I want to set the issue ID auto numbered include the day like following format.
For example,if it is the first issue created at 2015/11/18,it will be;
if it is the secound issue created at 2015/11/20,it will be;
If it is not possible, I'm thinking same format put in summary.
So please tell me if there are any way to do this in issue ID or Summay.
No, you can't do it with the ID - JIRA creates them sequentially and expects them to be of a very very specific format. You'd have to rewrite quite a lot of the core.
Summary is possible, but not great - your users must always enter a summary, so, although you can write code that will change the summary to what you want, it will be overwriting what they put in. If you're going to take that route, I'd think about pre-pending it (i.e. user enters "Mr Flibble" for the summary, and the issue ends up with something like "2015-11-20 Mr Flibble"), or maybe using Behaviours to pre-populate and hide the summary. Also, remove summary from edit and transition screens, or the users could break it.
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