"><span class="item1"></span><i >多边形</i>
            </li>
            <li   onclick="squareQuery()"><span class="item1"></span><i >拉框</i>
            </li>

            <li class="divider"></li>
            <li  onclick="deleteAll()"><span class="item3"></span><i>清空</i>
            </li>
        </ul>
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