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我的正式博客
https://silencebutkeep.github.io/2019/09/01/web-an-quan/
基础知识Http协议超文本传输协议,所有的www文件都必须遵守这个协议
http头讲解
200/404 响应码
date 日期
content-type 类型(静态页面/动态页面)
Accept-Chaeset 浏览机器可接收的字符集(ut
https://silencebutkeep.github.io/2019/09/06/java-kuang-jia-spring/
SpringSpring 概述Spring 框架的核心特性是可以用于开发任何 Java 应用程序,但是在 Java EE 平台上构建 web 应用程序是需要扩展的。 Spring 框架的目标是使 J2EE 开发变得更容易使用,通过启用基于
https://silencebutkeep.github.io/2019/08/12/java-jdbc/
JDBC初识JDBC为项目导入mysql-jdbc的jar包访问MySQL数据库需要用到第三方的类,这些第三方的类,都被压缩在一个叫做Jar的文件里。为了代码能够使用第三方的类,需要为项目导入mysql的专用Jar包。该包mysql-con
https://silencebutkeep.github.io/2019/08/10/java-lambda/
匿名类方式首先准备一个接口HeroChecker,提供一个test(Hero)方法,然后通过匿名类的方式,实现这个接口
HeroChecker checker = new HeroChecker() {
public boolean
https://silencebutkeep.github.io/2019/08/09/java-ji-he-kuang-jia/
ArrayList为了解决数组的局限性,引入容器类的概念。 最常见的容器类就是:ArrayList容器的容量”capacity”会随着对象的增加,自动增长,只需要不断往容器里增加英雄即可,不用担心会出现数组的边界问题。
常用方法增加add
https://silencebutkeep.github.io/2019/09/05/web-an-quan-2/
基础知识Linux学习Linux系统目录结构bin目录存放普通用户执行的命令,当然管理员也能执行,但是sbin目录下的命令只有管理员能执行而普通用户无法执行boot放置Linux系统启动(引导)配置文件,可以修改dev放置存储文件,包括硬盘
https://silencebutkeep.github.io/2019/08/13/java-tu-xiang-jie-mian-xia/
图形界面(下)菜单GUI的菜单分为菜单栏,菜单和菜单项
菜单栏(JMenuBar)和菜单(JMenu)// 菜单栏
JMenuBar mb = new JMenuBar();
// 菜单
JMenu mHero = new JMenu("
https://silencebutkeep.github.io/2019/09/03/jquery/
JQueryHello JQueryJQuery是一个javascript的框架,是对javascript的一种封装。通过JQuery可以非常方便的操作html的元素
使用JQuery进行隐藏和显示<script src="http
https://silencebutkeep.github.io/2019/08/02/wo-de-bo-ke-zhu-ti/
Welcome to Hexo! This is your very first post. Check
https://silencebutkeep.github.io/2019/08/02/hello-world/
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hex
https://silencebutkeep.github.io/2019/08/11/java-duo-xian-cheng-xia/
多线程(下)死锁当业务比较复杂,多线程应用里有可能会发生死锁
演示死锁
线程1 首先占有对象1,接着试图占有对象2
线程2 首先占有对象2,接着试图占有对象1
线程1 等待线程2释放对象2
与此同时,线程2等待线程1释放对象1就会。。。一直
https://silencebutkeep.github.io/2019/08/06/java-yi-chang/
异常--Java | 何必酷
这是个评论
https://silencebutkeep.github.io/2019/08/08/java-io2/
JavaI/O知识(下)关闭流的方式所有的流,无论是输入流还是输出流,使用完毕之后,都应该关闭。 如果不关闭,会产生对资源占用的浪费。当量比较大的时候,会影响到业务的正常开展。
在try中关闭在try的作用域里关闭文件输入流,在前面的示例中
https://silencebutkeep.github.io/2019/08/24/dong-tai-web-xiang-mu/
动态web项目Servlet创建新建Dynamic Web ProjectFile->New->Other->Web->Dynamic Web Project
Servlet类创建 HelloServlet注意:ec
https://silencebutkeep.github.io/2019/08/22/servlet/
ServletHello ServletServlet 本身不能独立运行,需要在一个web应用中运行的,而一个web应用是部署在tomcat中的
导入必须的servlet-api.jar包,servlet-api.jar 包位于 \tom
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