『壹』 网页源代码的基本结构是什么
如图:
(1)jsp字体粗体扩展阅读:
标签详解:
1.<!doctype>:是声明用哪个 HTML 版本进行编写的指令。并不是 HTML 标签。<!doctype html>:html5网页声明,表示网页采用html5。
2.<meta>:提供有关页面的元信息(针对搜索引擎和更新频度的描述和关键词等),写在<head>标签内。
a)<meta charset="UTF-8">:设置页面的编码格式UTF-8;
b)<meta name="Generator" content="EditPlus">:说明生成工具为EditPlus;
c)<meta name="Author" content="">:告诉搜索引擎站点制作的作者;
d)<meta name="Keywords" content="">:告诉搜索引擎网站的关键字;
e)<meta name="Description" content="">:告诉搜索引擎网站的内容;
这个功能要全些!
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.dbswing.*;
import java.io.*;
import javax.swing.text.*;
import javax.swing.event.*;
/**
* <p>Title: </p>
* <p>Description: </p>
* <p>Copyright: Copyright (c) 2005</p>
* <p>Company: </p>
* @author not attributable
* @version 1.0
*/
public class Frame1 extends JFrame {
JPanel contentPane;
JMenuBar jMenuBar1 = new JMenuBar();
JMenu jMenuFile = new JMenu();
JMenuItem jMenuFileExit = new JMenuItem();
JMenu jMenuHelp = new JMenu();
JMenuItem jMenuHelpAbout = new JMenuItem();
JLabel statusBar = new JLabel();
BorderLayout borderLayout1 = new BorderLayout();
JScrollPane jScrollPane1 = new JScrollPane();
JTextArea jTextArea1 = new JTextArea();
JMenu jMenu1 = new JMenu();
JMenu jMenu2 = new JMenu();
JMenuItem jMenuItem1 = new JMenuItem();
JMenuItem jMenuItem2 = new JMenuItem();
JMenuItem jMenuItem3 = new JMenuItem();
JMenuItem jMenuItem4 = new JMenuItem();
JMenuItem jMenuItem5 = new JMenuItem();
JMenuItem jMenuItem6 = new JMenuItem();
JMenuItem jMenuItem7 = new JMenuItem();
JMenuItem jMenuItem9 = new JMenuItem();
JMenuItem jMenuItem10 = new JMenuItem();
JMenuItem jMenuItem11 = new JMenuItem();
FontChooser fontChooser1 = new FontChooser();
JCheckBoxMenuItem jCheckBoxMenuItem1 = new JCheckBoxMenuItem();
JFileChooser jFileChooser1 = new JFileChooser();
String currentFileName=null;
boolean motified=false;
Document document1;
//Construct the frame
public Frame1() {
enableEvents(AWTEvent.WINDOW_EVENT_MASK);
try {
jbInit();
}
catch(Exception e) {
e.printStackTrace();
}
}
//Component initialization
private void jbInit() throws Exception {
contentPane = (JPanel) this.getContentPane();
document1 = jTextArea1.getDocument();
contentPane.setLayout(borderLayout1);
this.setSize(new Dimension(600, 400));
this.setTitle("文本编辑器");
statusBar.setText(" ");
jMenuFile.setText("文件");
jMenuFileExit.setText("退出");
jMenuFileExit.addActionListener(new Frame1_jMenuFileExit_ActionAdapter(this));
jMenuHelp.setText("帮助");
jMenuHelpAbout.setText("关于");
jMenuHelpAbout.addActionListener(new Frame1_jMenuHelpAbout_ActionAdapter(this));
jTextArea1.setText("");
jMenu1.setText("编辑");
jMenu2.setText("格式");
jMenuItem4.setText("新建");
jMenuItem4.addActionListener(new Frame1_jMenuItem4_actionAdapter(this));
jMenuItem3.setText("打开");
jMenuItem3.addActionListener(new Frame1_jMenuItem3_actionAdapter(this));
jMenuItem2.setText("保存");
jMenuItem2.addActionListener(new Frame1_jMenuItem2_actionAdapter(this));
jMenuItem1.setText("另存为");
jMenuItem1.addActionListener(new Frame1_jMenuItem1_actionAdapter(this));
jMenuItem5.setText("剪切");
jMenuItem5.addActionListener(new Frame1_jMenuItem5_actionAdapter(this));
jMenuItem6.setText("复制");
jMenuItem6.addActionListener(new Frame1_jMenuItem6_actionAdapter(this));
jMenuItem7.setText("粘贴");
jMenuItem7.addActionListener(new Frame1_jMenuItem7_actionAdapter(this));
jMenuItem9.setText("字体");
jMenuItem9.addActionListener(new Frame1_jMenuItem9_actionAdapter(this));
jMenuItem10.setText("前景色");
jMenuItem10.addActionListener(new Frame1_jMenuItem10_actionAdapter(this));
jMenuItem11.setText("背景色");
fontChooser1.setFrame(this);
fontChooser1.setTitle("字体");
jCheckBoxMenuItem1.setText("自动换行");
jCheckBoxMenuItem1.addActionListener(new Frame1_jCheckBoxMenuItem1_actionAdapter(this));
document1.addDocumentListener(new Frame1_document1_documentAdapter(this));
jMenuFile.add(jMenuItem4);
jMenuFile.add(jMenuItem3);
jMenuFile.add(jMenuItem2);
jMenuFile.add(jMenuItem1);
jMenuFile.addSeparator();
jMenuFile.add(jMenuFileExit);
jMenuHelp.add(jMenuHelpAbout);
jMenuBar1.add(jMenuFile);
jMenuBar1.add(jMenu1);
jMenuBar1.add(jMenu2);
jMenuBar1.add(jMenuHelp);
this.setJMenuBar(jMenuBar1);
contentPane.add(statusBar, BorderLayout.SOUTH);
contentPane.add(jScrollPane1, BorderLayout.CENTER);
jScrollPane1.getViewport().add(jTextArea1, null);
jMenu1.add(jMenuItem5);
jMenu1.add(jMenuItem6);
jMenu1.add(jMenuItem7);
jMenu2.add(jCheckBoxMenuItem1);
jMenu2.add(jMenuItem9);
jMenu2.add(jMenuItem10);
jMenu2.add(jMenuItem11);
}
//File | Exit action performed
public void jMenuFileExit_actionPerformed(ActionEvent e) {
if(giveUp())
System.exit(0);
}
//Help | About action performed
public void jMenuHelpAbout_actionPerformed(ActionEvent e) {
Frame1_AboutBox dlg = new Frame1_AboutBox(this);
Dimension dlgSize = dlg.getPreferredSize();
Dimension frmSize = getSize();
Point loc = getLocation();
dlg.setLocation((frmSize.width - dlgSize.width) / 2 + loc.x, (frmSize.height - dlgSize.height) / 2 + loc.y);
dlg.setModal(true);
dlg.pack();
dlg.show();
}
//Overridden so we can exit when window is closed
protected void processWindowEvent(WindowEvent e) {
//super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSING) {
jMenuFileExit_actionPerformed(null);
}
}
void jMenuItem9_actionPerformed(ActionEvent e) {
fontChooser1.setSelectedFont(jTextArea1.getFont());
if(fontChooser1.showDialog())
jTextArea1.setFont(fontChooser1.getSelectedFont());
this.repaint();
}
void jMenuItem10_actionPerformed(ActionEvent e) {
Color color=JColorChooser.showDialog(this,"前景色",jTextArea1.getForeground());
if(color!=null)
jTextArea1.setForeground(color);
this.repaint();
}
void jCheckBoxMenuItem1_actionPerformed(ActionEvent e) {
jTextArea1.setLineWrap(jCheckBoxMenuItem1.isSelected());
}
void jMenuItem5_actionPerformed(ActionEvent e) {
jTextArea1.cut();
}
void jMenuItem7_actionPerformed(ActionEvent e) {
jTextArea1.paste();
}
void jMenuItem6_actionPerformed(ActionEvent e) {
jTextArea1.();
}
void jMenuItem4_actionPerformed(ActionEvent e) {
if(giveUp()){
jTextArea1.setText("");
currentFileName=null;
motified=false;
}
}
void jMenuItem3_actionPerformed(ActionEvent e) {
if(!giveUp()){
return;
}
if(JFileChooser.APPROVE_OPTION==jFileChooser1.showOpenDialog(this)){
openFile(jFileChooser1.getSelectedFile().getPath());
this.repaint();
}
}
void openFile(String fileName){
try{
File file=new File(fileName);
int size=(int)file.length();
int chars_read=0;
FileReader in=new FileReader(file);
char[] data=new char[size];
while(in.ready()){
chars_read+=in.read(data,chars_read,size-chars_read);
}
jTextArea1.setText(new String(data,0,chars_read));
this.currentFileName=fileName;
this.motified=false;
}
catch(IOException e){
jTextArea1.setText("打开文件"+fileName+"错");
}
}
boolean saveFile(){
if(currentFileName==null)
return saveAsFile();
try{
FileWriter out=new FileWriter(currentFileName);
String text=jTextArea1.getText();
out.write(text);
out.close();
this.motified=false;
return true;
}
catch(IOException e){
}
return false;
}
boolean saveAsFile(){
if(JFileChooser.APPROVE_OPTION==jFileChooser1.showSaveDialog(this)){
currentFileName=jFileChooser1.getSelectedFile().getPath();
return saveFile();
}else{
return false;
}
}
void jMenuItem2_actionPerformed(ActionEvent e) {
saveFile();
}
void jMenuItem1_actionPerformed(ActionEvent e) {
saveAsFile();
}
void document1_changedUpdate(DocumentEvent e) {
motified=true;
}
void document1_insertUpdate(DocumentEvent e) {
motified=true;
}
void document1_removeUpdate(DocumentEvent e) {
motified=true;
}
boolean giveUp(){
if(!motified)
return true;
int temp=JOptionPane.showConfirmDialog(this,"保存修改吗?","Text Edit",JOptionPane.YES_NO_CANCEL_OPTION);
switch(temp){
case JOptionPane.YES_OPTION: return saveFile();
case JOptionPane.NO_OPTION: return true;
case JOptionPane.CANCEL_OPTION:
default:
return false;
}
}
}
class Frame1_jMenuFileExit_ActionAdapter implements ActionListener {
Frame1 adaptee;
Frame1_jMenuFileExit_ActionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuFileExit_actionPerformed(e);
}
}
class Frame1_jMenuHelpAbout_ActionAdapter implements ActionListener {
Frame1 adaptee;
Frame1_jMenuHelpAbout_ActionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuHelpAbout_actionPerformed(e);
}
}
class Frame1_jMenuItem9_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem9_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem9_actionPerformed(e);
}
}
class Frame1_jMenuItem10_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem10_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem10_actionPerformed(e);
}
}
class Frame1_jCheckBoxMenuItem1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jCheckBoxMenuItem1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jCheckBoxMenuItem1_actionPerformed(e);
}
}
class Frame1_jMenuItem5_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem5_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem5_actionPerformed(e);
}
}
class Frame1_jMenuItem7_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem7_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem7_actionPerformed(e);
}
}
class Frame1_jMenuItem6_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem6_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem6_actionPerformed(e);
}
}
class Frame1_jMenuItem4_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem4_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem4_actionPerformed(e);
}
}
class Frame1_jMenuItem3_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem3_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem3_actionPerformed(e);
}
}
class Frame1_jMenuItem2_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem2_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem2_actionPerformed(e);
}
}
class Frame1_jMenuItem1_actionAdapter implements java.awt.event.ActionListener {
Frame1 adaptee;
Frame1_jMenuItem1_actionAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void actionPerformed(ActionEvent e) {
adaptee.jMenuItem1_actionPerformed(e);
}
}
class Frame1_document1_documentAdapter implements javax.swing.event.DocumentListener {
Frame1 adaptee;
Frame1_document1_documentAdapter(Frame1 adaptee) {
this.adaptee = adaptee;
}
public void insertUpdate(DocumentEvent e) {
adaptee.document1_insertUpdate(e);
}
public void removeUpdate(DocumentEvent e) {
adaptee.document1_removeUpdate(e);
}
public void changedUpdate(DocumentEvent e) {
adaptee.document1_changedUpdate(e);
}
}
『叁』 主页,网页和网站三者之间有什么关系
网页和网站的区别:网站是一个整体,网页是一个个体,一个网站是由很多网页构建而成。网页与网站的区别简单的来说:网站是由网页集合而成的,而大家通过浏览器所看到的画面就是网页,网页说具体了是一个html文件,浏览器是用来解读这份文件的。也可以这样说:网页是有许多html文件集合而成。网页制作很简单,你打开记事本,在上面随便写点字,保存,文件名随便起,但扩展名必须写:"htm"
然后打开你的XXX.HTM这个文件,你看到的就是你做的第一个网页.
接下来,把这个HTM文件重命名为TXT文件,把里面内容清空,写上 <b>hello word</b>,保存为HTM文件.双击看看,字体加粗了.很好,这里的<b></b>就是HTML语言.
在复杂一下:用上面的方法,输入<font color='#ff0000'><b>hello word</b></font>
再看看效果,红色的粗体....
HTML语言有很多,想详细了解QQ找我~!
制作网站,分:偏设计类,偏程序类.
偏设计类,在工具软件使用上不需要很精通,也不需要很多,专业的设计软件例如photoshop,专业的动画制作例如FLASH.在偏设计方面,更需要具备的是良好的色彩搭配,空间想象力(面对一张白纸去想象上面该放什么东西能做出我需要的网站),这个虽然可以在后天锻炼出来,但先天具备更有优势,这也是常说的右脑人才.
偏程序类,需要的东西有很多.
1,首先先学会使用一种程序软件,现在做网站大多使用dreamveaver.
2,学习基本的网页语言(HTML语言),要知道现在你在IE里看到的所有东西都是由这个语言写出来的.
3,扩展的功能语言,比如JAVASCRIPT(这个语言可以帮你做出网页的各种特效)
4,内部程序语言,比如ASP,PHP,JSP,VB.NET等
5,使用数据库,比如ACCESS,SQLSEVER,MYSQL等
4和5是一个网站的功能实现
根据网站的属性去决定使用什么语言,比如一般性的网站使用ASP毕竟能做的快点,保密性安全性要求高的使用JSP做,比如你看看各个银行网站都是.JSP的页面,对流量有高要求的,使用PHP做,毕竟PHP搭配的MYSQL数据库是效率和CPU占用率是最低的.
希望对你有用吧
『肆』 jsp怎么通过数据库配置文件连接数据库急急急 在线等!
假设有一个连接数据库的属性配置文件jdbc.properties,
文件内容如下:
jdbc.driver=com.microsoft.jdbc.sqlserver.SQLServerDriver
jdbc.url=jdbc:microsoft:sqlserver://10.0.0.168:1433;
jdbc.username=sa
jdbc.password=sa
jndi.databaseName=northwind
那么如何使用配置文件呢?其实很简单
我们创建如下类:
/*
* Created on 2005-8-15
*This class is created to test the using of the propertie
s file
* TODO To change the template for this generated file go t
o
* Window - Preferences - Java - Code Style - Code Template
s
*/
package zy.pro.wd.demo;
import java.io.FileInputStream;
import java.util.Properties;
public class PropertiesDemo {
/**
*
*/
public PropertiesDemo() {
super();
// TODO Auto-generated constructor stub
}
public void testPropertiesFile(){
try{
Properties pro = new Properties();
pro.load(new FileInputStream("src/jdbc.properties"));
System.out.println(pro.getProperty("jdbc.driver"));
System.out.println(pro.getProperty("jdbc.url"));
}catch(Exception e){
e.printStackTrace();
}
}
public static void main(String[] args) {
PropertiesDemo pd=new PropertiesDemo();
pd.testPropertiesFile();
}
}
粗体部分是主要部分,通过load()方法来加载配置文件,然后通过getProperty()方法
来取得配置文件中的属性。
注意:取得配置文件的相对路径一定要正确,否则,将会抛出找不到文件的异常。
我的配置文件路径如下图:
程序输出结果如下:
com.microsoft.jdbc.sqlserver.SQLServerDriver
jdbc:microsoft:sqlserver://10.0.0.168:1433;
此程序在Eclipse3.0下调试通过。