一个用例是只显示登录用户他/她自己的付款,而不是所有付款。
在“旧 web mvc 脚手架”列表视图中,我推送了 list 方法并对其进行了更改,以检索当前登录用户的所有付款记录,请参见下面的代码。
现在我想迁移到 gvNIX 数据表。默认显示数据库中的所有记录。
问题:如何仅过滤此用户的记录?
一个简单的例子将是很棒或更多的文档。
@RequestMapping(produces = "text/html")
public String list(@RequestParam(value = "page", required = false) Integer page, @RequestParam(value = "size", required = false) Integer size, @RequestParam(value = "sortFieldName", required = false) String sortFieldName, @RequestParam(value = "sortOrder", required = false) String sortOrder, Model uiModel) {
System.out.println("In payment list controller");
if (page != null || size != null) {
int sizeNo = size == null ? 10 : size.intValue();
final int firstResult = page == null ? 0 : (page.intValue() - 1) * sizeNo;
// uiModel.addAttribute("payments", Payment.findPaymentEntries(firstResult, sizeNo, sortFieldName, sortOrder));
User currentUser = getCurrentUser();
List<Payment> paymentList = Payment.findPaymentsByPayUser(getCurrentUser(), firstResult, sizeNo, "transactionDate", "DESC");
uiModel.addAttribute("payments", paymentList);
float nrOfPages = (float) Payment.countFindPaymentsByPayUser(currentUser) / sizeNo;
uiModel.addAttribute("maxPages", (int) ((nrOfPages > (int) nrOfPages || nrOfPages == 0.0) ? nrOfPages + 1 : nrOfPages));
} else {
// uiModel.addAttribute("payments", Payment.findAllPayments(sortFieldName, sortOrder));
uiModel.addAttribute("payments", Payment.findPaymentsByPayUser(getCurrentUser(), "transactionDate", "DESC").getResultList());
}
addDateTimeFormatPatterns(uiModel);
return "payments/list";
}
private User getCurrentUser() {
// Retrieve the current logged in user and his authentication
String username = SecurityContextHolder.getContext().getAuthentication().getName();
// Retrieve the user object of the current user
User user = User.findUsersByEmailAddress(username).getSingleResult();
return user;
}