//item是变量,add和jian是class名字
:class="[item > 0? 'add' : 'jian']"
//tabActive是类名,activeId是变量
:class="{'tabActive':activeId == 1}"
:style="{color:(changeMoneyId == 1?'#fff':'#333')}"
//item是变量,add和jian是class名字
:class="[item > 0? 'add' : 'jian']"
//tabActive是类名,activeId是变量
:class="{'tabActive':activeId == 1}"
:style="{color:(changeMoneyId == 1?'#fff':'#333')}"