spring+struts2图书管理系统

      package com.zw.spring;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import javax.sql.DataSource;

import com.zw.spring.dao.BookAddInterface;

public class BookAddImpl implements BookAddInterface {
    private DataSource dataSource;
    public Connection conn;
    private Book book;
    public Book getBook() {
        return book;
    }

    public void setBook(Book book) {
        this.book = book;
    }

    public DataSource getDataSource() {
        return dataSource;
    }

    public void setDataSource(DataSource dataSource) {
        this.dataSource = dataSource;
    }

    public boolean addBook(Book book) {
        // TODO Auto-generated method stub
        System.out.println(book.getAuthor()+","+book.getBookname());
        try {
            conn=getDataSource().getConnection();
            String sql="insert into dbo.book (bookname,price,author,press,pressdate) values (?,?,?,?,?)";
            PreparedStatement ptmt=conn.prepareStatement(sql);
            ptmt.setString(1,book.getBookname());
            ptmt.setString(2, book.getPrice());
            ptmt.setString(3, book.getAuthor());
            ptmt.setString(4, book.getPress());
            ptmt.setString(5,book.getPressdate());
            boolean f=ptmt.execute();
            if(f==false)
            {
                return true;
            }
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
          System.out.println("失败了");
        }
        return false;
    }

    public boolean delete(String ids) {
        // TODO Auto-generated method stub
        try {
            conn=getDataSource().getConnection();
        
                   
                   System.out.println(ids);
            
                    String[] id=ids.split(",");
               for(int i=1;i<id.length;i++)
                 {
                    String sql="delete from  dbo.book where id="+id[i];
                    System.out.println(sql);
                    Statement stmt=conn.createStatement();
                    stmt.executeUpdate(sql);
                  }            
                    return true;
            
           
            } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        
    }
    public ArrayList<Book> resultList(String bookname) {
        // TODO Auto-generated method stub
        ArrayList<Book> array=new ArrayList<Book>();
        try {
            conn=dataSource.getConnection();
            String sql="select * from dbo.book where bookname like '%"+bookname+"%'";
            java.sql.Statement stmt=conn.createStatement();
            ResultSet result=stmt.executeQuery(sql);
            while(result.next())
            {
                book=new Book();
                book.setBookname(result.getString(1));
                book.setPrice(result.getString(2));
                book.setAuthor(result.getString(3));
                book.setPress(result.getString(4));
                book.setPressdate(result.getString(5));
                book.setId(result.getInt(6));
                array.add(book);
            }
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return array;
    }
    
    public ArrayList<Book> getAllBooks() {
        // TODO Auto-generated method stub
        ArrayList<Book> array=new ArrayList<Book>();
        try {
            conn=dataSource.getConnection();
            String sql="select * from book";
            java.sql.Statement stmt=conn.createStatement();
            ResultSet result=stmt.executeQuery(sql);
            while(result.next())
            {
                book=new Book();
                book.setBookname(result.getString(1));
                book.setPrice(result.getString(2));
                book.setAuthor(result.getString(3));
                book.setPress(result.getString(4));
                book.setPressdate(result.getString(5));
                book.setId(result.getInt(6));
                array.add(book);
            }
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return array;
    }   
    

    public boolean updateBook(Book book) {
        // TODO Auto-generated method stub
        try {
            System.out.println(book.getId());
            conn=dataSource.getConnection();
            String sql="update book set bookname=?,price=?,author=?,press=?,pressdate=? where id=?";
            PreparedStatement ptmt=conn.prepareStatement(sql);
            ptmt.setString(1, book.getBookname());
            ptmt.setString(2, book.getPrice());
            ptmt.setString(3, book.getAuthor());
            ptmt.setString(4, book.getPress());
            ptmt.setString(5, book.getPressdate());
            ptmt.setInt(6, book.getId());
            int f=ptmt.executeUpdate();
            System.out.println(f);
            if(f==1)
            {
                return true;
            }
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return false;
        }
        return false;
    }

    public Book getBook(int id) {
        // TODO Auto-generated method stub
        try {
            conn=dataSource.getConnection();
            Statement stmt=conn.createStatement();
            String sql="select * from book where id="+id;
            ResultSet result=stmt.executeQuery(sql);
            while(result.next())
            {
                book.setBookname(result.getString(1));
                book.setPrice(result.getString(2));
                book.setAuthor(result.getString(3));
                book.setPress(result.getString(4));
                book.setPressdate(result.getString(5));
                book.setId(result.getInt(6));
            }
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return book;
    }

}