package salary;

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;

import java.text.NumberFormat;

public class Salary extends JFrame{

//声明标签

private JLabel numl;

private JLabel basel;

private JLabel salel;

//声明文本框

private JTextField numf;

private JTextField basef;

private JTextField salef;

//声明滚动条

private TextArea sumt;

//声明按钮

private JButton btnsure;

private JButton btnclean;

private JButton btnout;

//构造方法------------------------------------------------------------------

public Salary(){

q();

w();

r();

setSize(300, 400);

setTitle("工资发放程序");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

pack();

}

//实例化组件----------------------------------------------------------------------

private void q(){

numl=new JLabel("编号");

basel=new JLabel("基本工资");

salel=new JLabel("销售额");

numf=new JTextField();

numf.setColumns(10);

basef=new JTextField();

basef.setColumns(10);

salef=new JTextField();

salef.setColumns(10);

sumt = new TextArea();

sumt.setColumns(30);

btnsure=new JButton("工资计算");

btnclean=new JButton("清除输入");

btnout=new JButton("清除显示框内容");

}

//布局-----------------------------------------------------------------------

private void w(){

Container a = getContentPane();

//存放标签

JPanel panel1 = new JPanel(new GridLayout(3, 1));

panel1.add(numl);

panel1.add(basel);

panel1.add(salel);

//存放文本框

JPanel panel2 = new JPanel(new GridLayout(3, 1));

panel2.add(numf,new FlowLayout(FlowLayout.LEFT,10,10));

panel2.add(basef,new FlowLayout(FlowLayout.LEFT,10,10));

panel2.add(salef,new FlowLayout(FlowLayout.LEFT,10,10));

//存放文本框与标签

JPanel panel3=new JPanel(new BorderLayout());

panel3.setBorder(BorderFactory.createEmptyBorder(10, 10, 5, 10));

panel3.add(panel1,BorderLayout.LINE_START);//西

panel3.add(panel2,BorderLayout.LINE_END);//东

//存放按钮

JPanel panelBtn= new JPanel(new FlowLayout(FlowLayout.CENTER,20,20));

panelBtn.add(btnsure);

panelBtn.add(btnclean);

//面板——1

JPanel panel=new JPanel(new BorderLayout());

panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 5, 10));

panel.add(panel3,BorderLayout.PAGE_START);//北

panel.add(panelBtn,BorderLayout.CENTER);

panel.add(btnout,BorderLayout.PAGE_END);//南

//总面板

JPanel pan=new JPanel(new BorderLayout());

pan.setBorder(BorderFactory.createEmptyBorder(10, 10, 5, 10));

pan.add(panel,BorderLayout.CENTER);

pan.add(sumt,BorderLayout.LINE_END);

//

a.add(pan);

}

//--------------------------------------------------------------------------------------

private String t(){

double sum,s,b;

s=Double.parseDouble(salef.getText());

b=Double.parseDouble(basef.getText());

if(s>=30.0 && s<=299.99)

sum=s*0.05+b;

else if(s>=300.0 && s<=999.9)

sum=s*0.1+b;

else if(s>=1000.0)

sum=s*0.15+b;

else

sum=b;

String out="";

out +=String.format("%s\t%.1f\t%.1f\t%.1f\n", numf.getText(),b,s,sum);

return out;

}

//----------------------------------------------------------------------------------

private class btnsure implements ActionListener {

public void actionPerformed(ActionEvent e) {

String s="编号 \t"+"基本工资 \t"+"销售额 \t"+"工资 \n";

String s1 =s+sumt.getText();

s1 +=t();

sumt.setText(s1);

}

}

//---------------------------------------------------------------------------------------

private class btnclean implements ActionListener {

public void actionPerformed(ActionEvent e) {

numf.setText("");

basef.setText("");

salef.setText("");

}

}

//---------------------------------------------------------------------------------------

private class btnout implements ActionListener {

public void actionPerformed(ActionEvent e) {

sumt.setText("");

}

}

//---------------------------------------------------------------------------------------

private void r() {

btnsure h1 = new btnsure();

btnsure.addActionListener(h1);

btnclean h2=new btnclean();

btnclean.addActionListener(h2);

btnout h3 = new btnout();

btnout.addActionListener(h3);

}

public static void main(String[] args) {

JFrame.setDefaultLookAndFeelDecorated(true); // 窗体装饰

Salary frame = new Salary();

frame.setVisible(true);

}

}