function initCalendarBody() {
  $cOntent= document.createElement("div");
  addClass($content, "div_calendar_body");
  $elem.appendChild($content);
  addCalendarHead();

  //日期计算bug，例：2017-01
  var num = 0;
  do {
   var length = 0;
   if (num == 0) {
    //出星期天外，星期数(1~6)和第一行显示的日期数(7~2)，相加的结果都为8
    length = firstWeekDay == 0 &＃63; 1 : 8 - firstWeekDay;
    num = length;
    createLine(length - 1, 1);
   }
   else {
    var length = mds - num > 6 &＃63; 7 : mds - num;
    num = num + length;
    createLine(length - 1);
   }
  }
  while (num  0) {
    bindAttendance(span, attendances[index]);
   }
   span.appendChild(span_text);
   newDiv.appendChild(span);
  }
  if (type == 1) {
   addClass(newDiv, "first_div")
  }
  else {
   addClass(newDiv, "last_div")
  }
  $content.appendChild(newDiv);
 }

.div_calendar {
 width: 450px;
 margin: 0 auto;
 text-align: center;
 display: -webkit-box;
}

/** 日历标题 */
.div_calendar_title {
 width: 450px;
 margin: 0 auto;
 text-align: center;
}

/** 日历主体 */
.div_calendar_body {
 width: 350px;
 text-align: center;
}

/** 日元素 */
.div_calendar span {
 width: 50px;
 display: inline-block;
 text-align: center;
 line-height: 50px;
}

/** 正常 */
.div_calendar span.normal {
 color: blue;
}

/** 迟到 */
.div_calendar span.late {
 color: red;
}

/** 缺勤 */
.div_calendar span.absense {
 color: #666;
}

/** 缺勤 */
.div_calendar span.today {
 border-radius: 50%;
 background: cornflowerblue;
}

/** 日历第一行日期 */
.div_calendar .first_div {
 text-align: right;
}

/** 日历末行日期 */
.div_calendar .last_div {
 text-align: left;
}

/** 日期显示div */
.div_calendar .div_currentDate {
 text-align: right;
}

.div_calendar .changeDate {
 cursor: pointer;
}

.div_calendar .div_currentDate span {
 width: inherit;
}

.div_calendar .div_currentDate span em {
 margin: 5px;
}

 
 
 


自定义日历