12345678910111213141516171819202122232425262728293031323334353637383940414243class="raTime"2018-9-28~2018-9-28class="raTab"class="raTitle"新增会员留存class="nav nav-pills fr taTabSel"role="presentation" class="active day"日role="presentation" class="week"周role="presentation" class="month"月class="raTable"日期新用户数第2 class="raTop"天第3 class="raTop"天第4 class="raTop"天第5 class="raTop"天第6 class="raTop"天第7 class="raTop"天第30 class="raTop"天第90 class="raTop"天2018-9-19882 | 33%3 | 70%4 | 95%3 | 39%21 | 50%40 | 35%3 | 59%21 | 70%2018-9-16542 | 19%
通过表格中数据的大小改变单元格背景颜色深浅,通过透明度来改变颜色深浅