eChart适应div

Question

我正在使用eChart库，我想知道是否有任何方法可以使div内具有特定高度和宽度的图表适应

    <div class="row" id="graph-1">
      <div id="graph-1-main" ></div>
      <script src="market/graphs/prices/js/prices.js" charset="utf-8"></script>
    </div>