刚刚遇到了这个问题，代码反复检查，postman反复测试还是看不出哪里有问题。百度一下这个问题居然没有，最后在一个不起眼的帖子里找到答案了，我恍然大悟。 解决办法是：app.use(bodyParser())一定要写在app.use(router.routes())前面！！！
postman分别以form-data/raw-application/json方式发送POST请求，后端使用分别使用@RequestBody/@RequestParam注解需封装的POJO form-data ---> @RequestBody 封装失败 form-data ---> @RequestParam 封装失败 raw-application/json ---> @RequestParam 封装失败 raw-application/json ---> @RequestBody 成功封装 ... 一些参考 SpringMVC参数解析绑定原理源码 @RequestParam @RequestBody @PathVariable 等参数绑定注解详解 @Requ...
服务端webapi： public string getValue5([FromBody]List<Student> student){return student[0].Name + " " + student[1].Name;}客户端控制台：public static string HttpPost(string url){Encoding encoding = Encoding.UTF8;HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);request.Method = "POST";request.Accept = "text/html, application/xhtml+xml, */*";//request.ContentType = "application/x-www-fo...
当使用RestTemplate进行http请求时，的确很方便，但是当需要进行post请求时遇到了坑 1 POST传递参数 ：采用 LinkedMultiValueMap ，不能使用HashMap String url = 'http://posturl';MultiValueMap<String, String> map= new LinkedMultiValueMap<String, String>(); map.add("shopid","1"); HttpHeaders headers = new HttpHeaders(); headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED); ...
t=# create table d(i bigserial, j jsonb); CREATE TABLE t=# insert into d(j) select ({"foreign_data":{"some_key": ||g||,"src_data": {"VEHICLE": {"title": "615","is_working": true,"upc": "85121212121","dealer_name": "CryptoDealer","id": ||g||}}}})::jsonb from generate_series(1,1222600) g; INSERT 0 1222600 t=# create index ji on d (cast (j->foreign_data->src_data->VEHICLE->>id as int)); CREATE INDEXi...