代码请求客户端

app.py

from flask import Flask, jsonify, request

app = Flask(__name__)


@app.route("/getdata", methods=["GET", "POST"])
def getdata():
	bookinfo = {
		"lie": True,
		"booklist": [
			{
				"name": "renyueshenhua",
				"bookid": 1,
			},
			{
				"name": "bianchengzhuji",
				"bookid": 2,
			},
			{
				"name": "chonggou",
				"bookid": 3,
			}
		],
		"totalNums": 3,
		"properties": "bookinfo", 
	}
	if request.method == "POST":
		postdata = dict(request.json)
		bookinfo["booklist"].append(postdata)
		bookinfo["totalNums"] += 1
	return jsonify(bookinfo)

if __name__ == '__main__':
	app.run(host="0.0.0.0")

GetTest.java

public class GetTest {

    public static void main(String[] args){
        String targetUrl = "http://localhost:5000/getdata";
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpGet getRequest = new HttpGet(targetUrl);
        getRequest.addHeader("Accept", "application/json");
        try {
            HttpResponse response = httpClient.execute(getRequest);
            int resCode = response.getStatusLine().getStatusCode();
            System.out.println(resCode);
            HttpEntity httpEntity = response.getEntity();
            String resContent = EntityUtils.toString(httpEntity, "UTF-8");
//            System.out.println(resContent);
            JsonParser jsonParser = new JsonParser();
            JsonObject jsonObject = (JsonObject) jsonParser.parse(resContent);
            JsonArray booklist = jsonObject.get("booklist").getAsJsonArray();
            System.out.println(booklist.get(2).getAsJsonObject().get("name"));
            int totalNums = jsonObject.get("totalNums").getAsInt();
            System.out.println(totalNums);
            boolean lie = jsonObject.get("lie").getAsBoolean();
            System.out.println(lie);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

PostTest.java

public class GetTest {

    public static void main(String[] args){
        String targetUrl = "http://localhost:5000/getdata";
        HttpClient httpClient = HttpClientBuilder.create().build();
        HttpPost PostRequest = new HttpPost(targetUrl);
        
        JsonObject postJson = new JsonObject();
        postJson.addProperty("params", "1");
        StringEntity stringEntity = new StringEntity(postJson.toString(), "UTF-8");
        postRequest.setEntity(strinEntity);
        postRequest.setHeader("Accept", "application/json");
        postRequest.setHeader("Content-Type", "application/json");
    
        try {
            HttpResponse response = httpClient.execute(postRequest);
            int resCode = response.getStatusLine().getStatusCode();
            System.out.println(resCode);
            HttpEntity httpEntity = response.getEntity();
            String resContent = EntityUtils.toString(httpEntity, "UTF-8");
//            System.out.println(resContent);
            JsonParser jsonParser = new JsonParser();
            JsonObject jsonObject = (JsonObject) jsonParser.parse(resContent);
            JsonArray booklist = jsonObject.get("booklist").getAsJsonArray();
            System.out.println(booklist.get(2).getAsJsonObject().get("name"));
            int totalNums = jsonObject.get("totalNums").getAsInt();
            System.out.println(totalNums);
            boolean lie = jsonObject.get("lie").getAsBoolean();
            System.out.println(lie);
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

pyexample.py

# -*- coding: utf-8 -*-
import requests
import json
import pprint

def _test_api():

	url = "http://127.0.0.1:5000/api"
	headers = {'content-type': 'application/json'}
	payload = { 

	}
	pprint.pprint(json.dumps(payload))
	response = requests.post(url, data=json.dumps(payload), headers=headers).json()
	pprint.pprint(response)

def _test_post_api():

	url = "http://127.0.0.1:8080/bootpost"
	# headers = {'content-type': 'application/x-www-form-urlencoded'}
	headers = {'content-type': 'application/json'}
	payload = {
		"id": "1233123",
		"type": "youknow",
		"data": {
		    "v1": [1,2,3],
		    "v2": True,
		    "v3": "putyou"
		}
	}
	pprint.pprint(json.dumps(payload))
	response = requests.post(url, data=json.dumps(payload), headers=headers).json()
	# response = requests.get(url, headers=headers).json()
	pprint.pprint(response)


if __name__ == '__main__':
	_test_api()

request_using_python.py

# -*- coding: utf-8 -*-
import requests
import json
import pprint

def _test_api():

	url = "http://127.0.0.1:5000/api"
	headers = {'content-type': 'application/json'}
	payload = { 

	}
	pprint.pprint(json.dumps(payload))
	response = requests.post(url, data=json.dumps(payload), headers=headers).json()
	pprint.pprint(response)


if __name__ == '__main__':
	_test_api()

SpringBootParamsRes.java

@SpringBootApplication
@RestController
public class DemoApplication {

	public static void main(String[] args) {
		SpringApplication.run(DemoApplication.class, args);
	}

	@GetMapping("/boot/{username}")
	public ResEntity boot(@PathVariable String username) {
		ResEntity resEntity = new ResEntity();
		resEntity.setKey(username);
		Map<String, Object> map = new HashMap<String, Object>();
        map.put("key3", "value3");
        resEntity.setKey2(map);
        int[] list = {1, 2, 3};
        resEntity.setList(list);
		return resEntity;
	}

    @GetMapping("/boot2")
    public Map<String, Object> boot2() {
	    Map<String, Object> map = new HashMap<String, Object>();
	    map.put("key", "value");
	    map.put("key2", new int[]{1, 3, 5});
	    return map;
    }
    @PostMapping("/bootpost")
    public String bootpost(@RequestBody Map<String, Object> param) {
	    if (param.containsKey("id")) {
	        System.out.println(param.get("id"));
        }
	    System.out.println(param);
	    return "hello";
    }
}