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public class SendEmail extends Thread{ private User user; public SendEmail(User user) { this.user=user; } //发送人邮箱; private String fromEamil="发送人@qq.co 阅读全文
posted @ 2022-03-25 22:28
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public class upLoadServlet extends HttpServlet { @Override protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletExcep 阅读全文
posted @ 2022-03-25 21:42
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public void test(){ long l = 1l; long l1=2l; int i; System.out.println(((Long) l).doubleValue()+" "); DecimalFormat df = new DecimalFormat("0%"); Stri 阅读全文
posted @ 2022-03-25 21:41
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Dataformat form1 = new SimpleDateFormat("yyyy-MM-dd"); String birday = req.getParameter("birthday"); Date date = form1.parse(birday); 把String类型的改成date 阅读全文
posted @ 2022-03-25 18:54
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