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>Minimal Image Blob and Download</title>
+  <!-- Copyright 1998-2020 by Northwoods Software Corporation. -->
+  <meta name="description" content="Minimal, showing image Blob creation and download with Diagram.makeImageData." />
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+
+  <script src="../release/go.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;  // for conciseness in defining templates
+
+      myDiagram = $(go.Diagram, "myDiagramDiv",  // create a Diagram for the DIV HTML element
+        {
+          "undoManager.isEnabled": true  // enable undo & redo
+        });
+
+      // define a simple Node template
+      myDiagram.nodeTemplate =
+        $(go.Node, "Auto",  // the Shape will go around the TextBlock
+          $(go.Shape, "RoundedRectangle", { strokeWidth: 0 },
+            // Shape.fill is bound to Node.data.color
+            new go.Binding("fill", "color")),
+          $(go.TextBlock,
+            { margin: 8 },  // some room around the text
+            // TextBlock.text is bound to Node.data.key
+            new go.Binding("text", "key"))
+        );
+
+      // but use the default Link template, by not setting Diagram.linkTemplate
+
+      // create the model data that will be represented by Nodes and Links
+      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: "Beta", to: "Beta" },
+          { from: "Gamma", to: "Delta" },
+          { from: "Delta", to: "Alpha" }
+        ]);
+
+      document.getElementById("blobButton").addEventListener("click", makeBlob);
+    }
+
+    // When the blob is complete, make an anchor tag for it and use the tag to initiate a download
+    // Works in:
+    // * Chrome
+    // * IE11, Edge
+    // * Firefox
+    function myCallback(blob) {
+      var url = window.URL.createObjectURL(blob);
+      var filename = "myBlobFile.png";
+
+      var a = document.createElement("a");
+      a.style = "display: none";
+      a.href = url;
+      a.download = filename;
+
+      // IE 11
+      if (window.navigator.msSaveBlob !== undefined) {
+        window.navigator.msSaveBlob(blob, filename);
+        return;
+      }
+
+      document.body.appendChild(a);
+      requestAnimationFrame(function() {
+        a.click();
+        window.URL.revokeObjectURL(url);
+        document.body.removeChild(a);
+      });
+    }
+
+    function makeBlob() {
+      var blob = myDiagram.makeImageData({ background: "white", returnType: "blob", callback: myCallback });
+    }
+  </script>
+</head>
+<body onload="init()">
+<div id="sample">
+  <!-- The DIV for the Diagram needs an explicit size or else we won't see anything.
+       This also adds a border to help see the edges of the viewport. -->
+  <div id="myDiagramDiv" style="border: solid 1px black; width:400px; height:400px"></div>
+  <button id="blobButton">Make Blob and Download</button>
+  <p>
+    This sample shows how to use <a>Diagram.makeImageData</a> with the <code>returnType: "blob"</code> option
+    and the necessary <code>callback</code> option.
+  </p>
+  <p>
+    Blobs may not be supported or work consistently on all browsers.
+    This code was tested with Chrome, Firefox, IE11 and Edge.
+  </p>
+</div>
+</body>
+</html>