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基于javaweb的JSP+Servlet失物招领系统(java+jsp+servlet+c3p0+mysql)

更新于

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

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基于javaweb的JSP+Servlet失物招领系统(java+jsp+servlet+c3p0+mysql)

项目介绍

本项目分为管理员、学生两种角色 学生可以查看失物、招领发布、信息浏览等； 管理员可以删除信息

环境需要

1.运行环境：最好是java jdk 1.8，我们在这个平台上运行的。其他版本理论上也可以。 2.IDE环境：IDEA，Eclipse,Myeclipse都可以。推荐IDEA; 3.tomcat环境：Tomcat 7.x,8.x,9.x版本均可 4.硬件环境：windows 7/8/10 1G内存以上；或者 Mac OS；  5.数据库：MySql 5.7版本； 6.是否Maven项目：否；

技术栈

  1. 后端：Servlet+c3p0 2. 前端：JSP

使用说明

  1. 使用Navicat或者其它工具，在mysql中创建对应名称的数据库，并导入项目的sql文件； 2. 使用IDEA/Eclipse/MyEclipse导入项目，Eclipse/MyEclipse导入时，若为maven项目请选择maven;若为maven项目，导入成功后请执行maven clean;maven install命令，然后运行； 3. 将项目中c3p0-config.xml配置文件中的数据库配置改为自己的配置; 4. 运行项目，前台地址：http://localhost:8080/index.jsp 后台地址：http://localhost:8080/login.jsp 管理员账号/密码：admin/admin

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		xiaoxi.setWupin(wupin);
		xiaoxi.setLianxiren(lianxiren);
		xiaoxi.setTel(tel);
		xiaoxi.setImagesName(fileName);
//		System.out.println(zhuti+" "+neirong+" "+wupin+" "+lianxiren+" "+tel+" "+"\n"+fileName);
		XiaoxiDao xiaoxiDao = new XiaoxiDao();
		int b=xiaoxiDao.insertsearch(xiaoxi);
        if(b==1) {
            request.getRequestDispatcher("/index.jsp").forward(request, response);
        }
		
	}
	
	/*招领*/
	protected void add_Findxiaoxi(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException, SQLException {		
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8"); 
		String zhuti = request.getParameter("zhuti");
		String neirong = request.getParameter("neirong");
		String wupin = request.getParameter("wupin");
        String lianxiren = request.getParameter("lianxiren");
        String tel = request.getParameter("tel");

        String imagePath =request.getParameter("");
        
        Part part = request.getPart("pic");
        System.out.println("______________>"+part);
		String fileName = photoDao.getPhotoNewName();
		String savePath = request.getSession().getServletContext().getRealPath("/imgs");
//		String savePath = "D:\\eclipse\\SearchAndFindPlatform(源码)\\WebContent\\imgs";
		System.out.println("保存路径："+savePath);
		File f = new File(savePath+"/");
		if(!f.exists()) {
			f.mkdirs();
		}
		part.write(savePath+"/"+fileName);
        
//		处理敏感词问题
//		String t = getServletContext().getRealPath("/sensitiveWords.txt");

		String t = request.getSession().getServletContext().getRealPath("sensitiveWords.txt");
		SensitiveWordFilter filter = new SensitiveWordFilter(t);
		System.out.println("敏感词的数量：" + filter.sensitiveWordMap.size());
		Set<String> set = filter.getSensitiveWord(neirong, 1);
		System.out.println("语句中包含敏感词的个数为：" + set.size() + "。包含：" + set);
		System.out.println("替换关敏感词");
		String newNeirong = filter.replaceSensitiveWord(neirong,2,"*");
		System.out.println(newNeirong);
        
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		// TODO Auto-generated method stub
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("GB2312");
		String methodName = request.getParameter("method");

		try {
			Method method = getClass().getDeclaredMethod(methodName, HttpServletRequest.class,
					HttpServletResponse.class);
			method.setAccessible(true);
			method.invoke(this, request, response);
		} catch (Exception e) {
			e.printStackTrace();
			throw new RuntimeException(e);
		}
	}

	
	/*寻物*/
	protected void add_Searchxiaoxi(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException, SQLException {		
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("UTF-8"); 
		response.setContentType("text/html;charset=UTF-8");
		String zhuti = request.getParameter("zhuti");
		String neirong = request.getParameter("neirong");
		String wupin = request.getParameter("wupin");
        String lianxiren = request.getParameter("lianxiren");
        String tel = request.getParameter("tel");


//        System.out.println(zhuti+" "+neirong+" "+wupin+" "+lianxiren+" "+tel);
        
        Part part = request.getPart("pic");
		String fileName = photoDao.getPhotoNewName();
		String savePath = request.getSession().getServletContext().getRealPath("/imgs");
//		String savePath = "D:\\eclipse\\SearchAndFindPlatform(源码)\\WebContent\\imgs";
		System.out.println("保存路径："+savePath);
		File f = new File(savePath+"/");
		if(!f.exists()) {
			f.mkdirs();
		}
		part.write(savePath+"/"+fileName);
		
		
        Date d = new Date();
		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
		String dateNow = sdf.format(d);
		
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        }  
        if(psw!=null&&!psw.equals(mima)){ 
            request.getRequestDispatcher("/login.jsp").forward(request, response);  
        }  
        if(psw.equals(mima)){  
            request.getRequestDispatcher("/admin.jsp").forward(request, response);  
            //response.setHeader("Refresh","1;url=welcome.jsp");  
        }
        
	}
	
	
	/*查找用户消息*/
	protected void finf_UserXiaoxi(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException {
		request.setCharacterEncoding("UTF-8");
		response.setCharacterEncoding("GB2312"); 
        String id1 = request.getParameter("id");  
        int user_id = Integer.getInteger(id1);
        XiaoxiDao xiaoxiDao = new XiaoxiDao();
        Xiaoxi xiaoxi=xiaoxiDao.findByUser(user_id);
            request.setAttribute("xiaoxi", xiaoxi); 
            request.getRequestDispatcher("/edit-employee.jsp").forward(request, response);  
            //response.setHeader("Refresh","1;url=welcome.jsp");  
	}
}
package dao;




public class photoDao {
	/*这个函数的功能是获取前端的数据集合，将文件打包成File以便后续操作
    */
   public static List<FileItem> getRequsetFileItems(HttpServletRequest request,ServletContext servletContext){
       boolean isMultipart=ServletFileUpload.isMultipartContent(request);
       if(isMultipart) {
           DiskFileItemFactory factory = new DiskFileItemFactory();
           String str="javax.servelet.context.tempdir";
           File repository=(File) servletContext.getAttribute(str);
           factory.setRepository(repository);
           ServletFileUpload upload=new ServletFileUpload(factory);
           try {
        	   System.out.println("获取到了文件");
               return upload.parseRequest(request);
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/**
 * Servlet implementation class XiaoxiServlet
 */
@WebServlet("/xiaoxiServlet")
@MultipartConfig
public class XiaoxiServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public XiaoxiServlet() {
		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)
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    boolean isMultipart=ServletFileUpload.isMultipartContent(request);
    if(isMultipart) {
        DiskFileItemFactory factory = new DiskFileItemFactory();
        String str="javax.servelet.context.tempdir";
        File repository=(File) servletContext.getAttribute(str);
        factory.setRepository(repository);
        ServletFileUpload upload=new ServletFileUpload(factory);
        try {
     	   System.out.println("获取到了文件");
            return upload.parseRequest(request);
            
        }catch (FileUploadException e) {
            // TODO: handle exception
     	   System.out.println("没有获取到文件");
            return null;
        }
    }else {
 	   System.out.println("没有获取到文件");
        return null;
    }
}
/*
这个函数的功能是将文件传到预先设置的绝对路径中，也就是项目里的imgs文件夹
*/
public static boolean saveFile(FileItem item,String fileName) {        
    File savePath=new File("D:\\eclipse\\SearchAndFindPlatform(源码)\\WebContent\\imgs");
    if(!savePath.exists()) {
        savePath.mkdirs();
    }
    File uploadFile=new File(savePath+File.separator+fileName);
    try{
        item.write(uploadFile);
        System.out.println("保存文件成功");
        return true;
    }catch(Exception e){
        System.out.println("保存文件失败");
    }
    return false;
}
/*
 这个函数的功能是获取当前时间点与1970年的间隔秒数
 */
public static int getSecondTimestamp(Date date){
    if (null == date) {
        return 0;
    }
    String timestamp = String.valueOf(date.getTime());
    System.out.println(timestamp);
    int length = timestamp.length();
    if (length > 3) {
        return Integer.valueOf(timestamp.substring(0,length-3));

项目链接：
https://javayms.github.io?id=321122522008200or
https://javayms.pages.dev?id=321122522008200or