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我正在调用我的网络服务，该服务连接在 roo 中以进行放置。我正在使用 HiddenHttpMethodFilter 将调用路由到服务器端的 PUT 处理程序。我的 Put 方法服务端看起来就是这样。

@RequestMapping(value = "/{chainId}", method = RequestMethod.PUT, headers =     "Accept=application/json")
public ResponseEntity<String> updateUser(@PathVariable("chainId") String chainId, @RequestBody MultiValueMap<String, String> form) {
    HttpHeaders headers = new HttpHeaders();
    headers.add("Content-Type", "application/json");
    headers.add("Access-Control-Allow-Origin", "*");
    Chain chain = Chain.findChain(chainId);
    GymMember gymMember = new GymMember();
    gymMember.setMembershipId(form.getFirst("membershipId"));
    gymMember.setEmail(form.getFirst("email"));
    gymMember.setEmail(form.getFirst("name"));
    gymMember.setEmail(form.getFirst("age"));
    gymMember.setEmail(form.getFirst("sex"));
    gymMember.setChainId(chain);
    if (gymMember.merge() == null) {
        return new ResponseEntity<String>(headers, HttpStatus.NOT_FOUND);
    }
    return new ResponseEntity<String>(headers, HttpStatus.OK);
}

对此方法的调用在这里登陆，但 @RequestBody MultiValueMap 表单始终没有数据。当我调试并查看其内容时，它表示为 {}。

我的电话可以在这里看到

Request URL:http://localhost:9080/FitFriendsService/gymmembers/1006
Request Headersview source
Accept:application/json, text/javascript, */*; q=0.01
Content-Type:application/x-www-form-urlencoded; charset=UTF-8
Origin:http://localhost:8888
Referer:http://localhost:8888/fitFriends/profile.html?chainId=1006&membershipId=testing&email=testing
User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_4) AppleWebKit/534.57.2 (KHTML, like Gecko) Version/5.1.7 Safari/534.57.2
Form Dataview URL encoded
_method:PUT
membershipId:testing
email:testing
name:John Forgintonagwhaaa
age:33
sex:Male

我已经读到您不能根据 HTML 指南使用 put 请求发送表单数据，但我不确定这是否正确。如果您知道一种方法，以便 spring roo 可以获取该表单数据，将不胜感激！谢谢！

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