usersearch.java~8~

来自「教材管理系统」· JAVA~8~ 代码 · 共 247 行

package bookmanager;


import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.*;
import java.sql.*; //引入包java.sql.*;
import javax.swing.table.*; //引入包sqljavax.swing.table.*;
import java.util.*; //引入包sqljava.util*;
import java.awt.event.*;
import com.borland.dbswing.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

import com.borland.jbcl.layout.*;
import java.awt.*;
import java.sql.*;
import javax.swing.*;
import javax.swing.table.*;
import java.util.*;
import java.awt.event.*;


public class usersearch extends JFrame {

  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JTextField jTContent = new JTextField();
  JButton jBOK = new JButton();
  JButton jBCancel = new JButton();

  String searchType =new String();     //标记查询类别
  String searchValue=new String();     //标记查询值

  String infoShowType=new String();      //标记要显示窗体的类型，综合、修改还是删除

  private DBManager db = new DBManager();
  ResultSet rs ;
  String sql=new String();

  JRadioButton jRByName = new JRadioButton();
  JRadioButton jRByP = new JRadioButton();
  JRadioButton jRByD = new JRadioButton();
  ButtonGroup group=new ButtonGroup();

  public usersearch () {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  private void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    xYLayout1.setWidth(366);
    xYLayout1.setHeight(208);
    this.getContentPane().setLayout(xYLayout1);
    jBOK.setFont(new java.awt.Font("Dialog", 0, 16));
    jBOK.setText("确  定");
    jBOK.addActionListener(new search_jBOK_actionAdapter(this));
    jBCancel.setFont(new java.awt.Font("Dialog", 0, 16));
    jBCancel.setText("取  消");
    jBCancel.addActionListener(new search_jBCancel_actionAdapter(this));
    jTContent.setFont(new java.awt.Font("Dialog", 0, 16));
    jTContent.setText("");
    this.setTitle("用户信息查询");
    jRByName.setFont(new java.awt.Font("Dialog", 0, 16));
    jRByName.setText("按姓名");
    jRByName.addActionListener(new search_jRByName_actionAdapter(this));
    jRByP.setFont(new java.awt.Font("Dialog", 0, 16));
    jRByP.setText("按专业");
    jRByP.addActionListener(new search_jRByP_actionAdapter(this));
    jRByD.setFont(new java.awt.Font("Dialog", 0, 16));
    jRByD.setText("按院系");
    jRByD.addActionListener(new search_jRByD_actionAdapter(this));
    group.add(jRByName);
    group.add(jRByP);
    group.add(jRByD);
    this.getContentPane().add(jLabel1,     new XYConstraints(26, 23, 184, 30));
    this.getContentPane().add(jBOK,   new XYConstraints(243, 39, 80, 29));
    this.getContentPane().add(jBCancel,    new XYConstraints(245, 85, -1, 28));
    this.getContentPane().add(jTContent,    new XYConstraints(42, 82, 152, 32));
    this.getContentPane().add(jRByName, new XYConstraints(28, 152, 85, 17));
    this.getContentPane().add(jRByP, new XYConstraints(133, 152, -1, 16));
    this.getContentPane().add(jRByD, new XYConstraints(236, 150, 77, 16));
  }

  //设置标签内容
  void setLabelText(String content){
    jLabel1.setText(content);
  }

  //设置查询类型
  void setType(String i){
    searchType=i;
  }

  //设置要显示的人员信息窗体
  void setShowType(String type){
    infoShowType=type;
  }

  //退出
  void jBCancel_actionPerformed(ActionEvent e) {
    this.dispose();
  }


  void listShow(){
    usershow userList=new usershow();
    Dimension dlgSize = userList.getPreferredSize();
    Dimension frmSize = getSize();
    Point loc = getLocation();
    userList.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
    userList.pack();
    userList.show() ;
    userList.resultShow(rs);
  }





  //执行查询操作
  void jBOK_actionPerformed(ActionEvent e) {
     if(jTContent.getText().equals("")){
       JOptionPane.showMessageDialog(null, "查询值不能为空!");
     }
     else{
       sql = "select * from users ";

       //根据选项判断查询的类型
       if (searchType == "username") {
         sql = sql + "  where  username='" + jTContent.getText().toString() + "'";
       }
       else if (searchType == "professional") {
         sql = sql + "  where professional=" + Integer.parseInt(jTContent.getText());
       }
       else if (searchType == "department") {
         sql = sql + "where department='" + jTContent.getText().toString() + "'";
       }

       rs = db.getResult(sql);
       try {
         if (rs.first()) { //判断记录是否存在


             listShow();
             this.dispose();
           }

         else {
           JOptionPane.showMessageDialog(null, "此人不存在!");
         }
       }
       catch (SQLException ex) {
         JOptionPane.showMessageDialog(null, " search failed!");
       }
     }

  }

  //响应单选按钮选中时的事件
  void jRByName_actionPerformed(ActionEvent e) {
       jLabel1.setText("请输入要查询人员的姓名：");
       jTContent.setEnabled(true);
       setType("Name");
  }

  void jRByP_actionPerformed(ActionEvent e) {
    jLabel1.setText("请输入要查询人员所在专业：");
    jTContent.setEnabled(true);
    setType("professional");
  }

  void jRByD_actionPerformed(ActionEvent e) {
    jLabel1.setText("请输入要查询人员所在院系：");
    jTContent.setEnabled(true);
    setType("department");
  }

}

//*******************以下是监听类部分*******************
class search_jBCancel_actionAdapter implements java.awt.event.ActionListener {
 usersearch  adaptee;

  search_jBCancel_actionAdapter(usersearch  adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jBCancel_actionPerformed(e);
  }
}

class search_jBOK_actionAdapter implements java.awt.event.ActionListener {
  usersearch  adaptee;

  search_jBOK_actionAdapter(usersearch  adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jBOK_actionPerformed(e);
  }
}

class search_jRByName_actionAdapter implements java.awt.event.ActionListener {
  usersearch  adaptee;

  search_jRByName_actionAdapter(usersearch  adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jRByName_actionPerformed(e);
  }
}

class search_jRByP_actionAdapter implements java.awt.event.ActionListener {
  usersearch  adaptee;

  search_jRByP_actionAdapter(usersearch  adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jRByP_actionPerformed(e);
  }
}

class search_jRByD_actionAdapter implements java.awt.event.ActionListener {
  usersearch  adaptee;

  search_jRByD_actionAdapter(usersearch adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jRByD_actionPerformed(e);
  }
}