~~~ @ModelAttribute public Account start(){ Account account=new Account(1,"LUCY","2018-12-12"); return account; } @RequestMapping("/testModelAttribute") public String testModelAttribute(Account account) { System.out.println(account); return SUCCESS; } //另一种指定为abc @ModelAttribute(value="abc") public Account start(){ Account account=new Account(1,"LUCY","2018-12-12"); return account; } @RequestMapping("/testModelAttribute") public String testModelAttribute(@ModelAttribute("abc") Account account) { System.out.println(account); return SUCCESS; } ~~~