BitmapFactory的OutOfMemoryError: bitmap size exceeds VM budget解决方案

/*
* StuManager.java
*
* Created on __DATE__, __TIME__
*/

package swing;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.*;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
*
* @author __USER__
*/
public class StuLanding extends javax.swing.JFrame implements ActionListener {
/** Creates new form StuManager */
public StuLanding() {
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.
*/
//GEN-BEGIN:initComponents
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
this.setTitle("Student Landing");
login = new javax.swing.JButton("登陆");
cancel = new javax.swing.JButton("取消");
jLabel1 = new javax.swing.JLabel();
jLabel2 = new javax.swing.JLabel();
jPanel1 = new javax.swing.JPanel();
jLabel3 = new javax.swing.JLabel();
jLabel4 = new javax.swing.JLabel();
jLabel5 = new javax.swing.JLabel();
jPasswordField1 = new javax.swing.JPasswordField();
jTextField1 = new javax.swing.JTextField();
this.setBounds(getX(),getY(),300,350);
this.setBackground(getBackground().BLACK);
Toolkit kit=Toolkit.getDefaultToolkit();
Dimension screenSize=kit.getScreenSize();
this.setSize(WIDTH,HEIGHT);
int width=screenSize.width;
int height=screenSize.height;
int x=(width-WIDTH)/2;
int y=(height-HEIGHT)/2;
this.setLocation(x, y);

setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

login.setText("登陆");
login.setActionCommand("login");
login.addActionListener(this);
cancel.setText("取消");
cancel.setActionCommand("cancel");
cancel.addActionListener(this);
jLabel1.setText("user");

jLabel2.setText("password");

jLabel3.setText("information manager system");

jLabel4.setText("*******************");

jLabel5.setText("*******************");

org.jdesktop.layout.GroupLayout jPanel1Layout = new org.jdesktop.layout.GroupLayout(
jPanel1);
jPanel1.setLayout(jPanel1Layout);
jPanel1Layout
.setHorizontalGroup(jPanel1Layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING)
.add(
jPanel1Layout
.createSequentialGroup()
.add(
jPanel1Layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING)
.add(
jPanel1Layout
.createSequentialGroup()
.add(
76,
76,
76)
.add(
jLabel4,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
114,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(
jPanel1Layout
.createSequentialGroup()
.add(
74,
74,
74)
.add(
jLabel5))
.add(
jPanel1Layout
.createSequentialGroup()
.add(
47,
47,
47)
.add(
jLabel3)))
.addContainerGap(64, Short.MAX_VALUE)));
jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING).add(
jPanel1Layout.createSequentialGroup().add(jLabel5)
.addPreferredGap(
org.jdesktop.layout.LayoutStyle.UNRELATED).add(
jLabel3,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
24, Short.MAX_VALUE).add(14, 14, 14).add(
jLabel4)));

org.jdesktop.layout.GroupLayout layout = new org.jdesktop.layout.GroupLayout(
getContentPane());
getContentPane().setLayout(layout);
layout
.setHorizontalGroup(layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING,isResizable())
.add(jPanel1,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.add(
layout
.createSequentialGroup()
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.TRAILING,
false)
.add(
org.jdesktop.layout.GroupLayout.LEADING,
layout
.createSequentialGroup()
.add(
24,
24,
24)
.add(
login)
.addPreferredGap(
org.jdesktop.layout.LayoutStyle.RELATED,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.add(
cancel))
.add(
org.jdesktop.layout.GroupLayout.LEADING,
layout
.createSequentialGroup()
.add(
32,
32,
32)
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.TRAILING)
.add(
jLabel1)
.add(
jLabel2))
.addPreferredGap(
org.jdesktop.layout.LayoutStyle.RELATED)
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING)
.add(
jPasswordField1,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
124,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE)
.add(
jTextField1))))
.add(59, 59, 59)));
layout
.setVerticalGroup(layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.LEADING)
.add(
org.jdesktop.layout.GroupLayout.TRAILING,
layout
.createSequentialGroup()
.add(
jPanel1,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
Short.MAX_VALUE)
.add(38, 38, 38)
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel1)
.add(
jTextField1,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
org.jdesktop.layout.GroupLayout.DEFAULT_SIZE,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(18, 18, 18)
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.BASELINE)
.add(jLabel2)
.add(
jPasswordField1,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE,
20,
org.jdesktop.layout.GroupLayout.PREFERRED_SIZE))
.add(18, 18, 18)
.add(
layout
.createParallelGroup(
org.jdesktop.layout.GroupLayout.BASELINE)
.add(login).add(
cancel)).add(
45, 45, 45)));

pack();
}// </editor-fold>
//GEN-END:initComponents

public void actionPerformed(ActionEvent e) {
if ("login".equals(e.getActionCommand())) {
//通过数据库验证
// sql s=new sql();
// boolean flag = true;
// if (flag) {
boolean x,y;
nameText=jTextField1.getText();
jPassword=jPasswordField1.getPassword();
sjPassword=String.valueOf(jPassword);
System.out.println(nameText);
System.out.println(sjPassword);
Connection con=null;
try {
try {
Class.forName(DriverClass);
} catch (ClassNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
con = DriverManager.getConnection(url,userName,Password);
System.out.println("The database connection succeeds");
java.sql.Statement st = con.createStatement();
// String sqlsyn="select * from [use] where users=jTextField1.getText()";//错误语法
String sqlsyn="select * from [use] where users='"+ jTextField1.getText() +"'";
// ResultSet rs = null;
ResultSet rs = st.executeQuery(sqlsyn);
while(rs.next()){
try {
sName=rs.getString(1);
sPassword=rs.getString(2);
} catch (SQLException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
}
}
rs.close();
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
System.out.println(sName);
System.out.println(sPassword);
x=(nameText.equals(sName));
if(x==true){System.out.println(nameText+"true"+sName);}
else {System.out.println(x+"false");}
y=(sjPassword.equals(sPassword));
if(y==true){System.out.println(sjPassword+"true"+sPassword);}
else {System.out.println(sjPassword+"false"+sPassword);}
boolean z=(x&&y);
if(z==true){
// this.setVisible(false);
this.dispose();
StuWindows sw=new StuWindows();
sw.initComponents();
System.out.println(e.getActionCommand());
}
else if(z=false){
//当输入不正确的用户名和密码时，系统会将文本框内的内容清空
jTextField1.setText("");
jPasswordField1.setText("");
}
// }
}
if("cancel".equals(e.getActionCommand())){
System.out.println(e.getActionCommand());
jTextField1.setText("");
jPasswordField1.setText("");
}

}
// public void sqlcon(){
// String driverName = "com.microsoft.sqlserver.jdbc.SQLServerDriver"; //加载JDBC驱动
// String dbURL = "jdbc:sqlserver://localhost:1433; DatabaseName=his"; //连接服务器和数据库sample
// String userName = "sa"; //默认用户名
// String userPwd = "mssql"; //密码
// java.sql.Connection con;
// try {
// Class.forName(driverName);
// con = DriverManager.getConnection(dbURL,userName,userPwd);
// System.out.println("Connection Successful!"); //如果连接成功 控制台输出Connection Successful!
// java.sql.Statement s = con.createStatement();
// ResultSet rs = s.executeQuery("select * from use where users=nameText");
// while(rs.next()){
//
// sName=rs.getString(1);
// sPassword=rs.getString(2);
// System.out.println(sName);
// System.out.println(sPassword);
// }
// } catch (Exception e) {
// e.printStackTrace();
// }
//
// }
/**
* @param args the command line arguments
*/
public static void main(String args[]) {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
new StuLanding().setVisible(true);
}
});

}

//GEN-BEGIN:variables
// Variables declaration - do not modify
private javax.swing.JButton login;
private javax.swing.JButton cancel;
private javax.swing.JLabel jLabel1;
private javax.swing.JLabel jLabel2;
private javax.swing.JLabel jLabel3;
private javax.swing.JLabel jLabel4;
private javax.swing.JLabel jLabel5;
private javax.swing.JPanel jPanel1;
public javax.swing.JPasswordField jPasswordField1;
private javax.swing.JTextField jTextField1;
private int WIDTH=300;
private int HEIGHT=150;
private String url= "jdbc:sqlserver://localhost:1433; DatabaseName=his";
private String userName="sa";
private String Password="mssql";
private static final String DriverClass="com.microsoft.sqlserver.jdbc.SQLServerDriver";
private String sjPassword;
public String nameText;
public char[] jPassword;
public String nt;
public String jpw;
public String sName;
public String sPassword;
// End of variables declaration//GEN-END:variables

}

public class StuWindows{
public void static main(String[] args){
JFrame jf=new JFrame();
jf.setSize(220,300);
jf.setvisible(true);

}
}