java String字符串与Date的相互转换

红太狼 2022-06-03 03:05 210阅读 0赞

package time;  
  
  
import java.util.Date;  
import org.apache.commons.lang.time.DateFormatUtils;  
import org.apache.commons.lang.time.DateUtils;  
  
  
public class Time \{  
public static void main(String\[\] args)\{  
try \{  
        Date dateStart = DateUtils.parseDate("2017/11/15 19::00", new String\[\]\{"yyyy/MM/dd hh:mm:ss"\});//字符串转Date  
        String startDate = DateFormatUtils.format(dateStart, "yyyy-MM-dd HH:mm:ss");//Date转字符串

Date dateStart1 = DateUtils.parseDate("2018-10-12T11:15:42Z", new String\[\]\{"yyyy-MM-dd'T'hh:mm:ss'Z'"\});//字符串转Date  
        System.out.println(startDate1);  
\} catch (Exception e) \{  
e.printStackTrace();  
\}  
\}  
\}

以下是java将"30/Sep/2018:10:47:23 +0800" 时间格式转为yyyyMMddHH的demo

public static void main(String[] args){
    		try {
    			String timeLocal ="30/Sep/2018:10:47:23 +0800";
    			System.out.println(changeTimeLocal(timeLocal));
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    	}
    
    	/**
    	 * 将"30/Sep/2018:10:47:23 +0800" 时间格式转为yyyyMMddHH
    	 * @param timeLocal
    	 * @return
    	 */
    	private static String changeTimeLocal(String timeLocal){
    		try {
    			if(StringUtils.isNotEmpty(timeLocal)){
    				String timeLocalStrAll[] = timeLocal.split(" ");
    				SimpleDateFormat df = new SimpleDateFormat("dd/MMM/yyyy:HH:mm:ss", Locale.US);
    				if(StringUtils.isNotEmpty(timeLocalStrAll[0])){
    					Date date = df.parse(timeLocalStrAll[0]);
    					SimpleDateFormat Tmp_df = new SimpleDateFormat("yyyyMMddHH", Locale.US);
    					return Tmp_df.format(date);
    				}
    			}
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
    		return null;
    	}