Springboot中@Value怎么用

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entity.Book

package com.draymonder.amor.entity;import java.util.List;import org.springframework.beans.factory.annotation.Value;import org.springframework.boot.context.properties.ConfigurationProperties;import org.springframework.stereotype.Component;@Componentpublic class Book { @Value("${book.name}") private String name; @Value("${book.author}") private String author; @Value("${book.price}") private Double price; @Value("#{'${book.love}'.split(',')}") private List love; public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAuthor() { return author; } public void setAuthor(String author) { this.author = author; } public Double getPrice() { return price; } public void setPrice(Double price) { this.price = price; } @Override public String toString() { return "Book{" + "name='" + name + '\'' + ", author='" + author + '\'' + ", price=" + price + ", love=" + love + '}'; }}

web.BookController

package com.draymonder.amor.web;import com.draymonder.amor.entity.Book;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RestController;@RestControllerpublic class BookController { @Autowired Book book; @GetMapping("/book") public String book() { return book.toString(); }}

resources/applcation.yml

server: port: 8080book: name: amor author: draymonder price: 50 love: a, b, c

访问url localhost:8080/book

展示结果

Book{name='amor', author='draymonder', price=50.0, love=[a, b, c]}

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