searchpanel2.java~87~

银行信用评估系统

package management;

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

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

public class searchPanel2 extends JPanel {
  JLabel jLabel1 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JComboBox jComboBox2 = new JComboBox();
  Database database1 = new Database();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  JdbTable jdbTable1 = new JdbTable();

  PreparedStatement pstmt;
  Connection con;
  String query;
  ResultSet rs;
  String str;
  String str1;
  String str2;
   String str3;
   String str4;
    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"};


  JTextField jTextField2 = new JTextField();

  GridBagLayout gridBagLayout1 = new GridBagLayout();
  JLabel jLabel5 = new JLabel();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  QueryResolver queryResolver1 = new QueryResolver();
  String ip;

  public searchPanel2() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel1.setText("选择查询的表：");
    this.setLayout(gridBagLayout1);
    jTextField1.setText("");
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel2.setText("选择查询的项：");
    jLabel3.setFont(new java.awt.Font("Dialog", 1, 19));
    jLabel3.setText("输入查询的内容：");
    jComboBox1.addItemListener(new searchPanel2_jComboBox1_itemAdapter(this));
    jComboBox2.addItemListener(new searchPanel2_jComboBox2_itemAdapter(this));
    tableScrollPane1.getViewport().setBackground(SystemColor.info);
    tableScrollPane1.setForeground(UIManager.getColor("List.background"));
    jButton1.setText("确定");
    jButton1.addActionListener(new searchPanel2_jButton1_actionAdapter(this));
    jButton2.setVerifyInputWhenFocusTarget(true);
    jButton2.setText("清除");
    jButton2.addActionListener(new searchPanel2_jButton2_actionAdapter(this));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=student", "sa", "lomf8244", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
    database1.setTransactionIsolation(java.sql.Connection.TRANSACTION_READ_COMMITTED);
    database1.setUseTransactions(false);
    jdbTable1.setBackground(Color.cyan);
    jdbTable1.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
    jdbTable1.setSelectionBackground(UIManager.getColor("MenuItem.selectionForeground"));
    jdbTable1.setSelectionForeground(Color.red);
    jdbTable1.setDataSet(queryDataSet1);
    jdbTable1.setEditableFocusedCellForeground(SystemColor.activeCaption);
    jTextField2.setBounds(new Rectangle(197, 12, 77, 22));
    this.setBackground(UIManager.getColor("ToolTip.background"));
    this.setForeground(SystemColor.activeCaption);
    this.setDebugGraphicsOptions(0);

    jLabel5.setFont(new java.awt.Font("Dialog", 1, 40));
    jLabel5.setForeground(Color.magenta);
    jLabel5.setText("     学 生 查 询 管 理");

    queryDataSet1.setResolver(queryResolver1);
    queryResolver1.setDatabase(database1);
    queryResolver1.setUpdateMode(com.borland.dx.dataset.UpdateMode.KEY_COLUMNS);
    this.add(jTextField1,     new GridBagConstraints(1, 3, 2, 1, 1.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(18, 6, 0, 30), 228, 0));
    this.add(jLabel3,     new GridBagConstraints(0, 3, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(18, 11, 0, 9), 8, -5));
    this.add(jLabel2,     new GridBagConstraints(0, 2, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(18, 9, 0, 30), 9, -11));
    this.add(jLabel1,     new GridBagConstraints(0, 1, 1, 1, 0.0, 0.0
            ,GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 11, 0, 34), 3, -1));
    this.add(jComboBox2,     new GridBagConstraints(1, 2, 2, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(13, 6, 0, 28), 209, 0));
    this.add(tableScrollPane1,     new GridBagConstraints(0, 5, 3, 1, 1.0, 1.0
            ,GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(10, 0, 0, 0), -15, -209));
    tableScrollPane1.getViewport().add(jdbTable1, null);
    this.add(jButton2,     new GridBagConstraints(1, 4, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(20, 62, 0, 0), 16, 0));
    this.add(jButton1,     new GridBagConstraints(0, 4, 1, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(20, 115, 0, 0), 16, 0));
    this.add(jComboBox1,     new GridBagConstraints(1, 1, 2, 1, 1.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.HORIZONTAL, new Insets(0, 6, 0, 29), 208, 0));
    this.add(jLabel5,     new GridBagConstraints(0, 0, 3, 1, 0.0, 0.0
            ,GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 272, 0));
    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);
    str2="STUDENTNO"; //初始化
  }

  void jButton1_actionPerformed(ActionEvent e) {
    try{
      query="select * from "+str1+" where "+str2+"=?";
      pstmt = con.prepareStatement(query);
      str3=jTextField1.getText();
      pstmt.setString(1,str3);
      rs=pstmt.executeQuery();
      if(rs.next()){
       queryDataSet1.close();
       str=rs.getString(str2);
       if(str1.equals("student"))
       {
       str4= "select STUDENTNO as"+ "\'"+"学号" +"\'"+",STUDENTNAME as"+ "\'"+"姓名" +"\'"+",STUDENTAGE as"+ "\'"+"年龄" +"\'"+",STUDENTSEX as"+ "\'"+"性别" +"\'"+",STUENTRACE as"+ "\'"+"民族" +"\'"+",STUDENTSPECIATION as"+ "\'"+"专业" +"\'"+"from "+str1+" where "+str2+"="+"\'"+str+"\'";
       }
       else if(str1.equals("course"))
       {
        str4= "select STUDENTNO as"+ "\'"+"学号" +"\'"+",COURSENAME as"+ "\'"+"课程名称" +"\'"+",COURSETYPE as"+ "\'"+"课程类型" +"\'"+",COURSETEACHER as"+ "\'"+"任课老师" +"\'"+",COURSETIME as"+ "\'"+"上课时间" +"\'"+",COURSEADDRESS as"+ "\'"+"上课地点" +"\'"+",COURSEWEEK as"+ "\'"+"上课周次" +"\'"+"from "+str1+" where "+str2+"="+"\'"+str+"\'";
       }
       else{
       str4= "select STUDENTNO as"+ "\'"+"学号" +"\'"+",COURSENAME as"+ "\'"+"课程名称" +"\'"+",SCORE as"+ "\'"+"成绩" +"\'"+",SCORECREDIT as"+ "\'"+"学分" +"\'"+",SCORESORT as"+ "\'"+"类别" +"\'"+",SCORETPYE as"+ "\'"+"考别" +"\'"+",SCOREREMARK as"+ "\'"+"备注" +"\'"+",SCORETIME as"+ "\'"+"时间" +"\'"+"from "+str1+" where "+str2+"="+"\'"+str+"\'";
       }
       queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, str4, null, true, Load.ALL));
       queryDataSet1.refresh();
       jdbTable1.setDataSet(queryDataSet1);
       jdbTable1.repaint();
      }
      else{

        jTextField1.setText("学号不存在!");
        queryDataSet1.close();
        queryDataSet1.refresh();
        jdbTable1.setDataSet(null);
        jdbTable1.repaint();

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

  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");
   }
    str1=(String)jComboBox1.getSelectedItem();
    for(int i=0;i<d.length;i++)
          if(str1.equals(d[i]))
            str1=c[i];
  }

  void jComboBox2_itemStateChanged(ItemEvent e) {
    for(int i=0;i<8;i++)
      if(jComboBox2.getSelectedIndex()==i)
        str2=(String)jComboBox2.getSelectedItem();
     for(int i=0;i<b.length;i++)
                if(str2.equals(b[i]))
                  str2=a[i];
  }

  void jButton2_actionPerformed(ActionEvent e) {
    jTextField1.setText("");
      queryDataSet1.close();
      queryDataSet1.refresh();
     jdbTable1.setDataSet(null);
      jdbTable1.repaint();

  }

}

class searchPanel2_jButton1_actionAdapter implements java.awt.event.ActionListener {
  searchPanel2 adaptee;

  searchPanel2_jButton1_actionAdapter(searchPanel2 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}

class searchPanel2_jComboBox1_itemAdapter implements java.awt.event.ItemListener {
  searchPanel2 adaptee;

  searchPanel2_jComboBox1_itemAdapter(searchPanel2 adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jComboBox1_itemStateChanged(e);
  }
}

class searchPanel2_jComboBox2_itemAdapter implements java.awt.event.ItemListener {
  searchPanel2 adaptee;

  searchPanel2_jComboBox2_itemAdapter(searchPanel2 adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jComboBox2_itemStateChanged(e);
  }
}

class searchPanel2_jButton2_actionAdapter implements java.awt.event.ActionListener {
  searchPanel2 adaptee;

  searchPanel2_jButton2_actionAdapter(searchPanel2 adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton2_actionPerformed(e);
  }
}