JS_javascript スキルで時刻の書式設定を実装する方法の概要

コードをコピー コードは次のとおりです:

//扩展Date的format方法
Date.prototype.format = function (format) {
    var o = {
        "M ": this.getMonth() 1,
        "d ": this.getDate(),
        "h ": this.getHours(),
        "m ": this.getMinutes(),
        "s ": this.getSeconds(),
        "q ": Math.floor((this.getMonth() 3) / 3),
        "S": this.getMilliseconds()
    }
    if (/(y )/.test(format)) {
        format = format.replace(RegExp.$1, (this.getFullYear() "").substr(4 - RegExp.$1.length));
    }
    for (var k in o) {
        if (new RegExp("(" k ")").test(format)) {
            format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? o[k] : ("00" o[k]).substr(("" o[k]).length));
        }
    }
    return format;
}
/**
*Convert date object to date string
* @param date Date object
* @param isFull Whether it is complete date data,
* When it is true, the format is such as "2000-03-05 01:05:04"
* When it is false, the format is like "2000-03-05"
* @return a date string that meets the requirements
*/ 
function getSmpFormatDate(date, isFull) {
    var pattern = "";
    if (isFull == true || isFull == undefined) {
        pattern = "yyyy-MM-dd hh:mm:ss";
    } else {
        pattern = "yyyy-MM-dd";
    }
    return getFormatDate(date, pattern);
}
/**
* Convert the current date object into a date string
* @param date Date object
* @param isFull Whether it is complete date data,
* When it is true, the format is like "2000-03- 05 01:05:04"
* When it is false, the format is like "2000-03-05"
* @return a date string that meets the requirements
*/ 

function getSmpFormatNowDate(isFull) {
    return getSmpFormatDate(new Date(), isFull);
}
/**
* Convert long value to date string
* @param l long value
* @param isFull Whether it is complete date data,
* When it is true, the format is such as "2000-03-05 01:05:04"
* When it is false, the format is like "2000-03-05"
* @return a date string that meets the requirements
*/ 

function getSmpFormatDateByLong(l, isFull) {
    return getSmpFormatDate(new Date(l), isFull);
}
/**
*Convert long value to date string
* @param l long value
* @param pattern format string, for example: yyyy-MM-dd hh:mm:ss
* @return conforms Requested date string
*/ 

function getFormatDateByLong(l, pattern) {
    return getFormatDate(new Date(l), pattern);
}
/**
*Convert date object to date string
* @param l long value
* @param pattern format string, for example: yyyy-MM-dd hh:mm:ss
* @return conforms Requested date string
*/ 
function getFormatDate(date, pattern) {
    if (date == undefined) {
        date = new Date();
    }
    if (pattern == undefined) {
        pattern = "yyyy-MM-dd hh:mm:ss";
    }
    return date.format(pattern);
}

//alert(getSmpFormatDate(new Date(1279849429000), true));
//alert(getSmpFormatDate(new Date(1279849429000),false));   
//alert(getSmpFormatDateByLong(1279829423000, true));
//alert(getSmpFormatDateByLong(1279829423000,false));   
//alert(getFormatDateByLong(1279829423000, "yyyy-MM"));
//alert(getFormatDate(new Date(1279829423000), "yy-MM"));
//alert(getFormatDateByLong(1279849429000, "yyyy-MM hh:mm"));