Date month and day supplement 0

/**   * The metadata is 0, the total length of the complement is the specified length, returned as a string   * @param sourcedate   * @param formatlength *   @return Reorganized Data   * /   public  String frontcompwithzore (int sourcedate,int formatlength)   {    /    * * 0 refers to the preceding supplement 0    * The total length of the formatlength character is Formatlength    * d is a positive number.    */    String newstring = String.Format ("%0" +formatlength+ "D", sourcedate);    return  newstring;   }

　　

Date month and day supplement 0