Spring Boot notes

Thu, 13 Aug 2020 00:00:00 +0000

Tutorials

https://www.baeldung.com/spring-tutorial

https://www.tutorialspoint.com/spring_boot/index.htm

Rest Web Service

https://www.tutorialspoint.com/spring_boot/spring_boot_building_restful_web_services.htm

Resource Controller

URL 参数处理

类 @RestController

Model, View(这里没有), Controller 模型
把 URL 路由相关的输入，通过方法，映射到模型 Model 来处理，并返回这个模型

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 package com.example.restservice;

 import java.util.concurrent.atomic.AtomicLong;

 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;


 @RestController
 public class GreetingController {

private static final String template = "Hello, %s!";
private final AtomicLong counter = new AtomicLong();

@GetMapping("/greeting") 
public Greeting greeting(@RequestParam(value = "name", defaultValue = "World") String name) {
 return new Greeting(counter.incrementAndGet(), String.format(template, name));
}
 }

方法 @RequestMapping

映射路由到方法

Spring_boot on Sawyer Zheng's Blog

Spring Boot notes

Tutorials

Rest Web Service

Resource Controller

类 @RestController

方法 @RequestMapping