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📜  Java DateFormat parseObject() 方法及示例

📅  最后修改于: 2022-05-13 01:55:09.908000             🧑  作者: Mango

Java DateFormat parseObject() 方法及示例

DateFormat 类的parseObject()方法将通过将字符串解析为 SimpleDateFormat 对象来返回数据。

句法:

public Object parseObject(source,pos)

参数:该方法接受两个参数

  • source:是一个需要解析的字符串。
  • pos:它是带有索引的 ParsePosition 对象。

返回值:此方法将返回从字符串解析的日期,如果出错则返回 null。

示例 1:

Java
// Java program to illustrate 
// DateFormat parseObject() Method 
  
// importing the required packages
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
  
  
class Testclass {
    public static void main (String[] args) {
          
          Date d = new Date();
        
          // printing the actual date value
        System.out.println("Actual Date : "+d);        
            
          // initializing the SimpleDateFormat
        SimpleDateFormat sdf = new SimpleDateFormat("MM-dd-yyyy");
            
          // passing a string to parseObject() 
          // method and converting it into date
        d = (Date) sdf.parseObject("10-11-2021");    
        
          // printing the parsed date value
        System.out.println("Parsed Date : "+d);                    
    }
}


Java
// Java program to illustrate 
// DateFormat parseObject() Method 
  
// importing the required packages
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
  
class Testclass {
    public static void main(String[] args)
    {
  
        // initializing the Date
        Date d = new Date();
  
        // printing the actual date value
        System.out.println("Actual Date : " + d);
  
        // initializing the SimpleDateFormat
        SimpleDateFormat sdf
            = new SimpleDateFormat("MM/dd/yy hh.mm.ss");
  
        // passing a string to parseObject()
        // method and converting it into date
        d = (Date)sdf.parseObject("04/10/21 19.30.45");
  
        // printing the parsed date value
        System.out.println("Parsed Date : " + d);
    }
}


输出
Actual Date : Tue Dec 14 09:49:39 UTC 2021
Parsed Date : Mon Oct 11 00:00:00 UTC 2021

示例 2:

Java

// Java program to illustrate 
// DateFormat parseObject() Method 
  
// importing the required packages
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
  
class Testclass {
    public static void main(String[] args)
    {
  
        // initializing the Date
        Date d = new Date();
  
        // printing the actual date value
        System.out.println("Actual Date : " + d);
  
        // initializing the SimpleDateFormat
        SimpleDateFormat sdf
            = new SimpleDateFormat("MM/dd/yy hh.mm.ss");
  
        // passing a string to parseObject()
        // method and converting it into date
        d = (Date)sdf.parseObject("04/10/21 19.30.45");
  
        // printing the parsed date value
        System.out.println("Parsed Date : " + d);
    }
}
输出
Actual Date : Tue Dec 14 09:53:31 UTC 2021
Parsed Date : Sat Apr 10 19:30:45 UTC 2021