=Integer.parseInt(item.getString());
}
}else{
//文件表单
//文件表单
//获取文件名全路径
String fullfile = item.getName();
File file1 = new File(fullfile);
//控制文件上传类型
//通过Arrays类的aList（）方法创建固定长度的集合
List<String> fileType = Arrays.asList("gif", "bmp",
"jpg");
String ext = fullfile.substring(fullfile
.lastIndexOf(".") + 1);
if (fileType.contains(ext)) {
//获取文件名，不包含文件路径
String filename = file1.getName();
ServletContext application=this.getServletContext();
String uploadPath = application
.getRealPath("adminManage/");
File file2 = new File(uploadPath, filename);
item.write(file2);
picPath = file2.toString();
//上传成功！
}
else {
request.setAttribute("mesg", "文件类型只能是图片类型");
request.getRequestDispatcher("adminManage/modifyNews.jsp?newsid="+newsid+"")
.forward(request, response);
return;
}
}
}
} catch (Exception ex) {
ex.printStackTrace();
}
} catch (FileUploadException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/* //根据类别名臣获取类别id
String categoryName = request.getParameter("slt");
categoryTBService cateService = new categoryTBServiceImpl();
categoryTB cate = cateService.getCategoryIdByName(categoryName);
//类别的id
int id = cate.getCategoryID();
//int id=Integer.parseInt(request.getParameter("cateId"));
int newsid = Integer.parseInt(request.getParameter("newsid"));
String title = request.getParameter("title");//标题
String author = request.getParameter("author");//作者
String summary = request.getParameter("summary");//摘要
String content = request.getParameter("content");//内容
String picPath = request.getParameter("picPath");//上传图片路径 */
//将修改的信息添加到数据库中
newsTbDao ndao = new newsTbDaoImpl();
//将信息封装起来
news.setCategoryID(id);
news.setTitle(title);
news.setSummary(summary);
news.setContent(content);
news.setAuthor(author);
news.setPicPath(picPath);
news.setNewsID(newsid);
int rel = ndao.updateNewsTb(news);
if (rel > 0) {
out.print("<script>alert('修改成功！');location.href='adminManage/editNews.jsp';</script>");
} else {
request.setAttribute("msge", "修改失败！");
request.getRequestDispatcher("adminManage/modifyNews.jsp").forward(request,
response);
}
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doGet(request, response);
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}