✨ 实现截图分享深渊数据，其他部分的截图分享待定

src/utils/saveImg.ts

@@ -0,0 +1,30 @@
+/**
+ * @file utils saveImg.ts
+ * @description 用于保存图片的工具模块
+ * @author BTMuli <bt-muli@outlook.com>
+ * @since Alpha v0.2.0
+ */
+
+// tauri
+import { dialog, fs } from "@tauri-apps/api";
+
+/**
+ * @description 保存图片-canvas
+ * @since Alpha v0.2.0
+ * @param {HTMLCanvasElement} canvas - canvas元素
+ * @param {string} filename - 文件名
+ * @returns {Promise<void>} 无返回值
+ */
+export async function saveCanvasImg(canvas: HTMLCanvasElement, filename: string): Promise<void> {
+  const buffer = new Uint8Array(atob(canvas.toDataURL("image/png").split(",")[1]).split("").map((item) => item.charCodeAt(0)));
+  await dialog.save({
+    defaultPath: filename,
+    filters: [{ name: "图片", extensions: ["png"] }]
+  }).then(async (res) => {
+    if (res === null) return;
+    await fs.writeBinaryFile({
+      path: res,
+      contents: buffer
+    });
+  });
+}