fix: 修改实时数据数据为0展示--问题

package.json

@@ -180,7 +180,8 @@
     "react-redux": "^8.0.5",
     "react-resizable": "^3.0.4",
     "react-window": "1.8.9",
-    "sha1": "^1.1.1"
+    "sha1": "^1.1.1",
+    "skmeans": "^0.11.3"
   },
   "size-limit": [
     {

packages/extend-components/EC_AlarmCurve/src/demos/Basic.tsx

-import React from 'react';
+import React, { useState } from 'react';
 import { LimitCurve } from '../index';
+import { Button } from 'antd';
 
 const Demos = () => {
+  const [open, setOpen] = useState(false);
+
   return (
     <>
-      <LimitCurve />
+      <Button
+        onClick={() => {
+          setOpen(true);
+        }}
+      >
+        打开限制曲线
+      </Button>
+      <LimitCurve open={open} />
     </>
   );
 };

packages/extend-components/EC_AlarmCurve/src/limitCurve/K-means.js

+  const getDataRanges = (extremes) => {
+    var ranges = [];
+
+    for (var dimension in extremes) {
+      ranges[dimension] = extremes[dimension].max - extremes[dimension].min;
+    }
+
+    return ranges;
+  }
+
+  const getDataExtremes = (data)=> {
+    var extremes = [];
+
+    for (var i in data) {
+      var point = data[i];
+
+      for (var dimension in point) {
+        if (!extremes[dimension]) {
+          extremes[dimension] = { min: 1000, max: 0 };
+        }
+
+        if (point[dimension] < extremes[dimension].min) {
+          extremes[dimension].min = point[dimension];
+        }
+
+        if (point[dimension] > extremes[dimension].max) {
+          extremes[dimension].max = point[dimension];
+        }
+      }
+    }
+
+    return extremes;
+  }
+
+  const initMeans = (k, dataExtremes, dataRange) => {
+    if (!k) {
+      k = 3;
+    }
+    const means = [];
+    while (k--) {
+      var mean = [];
+      for (var dimension in dataExtremes) {
+        mean[dimension] = dataExtremes[dimension].min + Math.random() * dataRange[dimension];
+      }
+
+      means.push(mean);
+    }
+
+    return means;
+  }
+
+  const makeAssignments = (means, data) => {
+    const assignments = {};
+    for (var i in data) {
+      var point = data[i];
+      var distances = [];
+      for (var j in means) {
+        var mean = means[j];
+        var sum = 0;
+
+        for (var dimension in point) {
+          var difference = point[dimension] - mean[dimension];
+          difference *= difference;
+          sum += difference;
+        }
+
+        distances[j] = Math.sqrt(sum);
+      }
+      assignments[i] = distances.indexOf(Math.min.apply(null, distances));
+    }
+    return assignments;
+  }
+const setup = (data) => {
+    const dataExtremes = getDataExtremes(data);
+    const dataRange = getDataRanges(dataExtremes);
+    const means = initMeans(3, dataExtremes, dataRange);
+
+    return makeAssignments(means, data);
+  }
+
+export default setup;

packages/extend-components/EC_RealTimeInfo/src/index.js

@@ -212,7 +212,7 @@ const RealTimeInfo = (props) => {
         item.type = curData1[0].name || '--';
       }
       if (curData2.length) {
-        item.value = curData2[0].pv || '--';
+        item.value = curData2[0].pv || curData2[0].pv === 0 ? curData2[0].pv : '--';
       }
     });
     return newData;