package cn.ksource.test;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Date;
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import java.util.GregorianCalendar;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import org.springframework.util.StringUtils;
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import cn.ksource.core.util.DateUtil;
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import cn.ksource.core.util.JsonUtil;
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public class MyTest {
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public static void main(String[] args) throws Exception{
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Map map=new HashMap();
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List list=new ArrayList();
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map.put("list", list);
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list.add("1");
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list.add("2");
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List l=(List)map.get("list");
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System.out.println(l.size());
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Date d=new Date(System.currentTimeMillis());
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System.out.println(d.getDate());
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Map m=new HashMap();
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m.put("2", "3");
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System.out.println(m.get("2"));
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String strDate = "2006-2-18 17:01:01";
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
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Calendar calendar = new GregorianCalendar();
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Date date1 = sdf.parse(strDate);
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calendar.setTime(date1);
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calendar.setTime(date1); //放入你的日期
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System.out.println("天数为=" + calendar.getActualMaximum(Calendar.DAY_OF_MONTH));
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Date d1=calendar.getTime();
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System.out.println(date1.getDate()+"=="+d1.getDate());
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strDate = "2006-2-19 5:02:01";
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Date date2 = sdf.parse(strDate);
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Calendar calendar2 = new GregorianCalendar();
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calendar2.setTime(date2);
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System.out.println(calendar2.compareTo(calendar));
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String str[]={"1"};
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System.out.println(org.apache.commons.lang.StringUtils.contains("a,b", ","));
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System.out.println("a,a".contains(","));
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StringBuilder sb=new StringBuilder();
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sb.append("a");
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sb.append("b");
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System.out.println(sb);
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sb=new StringBuilder(sb.substring(0, sb.length()-1));
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System.out.println(sb);
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String aa=null;
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System.out.println(aa);
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boolean flag=StringUtils.isEmpty(aa);
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System.out.println(flag);
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Map mm=new HashMap();
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aa=String.valueOf(mm.get("a"));
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System.out.println(aa);
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System.out.println(aa.equals("null"));
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System.out.println(DateUtil.format(new Date(), "yyyy-MM"));
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}
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}
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