云台添加功能，实现上下左右，保存预置位

src/views/realTimeMonitor/components/ptzDevice/ptzDraw.vue

@@ -102,8 +102,10 @@
               border
               style="width: 100%"
             >
-              <el-table-column prop="name" label="预置位"> </el-table-column>
-              <el-table-column label="操作">
+              <el-table-column prop="name" label="名称"> </el-table-column>
+              <el-table-column prop="presetNo" label="预置位号">
+              </el-table-column>
+              <el-table-column label="操作" width="140">
                 <template slot-scope="scope">
                   <el-button
                     @click.native.stop="handleSet(scope.row)"