[add] EventBus使用

Project/assets/Script/HelloWorld.ts

@@ -0,0 +1,41 @@
+// Learn TypeScript:
+//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
+// Learn Attribute:
+//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
+// Learn life-cycle callbacks:
+//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html
+
+const { ccclass, property } = cc._decorator;
+
+@ccclass
+export default class HelloWorld extends cc.Component {
+
+	@property(cc.Label)
+	public Label: cc.Label = null;
+
+	@property
+	public Text: string = 'hello';
+
+	@property(cc.Button)
+	public Btn: cc.Button = null;
+
+	// LIFE-CYCLE CALLBACKS:
+
+	// protected onLoad() {}
+
+	public onClickBtn() {
+		let url: string = window.location.search;
+		let URLscheme: any[] = [];
+		if (url.indexOf("?") !== -1) {
+			let str = url.substring(1);
+			let strs = str.split("&");
+			for (let i = 0; i < strs.length; i++) {
+				URLscheme[strs[i].split("=")[0]] = decodeURI(strs[i].split("=")[1]);
+			}
+		}
+		if (URLscheme["host"]) {
+			opener?.window.parent.postMessage({ data: "hello" }, URLscheme["host"]);
+			window.close();
+		}
+	}
+}

Project/assets/Script/HelloWorld.ts.meta

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+{
+  "ver": "1.0.8",
+  "uuid": "fdc7a7f1-b81c-4e03-b45f-06e57e3529a6",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}