CREATE OR REPLACE FUNCTION fn_md5_utf16le (InputString IN VARCHAR2) RETURN VARCHAR2 IS retval varchar2(50); /******************************************************* 用途: 获取字符串对应的MD5值 *******************************************************/ BEGIN retval := lower(utl_raw.cast_to_raw(DBMS_OBFUSCATION_TOOLKIT.MD5(INPUT_STRING => convert(InputString,'AL16UTF16LE')))); RETURN retval; END;