picservlet.java

就业管理系统 源代码 可以运行 没有错误

package com.action;


/**
 * 系统首页图片管理上传
 * 
 */
import java.io.IOException;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.bean.SiteBean;
import com.bean.SystemBean;
import com.util.Constant;
import com.util.Filter;
import com.util.SmartFile;
import com.util.SmartUpload;

public class PicServlet extends HttpServlet {

	private ServletConfig config;
	/**
	 * Constructor of the object.
	 */
	public PicServlet() {
		super();
	}

	final public void init(ServletConfig config) throws ServletException
    {
        this.config = config;  
    }

    final public ServletConfig getServletConfig()
    {
        return config;
    }
	/**
	 * 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 {

		doPost(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 {

		request.setCharacterEncoding(Constant.CHARACTERENCODING);
		response.setContentType(Constant.CONTENTTYPE);
		String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+request.getContextPath()+"/";
		String sysdir = new SystemBean().getDir();
		HttpSession session = request.getSession();
		try{
			String username2 = (String)session.getAttribute("user");
			if(username2 == null){
				request.getRequestDispatcher("error.jsp").forward(request, response);
			}
			else{
				SiteBean siteBean=new SiteBean();
				String id = null;
				String method = null;
				String picname = null;
				String place = null;
				String linkurl = null;
				String ifhide = null;
				int count = 0;
		        SmartUpload mySmartUpload = new SmartUpload();//init
		        	mySmartUpload.initialize(config,request,response);
		            mySmartUpload.upload(); 
		            method = mySmartUpload.getRequest().getParameter("method").trim();
		            if(method.equals("addpic")){//增加图片
		            	picname = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("picname").trim());
		            	place = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("place").trim());
		            	linkurl = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("linkurl").trim());
		            	ifhide = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("ifhide").trim());
		            	SmartFile file = mySmartUpload.getFiles().getFile(0);
		            	String fileExt=file.getFileExt();	            
		            	String path="/upload_file/pic";
	                    count = mySmartUpload.save(path);
	                    path=path+"/"+file.getFileName();
	                    int flag = siteBean.addPic(picname, place, path, linkurl, ifhide);
	                    if(flag == Constant.SUCCESS){
	                    	request.setAttribute("message", "操作成功！");
	                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
	                    }
	                    else{
	                    	request.setAttribute("message", "操作失败，如果连续多次操作失败，请联系系统管理员！");
	                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
	                    }
		            }
		            else if(method.equals("editpic")){//修改图片
		            	id = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("id")).trim();
		            	picname = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("picname").trim());
		            	place = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("place").trim());
		            	linkurl = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("linkurl").trim());
		            	ifhide = Filter.escapeHTMLTags(mySmartUpload.getRequest().getParameter("ifhide").trim());
		            	SmartFile file = mySmartUpload.getFiles().getFile(0);
		            	String fileExt=file.getFileExt();
		            	String path="/upload_file/pic";
	                    count = mySmartUpload.save(path);
	                    path=path+"/"+file.getFileName();
	                    if(file.getFilePathName().trim().equals("")){//如果不修改图片
	                    	int flag = siteBean.updatePicNoPic(Integer.parseInt(id), picname, place, linkurl, ifhide);
	                    	if(flag == Constant.SUCCESS){
		                    	request.setAttribute("message", "操作成功！");
		                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
		                    }
		                    else{
		                    	request.setAttribute("message", "操作失败，如果连续多次操作失败，请联系系统管理员！");
		                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
		                    }
	                    }
	                    else{//修改图片
	                    	int flag = siteBean.updatePic(Integer.parseInt(id), picname, place, path, linkurl, ifhide);
	                    	if(flag == Constant.SUCCESS){
		                    	request.setAttribute("message", "操作成功！");
		                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
		                    }
		                    else{
		                    	request.setAttribute("message", " 操作失败，如果连续多次操作失败，请联系系统管理员！");
		                		request.getRequestDispatcher(sysdir+"/site/pic.jsp").forward(request,response);
		                    }
	                    }
		            }
			}
		}catch(Exception e){
			e.printStackTrace();
			request.getRequestDispatcher("error.jsp").forward(request, response);
		}
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}