学生信息管理系统java课程设计（含源代码）(9)

import com.Tools.MyFont;

public class UpdateStu extends JDialog implements ActionListener {

//定义修改学生信息的相关组件

JLabel jl1,jl2,jl3,jl4,jl5,jl6,jl7,jl8;

JTextField jtf1,jtf2,jtf3,jtf4,jtf5,jtf6,jtf7,jtf8; JButton jb1,jb2,jb3; int stuAge=0;

Double stuSourse=0.0;

//这是修改学生信息的界面函数的封装 public void upView() {

//加载数据库，获得选中的那一行的所有信息

jl1=new JLabel(\学 号：\);

//因为学号是主键，设置文本框不可编辑的同时，一般也设置标签灰色显示，以

区别其他标签

jl1.setEnabled(false);

jl1.setBounds(20, 20, 60, 25); jl1.setFont(MyFont.f1);

jl2=new JLabel(\姓 名：\); jl2.setFont(MyFont.f1);

jl2.setBounds(250, 20, 60, 25);

jl3=new JLabel(\性 别：\); jl3.setFont(MyFont.f1); jl3.setBounds(20, 60, 60, 25);

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jl4=new JLabel(\年 龄：\); jl4.setFont(MyFont.f1);

jl4.setBounds(250, 60, 60, 25);

jl5=new JLabel(\出生地：\); jl5.setFont(MyFont.f1);

jl5.setBounds(14, 100, 60, 25);

jl6=new JLabel(\专 业：\); jl6.setFont(MyFont.f1);

jl6.setBounds(20, 140, 60, 25);

jl7=new JLabel(\班 级：\); jl7.setFont(MyFont.f1);

jl7.setBounds(20, 180, 60, 25);

jl8=new JLabel(\总学分：\); jl8.setFont(MyFont.f1);

jl8.setBounds(240, 180, 60, 25);

jtf1=new JTextField(20);

//由于学号是主键，因此不能修改，即设置障碍曙jtf1不可编辑 jtf1.setEnabled(false);

jtf1.setBounds(70, 20, 130, 25);

jtf1.setBorder(BorderFactory.createLoweredBevelBorder());

jtf2=new JTextField(20);

jtf2.setBounds(300, 20, 130, 25);

jtf2.setBorder(BorderFactory.createLoweredBevelBorder());

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jtf3=new JTextField(10); jtf3.setBounds(70, 60, 60, 25);

jtf3.setBorder(BorderFactory.createLoweredBevelBorder());

jtf4=new JTextField(10);

jtf4.setBounds(300, 60, 60, 25);

jtf4.setBorder(BorderFactory.createLoweredBevelBorder());

jtf5=new JTextField(30);

jtf5.setBounds(70, 100, 360, 25);

jtf5.setBorder(BorderFactory.createLoweredBevelBorder());

jtf6=new JTextField(20);

jtf6.setBounds(70, 140, 290, 25);

jtf6.setBorder(BorderFactory.createLoweredBevelBorder());

jtf7=new JTextField(20);

jtf7.setBounds(70, 180, 130, 25);

jtf7.setBorder(BorderFactory.createLoweredBevelBorder());

jtf8=new JTextField(20);

jtf8.setBounds(300, 180, 130, 25);

jtf8.setBorder(BorderFactory.createLoweredBevelBorder());

jb1=new JButton(\修 改\); jb1.setFont(MyFont.f1);

jb1.setBounds(100, 220, 80, 25); jb1.addActionListener(this);

jb2=new JButton(\取 消\);

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jb2.setFont(MyFont.f1);

jb2.setBounds(280, 220, 80, 25); jb2.addActionListener(this);

jb3=new JButton(\清 除\); jb3.setFont(MyFont.f1); jb3.setBounds(190,220,80,25); jb3.addActionListener(this);

this.setLayout(null); //把组件添加到窗体 this.add(jl1); this.add(jtf1); this.add(jl2); this.add(jtf2); this.add(jl3); this.add(jtf3); this.add(jl4); this.add(jtf4); this.add(jl5); this.add(jtf5); this.add(jl6); this.add(jtf6); this.add(jl7); this.add(jtf7); this.add(jl8); this.add(jtf8); this.add(jb1); this.add(jb2); this.add(jb3);

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}

//因为要修改信息，那么必须要获得所选中的那一行的所有信息，把它们添加到文本

框作为默认值，因此构造方法还应添加一个参数即传递一个模型tm，并传递所选中的行号row

public

UpdateStu(Frame

Main,String

title,TableModel

tm,int

rowNo,boolean model)

{

//调用修改学生信息的界面的方法 this.upView();

//先从表模型中获取所选中的那一行数据

String stuId=(String)tm.getValueAt(rowNo, 0); System.out.println(\+stuId);

String stuName=(String)tm.getValueAt(rowNo, 1); String stuSex=(String)tm.getValueAt(rowNo, 2); String stuAge=(String)tm.getValueAt(rowNo, 3); String stuJg=(String)tm.getValueAt(rowNo, 4); String stuZy=(String)tm.getValueAt(rowNo, 5); String classId=(String)tm.getValueAt(rowNo, 6); String stuSourse=(String)tm.getValueAt(rowNo, 7); //设置文本框的默认值 jtf1.setText(stuId); jtf2.setText(stuName); jtf3.setText(stuSex); jtf4.setText(stuAge); jtf5.setText(stuJg);

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//调用父类的构造方法，实现模式对话 super(Main,title,model);