本文整理匯總了Java中org.springframework.data.domain.Page.hasPrevious方法的典型用法代碼示例。如果您正苦於以下問題:Java Page.hasPrevious方法的具體用法?Java Page.hasPrevious怎麽用?Java Page.hasPrevious使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.springframework.data.domain.Page
的用法示例。
在下文中一共展示了Page.hasPrevious方法的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: addPaginationData
import org.springframework.data.domain.Page; //導入方法依賴的package包/類
/**
* {@inheritDoc}
*/
@Override
public HttpHeaders addPaginationData(HttpHeaders headers, Page<?> page) {
addHeaderAndLog(headers, ApiHttpHeaders.TOTAL_COUNT, this.totalCountHeaderBuilder.buildTotal(page));
if (!page.isFirst()) {
addHeaderAndLog(headers, ApiHttpHeaders.LINK, this.linkHeaderBuilder.buildFirst());
}
if (!page.isLast()) {
addHeaderAndLog(headers, ApiHttpHeaders.LINK, this.linkHeaderBuilder.buildLast(page));
}
if (page.hasPrevious()) {
addHeaderAndLog(headers, ApiHttpHeaders.LINK, this.linkHeaderBuilder.buildPrev(page));
}
if (page.hasNext()) {
addHeaderAndLog(headers, ApiHttpHeaders.LINK, this.linkHeaderBuilder.buildNext(page));
}
return headers;
}
示例2: getAllBooks
import org.springframework.data.domain.Page; //導入方法依賴的package包/類
@GetMapping
public ResponseEntity<List<Book>> getAllBooks(
@PageableDefault(size = MAX_PAGE_SIZE) Pageable pageable,
@RequestParam(required = false, defaultValue = "id") String sort,
@RequestParam(required = false, defaultValue = "asc") String order) {
final PageRequest pr = PageRequest.of(
pageable.getPageNumber(), pageable.getPageSize(),
Sort.by("asc" .equals(order) ? Sort.Direction.ASC : Sort.Direction.DESC, sort)
);
Page<Book> booksPage = bookRepository.findAll(pr);
if (booksPage.getContent().isEmpty()) {
return new ResponseEntity(HttpStatus.NO_CONTENT);
} else {
long totalBooks = booksPage.getTotalElements();
int nbPageBooks = booksPage.getNumberOfElements();
HttpHeaders headers = new HttpHeaders();
headers.add("X-Total-Count", String.valueOf(totalBooks));
if (nbPageBooks < totalBooks) {
headers.add("first", buildPageUri(PageRequest.of(0, booksPage.getSize())));
headers.add("last", buildPageUri(PageRequest.of(booksPage.getTotalPages() - 1, booksPage.getSize())));
if (booksPage.hasNext()) {
headers.add("next", buildPageUri(booksPage.nextPageable()));
}
if (booksPage.hasPrevious()) {
headers.add("prev", buildPageUri(booksPage.previousPageable()));
}
return new ResponseEntity<>(booksPage.getContent(), headers, HttpStatus.PARTIAL_CONTENT);
} else {
return new ResponseEntity(booksPage.getContent(), headers, HttpStatus.OK);
}
}
}