searchpanel.java~15~

来自「银行信用评估系统」· JAVA~15~ 代码 · 共 242 行

package management;

import java.awt.*;
import javax.swing.*;
import com.borland.dbswing.*;
import java.awt.event.*;
import java.sql.*;
import com.borland.dx.dataset.*;
import com.borland.jbcl.layout.*;
import com.borland.dx.sql.dataset.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class searchPanel extends JPanel {
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JComboBox jComboBox1 = new JComboBox();
  JComboBox jComboBox2 = new JComboBox();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  GridBagLayout gridBagLayout1 = new GridBagLayout();
  JLabel jLabel5 = new JLabel();

  PreparedStatement pstmt;
  Connection con;
  String query;
  ResultSet rs;
  String str;
  String str1;
  String str2;
  String str3;

  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  QueryResolver queryResolver1 = new QueryResolver();
  String a[]={"STUDENTNO","STUDENTNAME","STUDENTAGE","STUDENTSEX","STUENTRACE","STUDENTSPECIATION","COURSENAME"
  ,"COURSETYPE","COURSETEACHER","COURSETIME","COURSEADDRESS","COURSEWEEK","SCORE","SCORECREDIT","SCORESORT",
  "SCORETPYE","SCOREREMARK","SCORETIME"};
  String b[]={"学号","姓名","年龄","性别","民族","专业","课程名称","课程类型","任课老师","上课时间","上课地点","上课周次",
  "成绩","学分","类别","考别","备注","时间"};
  String c[]={"student","course","score"};
  String d[]={"学生个人信息表","学生课程表","学生成绩表"};


  public searchPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    this.setBackground(new Color(131, 223, 227));
    this.setForeground(new Color(83, 62, 159));
    this.setLayout(gridBagLayout1);
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel2.setForeground(Color.blue);
    jLabel2.setText("选择查询的表：");
    jLabel3.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel3.setForeground(Color.blue);
    jLabel3.setText("选择查询的项：");
    jLabel4.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel4.setForeground(Color.blue);
    jLabel4.setText("选择查询的内容：");
    jTextField1.setText("");
    jButton1.setText("确定");
    jButton1.addActionListener(new searchPanel_jButton1_actionAdapter(this));
    jButton2.setText("重置");
    jComboBox1.setSelectedItem(null);
    jComboBox1.addItemListener(new searchPanel_jComboBox1_itemAdapter(this));
    jLabel5.setFont(new java.awt.Font("Dialog", 1, 40));
    jLabel5.setForeground(Color.magenta);
    jLabel5.setText("  学 生 查 询 管 理");
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=student", "sa", "lomf8244", false, "com.borland.datastore.jdbc.DataStoreDriver"));
    database1.setTransactionIsolation(java.sql.Connection.TRANSACTION_READ_COMMITTED);
    queryDataSet1.setResolver(queryResolver1);
    queryResolver1.setDatabase(database1);
    queryResolver1.setUpdateMode(com.borland.dx.dataset.UpdateMode.KEY_COLUMNS);
    jdbTable1.setDataSet(queryDataSet1);
    this.add(jLabel3,    new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 15, 0, 9), 9, -1));
    this.add(jLabel2,    new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(6, 16, 0, 11), 6, -2));
    this.add(jLabel4,    new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(10, 12, 0, 0), 1, -9));
    this.add(jTextField1,    new GridBagConstraints(1, 3, 1, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(8, 0, 0, 0), 107, 0));
    this.add(jButton1,    new GridBagConstraints(2, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(7, 13, 0, 0), -1, 0));
    this.add(jButton2,    new GridBagConstraints(3, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(7, 17, 0, 14), -1, 0));
    this.add(jComboBox1,    new GridBagConstraints(1, 1, 2, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(7, 0, 0, 0), 157, 0));
    this.add(jComboBox2,    new GridBagConstraints(1, 2, 2, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(9, 0, 0, 0), 157, 0));
    this.add(tableScrollPane1,    new GridBagConstraints(0, 4, 4, 1, 1.0, 1.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(24, 1, 6, 0), -27, -293));
    this.add(jLabel5,              new GridBagConstraints(0, 0, 4, 1, 0.0, 0.0
            ,GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 38, 19, 0), 161, -10));
    tableScrollPane1.getViewport().add(jdbTable1, null);
    jComboBox1.addItem("学生个人信息表");
    jComboBox1.addItem("学生课程表");
    jComboBox1.addItem("学生成绩表");

    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
    String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=student";
    String username= "sa";
    String password= "lomf8244";
    con = DriverManager.getConnection(url,username,password);
    //query="select * from ? where ?=?";
    query="select * from student where STUDENTNO=?";
    pstmt = con.prepareStatement(query);

  }

  void jComboBox1_itemStateChanged(ItemEvent e) {
    if(jComboBox1.getSelectedIndex()==0)
    {   jComboBox2.removeAllItems();
        jComboBox2.addItem("学号");
        jComboBox2.addItem("姓名");
        jComboBox2.addItem("年龄");
        jComboBox2.addItem("性别");
        jComboBox2.addItem("民族");
        jComboBox2.addItem("专业");
    }
    else if(jComboBox1.getSelectedIndex()==1)
   {   jComboBox2.removeAllItems();
       jComboBox2.addItem("学号");
       jComboBox2.addItem("课程名称");
       jComboBox2.addItem("课程类型");
       jComboBox2.addItem("任课老师");
       jComboBox2.addItem("上课时间");
       jComboBox2.addItem("上课地点");
       jComboBox2.addItem("上课周次");
    }
    else if(jComboBox1.getSelectedIndex()==2)
   {   jComboBox2.removeAllItems();
       jComboBox2.addItem("学号");
       jComboBox2.addItem("课程名称");
       jComboBox2.addItem("成绩");
       jComboBox2.addItem("学分");
       jComboBox2.addItem("类别");
       jComboBox2.addItem("考别");
       jComboBox2.addItem("备注");
       jComboBox2.addItem("时间");
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
   try{
        /*  str1=(String)jComboBox1.getSelectedItem();
         for(int i=0;i<d.length;i++)
           if(str1.equals(d[i]))
             str1=c[i];
          pstmt.setString(1,str1);

          str2=(String)jComboBox2.getSelectedItem();
            for(int i=0;i<b.length;i++)
             if(str2.equals(b[i]))
               str2=a[i];

          pstmt.setString(2,str2);

          str3=jTextField1.getText();
          pstmt.setString(3,str3);
         */
          str3=jTextField1.getText();
          pstmt.setString(1,str3);

          rs=pstmt.executeQuery();
        /* if(rs.next()){
            // queryDataSet1.close();

             str=rs.getString(str2);

             queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from str1 where str2="+str, null, true, Load.ALL));
            // queryDataSet1.refresh();
             jdbTable1.setDataSet(queryDataSet1);
             //jdbTable1.repaint();
          }*/
        if(rs.next()){
            // queryDataSet1.close();

             str=rs.getString("STUDENTNO");

             queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from student where STUDENTNO="+str, null, true, Load.ALL));
             queryDataSet1.refresh();
             jdbTable1.setDataSet(queryDataSet1);
             jdbTable1.repaint();
          }

         else{
         jTextField1.setText("没有结果");
         queryDataSet1.close();
         queryDataSet1.refresh();
         jdbTable1.setDataSet(null);
          jdbTable1.repaint();
         }

    }
  catch(SQLException ex) {
   System.out.print("系统错误，请重新运行。");
     }

}


}

class searchPanel_jComboBox1_itemAdapter implements java.awt.event.ItemListener {
  searchPanel adaptee;

  searchPanel_jComboBox1_itemAdapter(searchPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jComboBox1_itemStateChanged(e);
  }
}

class searchPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  searchPanel adaptee;

  searchPanel_jButton1_actionAdapter(searchPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}