04-Spring Boot基本配置

#配置端口号
server.port=9090
#配置上下文路径
server.servlet.context-path=/web01

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
          <exclusions>
              <exclusion>
                  <groupId>org.springframework.boot</groupId>
                  <artifactId>spring-boot-starter-tomcat</artifactId>
              </exclusion>
          </exclusions>
</dependency>

<dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-jetty</artifactId>
</dependency>

package com.java.chapter01.entity;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Component;

@Component
public class Book {
    @Value("${book.id}")
    private Integer id;
    @Value("${book.name}")
    private String name;
    @Value("${book.author}")
    private String author;

//省略getter和setter
}

package com.java.chapter01.controller;

import com.java.chapter01.entity.Book;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloController {
    @Autowired
    private Book book;   
    @GetMapping("/book")
    public Book book(){
        return book;
    }
}

#配置端口号
server.port=9090
#配置上下文路径
server.servlet.context-path=/web01

#普通属性的注入
book.id=1
book.name=史记
book.author=司马迁

#普通属性的注入
book.id=1
book.name=资治通鉴
book.author=司马光

@Component
@PropertySource("classpath:book.properties")
public class Book {
    @Value("${book.id}")
    private Integer id;
    @Value("${book.name}")
    private String name;
    @Value("${book.author}")
    private String author;

//getter和setter省略
}

@Component
@PropertySource("classpath:book.properties")
@ConfigurationProperties(prefix="book")
public class Book {
    //@Value("${book.id}")
    private Integer id;
    //@Value("${book.name}")
    private String name;
    //@Value("${book.author}")
    private String author;

    //getter和setter省略

}

server:
  port: 8080
  servlet:
    context-path: /chapter01

@Component
@ConfigurationProperties(prefix = "user")
public class User {
    private Integer userId;
    private String userName;
    private Book book;
    private String[] address;
    private List<Book> bookList;

//getter和setter省略...
}

@RestController
public class HelloController {
    @Autowired
    private User user;
    @GetMapping("/user")
    public User user(){
        return user;
    }
}

server:
  port: 8080
  servlet:
    context-path: /chapter01
user:
  userId: 20
  userName: 李白
  #配置对象
  book:
    id: 10
    name: 资治通鉴
    author: 司马光
  #配置数组
  #address:
  #  - 武汉
  #  - 北京
  #  - 广州2
  address: 济南，山东，河北
  #配置集合List
  bookList:
      - id: 30
        name: 红楼梦
        author: 曹雪芹
      - id: 40
        name: 西游记
        author: 吴承恩
      - id: 50
        name: 三国演义
        author: 罗贯中

server.port=9090

server.port=8080

#spring.profiles.active=dev
spring.profiles.active=prod

spring:
  profiles:
    active: dev
---
server:
  port: 8083
spring:
  profiles: dev
---
server:
  port: 8084
spring:
  profiles: prod