init

.gitea/workflows/build.yaml

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+name: Build Server
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  compile-dll:
+    name: Compile DLL
+    runs-on: ubuntu-latest
+    steps:
+      - run: |
+          apt-get update && apt-get install -y build-essential cmake g++ python3-dev
+      - run: |
+          git clone https://github.com/swigger/wechat-ocr.git wcocr
+      - run: |
+          # fix: https://github.com/abseil/abseil-cpp/issues/1206
+          sed -i 's/v3.21.0/v3.21.2/g' wcocr/CMakeLists.txt
+      - run: |
+          mkdir -p wcocr/build && cd wcocr/build && cmake .. && make -j$(nproc)
+      - name: Upload artifacts
+        uses: christopherhx/gitea-upload-artifact@v4 # actions/upload-artifact@v4
+        with:
+          name: libwcocr
+          path: wcocr/build/libwcocr.so
+          

.gitignore

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+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store
+
+libwcocr.so

README.md

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+# wxocr
+
+To install dependencies:
+
+```bash
+bun install
+```
+
+To run:
+
+```bash
+bun run index.ts
+```
+
+This project was created using `bun init` in bun v1.2.18. [Bun](https://bun.sh) is a fast all-in-one JavaScript runtime.

bun.lock

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+{
+  "lockfileVersion": 1,
+  "workspaces": {
+    "": {
+      "name": "wxocr",
+      "devDependencies": {
+        "@types/bun": "latest",
+      },
+      "peerDependencies": {
+        "typescript": "^5",
+      },
+    },
+  },
+  "packages": {
+    "@types/bun": ["@types/bun@1.2.18", "", { "dependencies": { "bun-types": "1.2.18" } }, "sha512-Xf6RaWVheyemaThV0kUfaAUvCNokFr+bH8Jxp+tTZfx7dAPA8z9ePnP9S9+Vspzuxxx9JRAXhnyccRj3GyCMdQ=="],
+
+    "@types/node": ["@types/node@24.0.10", "", { "dependencies": { "undici-types": "~7.8.0" } }, "sha512-ENHwaH+JIRTDIEEbDK6QSQntAYGtbvdDXnMXnZaZ6k13Du1dPMmprkEHIL7ok2Wl2aZevetwTAb5S+7yIF+enA=="],
+
+    "@types/react": ["@types/react@19.1.8", "", { "dependencies": { "csstype": "^3.0.2" } }, "sha512-AwAfQ2Wa5bCx9WP8nZL2uMZWod7J7/JSplxbTmBQ5ms6QpqNYm672H0Vu9ZVKVngQ+ii4R/byguVEUZQyeg44g=="],
+
+    "bun-types": ["bun-types@1.2.18", "", { "dependencies": { "@types/node": "*" }, "peerDependencies": { "@types/react": "^19" } }, "sha512-04+Eha5NP7Z0A9YgDAzMk5PHR16ZuLVa83b26kH5+cp1qZW4F6FmAURngE7INf4tKOvCE69vYvDEwoNl1tGiWw=="],
+
+    "csstype": ["csstype@3.1.3", "", {}, "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw=="],
+
+    "typescript": ["typescript@5.8.3", "", { "bin": { "tsc": "bin/tsc", "tsserver": "bin/tsserver" } }, "sha512-p1diW6TqL9L07nNxvRMM7hMMw4c5XOo/1ibL4aAIGmSAt9slTE1Xgw5KWuof2uTOvCg9BY7ZRi+GaF+7sfgPeQ=="],
+
+    "undici-types": ["undici-types@7.8.0", "", {}, "sha512-9UJ2xGDvQ43tYyVMpuHlsgApydB8ZKfVYTsLDhXkFL/6gfkp+U8xTGdh8pMJv1SpZna0zxG1DwsKZsreLbXBxw=="],
+  }
+}

package.json

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+{
+  "name": "wxocr",
+  "type": "module",
+  "private": true,
+  "scripts": {
+    "start": "bun run src/index.ts"
+  },
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5"
+  }
+}

src/index.ts

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+import { CString, dlopen, FFIType, JSCallback, suffix, type Pointer } from "bun:ffi";
+
+const libPath = `libwcocr.${suffix}`;
+
+const WechatOCR = dlopen(libPath, {
+    wechat_ocr: {
+        args: [
+          FFIType.cstring, // ocr_exe路径
+          FFIType.cstring, // wechat_dir路径
+          FFIType.cstring, // imgfn路径
+          FFIType.function,     // 回调函数指针
+        ],
+        returns: FFIType.bool, // 返回布尔值
+      },
+      stop_ocr: {
+        args: [],
+        returns: FFIType.void, // 无返回值
+      },
+});
+
+// 主函数
+async function callWechatOcr(
+    ocrExe: string,
+    wechatDir: string,
+    imgfn: string
+  ): Promise<string> {
+    return new Promise((resolve, reject) => {
+      // 创建回调函数
+      const callback = new JSCallback(
+        (argPtr: Pointer) => {
+          const arg = new CString(argPtr).toString();
+          resolve(arg);
+          callback.close(); // 释放回调
+        },
+        {
+          args: [FFIType.ptr],
+          returns: FFIType.void,
+        }
+      );
+  
+      // 调用wechat_ocr函数
+      const result = WechatOCR.symbols.wechat_ocr(
+        Buffer.from(ocrExe + "\0"), // 转换为C字符串
+        Buffer.from(wechatDir + "\0"),
+        Buffer.from(imgfn + "\0"),
+        callback // 直接传递JSCallback实例
+      );
+  
+      if (!result) {
+        callback.close();
+        reject(new Error("OCR调用失败"));
+      }
+    });
+  }
+  
+  async function main() {
+    // 请在这里替换为你的实际路径
+    const ocrExe = "/opt/wechat/wxocr";
+    const wechatDir = "/opt/wechat";
+    const imgfn = "/home/imbytecat/Pictures/Screenshots/Screenshot_07-Jul_10-00-20_9907.png";
+  
+    console.log("OCR开始...");
+    try {
+      const result = await callWechatOcr(ocrExe, wechatDir, imgfn);
+      console.log("OCR结果:", result);
+    } catch (error) {
+      console.error("OCR错误:", error);
+    } finally {
+      // 清理资源
+      WechatOCR.symbols.stop_ocr();
+      console.log("OCR结束...");
+    }
+  }
+  
+  // 运行主函数
+  main();

tsconfig.json

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+{
+  "compilerOptions": {
+    // Environment setup & latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "Preserve",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+    "noUncheckedIndexedAccess": true,
+    "noImplicitOverride": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}