JFileChooser+FileNameExtensionFilter 文件选择器+过滤器------上传图片功能 表格内部操作

package bean;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Vector;

import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JMenuBar;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.DefaultTableModel;

public class MainFrame extends JFrame {

public final static int MAX_X=620;
public final static int MAX_Y=480;
private JMenuBar jmb ;
private JLabel nameLbl;
private JLabel sexLbl;
private JLabel ageLbl;
private JLabel classLbl;
private JLabel photoLbl;

private JButton selectJbt;
private JButton deleteJbt;
private JButton udpateJbt;
private JButton insertJbt;
private JRadioButton maleJrb;
private JRadioButton femaleJrb;
private ButtonGroup bg;

private JTextField nameJtf;
private JTextField ageJtf;
private JTextField classJtf;
private JTextField searchJtf;

private JTable jtbl;
private DefaultTableModel dtm; //表格用的数据模型
private JScrollPane jsp;//存放表格的，表格必须放在里面
private String fileName; //图片路径

public MainFrame(){

init();

this.setBounds(100, 100,MAX_X,MAX_Y);
this.setTitle("学生信息管理");
this.setResizable(false);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);

}
public void init(){
this.setLayout(null);
this.add(this.getNameLbl());
this.add(this.getNameJtf());
this.add(this.getSexLbl());
this.getBg();
this.add(this.getMaleJrb());
this.add(this.getFemaleJrb());
this.add(this.getPhotoLbl());
this.add(this.getAgeLbl());
this.add(this.getAgeJtf());
this.add(this.getClassLbl());
this.add(this.getClassJtf());
this.add(this.getUdpateJbt());
this.add(this.getJsp());
}

public JMenuBar getJmb() {
return jmb;
}
public void setJmb(JMenuBar jmb) {
this.jmb = jmb;
}
//-------------------------------------name------------------------
public JLabel getNameLbl() {
if(nameLbl==null){
nameLbl = new JLabel("姓名:");
nameLbl.setBounds(30, 30, 50, 30);
}
return nameLbl;
}
public void setNameLbl(JLabel nameLbl) {
this.nameLbl = nameLbl;
}
public JLabel getSexLbl() {
if(sexLbl == null){
sexLbl = new JLabel("性别:");
sexLbl.setBounds(250, 30, 50, 30);
}
return sexLbl;
}
public void setSexLbl(JLabel sexLbl) {
this.sexLbl = sexLbl;
}
//-----------------------------------------age--------------------------
public JLabel getAgeLbl() {
if(ageLbl==null){
ageLbl = new JLabel("年龄:");
ageLbl.setBounds(30, 100, 50, 30);
}
return ageLbl;
}
public void setAgeLbl(JLabel ageLbl) {
this.ageLbl = ageLbl;
}
//----------------------------------------class---------------------------------
public JLabel getClassLbl() {
if(classLbl == null){
classLbl = new JLabel("班级:");
classLbl.setBounds(250, 100, 50, 30);
}
return classLbl;
}
public void setClassLbl(JLabel classLbl) {
this.classLbl = classLbl;
}
//-----------------------------------------photo------------------------------
public JLabel getPhotoLbl() {
if(photoLbl == null){
photoLbl = new JLabel();
photoLbl.setBounds(430, 10, 180, 180);

setDefaultPhoto();//设置默认图片
photoLbl.setToolTipText("点我改图片");
photoLbl.addMouseListener(new MouseAdapter() {

@Override
public void mouseClicked(MouseEvent arg0) {
// TODO Auto-generated method stub

JFileChooser chooser = new JFileChooser();//文件选择器
FileNameExtensionFilter filter = new FileNameExtensionFilter(
"请选择图片文件", "png", "jpg");//文件名过滤器
chooser.setFileFilter(filter);//给文件选择器加入文件过滤器

int returnVal = chooser.showOpenDialog(MainFrame.this);
if(returnVal == JFileChooser.APPROVE_OPTION) {

File file = chooser.getSelectedFile();//得到文件对象
fileName = chooser.getSelectedFile().getName();//得到文件名
//得到要存入的路径
String newFile = "c:/pic/"+fileName;
//得到文件后，上传到我们统一文件夹下，并显示出来
//使用二进制流进行操作
try {
BufferedInputStream bis = new BufferedInputStream(new FileInputStream(file));
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(newFile));

int i = bis.read();
while(i!=-1){
bos.write(i);
i = bis.read();
}
bos.close();
bis.close();
//将上传完的图片显示出来
photoLbl.setIcon(new ImageIcon(newFile));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}

}

});
}
return photoLbl;
}

public void setPhotoLbl(JLabel photoLbl) {
this.photoLbl = photoLbl;
}
public JButton getSelectJbt() {
return selectJbt;
}
public void setSelectJbt(JButton selectJbt) {
this.selectJbt = selectJbt;
}
public JButton getDeleteJbt() {
return deleteJbt;
}
public void setDeleteJbt(JButton deleteJbt) {
this.deleteJbt = deleteJbt;
}
public JButton getUdpateJbt() {
if(udpateJbt==null){
udpateJbt = new JButton("修改");
udpateJbt.setBounds(350, 150, 60, 30);
udpateJbt.addActionListener(new ActionListener() {

@Override
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
String name = nameJtf.getText();
String sex = maleJrb.isSelected()?"male":"female";
int age =  Integer.parseInt(ageJtf.getText());
String clazz = classJtf.getText();

Student s = new Student();
s.setName(name);s.setSex(sex);s.setAge(age);s.setClazz(clazz);s.setPhoto(fileName);
System.out.println(s);//存入数据库了
//更新表格
//jtbl.setModel(arg0);
}
});
}
return udpateJbt;
}
public void setUdpateJbt(JButton udpateJbt) {
this.udpateJbt = udpateJbt;
}
public JButton getInsertJbt() {
return insertJbt;
}
public void setInsertJbt(JButton insertJbt) {
this.insertJbt = insertJbt;
}
//------------------------------------------------namejtf----------------------
public JTextField getNameJtf() {
if(nameJtf==null){
nameJtf = new JTextField();
nameJtf.setBounds(80, 30, 120, 30);
}
return nameJtf;
}
public void setNameJtf(JTextField nameJtf) {
this.nameJtf = nameJtf;
}
//---------------------------------------------agejtf------------------------------
public JTextField getAgeJtf() {
if(ageJtf==null){
ageJtf = new JTextField();
ageJtf.setBounds(80, 100, 120, 30);
}
return ageJtf;
}
public void setAgeJtf(JTextField ageJtf) {
this.ageJtf = ageJtf;
}
public JTextField getClassJtf() {
if(classJtf == null){
classJtf = new JTextField();
classJtf.setBounds(300, 100, 120, 30);
}
return classJtf;
}
public void setClassJtf(JTextField classJtf) {
this.classJtf = classJtf;
}
public JTextField getSearchJtf() {
return searchJtf;
}
public void setSearchJtf(JTextField searchJtf) {
this.searchJtf = searchJtf;
}
//---------------------------------------------jtbl--------------------
public JTable getJtbl() {
if(jtbl == null){
jtbl = new JTable(this.getDtm());
jtbl.addMouseListener(new MouseAdapter() {

@Override
public void mouseClicked(MouseEvent arg0) {
// TODO Auto-generated method stub
//1.得到选中的行
int row = jtbl.getSelectedRow();
//2.将选中行的列加入到指定控件中
//System.out.println(dtm.getValueAt(jtbl.getSelectedRow(), 0));
nameJtf.setText((String)dtm.getValueAt(row, 0));
ageJtf.setText(((Integer)dtm.getValueAt(row, 2)).toString());
String sex = (String)dtm.getValueAt(row, 1);
if(sex.equals("male")){
maleJrb.setSelected(true);
}else{
femaleJrb.setSelected(true);
}
classJtf.setText((String)dtm.getValueAt(row, 3));

photoLbl.setIcon(new ImageIcon("c:/pic/"+(String)dtm.getValueAt(row, 4)));
fileName = (String)dtm.getValueAt(row, 4);//存下当前显示的图片的路径
}

});
}
return jtbl;
}
public void setJtbl(JTable jtbl) {
this.jtbl = jtbl;
}
public DefaultTableModel getDtm() {

Vector cols = new Vector();
cols.add("姓名");cols.add("性别");cols.add("年龄");cols.add("班级");cols.add("照片");

Vector data = new Vector();

StudentDao sd = new StudentDao();
ArrayList alist = sd.getAllStudent();
for(Object obj : alist){
Vector v = new Vector();
Student s = (Student)obj;
v.add(s.getName());
v.add(s.getSex());
v.add(s.getAge());
v.add(s.getClazz());
v.add(s.getPhoto());
data.add(v);
}
dtm = new DefaultTableModel(data,cols);
return dtm;
}
public void setDtm(DefaultTableModel dtm) {
this.dtm = dtm;
}
//------------------------------------jsp------------------------
public JScrollPane getJsp() {
if(jsp == null){
jsp = new JScrollPane(this.getJtbl());
jsp.setBounds(0, 240, MAX_X, 240);
}
return jsp;
}
public void setJsp(JScrollPane jsp) {
this.jsp = jsp;
}
public static void main(String[] args) {

new MainFrame();

}
public JRadioButton getMaleJrb() {
if(maleJrb == null){
maleJrb = new JRadioButton("男");
maleJrb.setBounds(300, 30, 60, 30);
}
return maleJrb;
}
public void setMaleJrb(JRadioButton maleJrb) {
this.maleJrb = maleJrb;
}
public JRadioButton getFemaleJrb() {
if(femaleJrb == null){
femaleJrb = new JRadioButton("女");
femaleJrb.setBounds(360, 30, 60, 30);
}
return femaleJrb;
}
public void setFemaleJrb(JRadioButton femaleJrb) {
this.femaleJrb = femaleJrb;
}
public ButtonGroup getBg() {
if(bg == null){
bg = new ButtonGroup();
bg.add(this.getMaleJrb());bg.add(this.getFemaleJrb());
}
return bg;
}
public void setBg(ButtonGroup bg) {
this.bg = bg;
}
//设置photoLbl中的默认照片
private void setDefaultPhoto() {
// TODO Auto-generated method stub
getPhotoLbl().setIcon(new ImageIcon("src/default.jpg"));
}
}