spring-mvc - 返回JSON作为ResponseEntity

Question

我的 Controller 中有一个方法应该以JSON返回String。它为非原始类型返回JSON:

@RequestMapping(value = "so", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
ResponseEntity<String> so() {
    return new ResponseEntity<String>("This is a String", HttpStatus.OK);
}

curl 响应为:

This is a String

Answer 1

@RequestMapping(value = "so", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
public @ResponseBody String so() {
    return "This is a String";
}