s1(java)项目实战（固定资产管理）（set

package set;

import java.awt.*;import java.awt.event.*;import java.util.*;import tools.*;import javax.swing.*;import java.awt.Rectangle;

public class fatherkindadd extends JDialog {    private JLabel jLabel1 = new JLabel();    private JTextField txt_kindsID;    private JTextField txt_kindsname = new JTextField();    private JLabel jLabel2 = new JLabel();    private JButton btnOK = new JButton();    private JButton btn_cancle = new JButton();    private DBConnection dcon = null;

    public fatherkindadd(Frame owner, String title, boolean modal) {        super(owner, title, modal);        try {            setDefaultCloseOperation(DISPOSE_ON_CLOSE);            jbInit();            pack();        } catch (Exception exception) {            exception.printStackTrace();        }    }

    public fatherkindadd() {        this(new Frame(), "Dialog1", false);    }

    private void jbInit() throws Exception {        txt_kindsID = new JTextField(getFatherKindsID());        this.getContentPane().setLayout(null);        jLabel1.setFont(new java.awt.Font("Dialog", Font.BOLD, 13));        jLabel1.setText("科 目 ID");        jLabel1.setBounds(new Rectangle(29, 41, 61, 28));        txt_kindsname.setBounds(new Rectangle(84, 91, 71, 26));        jLabel2.setFont(new java.awt.Font("Dialog", Font.BOLD, 13));        jLabel2.setText("科目名称");        jLabel2.setBounds(new Rectangle(26, 88, 61, 28));        btnOK.setBounds(new Rectangle(19, 147, 62, 29));        btnOK.setText("确定");        this.getContentPane().add(jLabel2);        btn_cancle.setBounds(new Rectangle(105, 147, 67, 30));        btn_cancle.setText("取消");        this.getContentPane().add(jLabel1);        this.getContentPane().add(txt_kindsID);        this.getContentPane().add(txt_kindsname);        this.getContentPane().add(btnOK);        this.getContentPane().add(btn_cancle);        txt_kindsID.setEditable(false);        txt_kindsID.setBounds(new Rectangle(84, 47, 71, 26));        btn_cancle.addActionListener(new ActionListener() {            public void actionPerformed(ActionEvent e) {                closedialog();            }        });        btnOK.addActionListener(new ActionListener() {            public void actionPerformed(ActionEvent e) {                addfatherkind();            }        });    }

    //add    private void addfatherkind() {        if (txt_kindsname.getText().trim().length() == 0) {            JOptionPane.showMessageDialog(this, "名称不能为空");        } else {            dcon = new DBConnection();            String sql = "select * from FatherKind where fatherkind_name='" +                         txt_kindsname.getText().trim() + "'";            if (dcon.isNull(sql)) {                JOptionPane.showMessageDialog(this, "该名称已经存在");                txt_kindsname.setText("");            } else {                sql =                        "insert into FatherKind(fatherkind_id,fatherkind_name) values ('" +                        txt_kindsID.getText().trim() + "','" +                        txt_kindsname.getText().trim() + "')";                JOptionPane.showMessageDialog(this, dcon.update(3, sql));                this.dispose();            }        }    }

//close    public void closedialog() {        this.dispose();    }

    //获取ID    private String getFatherKindsID() {        dcon = new DBConnection();        Vector v = dcon.select(                "select fatherkind_id from FatherKind order by fatherkind_id asc");        if (v.size() == 0) {            return "101";        }        int autoID = 101;        for (int i = 0; i < v.size(); i++) {            String s = ((Vector) v.get(i)).get(0).toString();            int getID = Integer.parseInt(s);            if (autoID != getID) {                return String.valueOf(autoID);            }            autoID++;        }        return String.valueOf(v.size() + 1 + 100);    }}