JavaScript格式化日期

JavaScript格式化日期

d为实例化Date对象 //格式化日期 function format(d){ var str=d.getFullYear()+"年"+repair0(d.getMonth()+1)+"月"+repair0(d.getDate())+"日 "+getWeekday(d); document.write(str+"<br/>"); return str; } //补零 function repair0(n){ return n<10? '0'+n : n; } //返回星期几 function getWeekday(d){ var daynum=d.getDay(); document.write(daynum); var weekday; switch(daynum){ case 0: weekday="星期一"; break; case 1: weekday="星期二"; break; case 2: weekday="星期三"; break; case 3: weekday="星期四"; break; case 4: weekday="星期五"; break; case 5: weekday="星期六"; break; default: weekday="星期日"; break; } return weekday; }