我在提交表单时遇到 Ajax 请求问题。表单包含这些字符串化 JSON 数据:
{"articleContent":"<p>aaa</p>","title":"Po vyplnění titulku aktuality budete","header":"aa","enabled":false,"timestamp":"1358610697521","publishedSince":"03.01.2013 00:00","publishedUntil":"","id":"10"}
当 json 包含 "03.01.2013 00:00" 值时,服务器响应为 400 Bad Request
问题是,没有调用自定义 DateTimePropertyEditor(使用@InitBinder 注册),并且没有转换 String 格式的 DateTime。你知道如何解决这个问题吗?
Controller 映射方法,即处理请求
@RequestMapping( value = "/admin/article/edit/{articleId}", method = RequestMethod.POST, headers = {"content-type=application/json"})
public @ResponseBody JsonResponse processAjaxUpdate(@RequestBody Article article, @PathVariable Long articleId){
JsonResponse response = new JsonResponse();
Article persistedArticle = articleService.getArticleById(articleId);
if(persistedArticle == null){
return response;
}
List<String> errors = articleValidator.validate(article, persistedArticle);
if(errors.size() == 0){
updateArticle(article, persistedArticle);
response.setStatus(JsonStatus.SUCCESS);
response.setResult(persistedArticle.getChanged().getMillis());
}else{
response.setResult(errors);
}
return response;
}
初始化绑定(bind)器
@InitBinder
public void initBinder(WebDataBinder binder) {
binder.registerCustomEditor(DateTime.class, this.dateTimeEditor);
}
最佳答案
我使用 @JsonDeserialize 解决了这个问题
@JsonDeserialize(using=DateTimeDeserializer.class)
public DateTime getPublishedUntil() {
return publishedUntil;
}
我必须实现自定义反序列化器。
public class DateTimeDeserializer extends StdDeserializer<DateTime> {
private DateTimeFormatter formatter = DateTimeFormat.forPattern(Constants.DATE_TIME_FORMAT);
public DateTimeDeserializer(){
super(DateTime.class);
}
@Override
public DateTime deserialize(JsonParser json, DeserializationContext context) throws IOException, JsonProcessingException {
try {
if(StringUtils.isBlank(json.getText())){
return null;
}
return formatter.parseDateTime(json.getText());
} catch (ParseException e) {
return null;
}
}
}
关于java - PropertyEditor 未根据 AJAX (JSON) 请求调用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14416300/