逐步完成前后端服务器

frontend/node_modules/echarts/lib/chart/sankey/sankeyVisual.js

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+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+
+/**
+ * AUTO-GENERATED FILE. DO NOT MODIFY.
+ */
+
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+import * as zrUtil from 'zrender/lib/core/util.js';
+import VisualMapping from '../../visual/VisualMapping.js';
+export default function sankeyVisual(ecModel) {
+  ecModel.eachSeriesByType('sankey', function (seriesModel) {
+    var graph = seriesModel.getGraph();
+    var nodes = graph.nodes;
+    var edges = graph.edges;
+    if (nodes.length) {
+      var minValue_1 = Infinity;
+      var maxValue_1 = -Infinity;
+      zrUtil.each(nodes, function (node) {
+        var nodeValue = node.getLayout().value;
+        if (nodeValue < minValue_1) {
+          minValue_1 = nodeValue;
+        }
+        if (nodeValue > maxValue_1) {
+          maxValue_1 = nodeValue;
+        }
+      });
+      zrUtil.each(nodes, function (node) {
+        var mapping = new VisualMapping({
+          type: 'color',
+          mappingMethod: 'linear',
+          dataExtent: [minValue_1, maxValue_1],
+          visual: seriesModel.get('color')
+        });
+        var mapValueToColor = mapping.mapValueToVisual(node.getLayout().value);
+        var customColor = node.getModel().get(['itemStyle', 'color']);
+        if (customColor != null) {
+          node.setVisual('color', customColor);
+          node.setVisual('style', {
+            fill: customColor
+          });
+        } else {
+          node.setVisual('color', mapValueToColor);
+          node.setVisual('style', {
+            fill: mapValueToColor
+          });
+        }
+      });
+    }
+    if (edges.length) {
+      zrUtil.each(edges, function (edge) {
+        var edgeStyle = edge.getModel().get('lineStyle');
+        edge.setVisual('style', edgeStyle);
+      });
+    }
+  });
+}