deldata.java

本人的毕业设计

/*
 * DelData.java
 *
 * Created on 2007年5月24日, 上午1:04
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package XRSystem.GUI;

/**
 *
 * @author 王刚
 */
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.table.*;
import com.sun.rowset.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.sql.*;
import java.util.*;
import javax.swing.*;
import javax.swing.table.*;
import javax.sql.rowset.*;

import XRSystem.DataAccess.*;
import XRSystem.Process.*;
public class DelData extends javax.swing.JFrame {
    
    /** Creates new form DelData */
    public DelData() {
        initComponents();
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 设计删除数据的窗体 ">
    private void initComponents() {
        jPanel1 = new javax.swing.JPanel();
        jComboBox1 = new javax.swing.JComboBox();
        jLabel1 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        ArrayList<String> DocList = new ArrayList<String>();
        new XRSystem.Util.PlafView().ChangeView();
        boolean flag = true;
        
        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("\u5220\u9664\u6570\u636e");
        setLocationByPlatform(true);
        setResizable(false);
        jComboBox1.setFont(new java.awt.Font("宋体", 1, 14));
        DocList = this.GetDocList();
        for(int m=0;m<DocList.size();m++)
            jComboBox1.addItem(DocList.get(m).toString());
        
        jLabel1.setFont(new java.awt.Font("宋体", 1, 14));
        jLabel1.setText("\u9009\u62e9\u6587\u6863");
        
        jButton1.setFont(new java.awt.Font("宋体", 1, 14));
        jButton1.setText("\u5168\u90e8\u5220\u9664");
        if(DocList.size()==0)
            jButton1.setEnabled(false);
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });
        
        jButton2.setFont(new java.awt.Font("宋体", 1, 14));
        jButton2.setText("\u5220\u9664\u6570\u636e");
        if(DocList.size()==0)
            jButton2.setEnabled(false);
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                //jButton2ActionPerformed(evt);
                ArrayList<String> NowList = new ArrayList<String>();
                String NowDoc = (String)jComboBox1.getSelectedItem();
                String DelDoc = "DELETE FROM Document WHERE DocumentName = "+"'"+NowDoc+"'";
                String DropView = "DROP VIEW "+"["+NowDoc+"]";
                try {
                    new SQLResultSet().ExecuteInsert(DelDoc);
                } catch(Exception e){e.printStackTrace();}
                try {
                    new SQLResultSet().ExecuteInsert(DropView);
                } catch(Exception e){e.printStackTrace();}
                NowList = GetDocList();
                for(int m=0;m<NowList.size();m++)
                    jComboBox1.addItem(NowList.get(m).toString());
            }
        });
        
        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(65, 65, 65)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 93, Short.MAX_VALUE)
                .addGap(1, 1, 1))
                .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 94, Short.MAX_VALUE))
                .addGap(27, 27, 27)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                .addComponent(jComboBox1, 0, 132, Short.MAX_VALUE)
                .addComponent(jButton2))
                .addGap(82, 82, 82))
                );
        jPanel1Layout.setVerticalGroup(
                jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(56, 56, 56)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(jComboBox1, javax.swing.GroupLayout.DEFAULT_SIZE, 29, Short.MAX_VALUE)
                .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(1, 1, 1)
                .addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, 28, Short.MAX_VALUE)))
                .addGap(28, 28, 28)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                .addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 31, Short.MAX_VALUE)
                .addComponent(jButton2, javax.swing.GroupLayout.DEFAULT_SIZE, 31, Short.MAX_VALUE))
                .addGap(39, 39, 39))
                );
        
        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                );
        layout.setVerticalGroup(
                layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                );
        pack();
    }// </editor-fold>
    
    private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO 将在此处添加您的处理代码：
    }
    
    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO 将在此处添加您的处理代码：
        ArrayList<String> NowList = new ArrayList<String>();
        NowList = this.GetDocList();
        String DelDoc = "DELETE FROM Document";
        String DropView = "DROP VIEW ";
        try {
            new SQLResultSet().ExecuteInsert(DelDoc);
        } catch(Exception e){e.printStackTrace();}
        for(int j=0;j<NowList.size();j++) {
            DropView+="["+NowList.get(j)+"]";
            try {
                new SQLResultSet().ExecuteInsert(DropView);
            } catch(Exception e){e.printStackTrace();}
            DropView=DropView.substring(0,10);
        }
        //String DropView
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new DelData().setVisible(true);
            }
        });
    }
    
    private ArrayList<String> GetDocList() {
        String SQLString = "SELECT DocumentName FROM Document";
        ArrayList<String> DocList = new ArrayList<String>();
        ResultSet rs = null;
        //rs = new SQLResultSet().ExecuteSQL(SQLString);
        try{
            rs = new SQLResultSet().ExecuteSQL(SQLString);
            while(rs.next()){
                DocList.add(rs.getString(1));
            }
        } catch(SQLException e){e.printStackTrace();} catch(Exception e){e.printStackTrace();}
        return DocList;
    }
    
    // 变量声明 - 不进行修改
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JComboBox jComboBox1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JPanel jPanel1;
    // 变量声明结束
    
}