上面图片：
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566
@RequestMapping(value="/settings", method=RequestMethod.POST, produces = "application/json;charset=UTF-8")
@ResponseBody
public String settingsJson(String user[username], String profile[location], String profile[sex], Model model, HttpSession session) {
return null;
}
String user[username], String profile[location], String profile[sex]
这样不行，报错：Syntax error on token "username", delete this token
应该怎么写
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为什么不用@RequestParam呢，Spring是旧版本吗？