如何將表單輸入(easyui-datetimebox,大小寫)中的字符串轉換爲Controller中自動綁定的對象中的Calendar屬性?Spring:將字符串從視圖轉換爲日曆對象
我讀過http://docs.spring.io/spring/docs/3.2.x/spring-framework-reference/html/validation.html但我找不到任何接近正確的東西。
JSP:
<input id="DeadLineDate"
class="easyui-datetimebox"
name="DeadLineDate"
value="${SessionDeadLineDate}"
data-options="formatter:myformatter,
parser:myparser
/>
當submited,春季驗證引發錯誤:
Failed to convert property value of type java.lang.String to required type java.util.Calendar for property DeadLineDate; nested exception is java.lang.IllegalStateException: Cannot convert value of type [java.lang.String] to required type [java.util.Calendar] for property DeadLineDate: no matching editors or conversion strategy found.
PS:彈簧3
編輯:添加控制器的方法來執行操作:
@Controller
@RequestMapping("/project/MaintainProjectFrm")
@SessionAttributes({"project","SessionDeadLineDate"})
public class MaintainProjectController {
/* ... many methods... */
@RequestMapping(params = "update", method = RequestMethod.POST, produces={"text/plain; charset=UTF-8"})
public String update(@ModelAttribute("project") Project project,
BindingResult result,
SessionStatus status,
ModelMap model,
HttpServletRequest req,
HttpServletResponse resp) throws IOException {
projectValidator.validate(project, result);
if (result.hasErrors()) {
//has errors, in this case, that one shown in text above, which is rendered again in view (JSP)
return "/project/MaintainProjectFrm";
} else {
try{
mpService.updateProject(project);
}
catch(Exception e){
resp.setStatus(500);
resp.getWriter().write("Error updating project: " + e.getMessage());
return "/project/MaintainProjectFrm";
}
status.setComplete();
}
}
/* ... yet other methods ... */
}
我們可以看到你的處理方法? –
@SotiriosDelimanolis:當然,完成! – Alex
我會使用@RequestParam從視圖中接收DeadLineDate,並手動創建一個Calendar對象,更新Project對象。但當然,這不是一種優雅的方式!我想知道如果在某個特定的maneer中,Spring能夠從這個屬性中自動綁定一個Calendar。 – Alex