关于swing项目开发浅论

xiaoxiao2022-06-12  20

关于swing项目开发浅论<一> 由于工作最近接手一个swing项目,开发周期为一年,也算是不大不小的项目,而且项目由我来负责,(*^__^*) 嘻嘻……,我将我开发与管理的心得写下,欢迎各位高手和前辈批评指正。 项目开发前的准备: a:首先对工具的现在,eclispe,netbeans,jb等,对于eclipse我们需要装一个插件swt-designer ,netbeans可以直接开发,sun公司为我们做好了,需要说的是eclipse不支持动态布局,但是将netbeans下的项目import到 eclipse下是可以运行的。 b:对于swing项目来说,没有一个好的命名规范,特别是在多人参加开发,那将是很槽糕的,swing中有大量的组件用起来也很麻烦,这里我写一个简单例子,比如,JTextField txtFieldName, JTextArea txtBlog,等,这样可以便于开发和交流。 c:对于工具的确定,netbeans做界面的开发比较好的选择但是对于后台的开发就显弱势了。在这里我选择eclipse作后台开发,最后将开发好的程序打jar文件最后再导入netbeans中。 项目开发的相关设计: 对于swing做界面来说,并不是我们想象的那么容易,比如说我们在netbeans中画好了所有的界面,在你打开界面的源文件时你会发现这个文件很庞大,可能有上万行代码或者更多,当你读这个代码时也许会感觉茫然的哦。甚至有砸电脑的想法,当维护的人员看到这样的代码,我们是可以想象当时的情景,还有,在swing中也有很多复杂的事件,对我们开发人员的本身也是一种挑战,我们必须在上万行代码中翻来找去,有没有什么好的办法来解决了。其实是有的。 我们开发其实是面对组件开发,然后将各个组件综合在一起就成了我们所需要的软件,当我们开发中肯定会遇到这样或者那样的 JPane ,JFrom JTable等,我们可以将一个个的jpane,jfrom jtable 重新组合中我们自己的组件以便复用,最后我们再这些组件综合在主要的Pane中下面的例子是我用netbeans开发的: /* * SingleJpane.java * * Created on 2008年11月21日, 下午1:43 */ package org.flybird.plat; /** * * @author Administrator */ public class SingleJpane extends javax.swing.JPanel { /** Creates new form SingleJpane */ public SingleJpane() { 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="Generated Code"> private void initComponents() { txtfieldName = new javax.swing.JTextField(); labelName = new javax.swing.JLabel(); labelPassword = new javax.swing.JLabel(); pwdPassword = new javax.swing.JPasswordField(); btnSave = new javax.swing.JButton(); setName("Form"); // NOI18N org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(singlepane.SinglePaneApp.class).getContext().getResourceMap(SingleJpane.class); txtfieldName.setText(resourceMap.getString("txtfieldName.text")); // NOI18N txtfieldName.setName("txtfieldName"); // NOI18N labelName.setText(resourceMap.getString("labelName.text")); // NOI18N labelName.setName("labelName"); // NOI18N labelPassword.setText(resourceMap.getString("labelPassword.text")); // NOI18N labelPassword.setName("labelPassword"); // NOI18N pwdPassword.setText(resourceMap.getString("pwdPassword.text")); // NOI18N pwdPassword.setName("pwdPassword"); // NOI18N btnSave.setText(resourceMap.getString("btnSave.text")); // NOI18N btnSave.setName("btnSave"); // NOI18N org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(this); this.setLayout(layout); layout.setHorizontalGroup( layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(19, 19, 19) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING) .add(btnSave) .add(layout.createSequentialGroup() .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING) .add(labelPassword) .add(labelName)) .add(18, 18, 18) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING, false) .add(txtfieldName) .add(pwdPassword)))) .addContainerGap(214, Short.MAX_VALUE)) ); layout.setVerticalGroup( layout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(layout.createSequentialGroup() .add(56, 56, 56) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.TRAILING) .add(labelName) .add(txtfieldName, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .add(34, 34, 34) .add(layout.createParallelGroup(org.jdesktop.layout.GroupLayout.BASELINE) .add(labelPassword) .add(pwdPassword, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)) .add(28, 28, 28) .add(btnSave) .addContainerGap(125, Short.MAX_VALUE)) ); }// </editor-fold> // Variables declaration - do not modify private javax.swing.JButton btnSave; private javax.swing.JLabel labelName; private javax.swing.JLabel labelPassword; private javax.swing.JPasswordField pwdPassword; private javax.swing.JTextField txtfieldName; // End of variables declaration } 下面是一个主要的mainPane /* * SinglePaneView.java */ package singlepane; import org.jdesktop.application.Action; import org.jdesktop.application.ResourceMap; import org.jdesktop.application.SingleFrameApplication; import org.jdesktop.application.FrameView; import org.jdesktop.application.TaskMonitor; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.Timer; import javax.swing.Icon; import javax.swing.JDialog; import javax.swing.JFrame; import org.flybird.plat.SingleJpane; /** * The application's main frame. */ public class SinglePaneView extends FrameView { public SinglePaneView(SingleFrameApplication app) { super(app); 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="Generated Code"> private void initComponents() { mainPanel = new javax.swing.JPanel(); mainPabbedPane = new javax.swing.JTabbedPane(); this.singleJpane = new SingleJpane(); savePanel = new javax.swing.JPanel(); mainPanel.setName("mainPanel"); // NOI18N mainPabbedPane.setName("mainPabbedPane"); // NOI18N savePanel.setName("savePanel"); // NOI18N org.jdesktop.layout.GroupLayout savePanelLayout = new org.jdesktop.layout.GroupLayout(savePanel); savePanel.setLayout(savePanelLayout); savePanelLayout.setHorizontalGroup( savePanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(0, 371, Short.MAX_VALUE) ); savePanelLayout.setVerticalGroup( savePanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(0, 273, Short.MAX_VALUE) ); org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(singlepane.SinglePaneApp.class).getContext().getResourceMap(SinglePaneView.class); mainPabbedPane.addTab(resourceMap.getString("savePanel.TabConstraints.tabTitle"), savePanel); // NOI18N mainPabbedPane.addTab("single", this.singleJpane); org.jdesktop.layout.GroupLayout mainPanelLayout = new org.jdesktop.layout.GroupLayout(mainPanel); mainPanel.setLayout(mainPanelLayout); mainPanelLayout.setHorizontalGroup( mainPanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(mainPanelLayout.createSequentialGroup() .add(mainPabbedPane, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 376, Short.MAX_VALUE) .add(24, 24, 24)) ); mainPanelLayout.setVerticalGroup( mainPanelLayout.createParallelGroup(org.jdesktop.layout.GroupLayout.LEADING) .add(org.jdesktop.layout.GroupLayout.TRAILING, mainPanelLayout.createSequentialGroup() .add(20, 20, 20) .add(mainPabbedPane, org.jdesktop.layout.GroupLayout.DEFAULT_SIZE, 300, Short.MAX_VALUE)) ); setComponent(mainPanel); }// </editor-fold> // Variables declaration - do not modify private javax.swing.JTabbedPane mainPabbedPane; private javax.swing.JPanel mainPanel; private javax.swing.JPanel savePanel; // End of variables declaration private SingleJpane singleJpane; } 上面有我的开发样例,请注意蓝色粗体部分。 在swing开发中刚才是最基本的问题,我们会面临,事件,内部类,匿名类,多线程,和swing MVC等一些高级应用,在下篇我会一一介绍到,并且讲述我在项目中的应用。 我的msn是:flyingandrunning@hotmail.com 相关资源:CRM项目管理浅论
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