java Swing 界面化查詢數據庫表

兩天從0基礎寫的。沒有按鈕對話框功能，只是簡單的實現。

固然代碼上有不少須要優化的，基本須要重寫哈哈哈。可是我怕之後有須要因此仍是存一下好了。《把RS結果集，放vector裏面，用vector構造JTable》

 1 package meterSqllitedataFinal;
 2 
 3 import java.awt.Dimension;
 4 import java.util.Vector;
 5 import javax.swing.JButton;
 6 import javax.swing.JFrame;
 7 import javax.swing.JLabel;
 8 import javax.swing.JScrollPane;
 9 import javax.swing.JTable;
10 
11 public class mainn extends JFrame {
12     //private Vector rowData, columnName;
13     private JTable jt = null;
14     private JScrollPane jsp = null;
15     private JButton jb = null;
16 
17     public static void main(String[] args) {
18         // 顯示應用 GUI
19         mainn miann1 = new mainn();
20     }
21     
22     public mainn()
23     {
24         sqlitedata a = new sqlitedata();
25          //初始化JTable  
26         a.mainjj();
27                  
28         jt = new JTable(a.rowData, a.columnName);  
29           
30         jsp = new JScrollPane(jt);  
31         
32         this.add(jsp);  
33         this.setTitle("by:Zing莊     SqlliteConnect");  
34         this.setSize(460, 200);  //這是大小
35         this.setLocation(300, 200);  //這是位置
36         this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  
37         this.setResizable(true);  //尺寸是否可變
38         this.setVisible(true);  //顯示與隱藏
39     }
40     
41 }

 1 package meterSqllitedataFinal;
 2 
 3 import java.sql.Connection;
 4 import java.sql.DriverManager;
 5 import java.sql.ResultSet;
 6 import java.sql.ResultSetMetaData;
 7 import java.sql.Statement;
 8 import java.util.Vector;
 9 
10 import javax.swing.JScrollPane;
11 import javax.swing.JTable;
12 
13 import org.omg.CORBA.PRIVATE_MEMBER;
14 
15 public class sqlitedata {
16     public  Vector rowData, columnName;  
17     
18     public void mainjj() {
19         Connection c = null;
20         Statement stmt = null;
21 
22         rowData = new Vector();
23         try {
24             Class.forName("org.sqlite.JDBC");
25             c = DriverManager.getConnection("jdbc:sqlite:d:\\web\\data.data\\");//tim.data  
26             c.setAutoCommit(false);
27             System.out.println("Opened database successfully");
28 
29             stmt = c.createStatement();
30             ResultSet rs = stmt.executeQuery("SELECT * FROM Meter;");//COMPANY
31             ResultSetMetaData data = rs.getMetaData();
32             
33             columnName = new Vector();  
34             System.out.println("dd");
35             
36             
37             
38             for (int i = 1; i <= data.getColumnCount(); i++) {
39                 columnName.add(data.getColumnName(i));//這裏是列名
40             }
41             
42             while (rs.next()) {
43 
44                     Vector line1 = new Vector();
45                     for (int k = 1; k <= data.getColumnCount(); k++) {
46 
47                         line1.add(rs.getString(data.getColumnName(k)));//這裏是添加行數據
48                     }
49                     rowData.add(line1);
50                 }
51                     
52             rs.close();
53             stmt.close();
54             c.close();
55         } catch (Exception e) {
56             System.err.println(e.getClass().getName() + ": " + e.getMessage());
57             System.exit(0);
58         }
59         System.out.println("Operation done successfully");
60         
61     }
62 
63 }

 

 

須要導入的驅動

 

 

 

 

 

 

項目須要導入sql驅動。build Path →Configure Build Path →Add External JARs

http://blog.csdn.net/qq_21478795/article/details/51579181

這個是借鑑的地方。

https://zhidao.baidu.com/question/2202449700556627748.html

這個借鑑如何傳輸進數據

http://blog.csdn.net/a412588063/article/details/21242887

這沒借鑑過，可是挺詳細的。

http://www.runoob.com/sqlite/sqlite-java.html

這裏是sqllite驅動下載