SpringBoot使用RestTemplate03模拟请求

• Z时代
• 2024-01-10
• 分类：综合

1、请求代码如下

（1）使用OkHttp客户端发送http请求

http://localhost:8089/test/sendOkHttp?timeout=5000

（2）使用HttpClient客户端发送http请求

http://localhost:8089/test/sendkHttpClient?timeout=5000 

import com.iqianjin.commons.utils.JsonUtil;
import com.iqianjin.user.service.base.CommonResult;
import com.iqianjin.user.service.config.MoonUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;
@Slf4j
@RestController
@RequestMapping("/test")
public class TestTemplateController {
    @Qualifier("okHttpRestTemplate")
    @Autowired
    private RestTemplate okHttpRestTemplate;
    @Qualifier("httpClientRestTemplate")
    @Autowired
    private RestTemplate httpClientRestTemplate;
    private String testUrl = "http://localhost:8089/test/receive";
    @PostMapping("/receive")
    public CommonResult receive(@RequestBody MoonUser moonUser) {
        try {
            Thread.sleep(moonUser.getTimeout());
            return CommonResult.successData(moonUser);
        } catch (Exception e) {
            log.error("receive出现异常", e);
            return CommonResult.failMsg(e.getMessage());
        }
    }
    @GetMapping("/sendOkHttp")
    public Object sendOkHttp(Long timeout) {
        try {
            timeout = timeout == null ? 0 : timeout;
            MoonUser moonUser = new MoonUser();
            moonUser.setId(16L);
            moonUser.setName("冷月");
            moonUser.setTimeout(timeout);
            return postForJsonContentType(okHttpRestTemplate, testUrl, moonUser);
        } catch (Exception e) {
            log.error("出现异常", e);
            return "发生了异常";
        }
    }
    @GetMapping("/sendHttpClient")
    public Object sendHttpClient(Long timeout) {
        try {
            timeout = timeout == null ? 0 : timeout;
            MoonUser moonUser = new MoonUser();
            moonUser.setId(16L);
            moonUser.setName("冷月");
            moonUser.setTimeout(timeout);
            return postForJsonContentType(httpClientRestTemplate, testUrl, moonUser);
        } catch (Exception e) {
            log.error("出现异常", e);
            return "发生了异常";
        }
    }
    public String postForJsonContentType(RestTemplate restTemplate, String url, Object reqObject) {
        String body = JsonUtil.toJsonString(reqObject);
        log.info("【restTemplate】post 请求url={},请求={}", url, body);
        HttpHeaders headers = new HttpHeaders();
        // 定义请求参数类型，这里用json所以是MediaType.APPLICATION_JSON
        headers.setContentType(MediaType.APPLICATION_JSON);
        HttpEntity<?> request = new HttpEntity<>(reqObject, headers);
        ResponseEntity<String> entity = restTemplate.postForEntity(url, request, String.class);
        String resp = entity.getBody();
        log.info("【restTemplate】post 请求url={},响应={}", url, resp);
        return resp;
    }

public class MoonUser {
    private Long id;
    private String name;
    private Long timeout;
    public Long getId() {
        return id;
    }
    public void setId(Long id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public Long getTimeout() {
        return timeout;
    }
    public void setTimeout(Long timeout) {
        this.timeout = timeout;
    }
}

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