的颜色可使用如下class，如<code>.badge-primary</code>。
                        </p>
                        <p><span class="badge">空</span>
                        </p>
                        <p><span class="badge badge-primary">badge-primary</span>
                        </p>
                        <p><span class="badge badge-info">badge-info</span>
                        </p>
                        <p><span class="badge badge-success">badge-success</span>
                       