spring mvc 默認用的是 jackson 來解析 json 的，所以 Date 的解析得下面這麽用

@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss", timezone = "GMT+8")
private Date lastupdatetime;

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@ResponseBody
@RequestMapping(method = RequestMethod.POST, value = "/testdate")
public String testdate(@RequestParam @DateTimeFormat(pattern="yyyy-MM-dd HH:mm:ss")Date birthday) {
System.out.println("a====a");
System.out.println(birthday);
return "aaa";
}

springmvc json轉對象時日期轉化