[Java知识库]springboot URL参数传递

package com.example.project;

import org.springframework.web.bind.annotation.*;

/**

• @Description: 演示各种传参形式

• @Author: zhangDi

• @Date:2022/4/17
  **/
  @RestController
  @RequestMapping("/prefix")
  public class ParaController {

  @GetMapping({"/firstname"})
  public String firstRequest() {
  return “第一个spring boot接口”;
  }

  /**

  • http://127.0.0.1:8080/prefix/firstnamepara?num=8(不能有空格)
  • @param num
  • @return
    */
    @GetMapping({"/firstnamepara"})
    public String requestPara(@RequestParam Integer num) {
    return "para from request: " + num;
    }

  /**

  • http://127.0.0.1:8080/prefix/para/5
  • @param num
  • @return
    */
    @GetMapping({"/para/{num}"})
    public String pathPara(@PathVariable Integer num) {
    return "para from path : " + num;
    }

  @GetMapping({"/pairsUrl1/{num}" , “/pairsUrl2/{num}”})
  public String pairsUrl(@PathVariable Integer num) {
  return "para from path : " + num;
  }

  @GetMapping({"/required"})
  public String required(@RequestParam(required = false,defaultValue = “1998”) Integer num) {
  return "para from request: " + num;
  }
  }

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