<div class="progress"> <div class="progress-bar progress-bar-info progress-bar-striped active" style="width: ${si.cpurchase/si.ctotal*100}%;"> <div class="progress-value"> ${si.cpurchase/si.ctotal*100}% </div> </div> </div> <h4>已购买：${si.cpurchase/si.ctotal*100}%</h4>怎么保留两位小数或者一位
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