Java 使用GUI进行映射
我正在用HashMap和GUI做作业。用户将输入一个国家,以及该国的首都,然后按Add,这将把这两个字符串添加到地图中,它将把首都添加到右边的列表中。接下来是搜索功能。用户将能够键入国家的名称,并在添加的其他首都中,在右侧突出显示以蓝色表示的国家首都。这是它应该是什么样子 对不起,图像太小了。我已经在netbeans中设置了GUI,并且我非常确定我已经使用hashMap设置完成了操作。我现在所需要的是完成添加到列表的部分,这是我一直坚持的。这就是我目前所拥有的,我声明了ArrayList,因为我想我可能需要它作为列表部分,但后来我被卡住了 非常感谢您的帮助,谢谢Java 使用GUI进行映射,java,user-interface,map,listbox,mapping,Java,User Interface,Map,Listbox,Mapping,我正在用HashMap和GUI做作业。用户将输入一个国家,以及该国的首都,然后按Add,这将把这两个字符串添加到地图中,它将把首都添加到右边的列表中。接下来是搜索功能。用户将能够键入国家的名称,并在添加的其他首都中,在右侧突出显示以蓝色表示的国家首都。这是它应该是什么样子 对不起,图像太小了。我已经在netbeans中设置了GUI,并且我非常确定我已经使用hashMap设置完成了操作。我现在所需要的是完成添加到列表的部分,这是我一直坚持的。这就是我目前所拥有的,我声明了ArrayList,因为
import java.util.ArrayList;
import java.util.HashMap;
public class MapPanel extends javax.swing.JPanel {
HashMap<String, String> hashMap=new HashMap<String,String>();
ArrayList<String> array = new ArrayList<String>();
/**
* Creates new form MapPanel
*/
public MapPanel() {
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.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
searchPanel = new javax.swing.JPanel();
countrySearch = new javax.swing.JTextField();
jLabel3 = new javax.swing.JLabel();
jButton2 = new javax.swing.JButton();
inputPanel = new javax.swing.JPanel();
countryInput = new javax.swing.JTextField();
capitalInput = new javax.swing.JTextField();
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jButton1 = new javax.swing.JButton();
listPanel = new javax.swing.JPanel();
jScrollPane1 = new javax.swing.JScrollPane();
capitalList = new javax.swing.JList();
searchPanel.setBorder(javax.swing.BorderFactory.createEtchedBorder());
jLabel3.setText("Search Country");
jButton2.setText("Search");
jButton2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout searchPanelLayout = new javax.swing.GroupLayout(searchPanel);
searchPanel.setLayout(searchPanelLayout);
searchPanelLayout.setHorizontalGroup(
searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGroup(searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGroup(searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGap(14, 14, 14)
.addComponent(jLabel3))
.addGroup(searchPanelLayout.createSequentialGroup()
.addContainerGap()
.addComponent(countrySearch, javax.swing.GroupLayout.PREFERRED_SIZE, 236, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, searchPanelLayout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
searchPanelLayout.setVerticalGroup(
searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGap(10, 10, 10)
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(countrySearch, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton2, javax.swing.GroupLayout.PREFERRED_SIZE, 41, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
countryInput.setToolTipText("");
countryInput.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(java.awt.event.FocusEvent evt) {
countryInputFocusGained(evt);
}
});
jLabel1.setText("Country");
jLabel2.setText("Capital");
jButton1.setText("Add");
jButton1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout inputPanelLayout = new javax.swing.GroupLayout(inputPanel);
inputPanel.setLayout(inputPanelLayout);
inputPanelLayout.setHorizontalGroup(
inputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(inputPanelLayout.createSequentialGroup()
.addGap(15, 15, 15)
.addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 84, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addGroup(inputPanelLayout.createSequentialGroup()
.addContainerGap()
.addGroup(inputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(countryInput)
.addComponent(capitalInput)
.addGroup(inputPanelLayout.createSequentialGroup()
.addGap(8, 8, 8)
.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 84, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(0, 0, Short.MAX_VALUE))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, inputPanelLayout.createSequentialGroup()
.addGap(0, 0, Short.MAX_VALUE)
.addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 65, javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
inputPanelLayout.setVerticalGroup(
inputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(inputPanelLayout.createSequentialGroup()
.addGap(19, 19, 19)
.addComponent(jLabel1)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(countryInput, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addGap(23, 23, 23)
.addComponent(jLabel2)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(capitalInput, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(jButton1, javax.swing.GroupLayout.DEFAULT_SIZE, 40, Short.MAX_VALUE)
.addContainerGap())
);
jScrollPane1.setViewportView(capitalList);
javax.swing.GroupLayout listPanelLayout = new javax.swing.GroupLayout(listPanel);
listPanel.setLayout(listPanelLayout);
listPanelLayout.setHorizontalGroup(
listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(listPanelLayout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 226, Short.MAX_VALUE)
.addContainerGap())
);
listPanelLayout.setVerticalGroup(
listPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, listPanelLayout.createSequentialGroup()
.addContainerGap()
.addComponent(jScrollPane1)
.addContainerGap())
);
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);
this.setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.addComponent(inputPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(searchPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
.addComponent(listPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(listPanel, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
.addComponent(inputPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
.addComponent(searchPanel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
);
}// </editor-fold>
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
String text = countryInput.getText();
String text2 = capitalInput.getText();
hashMap.put(text,text2);
}
private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
hashMap.get(countrySearch.getText());
}
private void countryInputFocusGained(java.awt.event.FocusEvent evt) {
countryInput.requestFocusInWindow();
}
// Variables declaration - do not modify
private javax.swing.JTextField capitalInput;
private javax.swing.JList capitalList;
private javax.swing.JTextField countryInput;
private javax.swing.JTextField countrySearch;
private javax.swing.JPanel inputPanel;
private javax.swing.JButton jButton1;
private javax.swing.JButton jButton2;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JScrollPane jScrollPane1;
private javax.swing.JPanel listPanel;
private javax.swing.JPanel searchPanel;
// End of variables declaration
}
import java.util.ArrayList;
导入java.util.HashMap;
公共类MapPanel扩展了javax.swing.JPanel{
HashMap HashMap=新的HashMap();
ArrayList数组=新的ArrayList();
/**
*创建新的表单映射面板
*/
公共地图面板(){
初始化组件();
}
/**
*从构造函数中调用此方法来初始化表单。
*警告:不要修改此代码。此方法的内容始终为
*由表单编辑器重新生成。
*/
@抑制警告(“未选中”)
//
私有组件(){
searchPanel=newjavax.swing.JPanel();
countrySearch=newjavax.swing.JTextField();
jLabel3=newjavax.swing.JLabel();
jButton2=newjavax.swing.JButton();
inputPanel=newjavax.swing.JPanel();
countryInput=newjavax.swing.JTextField();
capitalInput=newjavax.swing.JTextField();
jLabel1=newjavax.swing.JLabel();
jLabel2=newjavax.swing.JLabel();
jButton1=newjavax.swing.JButton();
listPanel=newjavax.swing.JPanel();
jScrollPane1=newjavax.swing.JScrollPane();
capitalList=newjavax.swing.JList();
searchPanel.setboorder(javax.swing.BorderFactory.createtchedborder());
jLabel3.setText(“搜索国家”);
jButton2.setText(“搜索”);
jButton2.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
jButton2ActionPerformed(evt);
}
});
javax.swing.GroupLayout searchPanelLayout=新建javax.swing.GroupLayout(searchPanel);
searchPanel.setLayout(searchPanelLayout);
searchPanelLayout.setHorizontalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGroup(searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGroup(searchPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGap(14,14,14)
.addComponent(jLabel3))
.addGroup(searchPanelLayout.createSequentialGroup()
.addContainerGap()
.addComponent(countrySearch,javax.swing.GroupLayout.PREFERRED_SIZE,236,javax.swing.GroupLayout.PREFERRED_SIZE)))
.addGap(0,0,短.MAX_值))
.addGroup(javax.swing.GroupLayout.Alignment.TRAILING,searchPanelLayout.createSequentialGroup()
.addGap(0,0,短.MAX_值)
.addComponent(jButton2,javax.swing.GroupLayout.PREFERRED_SIZE,65,javax.swing.GroupLayout.PREFERRED_SIZE)))
.addContainerGap())
);
searchPanelLayout.setVerticalGroup(
createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(searchPanelLayout.createSequentialGroup()
.addGap(10,10,10)
.addComponent(jLabel3)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(countrySearch,javax.swing.GroupLayout.PREFERRED\u SIZE,javax.swing.GroupLayout.DEFAULT\u SIZE,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jButton2,javax.swing.GroupLayout.PREFERRED_SIZE,41,javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT\u SIZE,Short.MAX\u VALUE))
);
countryInput.setToolTipText(“”);
countryInput.addFocusListener(新java.awt.event.FocusAdapter(){
public void focusgoven(java.awt.event.FocusEvent evt){
国家投入焦点(evt);
}
});
jLabel1.setText(“国家”);
jLabel2.setText(“资本”);
jButton1.setText(“添加”);
jButton1.addActionListener(新java.awt.event.ActionListener(){
public void actionPerformed(java.awt.event.ActionEvent evt){
jButton1ActionPerformed(evt);
}
});
javax.swing.GroupLayout inputPanelLayout=新建javax.swing.GroupLayout(inputPanel);
inputPanel.setLayout(inputPanelLayout);
inputPanelLayout.setHorizontalGroup(
inputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(inputPanelLayout.createSequentialGroup()
.addGap(15,15,15)
.addComponent(jLabel2,javax.swing.GroupLayout.PREFERRED\u SIZE,84,javax.swing.GroupLayout.PREFERRED\u SIZE)
.addContainerGap(javax.swing.GroupLayout.DEFAULT\u SIZE,Short.MAX\u VALUE))
.addGroup(inputPanelLayout.createSequentialGroup()
.addContainerGap()
.addGroup(inputPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addComponent(countryInput)
.addComponent(capitalInput)
.addGroup(inputPanelLayout.createSequentialGrou)