博客系统开发推送第五季----个人相册模块

╰半橙微兮° 2022-06-15 06:53 184阅读 0赞

\# 博客模块的功能已经完善得差不多了，常见得功能基本实现，现在步入个人相册模块(这是本人自己添加展现用户个人风采的模块)

\# 部分核心代码：

Ascanner.jsp

<%@page import="bean.Album"%>
    <%@page import="java.util.List"%>
    <%@page import="dao.AlbumDaoImpl"%>
    <%@page import="dao.AlbumDao"%>
    <%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>我的相册</title>
    </head>
    <body>
    <center>
    <h1>我的所有相册</h1>
    <hr/>
    <table border="1" width="500px">
       <tr>
          <td>相册id</td><td>相册名称</td><td>操作</td>
       </tr> 
       <% 
         request.setCharacterEncoding("utf-8");  
         response.setCharacterEncoding("utf-8");  
         response.setHeader("Content-Type","text/html; charset=utf-8");    
         AlbumDao dao = new AlbumDaoImpl();
         List<Album> list = dao.findAll();
         for(int i=0;i<list.size();i++){
        	 Album album = list.get(i);
        	 System.out.println(album.getAlbum_name());
       %>
         <tr>
            <td><%=album.getAlbum_id() %></td> 
            <td><%=album.getAlbum_name() %></td>
            <td>
               <br/>
    		   <a href="Pscanner.jsp?album_id=<%=album.getAlbum_id()%>">查看相册</a><br/>
    		   <a href="Upload.jsp?album_id=<%=album.getAlbum_id()%>">添加照片</a><br/>
    		   <a href="RenameAlbum.jsp?album_id=<%=album.getAlbum_id()%>&album_name=<%= java.net.URLEncoder.encode(album.getAlbum_name(),"UTF-8")%>">编辑</a><br/>
    		   <a href="${pageContext.request.contextPath}/DeleteAlbum?album_id=<%=album.getAlbum_id()%>">删除</a><br/><br/>
            </td>
         <tr>
       <%} %>
    </table>
    <br/><br/>
    <center>
    <a href="CreateAlbum.jsp">创建相册</a>    
    <a href="list.jsp"  >返回上一页</a>    
    <a href="form.jsp"  >返回主界面</a></center>
    </center>
    </body>
    </html>

Pscanner.jsp

<%@page import="bean.Picture"%>
    <%@page import="java.util.List"%>
    <%@page import="dao.PictureDaoImpl"%>
    <%@page import="dao.PictureDao"%>
    <%@ page language="java" contentType="text/html; charset=utf-8"
        pageEncoding="utf-8" isELIgnored="false" %>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>    
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>相片浏览</title>
    </head>
    <body>
    <center>
    <table border="1" width="600">
        <tr>
           <td>相片id</td><td>相片名称</td><td>图片</td><td>相片描述</td><td>操作</td>
        </tr>
        <%
           request.setCharacterEncoding("utf-8");  
           response.setCharacterEncoding("utf-8");  
           response.setHeader("Content-Type","text/html; charset=utf-8"); 
           String id = request.getParameter("album_id");
           int album_id = Integer.parseInt(id);
           System.out.println("相册ID:"+album_id);
           PictureDao dao = new PictureDaoImpl();
           List<Picture> list = dao.getAllPicture(album_id);
           for(int i=0;i<list.size();i++){
        	   Picture picture = list.get(i);
        	// System.out.println("相片的名字为:" + picture.getPicture_name());
        %>
         <tr>
            <td><%=picture.getPicture_id() %></td>
            <td><%=picture.getPicture_name() %></td>
            <td><img src="${pageContext.request.contextPath}/showImage?picture_id=<%=picture.getPicture_id() %>" width="200"></td>
            <td><%=picture.getPicture_doc() %></td>
            <td>
    			<a href="Pediet.jsp?picture_id=<%=picture.getPicture_id() %>&picture_name=<%=java.net.URLEncoder.encode(picture.getPicture_name(),"UTF-8")%>&picture_doc=<%=java.net.URLEncoder.encode(picture.getPicture_doc(),"UTF-8")%>">编辑</a><br><br>
    			<a href="${pageContext.request.contextPath}/DeletePicture?picture_id=<%=picture.getPicture_id() %>">删除</a><br>
    		</td>
         </tr>
        <%} %>
    </table>
    <br/><br/>
    <a href="Ascanner.jsp">返回上一页</a>
    </center>
    </body>
    </html>

Pediet.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>编辑相片</title>
    </head>
    <body>
    <hr/>
    <center>
      <%
        String picture_name=request.getParameter("picture_name");
        picture_name=java.net.URLDecoder.decode(picture_name,"UTF-8");
        String picture_doc=request.getParameter("picture_doc");
        picture_doc=java.net.URLDecoder.decode(picture_doc,"UTF-8");
      %>
      <form action="${pageContext.request.contextPath}/EdietPicture" method="post" >
         <p>照片id：<input type="text" name="picture_id" value="<%=request.getParameter("picture_id") %>" readonly></p>
         <p>照片名称：<input type="text" name="picture_name" value="<%=picture_name %>" ></p>
         <p>描述：<textarea name="picture_doc" cols="50" rows="10"><%=picture_doc %></textarea></p>
         <p><input type="submit" value="修改"></p>
      </form>
    </center>
    </body>
    </html>

RenameAlbum.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
        pageEncoding="UTF-8"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>重命名相册</title>
    </head>
    <body>
    <center>
    <h2>相册重命名</h2>
    <hr/>
    <%
       //String album_name = new String(request.getParameter("album_name").getBytes("UTF-8"));
      // album_name=java.net.URLDecoder.decode(album_name, "UTF-8");
       
       String album_name=request.getParameter("album_name");
       album_name=java.net.URLDecoder.decode(album_name,"UTF-8");
    %>
    <form action="${pageContext.request.contextPath}/RenameAlbum" method="post" >
    <p>相册id:<input type="text" name="albumId" value="<%=request.getParameter("album_id") %>" readonly></p>
    <p>相册名:<input type="text" name="albumName" value="<%=album_name%>"></p> 
    <p><input type="submit" value="修改"></p>
    </form>
    </center>
    </body>
    </html>

AlbumDaoImpl.java

PictureDaoImpl.java

package dao;
    
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.util.ArrayList;
    import java.util.List;
    
    import com.mysql.jdbc.Connection;
    import com.mysql.jdbc.PreparedStatement;
    
    import DBConnect.DButil;
    import bean.Article;
    import bean.Picture;
    
    public class PictureDaoImpl implements PictureDao {
    
    	public void AddPicture(Picture picture) {
    		// TODO Auto-generated method stub
    		String sql="insert into picture(picture_doc,picture_file,album_id,picture_name) values(?,?,?,?)";  
            Connection conn=DButil.open(); 
            try {
    			  PreparedStatement pstmt=(PreparedStatement) conn.prepareStatement(sql);  
    			  pstmt.setString(1, picture.getPicture_doc());
    			  pstmt.setString(2, picture.getPicture_file());
    			  pstmt.setInt(3, picture.getAlbum_id());
    			  pstmt.setString(4, picture.getPicture_name());
    			  pstmt.executeUpdate();
    			  System.out.println("添加相片成功！");
    		} catch (SQLException e) {
    			// TODO: handle exception
    			System.out.println("添加相片失败！");
            e.printStackTrace();  
    		}
    		 finally {  
    	            DButil.close(conn);  
    	     }   
    	}
    
    	@Override
    	public List<Picture> getAllPicture(int album_id) {
    		// TODO Auto-generated method stub
    		String sql="select * from picture where album_id=?";  
            Connection conn=DButil.open();  
            List<Picture> list = new ArrayList<Picture>();
            try {  
                PreparedStatement pstmt=(PreparedStatement) conn.prepareStatement(sql); 
                pstmt.setInt(1,album_id);  
                ResultSet rs=pstmt.executeQuery();  
                while(rs.next())  
                {   
                	Picture picture = new Picture();
                	int picture_id = rs.getInt("picture_id");
                	picture.setPicture_id(picture_id);
                	String picture_doc = rs.getString("picture_doc");
                	picture.setPicture_doc(picture_doc);
                	String picture_file = rs.getString("picture_file");
                	picture.setPicture_file(picture_file);
                	String picture_name = rs.getString("picture_name");
                	picture.setPicture_name(picture_name);
    //            	int picture_id = rs.getInt(2);
    //            	String picture_doc = rs.getString(3);
    //            	String picture_file = rs.getString(4);
    //            	String picture_name = rs.getString(5);   
    //            	
    //            	Picture picture = new Picture();
    //              picture.setPicture_id(picture_id);
    //              picture.setPicture_doc(picture_doc);
    //              picture.setPicture_file(picture_file);
    //              picture.setAlbum_id(album_id);
    //              picture.setPicture_name(picture_name);
                    
                    System.out.println(picture);
                    System.out.println("查询相片成功！");
                    list.add(picture);
                }  
            } catch (SQLException e) {  
                // TODO Auto-generated catch block  
            	System.out.println("查询相片失败！");
                e.printStackTrace();  
            }  
            finally {   
                DButil.close(conn);  
            }  
    		return list;
    	}
    
    	@Override
    	public Picture get(int picture_id) {
    		// TODO Auto-generated method stub
    		String sql="select * from picture where picture_id=?";  
            Connection conn=DButil.open();  
            Picture picture = new Picture();
            try {  
                PreparedStatement pstmt=(PreparedStatement) conn.prepareStatement(sql); 
                pstmt.setInt(1,picture_id);  
                ResultSet rs=pstmt.executeQuery();  
                if(rs.next())  
                {   
                	String picture_doc = rs.getString(2);
                	String picture_file = rs.getString(3);
                	int album_id = rs.getInt(4);
                	String picture_name = rs.getString(5);
    
                    picture.setPicture_id(picture_id);
                    picture.setPicture_doc(picture_doc);
                    picture.setPicture_file(picture_file);
                    picture.setAlbum_id(album_id);
                    picture.setPicture_name(picture_name);
                    
                    System.out.println(picture);
                    System.out.println("查询相片成功！");
                    return picture;
                }  
            } catch (SQLException e) {  
                // TODO Auto-generated catch block  
            	System.out.println("查询相片失败！");
                e.printStackTrace();  
            }  
            finally {   
                DButil.close(conn);  
            }  
    		return picture;
    	}
    
    	@Override
    	public void update(Picture picture) {
    		// TODO Auto-generated method stub
    		String sql="update picture set picture_name=? , picture_doc=? where picture_id=?";
    		Connection conn=DButil.open(); 
    		try {  
                PreparedStatement pstmt=(PreparedStatement) conn.prepareStatement(sql);  
                pstmt.setString(1, picture.getPicture_name());   //占位符必须按顺序来排
                pstmt.setString(2, picture.getPicture_doc());
                pstmt.setInt(3, picture.getPicture_id());
    			int n=pstmt.executeUpdate();
    			System.out.println("已成功修相片信息"); 
            } catch (SQLException e) {  
                // TODO Auto-generated catch block  
            	System.out.println("修改相片信息失败！");
                e.printStackTrace();  
            }  
            finally {   
                DButil.close(conn);  
            }     
    	}
    
    	@Override
    	public int delete(int picture_id) {
    		// TODO Auto-generated method stub
    		String sql="delete from picture where picture_id=?";
    		Connection conn=DButil.open(); 
    		 try {  
    	            PreparedStatement pstmt=(PreparedStatement) conn.prepareStatement(sql);  
    	            pstmt.setInt(1, picture_id);
    				int n=pstmt.executeUpdate();
    				System.out.println("已成功删除数据！");
    				return n;	 
    	        } catch (SQLException e) {  
    	            // TODO Auto-generated catch block  
    	        	System.out.println("删除数据失败！");
    	            e.printStackTrace();  
    	        }  
    	        finally {   
    	            DButil.close(conn);  
    	        }    
    		return 0;
    	}
    
    }

UploadPicture.java

package servlet;
    
    import java.io.IOException;
    import java.util.Collection;
    
    import javax.servlet.ServletException;
    import javax.servlet.annotation.MultipartConfig;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.Part;
    
    import bean.Picture;
    import dao.PictureDao;
    import dao.PictureDaoImpl;
    
    @MultipartConfig(location = "C://picture", maxFileSize = 8388608, fileSizeThreshold = 819200)
    public class UploadPicture extends HttpServlet {
    	private static final long serialVersionUID = 1L;
    	@SuppressWarnings("unused")
    	private static final String imageDir = "C://picture";       
        public UploadPicture() {
            super();
            // TODO Auto-generated constructor stub
        }
    
    //	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    //		// TODO Auto-generated method stub
    //		doPost(request, response); 
    //	}
    
    	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		//设置编码  
            request.setCharacterEncoding("utf-8");  
            response.setCharacterEncoding("utf-8");  
            response.setHeader("Content-Type","text/html; charset=utf-8");  
            
            String picture_doc = request.getParameter("picturedoc");//相片描述
            String album = request.getParameter("albumid");//相册ID
            int album_id = Integer.parseInt(album);
            String picture_name = request.getParameter("picturename");
            String picture_file = picture_name + System.nanoTime();
            
            Picture picture = new Picture();
            picture.setPicture_doc(picture_doc);
            picture.setPicture_file(picture_file);
            picture.setAlbum_id(album_id);
            picture.setPicture_name(picture_name);
            PictureDao dao = new PictureDaoImpl();
            
            //上传图片，与数据库相关联
            try {
    			dao.AddPicture(picture);
    			//获得相片的id，传递到jsp页面中
    			Collection<Part> parts = request.getParts();
    			for(Part part : parts){
    				if (part.getName().equals("picturefile")) {
    					part.write(picture_file);
    					System.out.println("图片上传成功!");
    					break;
    				}
    				response.sendRedirect("/UseTest/ueditor/Ascanner.jsp");
    			}
    		} catch (Exception e) {
    			// TODO Auto-generated catch block
    			e.printStackTrace();
    		}
    	}
    
    }

EdietPicture.java

package servlet;
    
    import java.io.IOException;
    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 bean.Picture;
    import dao.PictureDao;
    import dao.PictureDaoImpl;
    public class EdietPicture extends HttpServlet {
    	private static final long serialVersionUID = 1L;
    
        public EdietPicture() {
            super();
            // TODO Auto-generated constructor stub
        }
    
    	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		doPost(request, response);
    	}
    
    	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    		// TODO Auto-generated method stub
    		//设置编码  
            request.setCharacterEncoding("utf-8");  
            response.setCharacterEncoding("utf-8");  
            response.setHeader("Content-Type","text/html; charset=utf-8");  
            
            String ID = request.getParameter("picture_id");
            int picture_id = Integer.parseInt(ID);
            String picture_name = request.getParameter("picture_name");
            String picture_doc = request.getParameter("picture_doc");
            Picture picture = new Picture();
            picture.setPicture_id(picture_id);
            picture.setPicture_name(picture_name);
            picture.setPicture_doc(picture_doc);
            
            PictureDao dao = new PictureDaoImpl();
            try {
    			dao.update(picture);;
    			System.out.println("修改信息成功!");
    			response.sendRedirect("/UseTest/ueditor/Ascanner.jsp");
    		} catch (Exception e) {
    			// TODO Auto-generated catch block
    			System.out.println("修改信息失败!");
    			e.printStackTrace();
    		}
    	}
    
    }

\# 部分功能截图：

![Center][]

![Center 1][]

![Center 2][]

![Center 3][]

![Center 4][]

\# 查看"五一出游"相册相片

![Center 5][]

[Center]: /images/20220615/5f5ef1e8ad4a466fbef6b4f1ebf6fc28.png
[Center 1]: /images/20220615/69c41f35caee40c4a26a79efd3486a47.png
[Center 2]: /images/20220615/bacb0e728a6942be93b2627ddb22f2fa.png
[Center 3]: /images/20220615/9c6d0c78473942559cfb6a6f87762ac5.png
[Center 4]: /images/20220615/91c1951014d7413f912557aec14627c7.png
[Center 5]: /images/20220615/85aa2cce9ec5455ca0980badeb040896.png