Servlet

Tomcat

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定义

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servlet的生命周期

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ServletConfig/ServletContext

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servlet的层次结构

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JSP

定义

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JSP嵌入java的三种方式

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JSP9个内置对象

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request常用方法

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重定向和转发

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session

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Cookie和session

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Filter过滤器

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Filter的生命周期

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Filter的应用场景

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文件上传下载

上传

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Ajax

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Ajax vs 传统

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原理

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应用

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JSON

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JDBC

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JDBC体系结构

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使用

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SQL注入

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数据库连接池

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