Home Database Mysql Tutorial PL/SQL下SQL结果集以html形式发送邮件

PL/SQL下SQL结果集以html形式发送邮件

Jun 07, 2016 pm 02:53 PM
html send result mail

在运维的过程中,有时候需要定时将SQL查询的数据结果集以html表格形式发送邮件,因此需要将SQL查询得到的结果集拼接成html代码。对于这种情形通常有二种方式来完成。一是直接使用cron job来定时轮询并借助os级别的邮件程序来完成。其查询结果集可以直接在S

在运维的过程中,有时候需要定时将SQL查询的数据html">结果集以html表格形式发送邮件,因此需要将SQL查询得到的结果集拼接成html代码。对于这种情形通常有二种方式来完成。一是直接使用cron job来定时轮询并借助os级别的邮件程序来完成。其查询结果集可以直接在SQL*Plus下通过设置html标签自动实现html表格形式。一种方式是在Oracle中使用scheduler job来定时轮询。这种方式需要我们手动拼接html代码。本文即是对第二种情形展开描述。

关于PL/SQL下如何发送邮件可参考: PL/SQL 下邮件发送程序

1、代码描述

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--下面的代码段主要主要是用于发送数据库A部分数据同步到数据库B是出现的错误信息

--表syn_data_err_log_tbl主要是记录错误日志,也就是说只要表中出现了新的记录或者旧记录且mailed列标志为N,即表示需要发送邮件

--下面逐一描述代码段信息,该代码段可以封装到package.

 PROCEDURE email_on_syn_data_err_log (err_num   OUT NUMBER,

                                        err_msg   OUT VARCHAR2)

   AS

      v_msg_txt        VARCHAR2 (32767);

      v_sub            VARCHAR2 (100);

      v_html_header    VARCHAR (4000);

      v_html_content   VARCHAR (32767);

      v_count          NUMBER;

      v_log_seq        NUMBER (12);

      v_loop_count     NUMBER := 0;

 

      CURSOR cur_errlog    --使用cursor来生成表格标题部分

      IS

           SELECT '

                            

'

                  || TO_CHAR (sd.log_seq)

                  || '

                            

'

                  || sd.process

                  || '

'

                  || '

'

                  || sd.rec_id

                  || '

'

                  || '

'

                  || REPLACE (REPLACE (sd.err_msg, '', ';')

                  || '

'

                  || '

'

                  || TO_CHAR (sd.log_time, 'yyyy-mm-dd hh24:mi:ss')

                  || '

                            

',

                  sd.log_seq

             FROM syn_data_err_log_tbl sd

            WHERE sd.mailed = 'N'

         ORDER BY sd.log_seq;

   BEGIN

      err_num := common_pkg.c_suc_general;

 

      SELECT COUNT (*)    

        INTO v_count        -->统计当次需要发送的总记录数

        FROM syn_data_err_log_tbl sd

       WHERE sd.mailed = 'N';

 

      IF v_count > 0        --> 表示有记录需要发送邮件

      THEN

         SELECT 'Job process failed on ' || instance_name || 'http://www.3lian.com/' || host_name

           INTO v_sub       -->生成邮件的subject 

           FROM v$instance;

 

         v_html_header :=             -->定义表格的header部分信息

            '

                    #log-table {

                    margin: 0;

                    padding: 0;

                    width: 90%;

                    border-collapse: collapse;

                    font: 12px "Lucida Grande", Helvetica, Sans-Serif;

                    border:1px solid #CCC;

                    }

                    #log-table td {

                    padding: 5px;

                    border:1px solid #CCC;

                    }

                    #log-table th {

                    padding: 5px;

                    background: black;

                    color: white;

                    text-align: left;

                    }

                    #log-table tr:nth-child(even) td {

                    background: #eee;

                    }

                    

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