springboot httpclient

Posted 2020-12-03

post

/**
     * post
     * */
    public String client(String url,  MultiValueMap<String, String> params){
        RestTemplate client = new RestTemplate();
        HttpHeaders headers = new HttpHeaders();
        //  请勿轻易改变此提交方式，大部分的情况下，提交方式都是表单提交
        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
        HttpEntity<MultiValueMap<String, String>> requestEntity = new HttpEntity<MultiValueMap<String, String>>(params, headers);
        //  执行HTTP请求
        ResponseEntity<String> response = client.exchange(url, HttpMethod.POST, requestEntity, String.class);
        return response.getBody();
    }

get

    /**
     * get
     * */
    public String clientGET(String url){
        RestTemplate client = new RestTemplate();
        //  执行HTTP请求
        ResponseEntity<String> response = client.getForEntity(url,  String.class);
        String body = response.getBody();
        HttpStatus statusCode = response.getStatusCode();
        int statusCodeValue = response.getStatusCodeValue();
        HttpHeaders headers = response.getHeaders();
        return response.getBody();
    }

public void  testPost() throws Exception {
         //api url地址
        String url = "https://api-test.chinazyjr.net/v1/api/JJT/saveBorrow";
        //post请求
        // 封装参数，千万不要替换为Map与HashMap，否则参数无法传递
        MultiValueMap<String, String> params= new LinkedMultiValueMap<String, String>();
        params.add("data", "{
" + 
                "    "requestUuid":"5918531018",
" + 
                "    "platform":"JJT",
" + 
                "    "requestInfo":{
" + 
                "        "userId":"3d235a90b51f4b7d",
" + 
                "        "contractNo":"5918531018",
" + 
                "        "bidName":"testyyq散8标629",
" + 
                "        "retUrl":null,
" + 
                "        "retType":"1",
" + 
                "        "retAmt":"10125.28",
" + 
                "        "borrTotAmt":"10000.00",
" + 
                "        "yearRate":"6",
" + 
                "        "borrowReturnPlan":[
" + 
                "            {
" + 
                "                "periodNo":"1",
" + 
                "                "billDate":"2018-04-01",
" + 
                "                "shouldAmount":"2481.32",
" + 
                "                "shouldInterest":"50.00",
" + 
                "                "shouldServiceFee":"0"
" + 
                "            },
" + 
                "            {
" + 
                "                "periodNo":"2",
" + 
                "                "billDate":"2018-05-01",
" + 
                "                "shouldAmount":"2493.73",
" + 
                "                "shouldInterest":"37.59",
" + 
                "                "shouldServiceFee":"0"
" + 
                "            },
" + 
                "            {
" + 
                "                "periodNo":"3",
" + 
                "                "billDate":"2018-06-01",
" + 
                "                "shouldAmount":"2506.20",
" + 
                "                "shouldInterest":"25.12",
" + 
                "                "shouldServiceFee":"0"
" + 
                "            },
" + 
                "            {
" + 
                "                "periodNo":"4",
" + 
                "                "billDate":"2018-07-01",
" + 
                "                "shouldAmount":"2518.75",
" + 
                "                "shouldInterest":"12.57",
" + 
                "                "shouldServiceFee":"0"
" + 
                "            }
" + 
                "        ],
" + 
                "        "borrowUserInfo":{
" + 
                "            "userName":"张玉言",
" + 
                "            "sex":1,
" + 
                "            "age":33,
" + 
                "            "education":"哈佛",
" + 
                "            "maritalStatus":"未婚",
" + 
                "            "censusRegisterAddress":"江苏徐州市泉山区sdf",
" + 
                "            "childrenFlag":1,
" + 
                "            "unitIndustry":null,
" + 
                "            "livingAddress":null,
" + 
                "            "position":null,
" + 
                "            "houseSituation":null,
" + 
                "            "houseLoan":null,
" + 
                "            "companyNature":null,
" + 
                "            "entryDate":null,
" + 
                "            "monthlyIncome":null,
" + 
                "            "workYears":null,
" + 
                "            "houseAssets":null,
" + 
                "            "carAssets":null,
" + 
                "            "annualEarnings":null,
" + 
                "            "valuation":null,
" + 
                "            "idCard":"532927199308065798",
" + 
                "            "mobile":"18212000000"
" + 
                "        },
" + 
                "        "periodsUnit":"3",
" + 
                "        "periods":"4"
" + 
                "    }
" + 
                "}");
        //发送http请求并返回结果
        String returnStrnig = client(url,params);
        System.out.println(returnStrnig);
    }

    public void  testGet() throws Exception {
         //api url地址
       String url = "https://boss-test.chinazyjr.net/login.html";
       String body = clientGET(url);
       System.out.println(body);
    }