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                DAO 參數注解 === #### @Param注釋標簽 使用@Param注釋指定方法(method)的參數名**別名**,這樣就可以在SQL指令中通過**別名**引用方法(method)的參數。 **方法:** ``` Map<String,Object> getMap2(@Param("empnokey") String empno,@Param("namekey")String name); ``` **SQL:** ``` SELECT * FROM employee WHERE empno = :empnokey and name = :namekey ``` **注意:** 通過@Param標記,方法的全部參數必須都設置別名,否則會提示錯誤,盡量別名和參數名保持一致 #### @Arguments注釋標簽 使用@Arguments注釋指定方法(method)的參數的別名,這樣就可以在SQL指令中通過別名引用方法(method)的參數。 **方法:** ``` @Arguments({"empnokey","namekey"}) Map getMap(String empno,String name); ``` **SQL:** ``` SELECT * FROM employee WHERE empno = :empnokey and name = :namekey ``` 說明:盡量別名和參數名保持一致。
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