feat: 后端全量更新 - 含所有本次需求

- Contract.php: 返回合约账户余额(balance_contract) - My.php: 地址管理增加BTC/ETH - AppContract.php: 一键平仓(closeall) - AppProxy.php: 代理专属注册链接 + 分级权限(L1/L2) - site.php: 手续费减半(0.018→0.009) - agent_permission_setup.sql: 代理权限SQL - crypto_news_crawler.py: 新闻自动采集脚本
2026-03-30 20:16:32 +08:00
commit 1b24994e74
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+<!DOCTYPE html>
+<html>
+<head>
+  <title>Draggable Link Labels That Stay On Path</title>
+  <!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
+  <meta name="description" content="This variation on the LinkLabelDraggingTool extension restricts link labels to stay on the link's route while the user is dragging it." />
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <script src="../release/go.js"></script>
+  <script src="LinkLabelOnPathDraggingTool.js"></script>
+  <script src="../assets/js/goSamples.js"></script>  <!-- this is only for the GoJS Samples framework -->
+  <script id="code">
+    function init() {
+      if (window.goSamples) goSamples();  // init for these samples -- you don't need to call this
+      var $ = go.GraphObject.make;
+
+      myDiagram =
+        $(go.Diagram, "myDiagramDiv", // the ID of the DIV HTML element
+          {
+            layout: $(go.ForceDirectedLayout,
+              { defaultSpringLength: 50, defaultElectricalCharge: 50 }),
+            "undoManager.isEnabled": true
+          });
+
+      // install the LinkLabelDraggingTool as a "mouse move" tool
+      myDiagram.toolManager.mouseMoveTools.insertAt(0, new LinkLabelOnPathDraggingTool());
+
+      myDiagram.nodeTemplate =
+        $(go.Node, go.Panel.Auto,
+          { locationSpot: go.Spot.Center },
+          $(go.Shape,
+            {
+              fill: "orange",  // default fill color
+              portId: "",
+              fromLinkable: true,
+              fromSpot: go.Spot.AllSides,
+              toLinkable: true,
+              toSpot: go.Spot.AllSides,
+              cursor: "pointer"
+            },
+            new go.Binding("fill", "color")),
+          $(go.TextBlock,
+            { margin: 10, font: "bold 12pt sans-serif" },
+            new go.Binding("text"))
+        );
+
+      myDiagram.linkTemplate =
+        $(go.Link,
+          {
+            routing: go.Link.AvoidsNodes,
+            corner: 5,
+            relinkableFrom: true,
+            relinkableTo: true,
+            reshapable: true,
+            resegmentable: true
+          },
+          $(go.Shape),
+          $(go.Shape, { toArrow: "OpenTriangle" }),
+          $(go.Panel, "Auto",
+            // mark this Panel as being a draggable label, and set default segment props
+            { _isLinkLabel: true, segmentIndex: NaN, segmentFraction: .5 },
+            $(go.Shape, { fill: "white" }),
+            $(go.TextBlock, "?", { margin: 3 },
+              new go.Binding("text", "color")),
+            // remember any modified segment properties in the link data object
+            new go.Binding("segmentFraction").makeTwoWay()
+          )
+        );
+
+      // create a few nodes and links
+      myDiagram.model = new go.GraphLinksModel([
+        { key: 1, text: "one", color: "lightyellow" },
+        { key: 2, text: "two", color: "brown" },
+        { key: 3, text: "three", color: "green" },
+        { key: 4, text: "four", color: "slateblue" },
+        { key: 5, text: "five", color: "aquamarine" },
+        { key: 6, text: "six", color: "lightgreen" },
+        { key: 7, text: "seven" }
+      ], [
+          { from: 5, to: 6, color: "orange" },
+          { from: 1, to: 2, color: "red" },
+          { from: 1, to: 3, color: "blue" },
+          { from: 1, to: 4, color: "goldenrod" },
+          { from: 2, to: 5, color: "fuchsia" },
+          { from: 3, to: 5, color: "green" },
+          { from: 4, to: 5, color: "black" },
+          { from: 6, to: 7 }
+        ]);
+    }
+  </script>
+</head>
+<body onload="init()">
+<div id="sample">
+  <div id="myDiagramDiv" style="background-color: whitesmoke; border: solid 1px black; width: 100%; height: 600px"></div>
+  <p>
+    This sample demonstrates a custom Tool, LinkLabelOnPathDraggingTool, that allows the user to drag the label of a Link,
+    but that keeps the label exactly on the path of the link.
+    The tool is defined at <a href="LinkLabelOnPathDraggingTool.js">LinkLabelOnPathDraggingTool.js</a>.
+  </p>
+  <p>
+    The label on the link can be any arbitrarily complex object.
+    It is positioned by the <a>GraphObject.segmentIndex</a> and <a>GraphObject.segmentFraction</a> properties.
+    The segmentIndex is set to NaN such that the whole link path acts as the segment, and the segmentFraction is set by the LinkLabelOnPathDraggingTool.
+    A two-way data binding on segmentFraction automatically remembers any modified value on the link data object in the model.
+  </p>
+  <p>
+    The tool is derived from a similar tool, <a href="LinkLabelDraggingTool.js">LinkLabelDraggingTool.js</a>,
+    that allows the user to drag the label in any direction from the mid-point of the Link path.
+  </p>
+</div>
+</body>
+</html>