出自：https://blog.csdn.net/qq_45309010/article/details/111301381

https://segmentfault.com/q/1010000023764476

import java.io.BufferedReader;

import java.io.InputStreamReader;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

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

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

import com.litong.utils.io.IOUtils;

import lombok.extern.slf4j.Slf4j;

@RestController

@RequestMapping("test")

@Slf4j

public class TestController {

  // 這里我沒(méi)做異常處理

  @RequestMapping("/request")

  public String request(HttpServletRequest request, HttpServletResponse response) {

    String method = request.getMethod();

    log.info("method : " + method);

    StringBuilder requestBody = new StringBuilder();

    BufferedReader buffredReader = null;

    try {

      buffredReader = new BufferedReader(new InputStreamReader(request.getInputStream()));

      String inputStr;

      while ((inputStr = buffredReader.readLine()) != null) {

        requestBody.append(inputStr);

      }

    } catch (Exception e) {

      e.printStackTrace();

    } finally {

      IOUtils.closeQuietly(buffredReader);

    }

    return requestBody.toString();

  }

}

RFC 文檔中從來(lái)就沒(méi)有說(shuō)過(guò) GET 沒(méi)有請(qǐng)求體.RFC 只是說(shuō) 只是說(shuō) GET 意味著通過(guò) URI 來(lái)識(shí)別資源。 這就意味著,各種代理緩存以及 CDN 都是通過(guò) URI 區(qū)分出資源.如果你把參數(shù)丟在了 REQUEST BODY里,那這些服務(wù)都要混亂了..

有些 http 的 lib 里不讓甚至直接不提供 GET 方法追加請(qǐng)求體的操作,單實(shí)際上,這并不是錯(cuò)誤.