「java就业班」2019从网页搭建入门JavaWeb
<h1 style="color: black; text-align: left; margin-bottom: 10px;">「java就业班」2019从网页搭建入门JavaWeb</h1>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-axegupay5k/60741fc925e54588b76023da2a0a0fde~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1722654020&x-signature=boOWYQ%2B8dEs%2B1sWokynR1kBbQfo%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">来百度APP畅享高清<span style="color: black;">照片</span></span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">//下栽のke:chaoxingit.com/1534/</span></strong></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">从网页搭建入门到JavaWeb:2019版详解</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">1、</span>引言</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">随着互联网技术的飞速发展,JavaWeb<span style="color: black;">已然</span><span style="color: black;">作为</span>了一种非常流行的<span style="color: black;">研发</span>技术。<span style="color: black;">经过</span>JavaWeb,<span style="color: black;">咱们</span><span style="color: black;">能够</span>快速地构建出功能强大、安全<span style="color: black;">靠谱</span>的Web应用程序。本文将<span style="color: black;">仔细</span>介绍<span style="color: black;">怎样</span>从网页搭建入门到JavaWeb,<span style="color: black;">帮忙</span>你<span style="color: black;">把握</span>这门技术。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">2、</span>JavaWeb简介</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">JavaWeb指的是<span style="color: black;">运用</span>Java技术<span style="color: black;">研发</span>的Web应用程序。它是基于Java平台的一种<span style="color: black;">研发</span>模式,用于构建和<span style="color: black;">安排</span>在Web服务器上运行的应用程序。JavaWeb<span style="color: black;">一般</span><span style="color: black;">触及</span>以下关键组件和技术:</span></span></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Servlet:</span></strong><span style="color: black;"> Servlet是Java编写的服务器端程序,<span style="color: black;">重点</span>用于处理HTTP请求和生成HTTP响应。它们运行在支持Servlet规范的Web服务器上,如Apache Tomcat、Jetty等。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JSP(JavaServer Pages):</span></strong><span style="color: black;">JSP是一种服务器端的Java技术,用于创建动态Web页面。JSP页面<span style="color: black;">能够</span><span style="color: black;">包括</span>HTML、Java代码片段和JSP标签库,它们会在服务器端被解析和执行,<span style="color: black;">最后</span>生成HTML响应发送给客户端。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Servlet容器:</span></strong><span style="color: black;">Servlet容器是一个Web服务器组件,用于管理和执行Servlet。它负责将HTTP请求路由到相应的Servlet,并将Servlet生成的响应发送回客户端。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JDBC(Java Database Connectivity):</span></strong><span style="color: black;"> JDBC是Java<span style="color: black;">供给</span>的用于与数据库交互的API。它<span style="color: black;">准许</span>Java应用程序<span style="color: black;">经过</span>标准的数据库操作语句与<span style="color: black;">各样</span>关系型数据库进行通信。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Web容器:</span></strong><span style="color: black;">Web容器是一种用于托管和运行Web应用程序的环境。它<span style="color: black;">供给</span>了Servlet容器、JSP引擎以及其他必要的组件,使得<span style="color: black;">研发</span>者<span style="color: black;">能够</span><span style="color: black;">安排</span>和管理JavaWeb应用程序。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">MVC架构(Model-View-Controller):</span></strong><span style="color: black;">MVC是一种常用的设计模式,用于将应用程序分为三个核心部分:模型(Model)、视图(View)和<span style="color: black;">掌控</span>器(Controller)。在JavaWeb<span style="color: black;">研发</span>中,<span style="color: black;">研发</span>者通常<span style="color: black;">运用</span>MVC架构来组织和管理应用程序的代码。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Web框架:</span></strong><span style="color: black;"> JavaWeb<span style="color: black;">研发</span>中常用的框架<span style="color: black;">包含</span>Spring MVC、Struts、JSF(JavaServer Faces)等。这些框架<span style="color: black;">供给</span>了<span style="color: black;">各样</span>功能和工具,简化了<span style="color: black;">研发</span>过程,并<span style="color: black;">加强</span>了代码的可<span style="color: black;">守护</span>性和可扩展性。</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">JavaWeb应用程序<span style="color: black;">一般</span>遵循HTTP协议,与客户端<span style="color: black;">经过</span>HTTP请求和响应进行通信。它们<span style="color: black;">能够</span>处理<span style="color: black;">各样</span>类型的请求,<span style="color: black;">包含</span>GET、POST等,并能够生成动态内容以及与数据库等<span style="color: black;">外边</span>资源进行交互。 JavaWeb的发展<span style="color: black;">已然</span><span style="color: black;">作为</span>构建企业级应用程序的主流方式之一,它<span style="color: black;">供给</span>了强大的功能和丰富的生态系统,使得<span style="color: black;">研发</span>者能够构建高性能、<span style="color: black;">靠谱</span>和安全的Web应用程序。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">3、</span>学习资源</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">想要</span>入门JavaWeb,你<span style="color: black;">能够</span><span style="color: black;">选取</span>以下学习资源:</span></span></p><span style="color: black;"><span style="color: black;">官方文档:Java官方文档<span style="color: black;">供给</span>了丰富的JavaWeb学习资源,<span style="color: black;">包含</span>API文档、框架文档和教程等。</span></span><span style="color: black;"><span style="color: black;">培训课程:网络上有<span style="color: black;">非常多</span>免费的JavaWeb培训课程,这些课程<span style="color: black;">能够</span><span style="color: black;">帮忙</span>你快速入门。</span></span><span style="color: black;"><span style="color: black;">书籍:阅读<span style="color: black;">有些</span>经典的JavaWeb书籍,如《Head First Servlets and JavaServer Pages》等,<span style="color: black;">能够</span><span style="color: black;">帮忙</span>你深入理解JavaWeb技术。</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">4、</span>搭建<span style="color: black;">研发</span>环境</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">搭建JavaWeb<span style="color: black;">研发</span>环境<span style="color: black;">触及</span>到几个<span style="color: black;">重点</span>组件,<span style="color: black;">包含</span>Java Development Kit (JDK)、集成<span style="color: black;">研发</span>环境(IDE)、Servlet容器等。以下是从头<span style="color: black;">起始</span>搭建JavaWeb<span style="color: black;">研发</span>环境的<span style="color: black;">过程</span>:</span></span></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">安装Java Development Kit (JDK):</span></strong></span><span style="color: black;"><span style="color: black;"><span style="color: black;">首要</span>,你需要安装Java Development Kit,它<span style="color: black;">包括</span>了Java编译器(javac)和Java运行时环境(JRE)。</span></span><span style="color: black;"><span style="color: black;">前往Oracle JDK官网或OpenJDK官网下载并安装最新版本的JDK。</span></span><span style="color: black;"><span style="color: black;">设置JAVA_HOME环境变量,指向你的JDK安装目录。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">安装集成<span style="color: black;">研发</span>环境(IDE):</span></strong></span><span style="color: black;"><span style="color: black;"><span style="color: black;">选取</span>一个JavaWeb<span style="color: black;">研发</span>的IDE。Eclipse、IntelliJ IDEA和NetBeans是<span style="color: black;">平常</span>的<span style="color: black;">选取</span>。</span></span><span style="color: black;"><span style="color: black;">下载并安装你<span style="color: black;">选取</span>的IDE。例如,你<span style="color: black;">能够</span>在IntelliJ IDEA官网下载IntelliJ IDEA。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">安装Servlet容器:</span></strong></span><span style="color: black;"><span style="color: black;"><span style="color: black;">选取</span>一个Servlet容器,例如Apache Tomcat。</span></span><span style="color: black;"><span style="color: black;">前往Apache Tomcat官网下载最新版本的Tomcat。</span></span><span style="color: black;"><span style="color: black;">解压下载的文件到你想要安装的目录。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">创建JavaWeb项目:</span></strong></span><span style="color: black;"><span style="color: black;">打开你的IDE,创建一个新的JavaWeb项目。</span></span><span style="color: black;"><span style="color: black;">在项目中配置Servlet容器,以便在<span style="color: black;">研发</span>过程中能够<span style="color: black;">容易</span><span style="color: black;">安排</span>和调试。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">编写<span style="color: black;">第1</span>个Servlet:</span></strong></span><span style="color: black;"><span style="color: black;">在项目中创建一个Servlet类,这是JavaWeb应用程序的基本处理单元。</span></span><span style="color: black;"><span style="color: black;">实现doGet和/或doPost<span style="color: black;">办法</span>,用于处理HTTP请求和生成HTTP响应。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">配置Servlet容器:</span></strong></span><span style="color: black;"><span style="color: black;">配置Servlet容器,告诉它在哪里找到你的Web应用程序。</span></span><span style="color: black;"><span style="color: black;">在Tomcat中,你需要配置server.xml文件,添加一个新的<Context>元素,指向你的项目目录。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">安排</span>和运行:</span></strong></span><span style="color: black;"><span style="color: black;">将你的JavaWeb项目<span style="color: black;">安排</span>到Servlet容器中。</span></span><span style="color: black;"><span style="color: black;"><span style="color: black;">起步</span>Servlet容器,查看你的JavaWeb应用程序<span style="color: black;">是不是</span>成功运行。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">学习HTML和基本前端知识:</span></strong></span><span style="color: black;"><span style="color: black;">JavaWeb<span style="color: black;">研发</span><span style="color: black;">一般</span><span style="color: black;">触及</span>与前端进行交互,<span style="color: black;">因此呢</span>学习HTML和基本的前端知识<span style="color: black;">针对</span>构建用户界面是<span style="color: black;">特别有</span><span style="color: black;">帮忙</span>的。</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">在完成<span style="color: black;">以上</span><span style="color: black;">过程</span>后,你就<span style="color: black;">创立</span>了一个基本的JavaWeb<span style="color: black;">研发</span>环境,并且能够<span style="color: black;">起始</span>编写和<span style="color: black;">安排</span>简单的Web应用程序。从<span style="color: black;">这儿</span><span style="color: black;">起始</span>,你<span style="color: black;">能够</span>深入学习JavaWeb的各个方面,<span style="color: black;">包含</span>Servlet、JSP、数据库连接等,以构建更<span style="color: black;">繁杂</span>和功能丰富的Web应用程序。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">5、</span>网页搭建<span style="color: black;">基本</span></span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">网页搭建是学习JavaWeb的<span style="color: black;">基本</span>,<span style="color: black;">重点</span><span style="color: black;">包含</span>HTML、CSS和JavaScript等<span style="color: black;">基本</span>知识。<span style="color: black;">经过</span>学习这些<span style="color: black;">基本</span>知识,你<span style="color: black;">能够</span>快速搭建出基本的网页。</span></span></p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/3c2e667bce0540b8aa45628520f0ec50~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1722654020&x-signature=nHCtcy%2FoZwRdSY5KNhUf2%2BLvDJw%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">6、</span>JavaWeb核心技术</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">JavaWeb 是<span style="color: black;">运用</span> Java 技术进行 Web <span style="color: black;">研发</span>的一种方式,它涵盖了多个核心技术和框架。以下是 JavaWeb 的<span style="color: black;">有些</span>核心技术:</span></span></p><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Servlet:</span></strong></span><span style="color: black;"><span style="color: black;">Servlet 是运行在服务器端的 Java 应用程序,<span style="color: black;">重点</span>用于处理客户端的请求并生成响应。</span></span><span style="color: black;"><span style="color: black;">Servlet 继承自 javax.servlet.Servlet 接口,<span style="color: black;">经过</span>覆盖 doGet 和 doPost 等<span style="color: black;">办法</span>来处理<span style="color: black;">区别</span>类型的 HTTP 请求。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JSP (JavaServer Pages):</span></strong></span><span style="color: black;"><span style="color: black;">JSP <span style="color: black;">准许</span>在 HTML 页面中嵌入 Java 代码,它<span style="color: black;">最后</span>会被翻译成 Servlet。</span></span><span style="color: black;"><span style="color: black;">JSP <span style="color: black;">供给</span>了简化<span style="color: black;">研发</span>的方式,<span style="color: black;">准许</span><span style="color: black;">研发</span>人员在页面中<span style="color: black;">运用</span>标签库来调用 JavaBean 等组件。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Servlet容器:</span></strong></span><span style="color: black;"><span style="color: black;">Servlet 容器是一个 Web 服务器或应用服务器组件,负责管理 Servlet 的生命周期、请求和响应。</span></span><span style="color: black;"><span style="color: black;"><span style="color: black;">平常</span>的 Servlet 容器<span style="color: black;">包含</span> Apache Tomcat、Jetty 和 WildFly。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JavaBeans:</span></strong></span><span style="color: black;"><span style="color: black;">JavaBeans 是一种可重用的 Java 组件,<span style="color: black;">一般</span>用于在 Web 应用程序中封装数据和业务<span style="color: black;">规律</span>。</span></span><span style="color: black;"><span style="color: black;">在 JavaWeb 中,JavaBeans <span style="color: black;">能够</span>被用于从数据库中获取数据、在页面中展示数据等任务。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JDBC (Java Database Connectivity):</span></strong></span><span style="color: black;"><span style="color: black;">JDBC 是 Java 用于与数据库进行交互的 API。</span></span><span style="color: black;"><span style="color: black;">在 JavaWeb <span style="color: black;">研发</span>中,<span style="color: black;">运用</span> JDBC <span style="color: black;">能够</span>连接数据库、执行 SQL <span style="color: black;">查找</span>和更新等操作。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">JPA (Java Persistence API):</span></strong></span><span style="color: black;"><span style="color: black;">JPA 是 Java 用于对象关系映射(ORM)的 API,简化了 Java 对象与数据库表之间的映射。</span></span><span style="color: black;"><span style="color: black;">Hibernate、EclipseLink 等框架实现了 JPA 规范,使得持久化操作更加方便。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Spring框架:</span></strong></span><span style="color: black;"><span style="color: black;">Spring 是一个综合性的 Java <span style="color: black;">研发</span>框架,<span style="color: black;">供给</span>了依赖注入、面向切面编程、事务管理等功能。</span></span><span style="color: black;"><span style="color: black;">Spring 的模块中有 Spring MVC 用于构建 Web 应用,Spring Boot 则简化了 Spring 应用程序的搭建。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Struts框架:</span></strong></span><span style="color: black;"><span style="color: black;">Struts 是一个基于 MVC 模式的 Web 应用框架,用于简化<span style="color: black;">研发</span><span style="color: black;">繁杂</span>的 Web 应用程序。</span></span><span style="color: black;"><span style="color: black;">Struts 的核心是一个<span style="color: black;">掌控</span>器,负责接收用户请求,并将其分发给相应的处理器(Action)。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Web Services:</span></strong></span><span style="color: black;"><span style="color: black;">JavaWeb 中常用的 Web 服务技术<span style="color: black;">包含</span> SOAP(Simple Object Access Protocol)和 REST(Representational State Transfer)。</span></span><span style="color: black;"><span style="color: black;">JAX-RS(Java API for RESTful Web Services)是 Java EE 中用于构建 RESTful Web 服务的 API。</span></span><span style="color: black;"><strong style="color: blue;"><span style="color: black;">Security:</span></strong></span><span style="color: black;"><span style="color: black;">JavaWeb 应用程序的安全性是至关重要的。Java <span style="color: black;">供给</span>了<span style="color: black;">有些</span>安全机制,例如 Java Authentication and Authorization Service (JAAS) 和 Java Security Architecture。</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">以上是 JavaWeb 的<span style="color: black;">有些</span>核心技术,这些技术<span style="color: black;">一块</span>构<span style="color: black;">成为了</span>一个完整的 JavaWeb <span style="color: black;">研发</span>生态系统。<span style="color: black;">研发</span>人员<span style="color: black;">能够</span><span style="color: black;">按照</span>项目<span style="color: black;">需要</span><span style="color: black;">选取</span>适当的技术和框架来构建稳健、<span style="color: black;">有效</span>的 Web 应用程序。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">7、</span>实践项目</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">实践项目是学习JavaWeb的重要环节,你<span style="color: black;">能够</span><span style="color: black;">选取</span>以下项目进行实践:</span></span></p><span style="color: black;"><span style="color: black;">创建一个简单的Web应用程序,<span style="color: black;">包含</span>用户注册、登录和信息展示等功能;</span></span><span style="color: black;"><span style="color: black;">实现一个博客网站,<span style="color: black;">包含</span><span style="color: black;">文案</span>列表、评论和发布等功能;</span></span><span style="color: black;"><span style="color: black;">与第三方API进行交互,实现一个基于API的移动应用程序。</span></span>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">经过</span>实践项目,你<span style="color: black;">能够</span>更好地<span style="color: black;">把握</span>JavaWeb技术,并<span style="color: black;">加强</span>自己的编程能力和团队协作能力。</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">8、</span>总结与展望</span></span></p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">经过</span>本文的介绍,相信你<span style="color: black;">已然</span>对从网页搭建入门到JavaWeb有了更深入的<span style="color: black;">认识</span>。<span style="color: black;">想要</span><span style="color: black;">作为</span>一名优秀的JavaWeb<span style="color: black;">研发</span>者,你需要<span style="color: black;">持续</span>学习、实践和总结。<span style="color: black;">同期</span>,随着技术的<span style="color: black;">持续</span>发展,你需要<span style="color: black;">持续</span>关注新技术和趋势,并<span style="color: black;">奋斗</span><span style="color: black;">提高</span>自己的技能水平。<span style="color: black;">期盼</span>本文能够<span style="color: black;">帮忙</span>你成功迈向后端工程师的高阶之路!</span></span></p>
说得好啊!我在外链论坛打滚这么多年,所谓阅人无数,就算没有见过猪走路,也总明白猪肉是啥味道的。 谷歌外链发布 http://www.fok120.com/ 我完全同意你的看法,期待我们能深入探讨这个问题。 这夸赞甜到心里,让我感觉温暖无比。 大势所趋,用于讽刺一些制作目的就是为了跟风玩梗,博取眼球的作品。 楼主节操掉了,还不快捡起来! 期待楼主的下一次分享!” 外贸论坛是我们的,责任是我们的,荣誉是我们的,成就是我们的,辉煌是我们的。 你的言辞如同繁星闪烁,点亮了我心中的夜空。
页:
[1]