一.Servlet简介

  • Servlet是sun公司提供的一门用于开发动态web资源的技术。
  • Sun公司在其API中提供了一个servlet接口。
  • 用户若想用发一个动态web资源(即开发一个Java程序向浏览器输出数据),需要完成以下2个步骤:

  1、编写一个Java类,实现servlet接口。
  2、把开发好的Java类部署到web服务器中。

  • 按照一种约定俗成的称呼习惯,通常我们也把实现了servlet接口的java程序,称之为Servlet。

二.Servlet的运行流程以及图解:

  • Servlet程序是由WEB服务器调用,web服务器收到客户端的Servlet访问请求后:

  ①Web服务器首先检查是否已经装载并创建了该Servlet的实例对象。如果是,则直接执行第④步,否则,执行第②步。
  ②装载并创建该Servlet的一个实例对象。 
  ③调用Servlet实例对象的init()方,public void init(ServletConfig config):ServletConfig是封装web.xml初始化参数。
  ④创建一个用于封装HTTP请求消息的HttpServletRequest对象和一个代表HTTP响应消息的HttpServletResponse对象,然后调用Servlet的service()方法并将请求和响应对象作为参数传递进去。
  ⑤WEB应用程序被停止或重新启动之前,Servlet引擎将卸载Servlet,并在卸载之前调用Servlet的destroy()方法。 
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" 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" 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" 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" 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" alt="" />

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三.Servlet调用图解:

 

四.在Eclipse中开发Servlet

4.1、Servlet接口实现类

  • Servlet接口SUN公司定义了两个默认实现类,分别为:GenericServlet、HttpServlet。
  • HttpServlet指能够处理HTTP请求的servlet,它在原有Servlet接口上添加了一些与HTTP协议处理方法,它比Servlet接口的功能更为强大。因此开发人员在编写Servlet时,通常应继承这个类,而避免直接去实现Servlet接口。
  • HttpServlet在实现Servlet接口时,覆写了service方法,该方法体内的代码会自动判断用户的请求方式,如为GET请求,则调用HttpServlet的doGet方法,如为Post请求,则调用doPost方法。因此,开发人员在编写Servlet时,通常只需要覆写doGet或doPost方法,而不要去覆写service方法。

4.2、Http中的get和post区别

  • Http定义了与服务器交互的不同方法,最基本的方法有4种,分别是GET,POST,PUT,DELETE。URL全称是资源描述符,我们可以这样认为:一个URL地址,它用于描述一个网络上的资源,而HTTP中的GET,POST,PUT,DELETE就对应着对这个资源的查,改,增,删4个操作。到这里,大家应该有个大概的了解了,GET一般用于获取/查询资源信息,而POST一般用于更新资源信息。
  • GET请求一般不应产生副作用。就是说,它仅仅是获取资源信息,就像数据库查询一样,不会修改,增加数据,不会影响资源的状态。比如,新闻站点的头版不断更新。虽然第二次请求会返回不同的一批新闻,该操作仍然被认为是安全的和幂等的,因为它总是返回当前的新闻。从根本上说,如果目标是当用户打开一个链接时,他可以确信从自身的角度来看没有改变资源即可。get发送数据显示在url地址栏中,不安全。
  • POST表示可能修改变服务器上的资源的请求。继续引用上面的例子:还是新闻以网站为例,读者对新闻发表自己的评论应该通过POST实现,因为在评论提交后站点的资源已经不同了,或者说资源被修改了。post发送数据是直接由服务器操作,安全性高。
  • 总结一下,Get是向服务器发索取数据的一种请求,而Post是向服务器提交数据的一种请求,在FORM(表单)中,Method默认为"GET",实质上,GET和POST只是发送机制不同,并不是一个取一个发!

4.3、通过Eclipse创建和编写Servlet:

代码如下:

package xu.sha.servletDemo;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse; /**
* Servlet implementation class Servlet03
*/
@WebServlet(description = "ServletDemo03", urlPatterns = { "/Servlet03" })
public class Servlet03 extends HttpServlet {
private static final long serialVersionUID = 1L; /**
* @see HttpServlet#HttpServlet()
*/
public Servlet03() {
super();
// TODO Auto-generated constructor stub
} /**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
response.getWriter().append("Served at: ").append(request.getContextPath());
} /**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
} }

注意web部署的两种方法:

1.@WebServlet(description = "ServletDemo03", urlPatterns = { "/Servlet03" })

  • Servlet3.0提供了注解(annotation),使得不再需要在web.xml文件中进行Servlet的部署描述。
  • 在Servlet3.0中,可以使用@WebServlet注解将一个继承于javax.servlet.http.HttpServlet的类标注为可以处理用户请求的Servlet。
@WebServlet注解的相关属性
NO. 属性名 描述
1 asyncSupported 声明Servlet是否支持异步操作模式
2 description Servlet的描述信息
3 displayName Servlet的显示名称
3 initParams Servlet的初始化参数
5 name Servlet的名称
6 urlPatterns Servlet的访问URL
7 value Servlet的访问URL
  • Servlet的访问URL是Servlet的必选属性,可以选择使用urlPatterns或者value定义。
  • 像上面的Servlet3Demo可以描述成@WebServlet(name="Servlet3Demo",value="/Servlet3Demo")。
  • 也定义多个URL访问:

    1.如@WebServlet(name="Servlet3Demo",urlPatterns={"/Servlet3Demo","/Servlet3Demo2"})
    2.或者@WebServlet(name="AnnotationServlet",value={"/Servlet3Demo","/Servlet3Demo2"})

2.web.xml文件中也多了<servlet></servlet>和<servlet-mapping></servlet-mapping>两对标签,这两对标签是配置Servlet03的,代码如下:

  <servlet>
<servlet-name>ServletDemo02</servlet-name>
<servlet-class>xu.sha.servletDemo.Servlet02</servlet-class>
</servlet> <servlet-mapping>
<servlet-name>ServletDemo02</servlet-name>
<url-pattern>/Servlet02</url-pattern>
</servlet-mapping>

 

五.Servlet开发注意细节

5.1、Servlet访问URL映射配置

  • 由于客户端是通过URL地址访问web服务器中的资源,所以Servlet程序若想被外界访问,必须把servlet程序映射到一个URL地址上,这个工作在web.xml文件中使用<servlet>元素和<servlet-mapping>元素完成。
  • <servlet>元素用于注册Servlet,它包含有两个主要的子元素:<servlet-name>和<servlet-class>,分别用于设置Servlet的注册名称和Servlet的完整类名。
  • 一个<servlet-mapping>元素用于映射一个已注册的Servlet的一个对外访问路径,它包含有两个子元素:<servlet-name>和<url-pattern>,分别用于指定Servlet的注册名称和Servlet的对外访问路径。

代码如下:

 <servlet>
<servlet-name>ServletDemo02</servlet-name>
<servlet-class>xu.sha.servletDemo.Servlet02</servlet-class>
</servlet> <servlet-mapping>
<servlet-name>ServletDemo02</servlet-name>
<url-pattern>/Servlet02</url-pattern>
</servlet-mapping>

  

  • 同一个Servlet可以被映射到多个URL上,即多个<servlet-mapping>元素的<servlet-name>子元素的设置值可以是同一个Servlet的注册名。

代码如下:

  <servlet>
<servlet-name>ServletDemo03</servlet-name>
<servlet-class>xu.sha.servletDemo.Servlet03</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ServletDemo03</servlet-name>
<url-pattern>/Servlet03</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ServletDemo03</servlet-name>
<url-pattern>/C.php</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ServletDemo03</servlet-name>
<url-pattern>/A.jsp</url-pattern>
</servlet-mapping>
<servlet-mapping>
<servlet-name>ServletDemo03</servlet-name>
<url-pattern>/B.html</url-pattern>
</servlet-mapping>

  

  通过上面的配置,当我们想访问名称是Servlet03的Servlet,可以使用如下的几个地址去访问:

   http://localhost:8080/web.project/Servlet03

   http://localhost:8080/web.project/A.jsp

   http://localhost:8080/web.project/B.html

   http://localhost:8080/web.project/C.php

  Servlet03被映射到了多个URL上。

5.2、Servlet访问URL使用*通配符映射  

在Servlet映射到的URL中也可以使用*通配符,但是只能有两种固定的格式:一种格式是"*.扩展名",另一种格式是以正斜杠(/)开头并以"/*"结尾。例如:

  aaarticlea/png;base64,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" alt="" />

  *可以匹配任意的字符,所以此时可以用任意的URL去访问ServletDemo1这个Servlet。

 

对于如下的一些映射关系:
  Servlet1 映射到 /abc/* 
  Servlet2 映射到 /* 
  Servlet3 映射到 /abc 
  Servlet4 映射到 *.do 
问题:
  当请求URL为“/abc/a.html”,“/abc/*”和“/*”都匹配,哪个servlet响应
      Servlet引擎将调用Servlet1。
  当请求URL为“/abc”时,“/abc/*”和“/abc”都匹配,哪个servlet响应
      Servlet引擎将调用Servlet3。
  当请求URL为“/abc/a.do”时,“/abc/*”和“*.do”都匹配,哪个servlet响应
      Servlet引擎将调用Servlet1。
  当请求URL为“/a.do”时,“/*”和“*.do”都匹配,哪个servlet响应
      Servlet引擎将调用Servlet2。
  当请求URL为“/xxx/yyy/a.do”时,“/*”和“*.do”都匹配,哪个servlet响应
      Servlet引擎将调用Servlet2。
  匹配的原则就是"谁长得更像就找谁"

5.3、Servlet与普通Java类的区别  

  • Servlet是一个供其他Java程序(Servlet引擎)调用的Java类,它不能独立运行,它的运行完全由Servlet引擎来控制和调度。
  • 针对客户端的多次Servlet请求,通常情况下,服务器只会创建一个Servlet实例对象,也就是说Servlet实例对象一旦创建,它就会驻留在内存中,为后续的其它请求服务,直至web容器退出,servlet实例对象才会销毁。
  • 在Servlet的整个生命周期内,Servlet的init方法只被调用一次。而对一个Servlet的每次访问请求都导致Servlet引擎调用一次servlet的service方法。对于每次访问请求,Servlet引擎都会创建一个新的HttpServletRequest请求对象和一个新的HttpServletResponse响应对象,然后将这两个对象作为参数传递给它调用的Servlet的service()方法,service方法再根据请求方式分别调用doXXX方法。
  • 如果在<servlet>元素中配置了一个<load-on-startup>元素,那么WEB应用程序在启动时,就会装载并创建Servlet的实例对象、以及调用Servlet实例对象的init()方法。

举例:
    <servlet>
        <servlet-name>invoker</servlet-name>
        <servlet-class>
            org.apache.catalina.servlets.InvokerServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

  用途:为web应用写一个InitServlet,这个servlet配置为启动时装载,为整个web应用创建必要的数据库表和数据。

5.4、缺省Servlet

  如果某个Servlet的映射路径仅仅为一个正斜杠(/),那么这个Servlet就成为当前Web应用程序的缺省Servlet。 
  凡是在web.xml文件中找不到匹配的<servlet-mapping>元素的URL,它们的访问请求都将交给缺省Servlet处理,也就是说,缺省Servlet用于处理所有其他Servlet都不处理的访问请求。

代码如下:

  

<servlet>
<servlet-name>ServletDemo03</servlet-name>
<servlet-class>xu.sha.servletDemo.Servlet03</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>ServletDemo03</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

  

  

  在<tomcat的安装目录>\conf\web.xml文件中,注册了一个名称为org.apache.catalina.servlets.DefaultServlet的Servlet,并将这个Servlet设置为了缺省Servlet。

代码如下:

<servlet>
<servlet-name>default</servlet-name>
<servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
<init-param>
<param-name>debug</param-name>
<param-value>0</param-value>
</init-param>
<init-param>
<param-name>listings</param-name>
<param-value>false</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet> <servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

  

  当访问Tomcat服务器中的某个静态HTML文件和图片时,实际上是在访问这个缺省Servlet。

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