我想spring您不知道将其转换json为JSONObject，最好的办法是接受POJO object结构与您相似的json，
@RequestMapping(value = "/package/{id}", method = RequestMethod.PUT)
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public SPackage updatePackage(@PathVariable String id, @RequestBody YourJsonPOJO
sPackage) {
}
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