// 百分比计算

template.defaults.imports.percentage = function (num1, num2) {if(!num1 && !num1){

       return 0+'%';

    }else{

       return Math.round(num1 / (num1 + num2) * 100) + '%';

    }

}

    <script type="text/html" id="content">

        <div class="coping-ratio-content-fl">

            <div class="coping-ratio-content-title">

                百分比<span>{{cash,total | percentage}}</span>

            </div>

        </div>

    </script>

$(".header").html(template('content',res.data));