我的控制器在requestmapping中有可选参数存在问题,请在下面的控制器上查看:
@GetMapping(produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<List<Books>> getBooks() {
return ResponseEntity.ok().body(booksService.getBooks());
}
@GetMapping(
produces = MediaType.APPLICATION_JSON_VALUE,
params = {"from", "to"}
)
public ResponseEntity<List<Books>>getBooksByFromToDate(
@RequestParam(value = "from", required = false) String fromDate,
@RequestParam(value = "to", required = false) String toDate)
{
return ResponseEntity.ok().body(bookService.getBooksByFromToDate(fromDate, toDate));
}
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现在,当我发送如下请求时:
/getBooks?from=123&to=123
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没关系,请求转到“ getBooksByFromToDate”方法,但是当我使用发送类似的东西时:
/getBooks?from=123
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要么
/getBooks?to=123
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转到“ getAlerts”方法
是否可以在@RequestMapping中使可选参数= {“ from”,“ to”}?有什么提示吗?