ORACLE 自动发邮件代码(3)
时间:2015-07-12 16:27 来源:linux.it.net.cn 作者:IT
L_MESG VARCHAR2 (32767);
/* 以上部分是发送大二进制附件时用到的变量 */
TYPE ADDRESS_LIST
IS
TABLE OF VARCHAR2 (100)
INDEX BY BINARY_INTEGER;
MY_ADDRESS_LIST ADDRESS_LIST;
TYPE ACCT_LIST
IS
TABLE OF VARCHAR2 (100)
INDEX BY BINARY_INTEGER;
MY_ACCT_LIST ACCT_LIST;
-------------------------------------返回附件源文件所在目录或者名称-----------------------
FUNCTION GET_FILE (P_FILE VARCHAR2, P_GET INT)
RETURN VARCHAR2
IS
--p_get=1 表示返回目录
--p_get=2 表示返回文件名
L_FILE VARCHAR2 (1000);
BEGIN
IF INSTR (P_FILE, '\') > 0
THEN
--windows
IF P_GET = 1
THEN
L_FILE := SUBSTR (P_FILE, 1, INSTR (P_FILE, '\', -1) - 1);
ELSIF P_GET = 2
THEN
L_FILE :=
SUBSTR (P_FILE, - (LENGTH (P_FILE) - INSTR (P_FILE, '\', -1)));
END IF;
ELSIF INSTR (P_FILE, '/') > 0
THEN
--linux/unix
IF P_GET = 1
THEN
L_FILE := SUBSTR (P_FILE, 1, INSTR (P_FILE, '/', -1) - 1);
ELSIF P_GET = 2
THEN
L_FILE :=
SUBSTR (P_FILE, - (LENGTH (P_FILE) - INSTR (P_FILE, '/', -1)));
END IF;
END IF;
RETURN L_FILE;
END;
---------------------------------------------删除directory------------------------------------
PROCEDURE DROP_DIRECTORY (P_DIRECTORY_NAME VARCHAR2)
IS
BEGIN
EXECUTE IMMEDIATE 'drop directory ' || P_DIRECTORY_NAME;
EXCEPTION
WHEN OTHERS
THEN
NULL;
END;
--------------------------------------------------创建directory-----------------------------------------
PROCEDURE CREATE_DIRECTORY (P_DIRECTORY_NAME VARCHAR2, P_DIR VARCHAR2)
IS
BEGIN
EXECUTE IMMEDIATE 'create directory '
|| P_DIRECTORY_NAME
|| ' as '''
|| P_DIR
|| '''';
EXECUTE IMMEDIATE 'grant read,write on directory '
|| P_DIRECTORY_NAME
|| ' to public';
EXCEPTION
WHEN OTHERS
THEN
RAISE;
END;
--------------------------------------------分割邮件地址或者附件地址--------------------
PROCEDURE P_SPLITE_STR (P_STR VARCHAR2, P_SPLITE_FLAG INT DEFAULT 1 )
IS
L_ADDR VARCHAR2 (254) := '';
L_LEN INT;
L_STR VARCHAR2 (4000);
J INT := 0; --表示邮件地址或者附件的个数
BEGIN
/*处理接收邮件地址列表,包括去空格、将;转换为,等*/
L_STR :=
TRIM (RTRIM (REPLACE (REPLACE (P_STR, ';', ','), ' ', ''), ','));
L_LEN := LENGTH (L_STR);
FOR I IN 1 .. L_LEN
LOOP
IF SUBSTR (L_STR, I, 1) <> ','
THEN
L_ADDR := L_ADDR || SUBSTR (L_STR, I, 1);
ELSE
J := J + 1;
IF P_SPLITE_FLAG = 1
THEN --表示处理邮件地址
--前后需要加上'<>',否则很多邮箱将不能发送邮件
L_ADDR := '<' || L_ADDR || '>';
--调用邮件发送过程
MY_ADDRESS_LIST (J) := L_ADDR;
ELSIF P_SPLITE_FLAG = 2
THEN --表示处理附件名称
MY_ACCT_LIST (J) := L_ADDR;
END IF;
L_ADDR := '';
END IF;
IF I = L_LEN
THEN
J := J + 1;
IF P_SPLITE_FLAG = 1
THEN
--调用邮件发送过程
L_ADDR := '<' || L_ADDR || '>';
MY_ADDRESS_LIST (J) := L_ADDR;
ELSIF P_SPLITE_FLAG = 2
THEN
MY_ACCT_LIST (J) := L_ADDR;
END IF;
END IF;
END LOOP;
END;
------------------------------------------------写邮件头和邮件内容------------------------------------------
PROCEDURE WRITE_DATA (P_CONN IN OUT NOCOPY UTL_SMTP.CONNECTION,
P_NAME IN VARCHAR2,
P_VALUE IN VARCHAR2,
P_SPLITE VARCHAR2 DEFAULT ':' ,
P_CRLF VARCHAR2 DEFAULT L_CRLF )
IS
BEGIN
/* utl_raw.cast_to_raw 对解决中文乱码问题很重要*/
UTL_SMTP.WRITE_RAW_DATA (
P_CONN,
UTL_RAW.CAST_TO_RAW (
CONVERT (P_NAME || P_SPLITE || P_VALUE || P_CRLF, 'ZHS16GBK')
)
);
END;
----------------------------------------写MIME邮件尾部-----------------------------------------------------
PROCEDURE END_BOUNDARY (CONN IN OUT NOCOPY UTL_SMTP.CONNECTION,
LAST IN BOOLEAN DEFAULT FALSE )
IS
BEGIN
UTL_SMTP.WRITE_DATA (CONN, UTL_TCP.CRLF);
IF (LAST)
THEN
UTL_SMTP.WRITE_DATA (CONN, LAST_BOUNDARY);
END IF;
END;
----------------------------------------------发送附件----------------------------------------------------
PROCEDURE ATTACHMENT (
CONN IN OUT NOCOPY UTL_SMTP.CONNECTION,
MIME_TYPE IN VARCHAR2 DEFAULT 'text/plain' ,
INLINE IN BOOLEAN DEFAULT TRUE ,
FILENAME IN VARCHAR2 DEFAULT 't.txt' ,
TRANSFER_ENC IN VARCHAR2 DEFAULT '7 bit' ,
DT_NAME IN VARCHAR2 DEFAULT '0'
)
IS
L_FILENAME VARCHAR2 (1000);
BEGIN
--写附件头
UTL_SMTP.WRITE_DATA (CONN, FIRST_BOUNDARY);
--设置附件格式
WRITE_DATA (CONN, 'Content-Type', MIME_TYPE);
--如果文件名称非空,表示有附件
DROP_DIRECTORY (DT_NAME);
--创建directory
CREATE_DIRECTORY (DT_NAME, GET_FILE (FILENAME, 1));
--得到附件文件名称
L_FILENAME := GET_FILE (FILENAME, 2);
IF (INLINE)
THEN
WRITE_DATA (CONN,
'Content-Disposition',
'inline; filename="' || L_FILENAME || '"');
ELSE
WRITE_DATA (CONN,
'Content-Disposition',
'attachment; filename="' || L_FILENAME || '"');
END IF;
--设置附件的转换格式
IF (TRANSFER_ENC IS NOT NULL)
THEN
WRITE_DATA (CONN, 'Content-Transfer-Encoding', TRANSFER_ENC);
END IF;
UTL_SMTP.WRITE_DATA (CONN, UTL_TCP.CRLF);
--begin 贴附件内容
IF TRANSFER_ENC = 'bit 7'
THEN
--如果是文本类型的附件
BEGIN
L_FILE_HANDLE := UTL_FILE.FOPEN (DT_NAME, L_FILENAME, 'r'); --打开文件
--把附件分成多份,这样可以发送超过32K的附件
LOOP
UTL_FILE.GET_LINE (L_FILE_HANDLE, L_LINE);
L_MESG := L_LINE || L_CRLF;
WRITE_DATA (CONN,
'',
L_MESG,
'',
'');
END LOOP;
UTL_FILE.FCLOSE (L_FILE_HANDLE);
END_BOUNDARY (CONN);
EXCEPTION
WHEN OTHERS
THEN
UTL_FILE.FCLOSE (L_FILE_HANDLE);
END_BOUNDARY (CONN);
NULL;
END; --结束文本类型附件的处理
ELSIF TRANSFER_ENC = 'base64'
THEN
--如果是二进制类型的附件
BEGIN
--把附件分成多份,这样可以发送超过32K的附件
L_FILEPOS := 1; --重置offset,在发送多个附件时,必须重置
L_FIL := BFILENAME (DT_NAME, L_FILENAME);
L_FILE_LEN := DBMS_LOB.GETLENGTH (L_FIL);
L_MODULO := MOD (L_FILE_LEN, L_AMT);
L_PIECES := TRUNC (L_FILE_LEN / L_AMT);
IF (L_MODULO <> 0)
THEN
L_PIECES := L_PIECES + 1;
END IF;
DBMS_LOB.FILEOPEN (L_FIL, DBMS_LOB.FILE_READONLY);
DBMS_LOB.READ (L_FIL,
L_AMT,
L_FILEPOS,
L_BUF);
L_DATA := NULL;
FOR I IN 1 .. L_PIECES
LOOP
L_FILEPOS := I * L_AMT + 1;
L_FILE_LEN := L_FILE_LEN - L_AMT;
L_DATA := UTL_RAW.CONCAT (L_DATA, L_BUF);
L_CHUNKS := TRUNC (UTL_RAW.LENGTH (L_DATA) / L_MAX_LINE_WIDTH);
IF (I <> L_PIECES)
THEN
L_CHUNKS := L_CHUNKS - 1;
END IF;
UTL_SMTP.WRITE_RAW_DATA (CONN,
UTL_ENCODE.BASE64_ENCODE (L_DATA));
L_DATA := NULL;
IF (L_FILE_LEN < L_AMT AND L_FILE_LEN > 0)
THEN
L_AMT := L_FILE_LEN;
END IF;
DBMS_LOB.READ (L_FIL,
L_AMT,
L_FILEPOS,
L_BUF);
END LOOP;
DBMS_LOB.FILECLOSE (L_FIL);
END_BOUNDARY (CONN);
EXCEPTION
WHEN OTHERS
THEN
DBMS_LOB.FILECLOSE (L_FIL);
END_BOUNDARY (CONN);
RAISE;
END; --结束处理二进制附件
END IF; --结束处理附件内容
DROP_DIRECTORY (DT_NAME);
END; --结束过程ATTACHMENT
---------------------------------------------真正发送邮件的过程--------------------------------------------
PROCEDURE P_EMAIL (P_SENDORADDRESS2 VARCHAR2, --发送地址
P_RECEIVERADDRESS2 VARCHAR2) --接受地址
IS
L_CONN UTL_SMTP.CONNECTION; --定义连接
BEGIN
/*初始化邮件服务器信息,连接邮件服务器*/
L_CONN := UTL_SMTP.OPEN_CONNECTION (P_SERVER, P_PORT);
UTL_SMTP.HELO (L_CONN, P_SERVER);
/* smtp服务器登录校验 */
IF P_NEED_SMTP = 1
THEN
UTL_SMTP.COMMAND (L_CONN, 'AUTH LOGIN', '');
UTL_SMTP.COMMAND (
L_CONN,
UTL_RAW.CAST_TO_VARCHAR2 (
UTL_ENCODE.BASE64_ENCODE (UTL_RAW.CAST_TO_RAW (P_USER))
)
);
UTL_SMTP.COMMAND (
L_CONN,
UTL_RAW.CAST_TO_VARCHAR2 (
UTL_ENCODE.BASE64_ENCODE (UTL_RAW.CAST_TO_RAW (P_PASS))
)
);
END IF;
/*设置发送地址和接收地址*/
UTL_SMTP.MAIL (L_CONN, P_SENDORADDRESS2);
UTL_SMTP.RCPT (L_CONN, P_RECEIVERADDRESS2);
/*设置邮件头*/
UTL_SMTP.OPEN_DATA (L_CONN);
WRITE_DATA (L_CONN, 'Date', TO_CHAR (SYSDATE, 'yyyy-mm-dd hh24:mi:ss'));
/*设置发送人*/
WRITE_DATA (L_CONN, 'From', P_SENDOR);
/*设置接收人*/
WRITE_DATA (L_CONN, 'To', P_RECEIVER);
/*设置邮件主题*/
WRITE_DATA (L_CONN, 'Subject', P_SUB);
WRITE_DATA (L_CONN, 'Content-Type', MULTIPART_MIME_TYPE);
UTL_SMTP.WRITE_DATA (L_CONN, UTL_TCP.CRLF);
UTL_SMTP.WRITE_DATA (L_CONN, FIRST_BOUNDARY);
WRITE_DATA (L_CONN, 'Content-Type', 'text/plain;charset=gb2312');
--单独空一行,否则,正文内容不显示
UTL_SMTP.WRITE_DATA (L_CONN, UTL_TCP.CRLF);
/* 设置邮件正文
把分隔符还原成chr(10)。这主要是为了shell中调用该过程,如果有多行,则先把多行的内容合并成一行,并用 l_splite分隔
然后用 l_crlf替换chr(10)。这一步是必须的,否则将不能发送邮件正文有多行的邮件
*/
WRITE_DATA (
L_CONN,
'',
REPLACE (REPLACE (P_TXT, L_SPLITE, CHR (10)), CHR (10), L_CRLF),
'',
''
);
END_BOUNDARY (L_CONN);
--如果文件名称不为空,则发送附件
IF (P_FILENAME IS NOT NULL)
THEN
--根据逗号或者分号拆分附件地址
P_SPLITE_STR (P_FILENAME, 2);
--循环发送附件(在同一个邮件中)
FOR K IN 1 .. MY_ACCT_LIST.COUNT
LOOP
ATTACHMENT (
CONN => L_CONN,
FILENAME => MY_ACCT_LIST (K),
TRANSFER_ENC => P_ENCODE,
DT_NAME => L_DIRECTORY_BASE_NAME || TO_CHAR (K)
);
END LOOP;
END IF;
/*关闭数据写入*/
UTL_SMTP.CLOSE_DATA (L_CONN);
/*关闭连接*/
UTL_SMTP.QUIT (L_CONN);
/*异常处理*/
EXCEPTION
WHEN OTHERS
THEN
NULL;
RAISE;
END;
---------------------------------------------------主过程-----------------------------------------------------
BEGIN
L_SENDORADDRESS := '<' || P_SENDOR || '>';
P_SPLITE_STR (P_RECEIVER); --处理邮件地址
FOR K IN 1 .. MY_ADDRESS_LIST.COUNT
LOOP
P_EMAIL (L_SENDORADDRESS, MY_ADDRESS_LIST (K));
END LOOP;
/*处理邮件地址,根据逗号分割邮件*/
EXCEPTION
WHEN OTHERS
THEN
RAISE;
END;
(责任编辑:IT)
L_MESG VARCHAR2 (32767); /* 以上部分是发送大二进制附件时用到的变量 */ TYPE ADDRESS_LIST IS TABLE OF VARCHAR2 (100)
INDEX BY BINARY_INTEGER;
FUNCTION GET_FILE (P_FILE VARCHAR2, P_GET INT)
PROCEDURE P_SPLITE_STR (P_STR VARCHAR2, P_SPLITE_FLAG INT DEFAULT 1 )
PROCEDURE WRITE_DATA (P_CONN IN OUT NOCOPY UTL_SMTP.CONNECTION,
--把附件分成多份,这样可以发送超过32K的附件
FOR I IN 1 .. L_PIECES
/*关闭数据写入*/ (责任编辑:IT) |