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適合初學者學習java的過程中掌握和鞏固基礎知識。

代碼片段和文件信息
package?dictionary;
import?java.awt.FlowLayout;
import?java.awt.HeadlessException;
import?java.awt.Image;
import?java.awt.Toolkit;
import?java.awt.event.ActionEvent;
import?java.awt.event.ActionListener;
import?java.io.BufferedReader;
import?java.io.InputStreamReader;
import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.sql.Statement;
import?javax.swing.ImageIcon;
import?javax.swing.JButton;
import?javax.swing.Jframe;
import?javax.swing.JLabel;
import?javax.swing.JOptionPane;
import?javax.swing.JTextField;
public?class?MyTestDictionary?{
/**
?*?@param?args
?*/
public?static?void?main(String[]?args)?{
//?TODO?Auto-generated?method?stub
new?DictionaryBox(“笨笨詞典小助手“);
}
}
class?DictionaryBox?extends?Jframe
{
Connection?con?=?null;
Statement?smc?=?null;
Statement?sme?=?null;
ResultSet?rsc?=?null;
ResultSet?rse?=?null;
Jframe?frame;
BufferedReader?br?=?new?BufferedReader(new?InputStreamReader(System.in));
//聲明標簽
JLabel?jlInputjlOutputjlBackground;
//聲明文本框
JTextField?jtfInputjtfOutput;
//聲明按鈕
JButton?jbBackjbRefer;
public?DictionaryBox(String?title)
{
super(title);
this.setLayout(null);
this.setBounds(300?300?300?250);
//更改小圖標
Toolkit?tool=super.getToolkit();
Image?myimage=tool.getImage(“WebRoot/WEB-INF/查找.jpg“);
super.setIconImage(myimage);
//初始化標簽
jlInput?=?new?JLabel(“請輸入“);
jlOutput?=?new?JLabel(“查詢結果“);
//初始化文本框
jtfInput?=?new?JTextField();
jtfOutput?=?new?JTextField();
//初始化按鈕
jbBack?=?new?JButton(“重置“);
jbRefer?=?new?JButton(“查詢“);
//定位標簽
jlInput.setBounds(20?30?70?30);
jlOutput.setBounds(20?60?60?30);
//定位文本框
jtfInput.setBounds(1103015030);
jtfOutput.setBounds(11060?150?30);
//定位按鈕
jbRefer.setBounds(901406030);
jbBack.setBounds(180140?60?30);
//給重置按鈕加事件監聽
???jbBack.addActionListener(new?ActionListener(){
??????public?void?actionPerformed(ActionEvent?e)
???{
?????//使文本框中的內容清空
?String?infoValc?=?jtfInput.getText();
?String?infoVale?=?jtfOutput.getText();
?if(!(infoValc.equals(““))||!(infoVale.equals(““)))
???{
?jtfInput.setText(““);
?????jtfOutput.setText(““);
???}
???}
???});
//監聽查詢按鈕
jbRefer.addActionListener(new?ActionListener(){
public?void?actionPerformed(ActionEvent?e)?{
String?inputInformation?=?jtfInput.getText();
int?a?=?inputInformation.length();
//數據庫連接
try?{
Class.forName(“com.mysql.jdbc.Driver“);
}?catch?(ClassNotFoundException?e1)?{
//?TODO?Auto-generated?catch?block
e1.printStackTrace();
}
try?{
con?=?DriverManager.getConnection(“jdbc:mysql://localhost:3306/hanzhong““root““mysql“);
}?catch?(SQLException?e1)?{
//?TODO?Auto-generated?catch?block
e1.printStackTrace();
}
????try?{
smc?=?con.createSt
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????453??2011-11-10?10:26??cidian\.classpath
?????文件????????291??2011-11-10?10:23??cidian\.myme
?????文件???????1008??2011-11-10?10:23??cidian\.project
?????文件????????109??2011-11-10?10:23??cidian\.settings\com.genuitec.eclipse.ws.prefs
?????文件???????5216??2011-11-10?10:25??cidian\src\dictionary\MyTestDictionary.java
?????文件????????831??2011-11-10?10:23??cidian\WebRoot\index.jsp
?????文件?????????39??2011-11-10?10:23??cidian\WebRoot\me
?????文件??????31258??2011-11-10?10:27??cidian\WebRoot\WEB-INF\a17.jpg
?????文件???????1078??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes\dictionary\DictionaryBox$1.class
?????文件???????3125??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes\dictionary\DictionaryBox$2.class
?????文件???????2658??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes\dictionary\DictionaryBox.class
?????文件????????516??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes\dictionary\MyTestDictionary.class
?????文件????????381??2011-11-10?10:23??cidian\WebRoot\WEB-INF\web.xm
?????文件??????47769??2011-11-10?10:27??cidian\WebRoot\WEB-INF\查找.jpg
?????目錄??????????0??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes\dictionary
?????目錄??????????0??2011-11-10?10:26??cidian\WebRoot\WEB-INF\classes
?????目錄??????????0??2011-11-10?10:23??cidian\WebRoot\WEB-INF\lib
?????目錄??????????0??2011-11-10?10:24??cidian\src\dictionary
?????目錄??????????0??2011-11-10?10:23??cidian\WebRoot\me
?????目錄??????????0??2011-11-10?10:27??cidian\WebRoot\WEB-INF
?????目錄??????????0??2011-11-10?10:23??cidian\.myeclipse
?????目錄??????????0??2011-11-10?10:23??cidian\.settings
?????目錄??????????0??2011-11-10?10:25??cidian\Driver
?????目錄??????????0??2011-11-10?10:24??cidian\src
?????目錄??????????0??2011-11-10?10:23??cidian\WebRoot
?????目錄??????????0??2011-11-10?10:25??cidian
?????文件???????1202??2011-11-10?10:40??hanzhong.sql
-----------?---------??----------?-----??----
????????????????95934????????????????????27
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