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(SELECT STUFF(( SELECT '/' + vfm2.EmbassyNames FROM VisaFeeMain AS vfm2 WHERE vfm2.id = vfm.id FOR XML PATH('')),1,1,'') AS city ) AS '前往国家' 阅读全文
posted @ 2020-10-30 15:39
火军刀
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private static void DatetimeDiff(Date begin, Date end) { long diff = 0; try { diff = (end.getTime() - begin.getTime());// 得到两者的毫秒数 } catch (Exception 阅读全文
posted @ 2020-10-08 21:39
火军刀
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Eclipse默认不关联java源码,Ctrl+鼠标左键定位源码时会出现Source not found提示: 要使其关联,操作如下: 第一步:点击Window下的Preferences 第二步:左侧功能树中选择Java下的Installed JRES,鼠标点击右边的jre1.8.0...或你自己的 阅读全文
posted @ 2020-10-06 13:22
火军刀
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所有版本: https://www.oracle.com/java/technologies/javase-downloads.html Java SE Development Kit 15 Documentation https://www.oracle.com/java/technologies 阅读全文
posted @ 2020-10-02 16:27
火军刀
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