Library
Search
CTRL + K
Library
Search
CTRL + K
All Notes
current TOC
AJAX
algorithms
architecture
axios
connection-pooling
Cookie
creational-patterns
CS-other-items
CS
CSS
data-format
data-structure
database
decorator-pattern
design-patterns
docker
elastic-stack
Elasticsearch
eureka
factory-pattern
Filter
HTML
HTTP-status-code
HTTP
HttpSession
irony
java-frameworks
java-network-programming
java-web
java
javaEE-design-patterns
javascript-frameworks
javascript
javaSE
JDBC
Library
linux
Listener
literature
mark-down
mark-up-languages
Mathematics
maven
microservices
middlewares
MVC-pattern
mybatis-plus
mybatis
mysql
Neo-Confucianism
network
nodejs
operating-system
programming-languages
proxy-pattern
Servlet
ServletRequest
ServletResponse
session-tracking
session
shell
spring-boot
spring-cloud
spring-framework
spring-MVC
spring-security
spring
SQL
structural-patterns
tomcat
typescript
vim
Vue.js
web-server
web
XML
java Frameworks
3-tier Architecture
java-frameworks
#CS/programming-languages/java
java Frameworks
mybatis
spring
3-tier Architecture
三层架构
数据访问层：对数据库的CRUD基本操作
业务逻辑层：对业务逻辑进行封装，组合数据访问层层中基本功能，形成复杂的业务逻辑功能
表现层：接收请求，封装数据，调用业务逻辑层，响应数据
