[英]POST nested object Rest Spring MVC AngularJS
I am trying to resolve a problem with saving an entity that has one-to-one relationship. 我正在尝试解决保存具有一对一关系的实体的问题。
I have a Tenant object that has a field Apartment. 我有一个租户对象,有一个字段公寓。 Every time when I try to save a new Tenant object I get 400 error although the params seems ok to me: 每当我尝试保存一个新的Tenant对象时,我会得到400错误,尽管params对我来说似乎没问题:
If I remove Apartment from the input form the Tenant gets to be saved without a problem. 如果我从输入表单中删除了公寓,则可以毫无问题地保存租户。
How can I save an entity along with it's relation??? 如何保存实体及其关系???
RestController RestController
@RequestMapping(method = RequestMethod.POST)
public ResponseEntity<?> create(@Valid @RequestBody Tenant tenant, BindingResult result) {
if (result.hasErrors()) {
ApiResponse message = new ApiResponse();
message.setErrors(result.getFieldErrors());
return new ResponseEntity<ApiResponse>(message, HttpStatus.UNPROCESSABLE_ENTITY);
}
try {
service.saveTenant(tenant);
} catch (ConstraintViolationException e) {
result.rejectValue("apartmentNumber", "error.apartment", DUPLICATE_VALUE);
Map<String, String> test = new HashMap<>();
for (FieldError fieldError : result.getFieldErrors()) {
test.put(fieldError.getField(), fieldError.getDefaultMessage());
}
return new ResponseEntity<Map<String, String>>(test, HttpStatus.CONFLICT);
}
return new ResponseEntity<Tenant>(tenant, HttpStatus.CREATED);
}
JSP page - the input in question JSP页面 - 有问题的输入
<div class="form-group">
<label for="inputEmail3" class="col-sm-3 control-label">Mieszkanie</label>
<div class="col-sm-9">
<select name='apartment' ng-model="ctrl.tenant.apartment" ng-required='true' class="form-control">
<option ng-repeat="item in ctrl.apartments" value="{{item}}"
ng-selected="ctrl.tenant.apartment.description == item.description">
{{item.description}}</option>
</select>
<p class="help-block">
<span class='error' ng-show="myForm.tenant_apartment.$invalid">
Pole wymagane</span> <span class='error'>{{errors.tenant_apartment}}</span>
</p>
</div>
</div>
Is your Tenant class has a member variable of Appartment as Set type. 您的租户类是否具有Appartment as Set type的成员变量。 I mean 我的意思是
public class Tenant implements Serializable { private Set<Appartment> appartment; ..... ..... }
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