优化邮件发送记录编辑功能

ruoyi-system/src/main/java/com/ruoyi/wisdomarbitrate/service/sendrecord/impl/SendMailRecordServiceImpl.java

 import org.springframework.stereotype.Service;
 
 import java.io.File;
+import java.util.Date;
 import java.util.List;
 
 @Service
                 msSendMailHistoryRecord.setParentId(old.getId());
                 msSendMailHistoryRecord.setId(null);
                 msSendMailHistoryRecordMapper.insertSelective(msSendMailHistoryRecord);
+                sendMailRecord.setUpdateTime(new Date());
                 sendMailRecordMapper.updateSendMailRecord(sendMailRecord);
                 return AjaxResult.success("编辑成功");
             } else {

ruoyi-system/src/main/resources/mapper/wisdomarbitrate/sendrecord/SendMailRecordMapper.xml

     </insert>
     <update id="updateSendMailRecord">
         update ms_send_mail_record
-        set mail_content= #{mailContent},
-            update_time=#{updateTime},
-            send_time=#{sendTime},
-            send_status=#{sendStatus}
+        set
+        <if test="mailContent != null ">mail_content= #{mailContent}</if>
+        <if test="updateTime != null ">,update_time=#{updateTime}</if>
+        <if test="sendTime != null ">,send_time=#{sendTime}</if>
+        <if test="sendStatus != null ">,send_status=#{sendStatus}</if>
         where id = #{id}
     </update>
     <select id="querySendMailRecordById" resultMap="SendMailRecordResult">