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ems-for-java-jsp's Introduction

EMS-for-Java-JSP

来自千锋的综合jsp项目,视频地址:https://www.bilibili.com/video/BV1sK4y187jt

数据库名 ems

表名 emp

CREATE TABLE emp(
id INT PRIMARY KEY AUTO_INCREMENT,
NAME VARCHAR(20) NOT NULL,
salary DOUBLE NOT NULL,
age INT NOT NULL
)CHARSET=utf8;

empmanager

CREATE TABLE empManager(
username VARCHAR(20)NOT NULL,
PASSWORD VARCHAR(20) NOT NULL
)CHARSET=utf8;

Web开发总结

在Web开发流程中,遵守以下开发顺序

  • DAO
    • table
    • entity
    • DAO接口
    • DAO实现
    • Service
    • Service接口
    • Service实现(调用DAO实现类,并控制事务)
  • Controller(处理请求的Servlet)
    • [收集请求中的数据]
    • 调用业务功能(Service实现类)
    • [在相应合适的作用域中存储数据]
    • 流程跳转(forward|sendRedirect)-->*.jsp
  • JSP
    • [在作用域中获取数据]
    • 使用EL+JSTL将数据嵌套在HTML标签中
  • Filter
    • EncodingFilter
    • CheckFilter

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