|  | @@ -1,6 +1,6 @@
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				|  |  |  <template>
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				|  |  |      <div id="devicePosition" style="width: 100vw; height: 91vh;">
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				|  |  | -      <el-container style="height: 91vh;" v-loading="isLoging">
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				|  |  | +      <el-container v-if="onOff" style="height: 91vh;" v-loading="isLoging">
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				|  |  |          <el-aside width="auto" style="background-color: #ffffff">
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				|  |  |            <DeviceTree ref="deviceTree" :clickEvent="clickEvent" :contextMenuEvent="contextmenuEventHandler" ></DeviceTree>
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				|  |  |          </el-aside>
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				|  | @@ -8,6 +8,9 @@
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				|  |  |            <MapComponent ref="map"></MapComponent>
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				|  |  |          </el-main>
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				|  |  |        </el-container>
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				|  |  | +      <div v-if="!onOff" style="width: 100%; height:100%; text-align: center; line-height: 5rem">
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				|  |  | +        <p>地图功能已关闭</p>
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				|  |  | +      </div>
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				|  |  |        <div ref="infobox" v-if="channel != null " >
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				|  |  |          <div v-if="channel != null" class="infobox-content">
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				|  |  |            <el-descriptions class="margin-top" :title="channel.name" :column="1" :colon="true" size="mini" :labelStyle="labelStyle" >
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				|  | @@ -55,6 +58,7 @@ export default {
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				|  |  |    },
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				|  |  |    data() {
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				|  |  |      return {
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				|  |  | +      onOff: typeof window.mapParam !== "undefined",
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				|  |  |        deviceService: new DeviceService(),
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				|  |  |        layer: null,
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				|  |  |        lineLayer: null,
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