import java.awt.Color;
import java.awt.Dimension;
import java.awt.Point;import javax.swing.JFrame;
import javax.swing.JLabel;//=================================================
// File Name       :    JFrame_demo
//------------------------------------------------------------------------------
// Author          :    Common//主类
//Function        :     JFrame_demo
public class JFrame_demo {public static void main(String[] args) {// TODO 自动生成的方法存根JFrame f = new JFrame("Swing窗口");                         //实例化窗体对象JLabel lab = new JLabel("Label",JLabel.CENTER);     //实例化对象，使用剧中对齐f.add(lab);                                                                                //向容器中加入组建Dimension dim = new Dimension();                             //实例化Dimension对象dim.setSize(230,80);            //设置大小f.setSize(dim);                       //设置组件大小f.setBackground(Color.WHITE);Point point = new Point(300,200);     //设置现实的坐标点f.setLocation(point);f.setVisible(true);}}

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;import javax.swing.JFrame;
import javax.swing.JLabel;//=================================================
// File Name       :    JFrame_demo
//------------------------------------------------------------------------------
// Author          :    Common//主类
//Function        :     JFrame_demo
public class JFrame_demo {public static void main(String[] args) {// TODO 自动生成的方法存根JFrame f = new JFrame("Swing窗口");                         //实例化窗体对象JLabel lab = new JLabel("Label",JLabel.CENTER);     //实例化对象，使用剧中对齐Font fnt = new Font("Serief",Font.ITALIC+Font.BOLD,28);lab.setFont(fnt);                                   //设置标签的显示字体lab.setForeground(Color.RED);    //设置标签的文字颜色f.add(lab);                                                                              //向容器中加入组建Dimension dim = new Dimension();                             //实例化Dimension对象dim.setSize(230,80);            //设置大小f.setSize(dim);                       //设置组件大小f.setBackground(Color.WHITE);Point point = new Point(300,200);     //设置现实的坐标点f.setLocation(point);f.setVisible(true);}}

import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JLabel;//=================================================
// File Name       :    JFrame_demo
//------------------------------------------------------------------------------
// Author          :    Common//主类
//Function        :     JFrame_demo
public class JFrame_demo {public static void main(String[] args) {// TODO 自动生成的方法存根JFrame f = new JFrame("Swing窗口");                         //实例化窗体对象String picPath = "/home/common/software/database/photo.jpg";Icon icon = new ImageIcon(picPath);JLabel lab = new JLabel(icon,JLabel.CENTER);       //实例化对象，使用剧中对齐Font fnt = new Font("Serief",Font.ITALIC+Font.BOLD,28);lab.setFont(fnt);                                   //设置标签的显示字体lab.setForeground(Color.RED);    //设置标签的文字颜色f.add(lab);                                                                              //向容器中加入组建Dimension dim = new Dimension();                             //实例化Dimension对象dim.setSize(230,80);            //设置大小f.setSize(dim);                       //设置组件大小f.setBackground(Color.WHITE);Point point = new Point(300,200);     //设置现实的坐标点f.setLocation(point);f.setVisible(true);}}