delclasspanel.java

您的文件包然后写出其具体功能(至少要20个字)。尽量不要让站长把时间都花费在为您

package Panel.UserManage;

import java.util.*;
import Sys.dao.*;
import Sys.vo.*;

public class DelClassPanel extends javax.swing.JPanel {
	private static final long serialVersionUID = 1L;

	public DelClassPanel(){
		initComponents();
		java.util.List<ClassInfo> list=null;
		ClassDao classdao=new ClassDao();
		list=classdao.getAllClass();
		Iterator<ClassInfo> iter=list.iterator();
		while(iter.hasNext()){
			jComboBox1.addItem(iter.next().getClassID());
		}
	}

	private void initComponents() {
		java.awt.GridBagConstraints gridBagConstraints;

		jLabel1 = new javax.swing.JLabel();
		jButton1 = new javax.swing.JButton();
		jComboBox1 = new javax.swing.JComboBox();
		jLabel2 = new javax.swing.JLabel();
		jScrollPane1 = new javax.swing.JScrollPane();
		jTextArea1 = new javax.swing.JTextArea();

		setLayout(new java.awt.GridBagLayout());

		jLabel1.setFont(new java.awt.Font("宋体", 1, 24));
		jLabel1.setText("删除班级信息");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
		gridBagConstraints.weightx = 5.0;
		gridBagConstraints.weighty = 0.1;
		add(jLabel1, gridBagConstraints);

		jButton1.setText("\u786e\u5b9a");
		jButton1.addActionListener(new java.awt.event.ActionListener() {
			public void actionPerformed(java.awt.event.ActionEvent evt) {
				jButton1ActionPerformed(evt);
			}
		});
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 0;
		gridBagConstraints.gridy = 3;
		gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
		gridBagConstraints.weightx = 5.0;
		gridBagConstraints.weighty = 0.1;
		add(jButton1, gridBagConstraints);

		jComboBox1.setPreferredSize(new java.awt.Dimension(180, 25));
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 1;
		gridBagConstraints.gridy = 1;
		gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
		gridBagConstraints.weightx = 5.0;
		gridBagConstraints.weighty = 0.1;
		add(jComboBox1, gridBagConstraints);

		jLabel2.setFont(new java.awt.Font("宋体", 0, 14));
		jLabel2.setText("\u9009\u62e9\u6240\u8981\u5220\u9664\u73ed\u7ea7");
		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridx = 0;
		gridBagConstraints.gridy = 1;
		gridBagConstraints.weightx = 5.0;
		gridBagConstraints.weighty = 0.1;
		add(jLabel2, gridBagConstraints);

		jScrollPane1.setBorder(javax.swing.BorderFactory.createTitledBorder(
				null, "\u5220\u9664\u8bf4\u660e",
				javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION,
				javax.swing.border.TitledBorder.DEFAULT_POSITION,
				new java.awt.Font("宋体", 0, 12), new java.awt.Color(0, 0, 0)));
		jScrollPane1.setPreferredSize(new java.awt.Dimension(500, 100));

		jTextArea1.setColumns(20);
		jTextArea1.setEditable(false);
		jTextArea1.setRows(5);
		jTextArea1
				.setText("\u73ed\u7ea7\u6709\u5b66\u751f\uff0c\u90a3\u4e48\u5c31\u4e0d\u80fd\u5220\u9664");
		jScrollPane1.setViewportView(jTextArea1);

		gridBagConstraints = new java.awt.GridBagConstraints();
		gridBagConstraints.gridwidth = java.awt.GridBagConstraints.REMAINDER;
		add(jScrollPane1, gridBagConstraints);
	}
	
	private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
		StudentInfoDao studentinfodao=new StudentInfoDao();
		boolean b=studentinfodao.getStudentClass((String)jComboBox1.getSelectedItem());
		if(b){
			ClassDao classdao=new ClassDao();
			//TeacherDao teacherdao=new TeacherDao();
			//teacherdao.delClassTeacher(teacherid)
			//这里是否要删除老师的内容，也应该要判断，这里我不实现了
			classdao.delClass(jComboBox1.getSelectedItem().toString().trim());
		}
		
	}
	
	private javax.swing.JButton jButton1;
	private javax.swing.JComboBox jComboBox1;
	private javax.swing.JLabel jLabel1;
	private javax.swing.JLabel jLabel2;
	private javax.swing.JScrollPane jScrollPane1;
	private javax.swing.JTextArea jTextArea1;
}