adduser.java

一个球员管理系统

/*
 * adduser.java
 */

package playermanager;
import java.sql.*;
import javax.swing.JOptionPane;

public class adduser extends javax.swing.JFrame {
   
    String name,password,pw1,pw2;
    MainJFrame MF=new MainJFrame();
    /** Creates new form adduser */
    public adduser() {
        initComponents();
    }
    
    private void add(){
    name=jTextField1.getText();
    pw1=jPasswordField1.getText();
    pw2=jPasswordField2.getText();
    
     if(pw1.equals(pw2)){
        password=pw1;
      

    if(name.length()==0||pw1.length()==0||pw2.length()==0)
        JOptionPane.showMessageDialog(this,"请添加完整信息！");
    else
      {
         try{
        Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver").newInstance();
        String url="jdbc:sqlserver://127.0.0.1:1433;";
        Connection conn=DriverManager.getConnection(url,"sa","123");
        conn.setCatalog("data");
       
        String sql="INSERT INTO usernp VALUES(?,?)";
        PreparedStatement ps=conn.prepareStatement(sql);
        ps.setString(1,name);
        ps.setString(2,password);
       
        ps.executeUpdate();
       conn.close();
       JOptionPane.showMessageDialog(this,"添加成功!");
        
        clearForm();
      }
      catch(SQLException e){
        System.out.println("Error Code "+ e.getErrorCode());
        System.out.println("Erroe MMessage="+e.getMessage());
      }
      catch(Exception e){
        e.printStackTrace();
      }
     }
  
 
     }else{
        JOptionPane.showMessageDialog(this,"新密码输入错误，请重新输入！");
         clearForm();
         }
    
    }
    
    private void clearForm(){
    jTextField1.setText("");
    jPasswordField1.setText("");
    jPasswordField2.setText("");
    jTextField1.requestFocus();
      }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc=" 生成的代码 ">//GEN-BEGIN:initComponents
    private void initComponents() {
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();
        jButton2 = new javax.swing.JButton();
        jPasswordField1 = new javax.swing.JPasswordField();
        jLabel3 = new javax.swing.JLabel();
        jPasswordField2 = new javax.swing.JPasswordField();
        jButton3 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);
        setTitle("\u6dfb\u52a0\u7ba1\u7406\u5458");
        setResizable(false);
        jLabel1.setText("\u7528\u6237\u540d \uff1a ");

        jLabel2.setText("  \u5bc6\u7801 \uff1a ");

        jButton1.setText("\u6dfb\u52a0 ");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        jButton2.setText("\u53d6\u6d88");
        jButton2.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton2MouseClicked(evt);
            }
        });

        jLabel3.setText(" \u786e\u8ba4\u5bc6\u7801 \uff1a ");

        jButton3.setText("\u6e05\u7a7a");
        jButton3.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                jButton3MouseClicked(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(65, 65, 65)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel2)
                            .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 75, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(49, 49, 49)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jButton1)
                            .addComponent(jLabel3))))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE)
                            .addComponent(jPasswordField1, javax.swing.GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE)
                            .addComponent(jPasswordField2, javax.swing.GroupLayout.DEFAULT_SIZE, 171, Short.MAX_VALUE))
                        .addGap(115, 115, 115))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(jButton3, javax.swing.GroupLayout.PREFERRED_SIZE, 70, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(49, 49, 49)
                        .addComponent(jButton2)
                        .addGap(65, 65, 65))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(30, 30, 30)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 37, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(17, 17, 17)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 24, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(21, 21, 21)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(jPasswordField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(58, 58, 58)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jButton1)
                    .addComponent(jButton3)
                    .addComponent(jButton2))
                .addContainerGap(57, Short.MAX_VALUE))
        );
        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void jButton3MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton3MouseClicked
// 清空文本框
        clearForm();
    }//GEN-LAST:event_jButton3MouseClicked

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jButton1ActionPerformed
// 添加 按钮 
        add();
    }//GEN-LAST:event_jButton1ActionPerformed

    private void jButton2MouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_jButton2MouseClicked
// 点击取消 返回主窗口
                MF.setVisible(true);
               this.setVisible(false);
       
    }//GEN-LAST:event_jButton2MouseClicked
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new adduser().setVisible(true);
            }
        });
    }
    
    // 变量声明 - 不进行修改//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JButton jButton2;
    private javax.swing.JButton jButton3;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JPasswordField jPasswordField1;
    private javax.swing.JPasswordField jPasswordField2;
    private javax.swing.JTextField jTextField1;
    // 变量声明结束//GEN-END:variables
    
}