Package connmysql;
Import java.awt. *;
Import java.awt.event. *;
Import javax.swing. *;
Import java.sql. *;
Import com.borland.jbcl.Layout. *;
Import javax.swing.event. *;
// Import org.gjt.mm.mysql. *;
/ ** *
Title: conn mysql *
Description: Connect MySQL Database *
Copyright: Copyright (C) 2004 *
Company: Saichi Snow International Technology Co., Ltd. * @Author Saichi Snow * @version 1.0 * /
public
Class connmysql extends jframe {
public
Static
Void main
String argc []) {
CONNMYSQL TMP =
New connmysql ();
Tmp.pack ();
TMP.SHOW ();
}
JPanel ContentPane;
Jlabel Jlabel1 =
NEW JLABEL ();
XYLAYOUT XYLAYOUT1 =
New XYLAYOUT ();
JButton JButton1 =
NEW jbutton ();
Jtextarea jtextarea1 =
NEW JTEXTAREA ();
JtextField JtextField1 =
NEW JTEXTFIELD ();
JButton JButton3 =
NEW jbutton ();
JButton JButton2 =
NEW jbutton ();
Button textClear =
New button ();
/ / Define global variables
/ / Define some properties when connecting the database
public
String dbuser =
"root";
public
String dbpassword =
""
public
String DBNAME =
"sbdx";
Public connect conn;
Public Statement SQLSTMT;
Public ResultSet Sqlrst;
// end
// construct the frame
Public connmysql () {
Enableevents (AWTEVENT.WINDOW_EVENT_MASK);
Try {
Jbinit ();
JButton3.setenabled (
FALSE);
}
Catch (Exception E) {
E.PrintStackTrace ();
}
}
// Component Initialization
Private
Void jbinit () throws exception {
ContentPane = (JPANEL) this.getContentPane ();
Jlabel1.SetFont
NEW java.awt.font
"Sansserif", 0, 20));
Jlabel1.settext
"This procedure is written by Symbing Snow");
Jlabel1.AddanceStorListener
New connmysql_jlabel1_ancestoradapter
THIS));
Contentpane.setLayout (xylayout1);
THIS.SETSIZE
New Dimension (534, 419)); this.SetTitle
"Connect the MySQL Database");
JButton1.setText
"Connect MySQL Server");
JButton1.AddActionListener
New connmysql_jbutton1_actionadapter
THIS));
Jtextarea1.settext
"" "
JButton3.SetdoubleBuffered (
FALSE);
JButton3.setText
"carried out");
JButton3.AddActionListener
New connmysql_jbutton3_actionadapter
THIS));
JButton2.Settext
"drop out");
JButton2.AddActionListener
New connmysql_jbutton2_actionadapter
THIS));
JtextField1.setText (
"SELECT * from PWD where id <= 10");
Jtextarea1.setautoscrolls (
True);
/ / Set the automatic display of the scroll bar, but it seems that it is useless!
TextClear.SetLabel
"Clean");
TextClear.AddActionListener
New connmysql_textclear_actionadapter
THIS));
Contentpane.Add (jtextarea1,
New xyconstraints (-1, 66, 535, 354));
Contentpane.Add (jbutton3,
New Xyconstraints (469, 34, 65, 30));
ContentPane.Add (jtextfield1,
New Xyconstraints (2, 34, 465, 29));
ContentPane.Add (jButton1,
New Xyconstraints (0, 0, -1, 29));
Contentpane.Add (jbutton2,
New Xyconstraints (450, 0, 84, 34);
Contentpane.Add (TextClear,
New Xyconstraints (377, 0, 71, 34);
ContentPane.Add (Jlabel1,
New Xyconstraints (147, 2, -1, -1));
}
// Overridden So We Can Exit when WINDOW IS CLOSED
protected
Void ProcessWindowEvent (WindowEvent E) {
Super.ProcessWindowEvent (e);
IF (E.GETID () == WINDOWEVENT.WINDOW_CLOSIING) {
System.exit (0);
}
}
Void JButton1_ActionPerformed (ActionEvent E) {
String URL =
"JDBC: MySQL: // localhost: 3306 /" DBNAME
"? useunicode = true & characterencoding = GB2312";
Try {
Class.Forname
"org.gjt.mm.mysql.driver"). NewInstance ();
Conn = java.sql.driverManager.getConnection (URL, DBUSER, DBPASSWORD);
JButton3.seTenabled (TRUE);
Statement SQLSTMT = conn.createstatement ();
String SQL = jtextfield1.gettext ();
ResultSet Sqlrst = SQLSTMT.ExecuteQuery (SQL);
ResultSetmetadata
RSM = sqlrst.getMetadata ();
SQL =
""
// loop display the result after executing SQL
FOR
INT count_i = 1; count_i <= rsm.getColumnCount (); count_i ) {
// Display the field of the table
SQL = RSM.GetColumnName (count_i)
"/ t";
}
SQL =
"/ n";
While (sqlrst.next ()) {
FOR
INT j = 1; j <= rsm.getColumnCount (); J ) {
SQL = sqlrst.getstring (j)
"/ t";
}
SQL =
"/ n";
}
// End cycle
// Add a text
Jtextarea1.append (sql);
// end
Sqlrst.close ();
SQLSTMT.CLOSE ();
// conn.close ();
}
Catch (SQLException SQLERR) {
System.out.println (
"Connect the MySQL server error!");
SQLERR.PRINTSTACKTRACE ();
}
Catch (Exception Conne) {
Conne.PrintStackTrace ();
}
}
Void JButton2_ActionPerformed (ActionEvent E) {
System.exit (0);
}
Void textclear_actionperperformed (ActionEvent E) {
Jtextarea1.settext
"" "
}
Void JButton3_ActionPerformed (ActionEvent E) {
Jtextarea1.settext
"" "
String SQL = jtextfield1.gettext ();
Try {
SQLSTMT = conn.createstatement ();
SQLRST = SQLSTMT.ExecuteQuery (SQL);
ResultSetmetadata
RSM = sqlrst.getMetadata ();
SQL =
""
// loop display the result after executing SQL
FOR
INT count_i = 1; count_i <= rsm.getColumnCount (); count_i ) {
// Display the field of the table
SQL = RSM.GetColumnName (count_i)
"/ t";
}
SQL =
"/ n";
While (sqlrst.next ()) {
FOR
INT j = 1; j <= rsm.getColumnCount (); J ) {
SQL = sqlrst.getstring (j)
"/ t";
}
SQL =
"/ n";
}
// End cycle
Jtextarea1.settext
"" "
Jtextarea1.append (sql);
}
Catch (SQLException SQLERR) {
System.out.println (
"Connect the MySQL server error!");
SQLERR.PRINTSTACKTRACE ();
}
Catch (Exception Conne) {
Conne.PrintStackTrace ();
}
}
Class connmysql_jbutton1_actionadapter
Implements java.awt.event.ActionListener {
CONNMYSQL Adaptee;
CONNMYSQL_JBUTTON1_ACTIONADAPTER (CONNMYSQL Adaptee) {
THIS.Adaptee = adaptee;
}
public
Void ActionPerformed (ActionEvent E) {
Adaptee.jbutton1_Actionperformed (e);
}
}
Class connmysql_jbutton2_actionAdapter Implements java.awt.event.ActionListener {
CONNMYSQL Adaptee;
CONNMYSQL_JBUTTON2_ACTIONADAPTEE (CONNMYSQL Adaptee) {
THIS.Adaptee = adaptee;
}
public
Void ActionPerformed (ActionEvent E) {
Adaptee.jbutton2_Actionperformed (e);
}
}
Class connmysql_jlabel1_ancestoradapter implements javax.swing.event.ancestorListener {
CONNMYSQL Adaptee;
CONNMYSQL_JLABEL1_ANCESTORADAPTER (CONNMYSQL Adaptee) {
THIS.Adaptee = adaptee;
}
public
Void AnceStoradded (Ancestorevent E) {
}
public
Void Annestorremoved (Anchestorevent E) {
}
public
Void Ancestormoved (Anchestorevent E) {
}
}
Class connmysql_textclear_actionadapter import.Ava.awt.event.ActionListener {
CONNMYSQL Adaptee;
CONNMYSQL_TEXTCLEAR_ACTIONADAPTER (Connmysql Adaptee) {
THIS.Adaptee = adaptee;
}
public
Void ActionPerformed (ActionEvent E) {
Adaptee.textclear_actionperformed (e);
}
}
Class connmysql_jbutton3_actionAdapter Implements java.awt.event.ActionListener {
CONNMYSQL Adaptee;
CONNMYSQL_JBUTTON3_ACTIONADAPTER (CONNMYSQL Adaptee) {
THIS.Adaptee = adaptee;
}
public
Void ActionPerformed (ActionEvent E) {
Adaptee.jbutton3_Actionperformed (e);
}
}
}
