Java 如何在URI行中将对象作为查询参数传递?
你能帮我解释一下我应该如何传递作者值吗Java 如何在URI行中将对象作为查询参数传递?,java,spring,spring-mvc,model-view-controller,Java,Spring,Spring Mvc,Model View Controller,你能帮我解释一下我应该如何传递作者值吗 @GetMapping(value = "/search") public ResponseEntity<List<Book>> searchBooksByTitleAndAuthor( @RequestParam(value = "title", required = false) final String title, @RequestParam(value = "auth
@GetMapping(value = "/search")
public ResponseEntity<List<Book>> searchBooksByTitleAndAuthor(
@RequestParam(value = "title", required = false) final String title,
@RequestParam(value = "author", required = false) final Author author) {
HttpStatus httpStatus = HttpStatus.OK;
List<Book> books = null;
if (title == null && author == null) {
log.info("Empty request");
httpStatus = HttpStatus.BAD_REQUEST;
} else if (title == null || author == null) {
books = bookService.getBooksByTitleOrAuthor(title, author);
} else {
Optional<Book> book = bookService.getBookByTitleAndAuthor(title, author);
if (book.isPresent()) {
books = Arrays.asList(book.get());
}
}
if (books == null) {
return new ResponseEntity<>(httpStatus);
} else {
return new ResponseEntity<>(books, httpStatus);
}
}
在这种情况下,使用author或@RequestParam而不是request body是一种好方法吗?
我曾考虑只请求作为作者姓名的字符串,但这会影响服务的方法。根据。。。您可以(在作者.dateOfBirth
上设置一些转换注释后):
@RequestParam
(并让您的控制器/用户
进行转换):
在这种情况下,您会要求:
http://localhost:8080/myApp/search?title=foo&author={"id"="1",...}
http://localhost:8080/myApp/search?title=foo&id=1&name=Donald E. Knuth&...
@RequestParam
,但传递对象(并让spring负责转换):
并要求:
http://localhost:8080/myApp/search?title=foo&author={"id"="1",...}
http://localhost:8080/myApp/search?title=foo&id=1&name=Donald E. Knuth&...
-
根据。。。您可以(在
作者.dateOfBirth
上设置一些转换注释后):
@RequestParam
(并让您的控制器/用户
进行转换):
在这种情况下,您会要求:
http://localhost:8080/myApp/search?title=foo&author={"id"="1",...}
http://localhost:8080/myApp/search?title=foo&id=1&name=Donald E. Knuth&...
@RequestParam
,但传递对象(并让spring负责转换):
并要求:
http://localhost:8080/myApp/search?title=foo&author={"id"="1",...}
http://localhost:8080/myApp/search?title=foo&id=1&name=Donald E. Knuth&...