requpload.java

一个小型的BBS系统

package com.servlet;

import java.io.IOException;
import java.util.StringTokenizer;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import bean.dbwrite.DBContentWrite;
import bean.dbwrite.DBFormWrite;
import bean.readdb.DBRead;

import com.jspsmart.upload.SmartUpload;

/**
 * Servlet implementation class for Servlet: ReqUpload
 *
 */
 public class ReqUpload extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;
   private ServletConfig config;
   
   final public void init(ServletConfig config) throws ServletException {
		  this.config = config;
	 }
    /* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#HttpServlet()
	 */
	public ReqUpload() {
		super();
	}   	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	}  	
	
	/* (non-Java-doc)
	 * @see javax.servlet.http.HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
	/*	String url;
		ServletContext sc = getServletContext();*/
		//保存上传文件
		int count=0;
		SmartUpload mySmartUpload = new SmartUpload();
		try {
			// 初始化
			mySmartUpload.initialize(config,request,response);
			// 上载
			mySmartUpload.upload();
			com.jspsmart.upload.File f1 = mySmartUpload.getFiles().getFile(0);
		    String filename = f1.getFileName();
		    System.out.println (filename);
		    String postid =new String(mySmartUpload.getRequest().getParameter("postid").getBytes("iso-8859-1"),"GB2312");
		    String floor = new String(mySmartUpload.getRequest().getParameter("floor").getBytes("iso-8859-1"),"GB2312");	
		    DBRead dbr = new DBRead();
		    DBContentWrite dbcw = new DBContentWrite();

		    
		    int image =0;
		    image = dbr.DBReader_Image(postid,floor);
		    image = image+1;
		    String temp1="";
		    String temp2="";
		    for(int i=0; i<postid.length();i++){
		    	if(postid.charAt(i)=='*'){
		    		temp1 = postid.substring(0,i);	
		    		temp2 = postid.substring(i+1);
		    		break;
		    	}
		    }
		    
		    filename =temp1+"_"+temp2+"_"+floor+"_"+image+".jpg";
		    System.out.println("拼装后filename:"+filename);
			// 保存上载文件到指定目录
			// PATH为form表单提交过来的
			f1.saveAs(mySmartUpload.getRequest().getParameter("PATH")+filename);
			dbcw.UpdateImage(postid, floor);//更新image字段+1
			System.out.println(mySmartUpload.getRequest().getParameter("PATH")+filename);
			count++;
		    // 显示处理结果
			System.out.println(count + " 上传成功");
			
		} catch (Exception e){
			System.out.println("Unable to upload the file.");
			System.out.println("Error : " + e.toString());
		}
		
	}   	  	    
}