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
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+<!DOCTYPE html>
+<html>
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>GoJS in Node.js -- Northwoods Software</title>
+  <!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
+  <script src="../release/go.js"></script>
+  <script src="goIntro.js"></script>
+</head>
+<body onload="goIntro()">
+<div id="container" class="container-fluid">
+  <div id="content">
+    <h1>Using GoJS with Node.js</h1>
+
+    <p>
+      As of 2.0, GoJS can be used in DOM-less contexts like Node.js. However there are some considerations:
+      <ul>
+        <li>
+          Since there is no Diagram DIV, you must instead set the <a>Diagram.viewSize</a> property.
+          This affects all the same values as the DIV size, like Diagram.position and layout results from layouts that are viewport-sized.
+        </li>
+        <li>Cannot measure go.Pictures, you must set a <a>GraphObject.desiredSize</a> instead.</li>
+        <li>Cannot measure go.TextBlocks accurately, you should set a <a>GraphObject.desiredSize</a> instead.</li></li>
+      </ul>
+    </p>
+
+    <p>
+      For server-side operations that need to measure Pictures or TextBlocks, you should consider using a headless browser with Node.
+      <a href="serverSideImages.html">Click here for examples using Node with Puppeteer (headless Chrome)</a>.
+    </p>
+
+    <h2 id="NodeJSExample">Node.js example</h2>
+
+    <p>
+      If you saved the following JavaScript as <code>nodescript.js</code> and run it with node (<code>node nodescript.js</code>),
+      it will output Model JSON results in the console, which include the locations of laid-out Nodes. You can use Node.js
+      in this way to do server-side operations like large layouts, and then send the JSON to the client.
+    </p>
+
+<pre class="lang-js">
+// nodescript.js
+// This example loads the GoJS library, creates a Diagram with a layout and prints the JSON results.
+
+// Load GoJS.  This assumes using require and CommonJS:
+const go = require("gojs");
+
+const $ = go.GraphObject.make;  // for conciseness in defining templates
+
+const myDiagram =
+  $(go.Diagram, '', // No DOM, so there can be no DIV!
+    {
+      viewSize: new go.Size(400,400), // Set this property in DOM-less environments
+      layout: $(go.LayeredDigraphLayout)
+    });
+
+myDiagram.nodeTemplate =
+  $(go.Node, 'Auto',
+    // specify the size of the node rather than measuring the size of the text
+    { width: 80, height: 40 },
+    // automatically save the Node.location to the node's data object
+    new go.Binding('location', 'loc', go.Point.parse).makeTwoWay(go.Point.stringify),
+    $(go.Shape, 'RoundedRectangle', { strokeWidth: 0},
+      new go.Binding('fill', 'color')),
+    $(go.TextBlock,
+      new go.Binding('text', 'key'))
+  );
+
+// After the layout, output results:
+myDiagram.addDiagramListener('InitialLayoutCompleted', function() {
+  console.log(myDiagram.model.toJson());
+});
+
+// load a model:
+myDiagram.model = new go.GraphLinksModel(
+[
+  { key: 'Alpha', color: 'lightblue' },
+  { key: 'Beta', color: 'orange' },
+  { key: 'Gamma', color: 'lightgreen' },
+  { key: 'Delta', color: 'pink' }
+],
+[
+  { from: 'Alpha', to: 'Beta' },
+  { from: 'Alpha', to: 'Gamma' },
+  { from: 'Gamma', to: 'Delta' },
+  { from: 'Delta', to: 'Alpha' }
+]);
+</pre>
+
+<p>
+  Alternatively, if your code is saved as <code>nodescript.mjs</code> or your project is of <code>"type": "module"</code>,
+  you can use GoJS as an ES6 module:
+</p>
+<pre class="lang-js">
+// nodescript.mjs
+// This example loads the GoJS library, creates a Diagram with a layout and prints the JSON results.
+
+// Load GoJS.  This assumes using import and ES6 modules:
+import * as go from "gojs/release/go.mjs";
+
+const $ = go.GraphObject.make;
+. . .
+</pre>
+  </div>
+</div>
+</body>
+</html>