从当前日期减去 1 周 - javascript

Question

这就是我获取当前日期（dd-MMM-yyyy 格式）的方式。我如何减去1周。

    var m_names = new Array("JAN", "FEB", "MAR",
            "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC");

    var d = new Date();
    var curr_date = d.getDate();
    var curr_month = d.getMonth();
    var curr_year = d.getFullYear();
    var current = curr_date + "-" + m_names[curr_month] + "-" + curr_year;

Answer 1

d.setDate(d.getDate() - 7);只需在您的后面添加var d = new Date();

 var m_names = new Array("JAN", "FEB", "MAR",
     "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC");
 var d = new Date();
 d.setDate(d.getDate() - 7);
 var curr_date = d.getDate();
 var curr_month = d.getMonth();
 var curr_year = d.getFullYear();
 var current = curr_date + "-" + m_names[curr_month] + "-" + curr_year;

jsFiddle 示例

Answer 2

你可以这样尝试：-

var d= new Date();
d.setDate(d.getDate() - 7);

使用Date.js你可以这样做：

Date.parse("t - 7 d").toString("MM-dd-yyyy");     
Date.today().addDays(-7).toString("MM-dd-yyyy");  
Date.today().addWeeks(-1).toString("MM-dd-yyyy");