WearMask 2016-11-27 07:44 采纳率: 0%
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为什么会提示打不开Connection连接

![![![![图片说明](https://img-ask.csdn.net/upload/201611/27/1480232641_946158.png)图片说明](https://img-ask.csdn.net/upload/201611/27/1480232623_57230.png)图片说明](https://img-ask.csdn.net/upload/201611/27/1480232619_786368.png)图片说明](https://img-ask.csdn.net/upload/201611/27/1480232609_824972.png)图片说明

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1条回答 默认 最新

  • return null; 2016-11-27 12:56
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    conntion.设成公共的呢。public

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