del_user_c.java

很好的Java绘图程序源代码

package project;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JOptionPane;
import java.sql.ResultSet;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2007</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class Del_user_C {
  JFrame mainframe = null;
  JPanel Del_user_C_panel = null;
  public Del_user_C(JFrame mainframe, JPanel Del_user_C_panel) {
    this.mainframe = mainframe;
    this.Del_user_C_panel = Del_user_C_panel;
  }

  public int Del_user_C(String name_text){
    if(name_text.equals("")){
      JOptionPane.showMessageDialog(this.mainframe, "请选择要删除的用户！",
                                      "提示", JOptionPane.INFORMATION_MESSAGE);
      return 0;
    }
    if(name_text.equals("adm")){
      JOptionPane.showMessageDialog(this.mainframe, "您不能删除这个用户！",
                                        "提示", JOptionPane.INFORMATION_MESSAGE);
        return 1;
    }
    DataBase db = new DataBase();
    String sql = "delete from login_table where loginName='"+name_text+"'";
    int ans = JOptionPane.showConfirmDialog(this.mainframe,"真的要删除这个用户么?","提示",JOptionPane.INFORMATION_MESSAGE);
    if(ans == JOptionPane.OK_OPTION){
          int res = db.executeUpdate(sql);
          db.close();
          if(res > 0){
            JOptionPane.showMessageDialog(this.mainframe, "删除用户成功！",
                                      "提示", JOptionPane.INFORMATION_MESSAGE);
             return 2;
           }else{
             JOptionPane.showMessageDialog(this.mainframe, "删除用户失败！",
                                      "提示", JOptionPane.INFORMATION_MESSAGE);
          return 3;

          }

    }else{
      return 4;

    }
  }
}