Java设计模块系列之书店管理系统单机版(三)

介绍

今天对系列二的一个添加用户的输入小bug进行了解决， 增加了用户模块的，删除用户，和修改用户模块。

下面的代码是相对于系列二来说进行了修改或者是增加的类.

先看AddPanel类的修改：
在收集参数的时候进行防范就可防止那个bug了。

cn.hncu.bookStore.user.ui;

AddPanel类：（添加用户模块）

/*
 * AddPanel.java
 *
 * Created on __DATE__,__TIME__
 */

package cn.hncu.bookStore.user.ui;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.common.UserTypeEnum;
import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;
import cn.hncu.bookStore.util.FileIoUtil;

/**
 *
 * @author 陈浩翔
 */
public class AddPanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;

 /** Creates new form AddPanel */
 public AddPanel(JFrame mainFrame) {
  this.mainFrame = mainFrame;
  initComponents();
  myInitData();
 }

 private void myInitData() {
  for (UserTypeEnum type : UserTypeEnum.values()) {
   combType.addItem(type.getName());
  }
 }

 /** 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.
  */
 //GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jLabel1 = new javax.swing.JLabel();
  jLabel2 = new javax.swing.JLabel();
  tfdName = new javax.swing.JTextField();
  jLabel3 = new javax.swing.JLabel();
  tfdUuid = new javax.swing.JTextField();
  jLabel4 = new javax.swing.JLabel();
  tfdPwd2 = new javax.swing.JPasswordField();
  jLabel5 = new javax.swing.JLabel();
  jLabel6 = new javax.swing.JLabel();
  combType = new javax.swing.JComboBox();
  tfdPwd = new javax.swing.JPasswordField();
  btnAdd = new javax.swing.JButton();
  btnBack = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800,600));
  setLayout(null);

  jLabel1.setFont(new java.awt.Font("微软雅黑",1,48));
  jLabel1.setForeground(new java.awt.Color(204,0));
  jLabel1.setText("\u6dfb\u52a0\u7528\u6237");
  add(jLabel1);
  jLabel1.setBounds(330,30,230,80);

  jLabel2.setFont(new java.awt.Font("微软雅黑",18));
  jLabel2.setText("\u7528\u6237\u7c7b\u578b:");
  add(jLabel2);
  jLabel2.setBounds(90,310,90,30);

  tfdName.setFont(new java.awt.Font("Dialog",18));
  tfdName.setAutoscrolls(false);
  add(tfdName);
  tfdName.setBounds(470,160,120,30);

  jLabel3.setFont(new java.awt.Font("微软雅黑",18));
  jLabel3.setText("uuid:");
  add(jLabel3);
  jLabel3.setBounds(120,50,30);

  tfdUuid.setFont(new java.awt.Font("Dialog",12));
  add(tfdUuid);
  tfdUuid.setBounds(190,110,30);

  jLabel4.setFont(new java.awt.Font("微软雅黑",18));
  jLabel4.setText("\u59d3\u540d:");
  add(jLabel4);
  jLabel4.setBounds(410,30);

  tfdPwd2.setFont(new java.awt.Font("宋体",18));
  add(tfdPwd2);
  tfdPwd2.setBounds(470,240,170,30);

  jLabel5.setFont(new java.awt.Font("微软雅黑",18));
  jLabel5.setText("\u5bc6\u7801:");
  add(jLabel5);
  jLabel5.setBounds(120,30);

  jLabel6.setFont(new java.awt.Font("微软雅黑",18));
  jLabel6.setText("\u786e\u8ba4\u5bc6\u7801:");
  add(jLabel6);
  jLabel6.setBounds(380,30);

  combType.setFont(new java.awt.Font("Dialog",18));
  combType.setForeground(new java.awt.Color(51,51,255));
  combType.setModel(new javax.swing.DefaultComboBoxModel(
    new String[] { "请选择..." }));
  add(combType);
  combType.setBounds(190,30);

  tfdPwd.setFont(new java.awt.Font("宋体",18));
  add(tfdPwd);
  tfdPwd.setBounds(190,30);

  btnAdd.setFont(new java.awt.Font("Dialog",24));
  btnAdd.setForeground(new java.awt.Color(0,204,204));
  btnAdd.setText("\u6dfb\u52a0");
  btnAdd.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnAddActionPerformed(evt);
   }
  });
  add(btnAdd);
  btnAdd.setBounds(190,430,60);

  btnBack.setFont(new java.awt.Font("Dialog",24));
  btnBack.setForeground(new java.awt.Color(0,204));
  btnBack.setText("\u8fd4\u56de");
  btnBack.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnBackActionPerformed(evt);
   }
  });
  add(btnBack);
  btnBack.setBounds(520,60);
 }// </editor-fold>
 //GEN-END:initComponents

 private void back() {
  mainFrame.setContentPane(new ListPanel(mainFrame));
  mainFrame.validate();
 }

 /**
  *监听返回按钮
  * @param 返回按钮的点击监听
  */
 private void btnBackActionPerformed(java.awt.event.ActionEvent evt) {
  back();
 }

 private void btnAddActionPerformed(java.awt.event.ActionEvent evt) {
  //1收集参数
  String uuid = tfdUuid.getText();
  String name = tfdName.getText();
  String pwd = new String(tfdPwd.getPassword());
  String pwd2 = new String(tfdPwd2.getPassword());
  //System.out.println(uuid);

  //System.out.println(uuid+","+name+","+pwd);
  if (uuid.equals("") || uuid.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame,"用户ID为空，请重新输入！");
   return;
  }

  if (name.equals("") || name.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame,"用户名为空，请重新输入！");
   return;
  }

  if (!pwd.equals(pwd2) || pwd.equals("") || pwd.equals(null)
    || pwd2.equals("") || pwd2.equals(null)) {
   JOptionPane.showMessageDialog(mainFrame,"两次密码输入不一致或密码为空，请重新输入！");
   return;
  }
  int type = 0;

  try {
   type = UserTypeEnum.getTypeByName(combType.getSelectedItem()
     .toString());
  } catch (Exception e) {
   JOptionPane.showMessageDialog(mainFrame,"请指定用户类型!");
   return;
  }

  //2组织参数
  UserModel user = new UserModel();
  user.setName(name);
  user.setPwd(pwd);
  user.setType(type);
  user.setUuid(uuid);

  //3调用逻辑层
  UserEbi ebi = UserEbiFactory.getUserEbi();

  //4根据调用返回结果导向不同页面
  if (ebi.create(user)) {
   back();
  } else {
   JOptionPane.showMessageDialog(null,"该用户已经存在!");
  }
 }

 //GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnAdd;
 private javax.swing.JButton btnBack;
 private javax.swing.JComboBox combType;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JLabel jLabel2;
 private javax.swing.JLabel jLabel3;
 private javax.swing.JLabel jLabel4;
 private javax.swing.JLabel jLabel5;
 private javax.swing.JLabel jLabel6;
 private javax.swing.JTextField tfdName;
 private javax.swing.JPasswordField tfdPwd;
 private javax.swing.JPasswordField tfdPwd2;
 private javax.swing.JTextField tfdUuid;
 // End of variables declaration//GEN-END:variables

}

cn.hncu.bookStore.user.ui;

DeletePanel类：（删除用户模块）

/*
 * DeletePanel.java
 *
 * Created on __DATE__,__TIME__
 */

package cn.hncu.bookStore.user.ui;

import javax.swing.JFrame;
import javax.swing.JOptionPane;

import cn.hncu.bookStore.common.UserTypeEnum;
import cn.hncu.bookStore.user.business.ebi.UserEbi;
import cn.hncu.bookStore.user.business.factory.UserEbiFactory;
import cn.hncu.bookStore.user.vo.UserModel;
import cn.hncu.bookStore.util.FileIoUtil;

/**
 * 
 * @author 陈浩翔
 *
 * @version 1.0
 */
public class DeletePanel extends javax.swing.JPanel {
 private JFrame mainFrame = null;
 private String uuid = null;

 /** Creates new form DeletePanel 
  * @param uuid */
 public DeletePanel(JFrame mainFrame,String uuid) {
  this.mainFrame = mainFrame;
  this.uuid = uuid;
  initComponents();
  myInitData();
 }

 private void myInitData() {
  UserEbi user = UserEbiFactory.getUserEbi();
  UserModel userModel = user.getSingle(uuid);
  tfdName.setText(userModel.getName());
  tfdUuid.setText(userModel.getUuid());
  tfdPwd.setText(userModel.getPwd());
  tfdType.setText(UserTypeEnum.getNameByType(userModel.getType()));

  tfdName.setEditable(false);
  tfdPwd.setEditable(false);
  tfdType.setEditable(false);
  tfdUuid.setEditable(false);

 }

 //GEN-BEGIN:initComponents
 // <editor-fold defaultstate="collapsed" desc="Generated Code">
 private void initComponents() {

  jLabel1 = new javax.swing.JLabel();
  jLabel2 = new javax.swing.JLabel();
  tfdName = new javax.swing.JTextField();
  jLabel3 = new javax.swing.JLabel();
  tfdUuid = new javax.swing.JTextField();
  jLabel4 = new javax.swing.JLabel();
  jLabel5 = new javax.swing.JLabel();
  tfdPwd = new javax.swing.JTextField();
  tfdType = new javax.swing.JTextField();
  btnBack = new javax.swing.JButton();
  btnDelete = new javax.swing.JButton();

  setMinimumSize(new java.awt.Dimension(800,0));
  jLabel1.setText("\u5220\u9664\u7528\u6237");
  add(jLabel1);
  jLabel1.setBounds(330,18));
  jLabel2.setText("\u7528\u6237\u7c7b\u578b:");
  add(jLabel2);
  jLabel2.setBounds(100,18));
  tfdName.setAutoscrolls(false);
  add(tfdName);
  tfdName.setBounds(480,18));
  jLabel3.setText("uuid:");
  add(jLabel3);
  jLabel3.setBounds(130,11));
  add(tfdUuid);
  tfdUuid.setBounds(200,18));
  jLabel4.setText("\u59d3\u540d:");
  add(jLabel4);
  jLabel4.setBounds(420,18));
  jLabel5.setText("\u5bc6\u7801:");
  add(jLabel5);
  jLabel5.setBounds(130,30);

  tfdPwd.setFont(new java.awt.Font("Tahoma",12));
  add(tfdPwd);
  tfdPwd.setBounds(200,30);

  tfdType.setFont(new java.awt.Font("Dialog",12));
  add(tfdType);
  tfdType.setBounds(200,30);

  btnBack.setFont(new java.awt.Font("Dialog",204));
  btnBack.setText("\u8fd4\u56de");
  btnBack.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnBackActionPerformed(evt);
   }
  });
  add(btnBack);
  btnBack.setBounds(540,450,60);

  btnDelete.setFont(new java.awt.Font("Dialog",24));
  btnDelete.setForeground(new java.awt.Color(0,204));
  btnDelete.setText("\u5220\u9664");
  btnDelete.addActionListener(new java.awt.event.ActionListener() {
   public void actionPerformed(java.awt.event.ActionEvent evt) {
    btnDeleteActionPerformed(evt);
   }
  });
  add(btnDelete);
  btnDelete.setBounds(210,60);
 }// </editor-fold>
 //GEN-END:initComponents

 private void btnDeleteActionPerformed(java.awt.event.ActionEvent evt) {
  //3调用逻辑层
  if (UserEbiFactory.getUserEbi().delete(uuid)) {
   back();
  } else {
   JOptionPane.showMessageDialog(mainFrame,"该用户已经不存在!");
  }

  //4根据调用返回结果导向不同页面

 }

 private void btnBackActionPerformed(java.awt.event.ActionEvent evt) {
  back();
 }

 private void back() {
  mainFrame.setContentPane(new ListPanel(mainFrame));
  mainFrame.validate();
 }

 //GEN-BEGIN:variables
 // Variables declaration - do not modify
 private javax.swing.JButton btnBack;
 private javax.swing.JButton btnDelete;
 private javax.swing.JLabel jLabel1;
 private javax.swing.JLabel jLabel2;
 private javax.swing.JLabel jLabel3;
 private javax.swing.JLabel jLabel4;
 private javax.swing.JLabel jLabel5;
 private javax.swing.JTextField tfdName;
 private javax.swing.JTextField tfdPwd;
 private javax.swing.JTextField tfdType;
 private javax.swing.JTextField tfdUuid;
 // End of variables declaration//GEN-END:variables

}

cn.hncu.bookStore.user.ui;