亚洲国产精品91,一区二区三区精品视频,亚洲精品免费在线

实现分页功能的Bean

吕鹏-Roc — Mon, 11 Jul 2011 09:55:00 GMT

package cn.zbvc.util;

import java.util.List;

import cn.zbvc.bean.User;

public class PageBean {
    private List<User> list;  //要返回的某一��늚�记录列表

    private int allRow; //总记录数
    private int totalPage;  //总页�?/span>
    private int currentPage;  //当前��?/span>
    private int pageSize;  //每页的记录数

    private boolean isFirstPage;  //是否为当前第一��?/span>
    private boolean isLastPage;  //是否为最后一��?/span>
    private boolean hasPreviousPage;  //是否有前一��?/span>
    private boolean hasNextPage;  //是否有下一��?/span>

    public List<User> getList() {
        return list;
    }
    public void setList(List<User> list) {
        this.list = list;
    }
    public int getAllRow() {
        return allRow;
    }
    public void setAllRow(int allRow) {
        this.allRow = allRow;
    }
    public int getTotalPage() {
        return totalPage;
    }
    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }
    public int getCurrentPage() {
        return currentPage;
    }
    public void setCurrentPage(int currentPage) {
        this.currentPage = currentPage;
    }
    public int getPageSize() {
        return pageSize;
    }
    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }
    public boolean isFirstPage() {
        return isFirstPage;
    }
    public boolean isLastPage() {
        return isLastPage;
    }
    public boolean isHasPreviousPage() {
        return hasPreviousPage;
    }
    public boolean isHasNextPage() {
        return hasNextPage;
    }

    /**
     * 初始化分��信�?br />      */
    public void init(){
        this.isFirstPage = isFirstPage;
        this.isLastPage = isLastPage;
        this.hasPreviousPage = hasPreviousPage;
        this.hasNextPage = hasNextPage;
    }

    /**
     * 计算总页�?nbsp; 静态方�?br />      * @param pageSize  每页的记录数
     * @param allRow  总记录数
     * @return 总页�?br />      */
    public static int countTatalPage(final int pageSize,final int allRow){
        int toalPage = allRow % pageSize == 0 ? allRow/pageSize : allRow/pageSize + 1;
        return toalPage;
    }

    /**
     * 计算当前��开始的记录
     * @param pageSize 每页记录�?br />      * @param currentPage 当前�W�几��?br />      * @return 当前��开始记录号
     */
    public static int countOffset(final int pageSize,final int currentPage){
        final int offset = pageSize * (currentPage - 1);
        return offset;
    }

    /**
     * 计算当前��，若�ؓ0或者请求的URL中没�?#8220;?page = ”则用1代替
     * @param page 传入的参敎ͼ�可能为空�Q�即0  则返�?�Q?br />      * @return
     */
    public static int countCurrentPage(int page){
        final int curpage = (page == 0 ? 1 : page);
        return curpage;
    }

}

@import url(http://www.aygfsteel.com/CuteSoft_Client/CuteEditor/Load.ashx?type=style&file=SyntaxHighlighter.css);@import url(/css/cuteeditor.css);

吕鹏-Roc 2011-07-11 17:55 发表评论

java日期处理bean

吕鹏-Roc — Sun, 10 Jul 2011 02:13:00 GMT

摘要: Code highlighting produced by Actipro CodeHighlighter (freeware) http://www.CodeHighlighter.com/ -->import java.text.ParsePosition; import java.text.SimpleDateFormat; import java.... 阅读全文

吕鹏-Roc 2011-07-10 10:13 发表评论

java讉K��资源文�g

吕鹏-Roc — Sun, 10 Jul 2011 02:12:00 GMT

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Properties;

public class PropertyEditor {
    public static void main(String[] args) throws Exception {
        Properties prop = new Properties();// 属性集合对�?nbsp;
        FileInputStream fis = new FileInputStream("prop.properties");// 属性文件输入流   (相对于根目录下的文�g名，要加上包�?nbsp;“src/prop.properties”)
        prop.load(fis);// ��属性文件流装蝲到Properties对象�?nbsp;
        fis.close();// 关闭��?nbsp;

        // 获取属性��|��sitename已在文�g中定�?nbsp;
        System.out.println("获取属性��|��sitename=" + prop.getProperty("sitename"));
        // 获取属性��|��country未在文�g中定义，��在此程序中�q�回一个默认��|��但�ƈ不修改属性文�?nbsp;
        System.out.println("获取属性��|��country=" + prop.getProperty("country", "中国"));

        // 修改sitename的属性�?nbsp;
        prop.setProperty("sitename", "中国");
        // ��d��一个新的属性studio
        prop.setProperty("studio", "Boxcode Studio");
        // 文�g输出��?nbsp;
        FileOutputStream fos = new FileOutputStream("prop.properties");
        // ��Properties集合保存到流�?nbsp;
        prop.store(fos, "Copyright (c) Boxcode Studio");
        fos.close();// 关闭��?nbsp;
    }
}

/*
*资源文�g

sitename=\u4E2D\u56FD
siteurl=www.abcjava.com ?
studio=Boxcode Studio
*
**/

吕鹏-Roc 2011-07-10 10:12 发表评论

吕鹏-Roc — Sun, 10 Jul 2011 02:08:00 GMT

package cn.zbvc.java;
import java.awt.FlowLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.UIManager;
import javax.swing.plaf.synth.SynthLookAndFeel;

public class MyButton {
JFrame frame = new JFrame("Test Buttons");
JButton jButton = new JButton("JButton"); // 按钮
public MyButton() {
  frame.setLayout(new FlowLayout());
  frame.getContentPane().add(jButton);
}
public void show() {
  frame.pack();
  frame.show();
}
public static void main(String[] args) {
  MyButton tb = new MyButton();
  tb.show();
  SynthLookAndFeel slf = new SynthLookAndFeel();
  try {
      slf.load(MyButton.class.getResourceAsStream("mybutton.xml"), MyButton.class);
      UIManager.setLookAndFeel(slf);
  } catch (Exception e) {
      e.printStackTrace();
      return;
  }

}
}

/*
*
*










*
**/

吕鹏-Roc 2011-07-10 10:08 发表评论

吕鹏-Roc — Sun, 10 Jul 2011 02:06:00 GMT

  1 package cn.zbvc.java;
  2 import java.io.InputStream;
  3 import java.sql.Connection;
  4 import java.sql.DriverManager;
  5 import java.sql.ResultSet;
  6 import java.sql.SQLException;
  7 import java.sql.Statement;
  8 import java.util.Properties;
  9
10
11 public class JDBConnection {
12     public Connection conn = null; // 声明Connection对象的实�?/span>
13     public Statement stmt = null; // 声明Statement对象的实�?/span>
14     public ResultSet rs = null; // 声明ResultSet对象的实�?/span>
15
16     private static String dbClassName = "com.microsoft.jdbc.sqlserver.SQLServerDriver";//定义保存数据库驱动的变量
17     private static String dbUrl = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=DB_ATM";
18     private static String dbUser = "sa";
19     private static String dbPwd = "sa";
20
21     public JDBConnection(String propertyFileName) {// 带属性文件名的构造方�?/span>
22         Properties prop = new Properties();// 属性集合对�?/span>
23         InputStream is = null;
24         try {
25             is = JDBConnection.class.getClassLoader().getResourceAsStream(
26                     propertyFileName);// 属性文件输入流
27             // is = new FileInputStream("src/" + propertyFileName);
28             prop.load(is);// ��属性文件流装蝲到Properties对象�?/span>
29             is.close();// 关闭��?/span>
30             dbClassName = prop.getProperty("dbClassName");
31             dbUrl = prop.getProperty("dbUrl");
32             dbUser = prop.getProperty("dbUser");
33             dbPwd = prop.getProperty("dbPwd");
34         } catch (Exception e) {
35             System.out.println("属性文�?nbsp; " + propertyFileName + " 打开��p�|�Q?/span>");
36         }
37         try {
38
39             Class.forName(dbClassName);// 1.注册驱动
40         } catch (ClassNotFoundException e) {
41             e.printStackTrace();
42         }
43     }
44
45     public JDBConnection() {// 默认的不带参数的构造函�?/span>
46         try {
47
48             Class.forName(dbClassName);// 1.注册驱动
49         } catch (ClassNotFoundException e) {
50             e.printStackTrace();
51         }
52     }
53
54     public static Connection getConnection() {
55         Connection conn = null;
56         try {
57             // Class.forName(dbClassName);// 1.注册驱动
58             conn = DriverManager.getConnection(dbUrl, dbUser, dbPwd);//2.建立与数据库的链�?/span>
59         } catch (Exception ee) {
60             ee.printStackTrace();
61         }
62         if (conn == null) {
63             System.err
64                     .println("警告: DbConnectionManager.getConnection() 获得数据库链接失�?\r\n\r\n链接�c�d��:"
65                             + dbClassName
66                             + "\r\n链接位置:"
67                             + dbUrl
68                             + "\r\n用户/密码"
69                             + dbUser + "/" + dbPwd);
70         }
71         return conn;
72     }
73
74     /*
75      * 功能�Q�执行查询语�?br /> 76      */
77     public ResultSet executeQuery(String sql) {
78         try { // 捕捉异常
79             conn = getConnection(); // 调用getConnection()�Ҏ��构造Connection对象的一个实例conn
80             stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,//3.创徏语句
81                     ResultSet.CONCUR_READ_ONLY);
82             rs = stmt.executeQuery(sql);//4.执行查询
83         } catch (SQLException ex) {
84             System.err.println(ex.getMessage()); // 输出异常信息
85         }
86         return rs; // �q�回�l�果集对�?nbsp;5.�l�果处理
87     }
88
89     /*
90      * 功能:执行更新操作
91      */
92     public int executeUpdate(String sql) {
93         int result = 0; // 定义保存�q�回值的变量
94         try { // 捕捉异常
95             conn = getConnection(); // 调用getConnection()�Ҏ��构造Connection对象的一个实例conn
96             stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
97                     ResultSet.CONCUR_READ_ONLY);
98             result = stmt.executeUpdate(sql); // 执行更新操作
99         } catch (SQLException ex) {
100             result = 0; // ��保存返回值的变量赋��gؓ0
101         }
102         return result; // �q�回保存�q�回值的变量
103     }
104
105     /*
106      * 功能:关闭数据库的�q�接
107      */
108     public void close() {//6.释放资源
109         try { // 捕捉异常
110             try {
111                 if (rs != null) { // 当ResultSet对象的实例rs不�ؓ�I�时
112                     rs.close(); // 关闭ResultSet对象
113                 }
114             } finally {
115                 try {
116                     if (stmt != null) { // 当Statement对象的实例stmt不�ؓ�I�时
117                         stmt.close(); // 关闭Statement对象
118                     }
119                 } finally {
120                     if (conn != null) { // 当Connection对象的实例conn不�ؓ�I�时
121                         conn.close(); // 关闭Connection对象
122                     }
123                 }
124             }
125         } catch (Exception e) {
126             e.printStackTrace(System.err); // 输出异常信息
127         }
128     }
129
130 }
131
132 /*
133  *属性文�?br /> 134 dbClassName=com.microsoft.jdbc.sqlserver.SQLServerDriver
135 dbClassName2=com.mysql.jdbc.Driver
136 dbPwd=sa
137 dbPwd2=root
138 dbUrl=jdbc\:microsoft\:sqlserver\://localhost\:1433;DatabaseName\=DB_ATM
139 dbUrl2=jdbc\:mysql\://localhost\:3306/db_atm
140 dbUser=sa
141 dbUser2=root
142  **/

吕鹏-Roc 2011-07-10 10:06 发表评论

java��d��xml文�g

吕鹏-Roc — Sun, 10 Jul 2011 02:03:00 GMT

package cn.zbvc.java;
import java.io.*;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/*
*java讉K��xml文�g
**/

public class xmljava
{

public static void main(String args[])
    {
          Element element=null;
          File f =new File("a.xml");
          DocumentBuilder db=null;        //documentBuilder为抽象不能直接实例化(��XML文�g转换为DOM文�g)
          DocumentBuilderFactory dbf=null;
      try{

          dbf= DocumentBuilderFactory.newInstance(); //�q�回documentBuilderFactory对象
          db =dbf.newDocumentBuilder();//�q�回db对象用documentBuilderFatory对象获得�q�回documentBuildr对象

          Document dt= db.parse(f); //得到一个DOM�q�返回给document对象
          element = dt.getDocumentElement();//得到一个elment根元�?/span>

          System.out.println("根元素："+element.getNodeName()); //获得根节�?/span>

        NodeList childNodes =element.getChildNodes() ;    // 获得根元素下的子节点

      for (int i = 0; i < childNodes.getLength(); i++)     // 遍历�q�些子节�?/span>

   {
       Node node1 = childNodes.item(i); // childNodes.item(i); 获得每个对应位置i的结�?/span>

     if ("Account".equals(node1.getNodeName()))
      {
                        // 如果节点的名�U�Cؓ"Account"�Q�则输出Account元素属性type
      System.out.println("\r\n扑ֈ�一��̎�? 所属区�? "   + node1.getAttributes().getNamedItem        ("type").getNodeValue() + ". ");
      NodeList nodeDetail = node1.getChildNodes();   // 获得下的节点
      for (int j = 0; j < nodeDetail.getLength(); j++)
       {   // 遍历下的节点
          Node detail = nodeDetail.item(j);    // 获得元素每一个节�?/span>
            if ("code".equals(detail.getNodeName()))   // 输出code
            System.out.println("卡号: " + detail.getTextContent());
             else if ("pass".equals(detail.getNodeName())) // 输出pass
                System.out.println("密码: " + detail.getTextContent());
             else if ("name".equals(detail.getNodeName())) // 输出name
                System.out.println("姓名: " + detail.getTextContent());
             else if ("money".equals(detail.getNodeName())) // 输出money
                 System.out.println("余额: "+ detail.getTextContent());

        }
      }

    }
}

catch(Exception e){System.out.println(e);}

}
}

/**
*XML文�g



100001
123
李四
1000000.00

100002
123
张三
1000.00

*/

吕鹏-Roc 2011-07-10 10:03 发表评论