Moment.js moment().week()用法及代码示例

moment().week()方法用于获取或设置Moment对象的星期。这是一种区域设置感知方法，因此数字周将根据当前区域设置而有所不同。这会有所不同，因为根据区域设置，一周的第一天可以是星期日或星期一。

注意：当使用此方法设置星期时，星期几将保持不变。

用法:

moment().week( Number );

Parameters: 该方法接受如上所述和如下所述的单个参数：

Number: 这是必须为 Moment 对象设置的周。它是一个可选参数。

返回值：此方法返回 Moment 的当前周。

注意：这在普通的 Node.js 程序中不起作用，因为它需要全局安装或在项目目录中安装外部moment.js 库。

Moment.js 可以使用以下命令安装：

moment模块的安装：

npm install moment

以下示例将演示 Moment.js moment().week() 方法。

示例 1：

Javascript


const moment = require('moment'); 
  
console.log("Current Date:", moment().toString()) 
console.log("Current week is:", moment().week()) 
  
let week1 = moment().week(1); 
console.log( 
    "Moment with Week of 1 is:", 
    week1.toString() 
) 
  
let week40 = moment().week(40); 
console.log( 
    "Moment with Week of 40 is:", 
    week40.toString() 
)

输出：

Current Date: Wed Jul 13 2022 01:02:36 GMT+0530
Current week is: 29
Moment with Week of 1 is: Wed Dec 29 2021 01:02:36 GMT+0530
Moment with Week of 40 is: Wed Sep 28 2022 01:02:36 GMT+0530

示例 2：在此示例中，我们将了解不同区域设置如何影响指定的周。

Javascript


const moment = require('moment'); 
  
console.log("Current Date:", moment().toString()) 
console.log("Current week is:", moment().week()) 
  
let week1en = moment().locale('en').week(1); 
console.log( 
    "Moment with Week of 1 with locale 'en' is:", 
    week1en.toString() 
) 
  
let week1br = moment().locale('br').week(1); 
console.log( 
    "Moment with Week of 1 with locale 'br' is:", 
    week1br.toString() 
) 
  
let week1in = moment().locale('in').week(52); 
console.log( 
    "Moment with Week of 52 with locale 'in' is:", 
    week1in.toString() 
) 
  
let week1fr = moment().locale('fr').week(52); 
console.log( 
    "Moment with Week of 52 with locale 'fr' is:", 
    week1fr.toString() 
)

输出：

Current Date: Wed Jul 13 2022 01:02:36 GMT+0530
Current week is: 29
Moment with Week of 1 with locale ‘en’ is: Wed Dec 29 2021 01:02:36 GMT+0530
Moment with Week of 1 with locale ‘br’ is: Wed Jan 05 2022 01:02:36 GMT+0530
Moment with Week of 52 with locale ‘in’ is: Wed Dec 21 2022 01:02:36 GMT+0530
Moment with Week of 52 with locale ‘fr’ is: Wed Dec 28 2022 01:02:36 GMT+0530

参考： https://momentjs.com/docs/#/get-set/week/

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注：本文由纯净天空筛选整理自sayantanm19大神的英文原创作品 Moment.js moment().week() Method。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。