微信小程序中使用自定义图标（阿里icon）的方法

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@font-face {
  font-family: 'iconfont';
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}
.iconfont {
font-family:"iconfont" !important;
font-size:16px;
font-style:normal;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
.icon-fanhui:before { content: "\f0343"; }
.icon-gengduo:before { content: "\f0344"; }
</style>

<view class="iconfont icon-fanhui">
      返回
</view>
<view class="iconfont icon-gengduo">
      更多
</view>