cardmoneypanel.java

来自「用JBUILDER和SQL2」· Java 代码 · 共 64 行

JAVA
64
字号
package bar;import java.awt.*;import javax.swing.*;import java.sql.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2004</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class CardMoneyPanel extends JPanel {  JLabel jLabel1 = new JLabel();  JLabel jLabel2 = new JLabel();  JLabel jLabel3 = new JLabel();  JLabel jLabel4 = new JLabel();  private mainFrame Frame1;  private Connection con;  private int  CardID;  public CardMoneyPanel(mainFrame mFrame1,int cardID) {    try {      Frame1 = mFrame1;      CardID = cardID;      jbInit();    }    catch(Exception ex) {      ex.printStackTrace();    }  }  void jbInit() throws Exception {    jLabel1.setFont(new java.awt.Font("Serif", 1, 16));    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);    jLabel1.setText("卡号:");    jLabel1.setBounds(new Rectangle(83, 75, 71, 40));    this.setLayout(null);    jLabel2.setFont(new java.awt.Font("Serif", 1, 16));    jLabel2.setText(Integer.toString(CardID));    jLabel2.setBounds(new Rectangle(166, 80, 136, 34));    jLabel3.setFont(new java.awt.Font("Serif", 1, 16));    jLabel3.setHorizontalAlignment(SwingConstants.CENTER);    jLabel3.setText("余额 :");    jLabel3.setBounds(new Rectangle(86, 153, 75, 35));    jLabel4.setBounds(new Rectangle(165, 152, 136, 34));    jLabel4.setText("");    jLabel4.setFont(new java.awt.Font("Serif", 1, 16));    this.add(jLabel1, null);    this.add(jLabel2, null);    this.add(jLabel3, null);    this.add(jLabel4, null);    con=barConnect.getconn();    Statement  stmt=con.createStatement();    ResultSet rs = stmt.executeQuery("select LeaveMoney from Card where CardID ="+CardID);    rs.next();    jLabel4.setText(rs.getString("LeaveMoney"));     con.close();  }}

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?