• Oracle定时发送邮件提醒 解决主题乱码问题


    --发邮件主要方法

    CREATE OR REPLACE PROCEDURE PROCSENDEMAIL(P_CONTENT VARCHAR2,--邮件正文
    P_SUB VARCHAR2,--邮件标题
    P_SENDER VARCHAR2,--发送人邮件地址
    P_RECEIVER VARCHAR2,--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_SERVER VARCHAR2,--邮件服务器地址,可以是域名或者IP
    P_PORT NUMBER DEFAULT 25,--邮件服务端口 默认 25
    P_NEED_SMTP INT DEFAULT 0,--是否需要smtp认证,0表示不需要,1表示需要
    P_USER VARCHAR2 DEFAULT NULL,--smtp验证需要的用户名
    P_PASS VARCHAR2 DEFAULT NULL,--smtp验证需要的密码
    P_FILENAME VARCHAR2 DEFAULT NULL,--附件名称,必须包含完整的路径,如"d:\temp\a.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 VARCHAR2 DEFAULT 'bit 7')--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
    AUTHID CURRENT_USER IS
    /*
    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
    */

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

    p_subject varchar2(4000);
    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); --出现错误ORA-29279: SMTP 永久性错误: 503 5.5.2 Send hello first.
    UTL_SMTP.ehlo(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_SENDER);
    /*设置接收人*/
    WRITE_DATA(L_CONN, 'To', P_RECEIVER);
    /*设置邮件主题*/

    select replace('=?GB2312?B?'||utl_raw.cast_to_varchar2(utl_encode.base64_encode(rawtohex(p_sub)))||'?=',utl_tcp.crlf,'')
    into p_subject from dual; --解决发送主题乱码问题
    WRITE_DATA(L_CONN, 'Subject',p_subject);

    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_CONTENT, 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_SENDER || '>';
    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;

    --创建发送邮件存储过程

    create or replace procedure SendMail is

    --定义游标 获取任务名称和邮件要发送的人员

      cursor cu_data is

        select name, lower(substr(executeman, instr(executeman, '|') + 1, length(executeman))) || '@xx.com.cn' "USER"

          from projecttask where taskstate = '处理中' and (priority = '1' or priority = '0');

      row cu_data%rowtype;--

    begin

    --循环发送

      for row in cu_data loop 

        procsendemail(p_content   => '请跟踪任务:“' || row.name || '”的进度。谢谢! 地址:http://yjit/',

                      p_sub       => '任务进度提醒!',

                      p_sendor    => 'customer@xx.com.cn',

                      p_receiver  => row.user, --'xx@xx.com.cn',

                      p_server    => 'ts-mail34',

                      p_port      => 25,

                      p_need_smtp => 1,

                      p_user      => 'user',

                      p_pass      => 'password',

                      p_filename  => '',

                      p_encode    => '');

      end loop;

    end SendMail;

    oracle 创建定期发送邮件任务:

    begin

      dbms_scheduler.create_job(

                               

                                job_name => 'TaskAwoke',--工作名称

                               

                                job_type => 'STORED_PROCEDURE',--工作类型

                               

                                job_action => 'SENDMAIL', --存储过程名

                               

                                start_date => sysdate,--工作开始时间

                               

                                repeat_interval => 'FREQ=WEEKLY; BYDAY=MON,WED,FRI',--执行周期表示周一周三周五执行--测试用'FREQ=HOURLY; INTERVAL=1'

                              

                                comments => '重要任务提醒'--备注

                                

                                );

      dbms_scheduler.enable('TaskAwoke');--开启任务

    end;

     
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  • 原文地址:https://www.cnblogs.com/lanyue52011/p/2985886.html
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