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用oracle发送邮件

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用oracle发送邮件(功能很全)


  /*

  作用:用oracle发送邮件

  主要功能:1、支持多收件人。

            2、支持中文


            3、支持大于32K的附件

            4、支持多行正文

            5、支持多附件

            6、支持文本附件和二进制附件

            7、支持HTML格式



  作者:suk

  参数说明:

            p_txt :邮件正文

            p_sub: 邮件标题

            p_SendorAddress : 发送人邮件地址

            p_ReceiverAddress : 接收地址,可以同时发送到多个地址上,地址之间用","或者";"隔开

            p_EmailServer : 邮件服务器地址,可以是域名或者IP

            p_Port :邮件服务器端口

            p_need_smtp:是否需要smtp认证,0表示不需要,1表示需要

            p_user:smtp验证需要的用户名

            p_pass:smtp验证需要的密码

            p_filename:附件名称,必须包含完整的路径,如"d:\tempa.txt"。

                        可以有多个附件,附件名称只见用逗号或者分号分隔

            p_encode:附件编码转换格式,其中 p_encode='bit 7' 表示文本类型附件

                                             p_encode='base64' 表示二进制类型附件

  注意:

        1、对于文本类型的附件,不能用base64的方式发送,否则出错

        2、对于多个附件只能用同一种格式发送

  */

CREATEORREPLACE PROCEDURE PROCSENDEMAIL(P_TXT       VARCHAR2,

                                          P_SUB       VARCHAR2,

                                          P_SENDOR    VARCHAR2,

                                          P_RECEIVER  VARCHAR2,

                                          P_SERVER    VARCHAR2,

                                          P_PORT      NUMBERDEFAULT25,

                                          P_NEED_SMTP INTDEFAULT0,

                                          P_USER      VARCHAR2DEFAULTNULL,

                                          P_PASS      VARCHAR2DEFAULTNULL,

                                          P_FILENAME  VARCHAR2DEFAULTNULL,

                                          P_ENCODE    VARCHAR2DEFAULT'bit 7')

  AUTHID CURRENT_USER IS




  L_CRLF VARCHAR2(2) :=UTL_TCP.CRLF;

  L_SENDORADDRESS VARCHAR2(4000);

  L_SPLITE        VARCHAR2(10) :='++';

  BOUNDARY            CONSTANT VARCHAR2(256) :='-----BYSUK';

  FIRST_BOUNDARY      CONSTANT VARCHAR2(256) :='--'||BOUNDARY||L_CRLF;

  LAST_BOUNDARY       CONSTANT VARCHAR2(256) :='--'||BOUNDARY||'--'||

                                                L_CRLF;

  MULTIPART_MIME_TYPE CONSTANT VARCHAR2(256) :='multipart/mixed; boundary="'||

                                                BOUNDARY||'"';

  /* 以下部分是发送大二进制附件时用到的变量 */

  L_FIL                 BFILE;

  L_FILE_LEN            NUMBER;

  L_MODULO              NUMBER;

  L_PIECES              NUMBER;

  L_FILE_HANDLE         UTL_FILE.FILE_TYPE;

  L_AMT                 BINARY_INTEGER:=672*3;/* ensures proper format;  2016 */

  L_FILEPOS             PLS_INTEGER:=1;/* pointer for the file */

  L_CHUNKS              NUMBER;

  L_BUF                 RAW(2100);

  L_DATA                RAW(2100);

  L_MAX_LINE_WIDTH      NUMBER:=54;

  L_DIRECTORY_BASE_NAME VARCHAR2(100) :='DIR_FOR_SEND_MAIL';

  L_LINE                VARCHAR2(1000);

  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--------------------------------------

  FUNCTIONGET_FILE(P_FILE VARCHAR2,

                    P_GET  INT) RETURNVARCHAR2 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

    IFINSTR(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;



使用实例:
代码:

SQL>set serverout on
SQL>exec PROCSENDEMAIL('中文测试邮件','中文主题','space6212@163.com','space6212@163.com,susk@souchang.com','202.108.5.85',25,1,'xxxx','xxxx','/tmp/a.jpg,/tmp/b.jpg','base64');

PL/SQL procedure successfully completed.
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