http请求-简单参数

springboot-web-req-resp/src/main/java/com/inmind/SpringbootWebReqRespApplication.java

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+package com.inmind;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SpringbootWebReqRespApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringbootWebReqRespApplication.class, args);
+    }
+
+}

springboot-web-req-resp/src/main/java/com/inmind/controller/RequestController.java

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+package com.inmind.controller;
+
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+
+@RestController
+public class RequestController {
+
+    //原始方式接收请求数据
+    /*@RequestMapping("/simpleParam")
+    public String simpleParam(HttpServletRequest request){
+        String name = request.getParameter("name");
+        String ageStr = request.getParameter("age");
+        int age = Integer.parseInt(ageStr);
+        System.out.println(name+"--"+age);
+        return "OK";
+    }*/
+
+    //springboot接收方式
+    //如果请求参数名与方法的形参名不一致，可以使用@RequestParam(name = "name")来处理
+    //@RequestParam(name = "name",required = false)：required默认是true，是必须传入的参数，required = false:可以设置参数为非必须
+    //01.简单参数
+    //02.简单参数-post
+    @RequestMapping("/simpleParam")
+    public String simpleParam(@RequestParam(name = "name",required = false) String username, Integer age){
+        System.out.println(username+"--"+age);
+        return "OK";
+    }
+}