查询图书馆借书情况-代码

package cn.liuning.UI;

import java.util.ArrayList;
import java.util.List;
import cn.liuning.find.FindCETScore;
import cn.liuning.find.FindLibrary;
import cn.liuning.javabean.Book;
import cn.liuning.javabean.Score;


public class Main {
    
    /**
     * @param args
     * @throws Exception 
     */
    public static void main(String[] args) throws Exception {
    
        //查询CET
        //System.out.println("请输入您的准考证号:");
        //Scanner scanner = new Scanner(System.in);
        //String examnumber = scanner.next();
        //System.out.println("请输入您的姓名:");
        //String name = scanner.next();
        FindCETScore findCet=new FindCETScore();
        List<Score> list1 = new ArrayList<Score>();
        list1 = findCet.findCETScore_Get("", "");
        findCet.output(list1);
        
        //查询图书馆借书情况
        FindLibrary findBook = new FindLibrary();
        //System.out.println("请输入您的账号:");
        //Scanner scanner = new Scanner(System.in);
        //String account = scanner.next();
        //System.out.println("请输入您的密码:");
        //String password = scanner.next();
        List<Book> list2=findBook.findLibrary("","");
        findBook.output(list2);
        
    }

}
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package cn.liuning.find;
import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

import cn.liuning.Utils.Book_HtmlToJavaBean;
import cn.liuning.Utils.PublicUtils;
import cn.liuning.javabean.Book;
import cn.liuning.javabean.Score;


public class FindLibrary {
        CloseableHttpClient httpclient= HttpClients.createDefault();
        List<Score> list = new ArrayList<Score>();
        
        //以post方式登陆系统
        public void findLibrary_Login(String account, String password) throws Exception
        {
            HttpPost httpPost = new HttpPost("http://222.206.65.12/reader/redr_verify.php");
            List <NameValuePair> nvps = new ArrayList <NameValuePair>();
            nvps.add(new BasicNameValuePair("number", "12110501102"));
            nvps.add(new BasicNameValuePair("passwd", "12110501102"));
            nvps.add(new BasicNameValuePair("select", "cert_no"));
            nvps.add(new BasicNameValuePair("returnUrl", ""));
            httpPost.setEntity(new UrlEncodedFormEntity(nvps));
            CloseableHttpResponse response2 = httpclient.execute(httpPost);
            try {
                EntityUtils.toString(response2.getEntity());
            } finally {
                response2.close();
            }
             
        }
        
    //get方式获取数据
     public List<Book> findLibrary_Get() throws Exception
     {    
            HttpGet httpGet = new HttpGet("http://222.206.65.12/reader/book_lst.php");
            CloseableHttpResponse response1 = httpclient.execute(httpGet);
            try {
               String str = EntityUtils.toString(response1.getEntity());
               str = new String(str.getBytes("iso8859-1"), "utf-8");
               Book_HtmlToJavaBean book_html=new Book_HtmlToJavaBean();
               List<Book> list = book_html.changeTobean(str);
               return list;
            } finally {
                response1.close();
            }
      }
     
     //post方式获取
     public  String findLibrary_Post(CloseableHttpClient httpclient) throws Exception
     { 
         return null; 
     }

    //查询入口
    public List<Book> findLibrary(String account, String password) throws Exception {
        findLibrary_Login(account,password);//先登录
        return findLibrary_Get();//后查询
    }
    
    //输出函数
    public void output(List<Book> list2) {
        
        for (int j = 0; j < list2.size(); j++) {
            Book book = list2.get(j);
            PublicUtils utils = new PublicUtils();
            String a = utils.bookTostring(book);
            System.out.println(a);
            
        }
    }

}

  -----------------------------------------------------------
package cn.liuning.Utils;


import java.util.ArrayList;
import java.util.List;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;

import cn.liuning.javabean.Book;

public class Book_HtmlToJavaBean {

    public List<Book> changeTobean(String str){
        
        Document doc = Jsoup.parse(str);
        Element table = doc.getElementsByTag("table").get(0);
        Elements trs = table.getElementsByTag("tr");
        ArrayList<Book> list=new ArrayList<Book>();
        
        for (int i = 1; i < trs.size(); i++)
        {
            Element tr1 = trs.get(i);
            Elements tds = tr1.getElementsByTag("td");
            Book book = new Book();
            for (int j = 0; j < tds.size() - 2; j++)
            {    
                Element td = tds.get(j);
                String text = td.text();
                
                if(j==0) {
                    book.setBarcode(text);
                }
                else if(j==1) {
                    book.setBookname(text);
                }
                else if(j==2) {
                    book.setBookname(text);
                }
                    
                else if(j==3) {
                    book.setBorrowdate(text);
                }
                else if(j==4) {
                    book.setReturndate(text);
                }
                else if(j==5) {
                    book.setCollectplace(text);
                }
            }
            list.add(book);
        }
    
        return list;
    }
}
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package cn.liuning.Utils;

import cn.liuning.javabean.Book;

public class PublicUtils {

    public String bookTostring(Book book)
    {
        return "条码号:" + book.getBarcode()+
                " "+" 书名:" + book.getBookname()+
                " "+"责任者:"+ book.getAuthor()+
                " "+"借阅日期:" + book.getBorrowdate()+
                " 应还日期:"+book.getReturndate()+
                " 馆藏地:"+book.getCollectplace();
    }

}
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package cn.liuning.javabean;

public class Book {
    /**
     * 书的条形码
     */
    private String barcode;
    /**
     * 书名
     */
    private String bookname;
    /**
     * 责任者
     */
    private String author;
    /**
     * 借阅日期
     */
    private String borrowdate;
    /**
     * 应还日期
     */
    private String returndate;
    /**
     * 馆藏地
     */
    private String collectplace;
    
    
    public String getBarcode() {
        return barcode;
    }
    public void setBarcode(String barcode) {
        this.barcode = barcode;
    }
    public String getBookname() {
        return bookname;
    }
    public void setBookname(String bookname) {
        this.bookname = bookname;
    }
    public String getAuthor() {
        return author;
    }
    public void setAuthor(String author) {
        this.author = author;
    }
    public String getBorrowdate() {
        return borrowdate;
    }
    public void setBorrowdate(String borrowdate) {
        this.borrowdate = borrowdate;
    }
    public String getReturndate() {
        return returndate;
    }
    public void setReturndate(String returndate) {
        this.returndate = returndate;
    }
    public String getCollectplace() {
        return collectplace;
    }
    public void setCollectplace(String collectplace) {
        this.collectplace = collectplace;
    }    
}