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SimpleDateFormat sf = new SimpleDateFormat("yyyy-MM-dd"); Calendar c = Calendar.getInstance(); System.out.println(“当前日期: ”+sf.format(c.getTime())); c. 阅读全文
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按点(.)切分,必须要注意转义!如:split("\\.")。 例子: [java] view plain copy print? public class Test { public static void main(String[] args) { String s = "adhahd.txt" 阅读全文
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1.命名空间 using System.Net.Mail; 2.创建一个MailMessage类的对象 [csharp] view plaincopy MailMessage mail = new MailMessage(); [csharp] view plaincopy [csharp] vie 阅读全文