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一个简单编程思想在php与java中的实现比较:日期类!

WBOY
Release: 2016-06-21 09:11:44
Original
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比较|编程

以前用PHP时写了一个简单的class,功能主要是解决,大量页面上需要显示下拉列表框选择年/月/日/周之类的。希望对大家学习PHP和java能有帮助。

php的实现如下:
getCurrentDate.class.php
/*
* 功能:生成下拉列表(年/月/日/周为当前值)
* 程序员:xiangli
* 日期:2003-01-19
*/

#---------------------------------------------------#
# 修改:2003-03-18                                  #
# 修改原因:添加了周的生成                            #
#-------------------------------------------------#

class getCurrentDate{
  var    $Years = 2002;
  var    $Months = 12;
  var    $Days = 31;
  var    $Weeks = 52;
  
    /*获得年的下拉列表*/
    function getCurrentYear()
    {
        for ($i = Date('Y'); $i >= $this->Years; $i--)
        {
            echo "\n";
        }
    }

    /*获得月的下拉列表*/
    function getCurrentMonth()
    {
        for ($i = 1; $i Months; $i++)
        {
            ($i            if($i == date('m'))
                echo "\n";
            else
                echo "\n";
        }
    }

    /*获得日的下拉列表*/
    function getCurrentDay()
    {
        for ($i = 1; $i Days; $i++){
            if($i == date('d'))
                echo "\n";
            else
                echo "\n";
        }
    }
    
    /*获得周的下拉列表*/
    function getCurrentWeek()
    {
        for ($i = 1; $i Weeks; $i++){
            if($i == date('W'))
                echo "\n";
            else
                echo "\n";
        }
    }    
}
?>

调用如下:
includ("../public/getCurrentDate.class.php");
$getCurrentDate = net getCurrentDate();

//////////////////////////////////////////////////////////


java的实现方法:
getCurrentDate.java
/*
* 功能:生成下拉列表(年/月/日/周为当前值)
* 程序员:xiangli
* 日期:2003-01-19
*/

// #---------------------------------------------------#
// # 修改:2003-03-18                                 #
// # 修改原因:添加了周的生成                         #
// #-------------------------------------------------#

import java.io.*;
import java.util.*;
import java.text.*;

public class getCurrentDate {
  public int Years = 2002;
  public int Months = 12;
  public int Days = 31;
  public int Weeks = 52;
  Date myDate = new Date();
  SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd w");
  
    /*获得年的下拉列表*/
    public String getCurrentYear()
    {
        String Content = "";
        for (int i =  Integer.parseInt(formatter.format(myDate).toString().substring(0, 4)); i >= Years; i--)
        {
            Content += "\n";
             
        }
        return Content;
    }

    /*获得月的下拉列表*/
    public String getCurrentMonth()
    {
        String m;
        String Content = "";
        
        for (int i = 1; i         {
            m=i            if(i == Integer.parseInt(formatter.format(myDate).toString().substring(5, 7)))
                Content += "\n";
            else
                Content += "\n";
        }
        return Content;
    }

    /*获得日的下拉列表*/
    public String getCurrentDay()
    {
        String Content = "";
        String m;
        
        for (int i = 1; i             m=i            if(i == Integer.parseInt(formatter.format(myDate).toString().substring(8, 10)))
                Content += "\n";
            else
                Content += "\n";
        }
        return Content;
    }
    
    /*获得周的下拉列表*/
    public String getCurrentWeek()
    {
        String Content = "";
        String m;
        
        for (int i = 1; i             m=i            if(i == Integer.parseInt(formatter.format(myDate).toString().substring(11)))
                Content += "\n";
            else
                Content += "\n";
        }
        return Content;
    }    
}


调用方法:




 



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