SWT_

package com.net.ui;import java.io.IOException;import java.sql.SQLException;import java.util.ArrayList;import java.util.List;import java.util.Map;import org.eclipse.swt.SWT;import org.eclipse.swt.custom.CLabel;import org.eclipse.swt.widgets.Display;import org.eclipse.swt.widgets.Shell;import com.net.dao.DBHelper_new;import com.net.utils.Encrypt;import com.net.utils.Params;import com.net.utils.SWTUtil;import com.swtdesigner.SWTResourceManager;import org.eclipse.swt.widgets.Label;import org.eclipse.swt.widgets.Group;import org.eclipse.swt.widgets.MessageBox;import org.eclipse.swt.widgets.Text;import org.eclipse.swt.widgets.Button;import org.eclipse.swt.events.SelectionAdapter;import org.eclipse.swt.events.SelectionEvent;import org.eclipse.swt.events.DisposeListener;import org.eclipse.swt.events.DisposeEvent;import org.eclipse.swt.events.MouseAdapter;import org.eclipse.swt.events.MouseEvent;public class Login_C {protected Shell shlLogin;private Text text;private Text text_1;/** * Launch the application. * @param args */public static void main(String[] args) {try {Login_C window = new Login_C();window.open();} catch (Exception e) {e.printStackTrace();}}/** * Open the window. */public void open() {Display display = Display.getDefault();createContents();//居中显示窗口SWTUtil swtUtil = new SWTUtil();swtUtil.centerShell(display, shlLogin);Group group = new Group(shlLogin, SWT.NONE);group.setBackgroundImage(SWTResourceManager.getImage(Login_C.class, "/images/Login_background.png"));group.setFont(SWTResourceManager.getFont("宋体", 16, SWT.NORMAL));group.setText("登陆");group.setBackgroundMode(SWT.INHERIT_FORCE);group.setBounds(0, 0, 394, 274);Label label = new Label(group, SWT.NONE);label.setForeground(SWTResourceManager.getColor(SWT.COLOR_LIST_SELECTION));label.setFont(SWTResourceManager.getFont("方正舒体", 16, SWT.NORMAL));label.setBounds(10, 196, 130, 62);label.setText("酒店管理系统\n      登陆");text = new Text(group, SWT.BORDER);text.setBounds(167, 68, 137, 21);text_1 = new Text(group, SWT.BORDER | SWT.PASSWORD);text_1.setBounds(167, 137, 137, 21);Label label_1 = new Label(group, SWT.NONE);label_1.setFont(SWTResourceManager.getFont("黑体", 12, SWT.NORMAL));label_1.setBounds(167, 47, 61, 15);label_1.setText("用户名");Label label_2 = new Label(group, SWT.NONE);label_2.setFont(SWTResourceManager.getFont("黑体", 12, SWT.NORMAL));label_2.setBounds(167, 116, 61, 15);label_2.setText("密码");Button button = new Button(group, SWT.NONE);button.addSelectionListener(new SelectionAdapter() {@Overridepublic void widgetSelected(SelectionEvent e) {//先取用户名text,密码 text_1String rname = text.getText().trim().toString();String rpwd = text_1.getText().trim().toString();//使用DBHelper 查询数据库// sql语句：select * from resadmin where rname = ? and rpwd=?;String sql = "select * from resadmin where rname = ? and rpwd=?";DBHelper_new db = new DBHelper_new();List<Object> params = new ArrayList<Object>();params.add(rname);params.add(Encrypt.md5(rpwd));List<Map<String, String>> list;try {list = db.find(sql, params);if(list == null || list.size() <=0) {SWTUtil.showMessageBox(shlLogin, "登陆成功","用户名或密码错误，请确认后重新登录");}else {SWTUtil.showMessageBox(shlLogin, "登陆成功", "欢迎您" + rname);//保存登陆的用户信息到静态变量中Map<String, String> user = list.get(0);Params.rid = user.get("RID");Params.rname = user.get("RNAME");Params.rpwd = rpwd;Login_C.this.shlLogin.setVisible(false);  //这个只是隐藏而已//可以彻底关闭//Login.this.shell.dispose();Main main = new Main();main.open();}} catch (SQLException e1) {// TODO Auto-generated catch blocke1.printStackTrace();} catch (IOException e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}});button.setBounds(120, 222, 122, 39);button.setText("登陆");Button button_1 = new Button(shlLogin, SWT.NONE);button_1.addSelectionListener(new SelectionAdapter() {@Overridepublic void widgetSelected(SelectionEvent e) {MessageBox mb = new MessageBox(shlLogin,SWT.YES|SWT.NO);mb.setText("提示！");mb.setMessage("确定要退出吗?");int result = mb.open();if( result == SWT.YES)   //这里实际上是64，no 是128System.exit(0);}});button.setFont(SWTResourceManager.getFont("微软雅黑", 10, SWT.NORMAL));button.setBounds(194, 195, 85, 29);button.setText("登陆");Label label_3 = new Label(group, SWT.NONE);label_3.addMouseListener(new MouseAdapter() {@Overridepublic void mouseDown(MouseEvent e) {MessageBox mb = new MessageBox(shlLogin,SWT.YES|SWT.NO|SWT.ICON_QUESTION);mb.setText("提示！");mb.setMessage("确定要退出吗?");int result = mb.open();if( result == SWT.YES)   //这里实际上是64，no 是128System.exit(0);}});label_3.setBounds(361, 253, 33, 21);label_3.setText("退出");shlLogin.open();shlLogin.layout();while (!shlLogin.isDisposed()) {if (!display.readAndDispatch()) {display.sleep();}}}/** * Create contents of the window. */protected void createContents() {shlLogin = new Shell(SWT.BORDER);shlLogin.setBackgroundMode(SWT.INHERIT_FORCE);shlLogin.setBackgroundImage(SWTResourceManager.getImage(Login_C.class, "/com/net/ui/Login_background.png"));shlLogin.setImage(SWTResourceManager.getImage(Login_C.class, "/images/login.png"));shlLogin.setSize(400, 280);shlLogin.setText("Login");}}

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