h5上传视频到服务端，存到指定位置，url保存到数据库，最后以特定格式显示

package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Properties;


public class JdbcUtil {
	private static String driver;
	private static String url;
	private static String user;
	private static String password;
	private static Properties pr=new Properties();
	public JdbcUtil(){}
		static {
			try {
				pr.load(JdbcUtil.class.getClassLoader().getResourceAsStream("dbconfig.properties"));
				driver=pr.getProperty("driver");
				url=pr.getProperty("dburl");
				user=pr.getProperty("user");
				password=pr.getProperty("password");
				Class.forName(driver);
				
			} catch (Exception e) {
				e.printStackTrace();
			}
			
			
		}
		public static Connection getConnection() throws SQLException{
			return DriverManager.getConnection(url,user,password);
			
		}
		public static void free(ResultSet rs,PreparedStatement st,Connection conn){
			try {
				if(rs!=null) rs.close();
			} catch (SQLException e) {
				e.printStackTrace();
			}
			finally{
				try {
					if(st!=null) st.close();
				} catch (SQLException e2) {
					e2.printStackTrace();
				}
				finally{
					try {
						if(conn!=null) conn.close();
					} catch (SQLException e3) {
						e3.printStackTrace();
					}
					
				}
				
				
			}
			
		}
		
		
		public boolean Write(String s) throws SQLException{
			int n=0;
			Connection conn=getConnection();
			PreparedStatement ps=null;
			try {
				ps=conn.prepareStatement(s);
				n=ps.executeUpdate();
				if(n!=0) return true;
			} catch (Exception e) {
				e.printStackTrace();
			}
			finally{
				free(null, ps, conn);
				
			}
			return false;
		}
		
		
	}

driver=com.mysql.jdbc.Driver
dburl=jdbc\:mysql\://localhost\:3306/app?useUnicode=true&characterEncoding=UTF-8
user=root
password=123456

package dao;

import java.sql.SQLException;

import bean.Resourse;

public interface ResourseDao {
	public boolean insert(Resourse r)throws SQLException; 
	
}

package daoImpl;

import java.sql.SQLException;

import bean.Resourse;
import dao.ResourseDao;
import jdbc.JdbcUtil;

public class ResourseDaoImpl implements ResourseDao {
	private JdbcUtil ju;

	public ResourseDaoImpl() {
		ju=new JdbcUtil();
	}
	
	@Override
	public boolean insert(Resourse r) throws SQLException {
		String sql="insert into resourse values(0,‘"+r.getWord()+"‘,‘"+r.getResourse_path()+"‘,"+r.getIsused()+","+r.getQid()+",‘"
+r.getUphone()+"‘)";
		return ju.Write(sql);
	}

}

package servlet;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.util.List;

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 org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import bean.Resourse;
import dao.ResourseDao;
import daoImpl.ResourseDaoImpl;
@WebServlet("/UploadServlet")
public class UploadServlet extends HttpServlet {

    /**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
		String value="";
		ResourseDao rd=new ResourseDaoImpl();// new！
		response.setCharacterEncoding("utf-8");
                //得到上传文件的保存目录，将上传的文件存放于WEB-INF目录下，不允许外界直接访问，保证上传文件的安全
                String savePath = this.getServletContext().getRealPath("/teach/video");
                File file = new File(savePath);
                //判断上传文件的保存目录是否存在
                if (!file.exists() && !file.isDirectory()) {
                    System.out.println(savePath+"目录不存在，需要创建");
                    //创建目录
                    file.mkdir();
                }
                //消息提示
                String message = "";
                try{
                    //使用Apache文件上传组件处理文件上传步骤：
                    //1、创建一个DiskFileItemFactory工厂
                    DiskFileItemFactory factory = new DiskFileItemFactory();
                    //2、创建一个文件上传解析器
                    ServletFileUpload upload = new ServletFileUpload(factory);
                     //解决上传文件名的中文乱码
                    upload.setHeaderEncoding("UTF-8"); 
                    //3、判断提交上来的数据是否是上传表单的数据
                    if(!ServletFileUpload.isMultipartContent(request)){
                        //按照传统方式获取数据
                        return;
                    }
                    //4、使用ServletFileUpload解析器解析上传数据，解析结果返回的是一个List<FileItem>集合，每一个FileItem对应一个Form表单的输入项
                    List<FileItem> list = upload.parseRequest(request);
                    for(FileItem item : list){
                        //如果fileitem中封装的是普通输入项的数据
                        if(item.isFormField()){
                            String name = item.getFieldName();
                            //解决普通输入项的数据的中文乱码问题
                            value = item.getString("UTF-8");
                            //value = new String(value.getBytes("iso8859-1"),"UTF-8");
                            System.out.println(name + "=" + value);
                        }else{//如果fileitem中封装的是上传文件
                        	//得到上传的文件名称，
                        	String filenamee=item.getName();
                            String filename = "http://localhost:8080/soga/teach/video/"+item.getName();//new！
                            //添加到数据库！！！
                            
                            filename=checkString(filename);//new!
                            System.out.println(filename);//new!
                            Resourse r=new Resourse(value,filename,0,"188*******");//这里是你自己写的实体类里的构造函数
                            System.out.println(rd.insert(r));//new!
                            if(filenamee==null || filenamee.trim().equals("")){
                                continue;
                            }
                            //注意：不同的浏览器提交的文件名是不一样的，有些浏览器提交上来的文件名是带有路径的，如：  c:\a\b\1.txt，而有些只是单纯的文件名，如：1.txt
                            //处理获取到的上传文件的文件名的路径部分，只保留文件名部分
                            filenamee = filenamee.substring(filenamee.lastIndexOf("\\")+1);
                            //获取item中的上传文件的输入流
                            InputStream in = item.getInputStream();
                            //创建一个文件输出流
                            FileOutputStream out = new FileOutputStream(savePath + "\\" + filenamee);
                            //创建一个缓冲区
                            byte buffer[] = new byte[1024];
                            //判断输入流中的数据是否已经读完的标识
                            int len = 0;
                            //循环将输入流读入到缓冲区当中，(len=in.read(buffer))>0就表示in里面还有数据
                            while((len=in.read(buffer))>0){
                                //使用FileOutputStream输出流将缓冲区的数据写入到指定的目录(savePath + "\\" + filename)当中
                                out.write(buffer, 0, len);
                            }
                            //关闭输入流
                            in.close();
                            //关闭输出流
                            out.close();
                            //删除处理文件上传时生成的临时文件
                            item.delete();
                            message = "文件上传成功！";
                        }
                    }
                }catch (Exception e) {
                    message= "文件上传失败！";
                    e.printStackTrace();
                    
                }
                request.setAttribute("message",message);
                request.getRequestDispatcher("/message.jsp").forward(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        doGet(request, response);
    }
    public String checkString(String str){  //new!
        String returnStr = "";  
        if(str.indexOf("‘") != -1){//判断字符串是否含有单引号  
            returnStr = str.replace("‘", "‘‘");  
            str = returnStr;  
        }  
        return str;  
    }  
}