使用SpringMVC參數註解@PathVariable時出錯提示:
Missing URI template variable 'employeeNumber' for method parameter of type String
@RequestMapping(value = "/findUserByEmployeeNumber/{EmployeeNumber}",method = RequestMethod.GET)
public ResponseEntity<TodoUser> findByNumber(@PathVariable @Valid String employeeNumber){
...
}
如果@RequestMapping中表示爲”item/{id}”,id和形參名稱一致,@PathVariable不用指定名稱。如果不一致,例如”item/{ItemId}”則需要指定名稱@PathVariable(“itemId”)。
因此原代碼中的參數
@RequestMapping(value = "/findUserByEmployeeNumber/{EmployeeNumber}
中{EmployeeNumber}變量名需要和@PathVariable @Valid String employeeNumber
中一樣
修改後:
- 方法一:參數名一致
@RequestMapping(value = "/findUserByEmployeeNumber/{employeeNumber}",method = RequestMethod.GET)
public ResponseEntity<TodoUser> findByNumber(@PathVariable @Valid String employeeNumber){
...
}
- 方法二:添加別名
@RequestMapping(value = "/findUserByEmployeeNumber/{employeeNumber}",method = RequestMethod.GET)
public ResponseEntity<TodoUser> findByNumber(@PathVariable("employeeNumber") @Valid String Number){
...
}
注意兩個區別
- @PathVariable是獲取url上數據的。
- @RequestParam獲取請求參數的(包括post表單提交)
轉載地址:https://blog.csdn.net/xhyxxx/article/details/76111196