tk-mini-program-PC/src/utils/pythonBridge.js

// pythonBridge.js
import { ref, onMounted } from 'vue';

export function usePythonBridge() {
  const bridge = ref(null);

  // 初始化 QWebChannel
  const initBridge = () => {
    new QWebChannel(qt.webChannelTransport, (channel) => {
      bridge.value = channel.objects.bridge;
    });
  };

  // 调用 Python 方法
  const fetchDataConfig = (data) => {
    return new Promise((resolve, reject) => {
      if (!bridge.value) {
        reject(new Error('返回出错，请检查是否已连接到 Python'));
        return;
      }

      bridge.value.fetchDataConfig(data, function (result) {
        resolve(result);
      });
    });
  };

  // 从 Python 获取数据
  const getPythonData = (data) => {
    if (bridge.value) {
      bridge.value.stringToJs(data, function (result) {
        alert(result);
      });
    }
  };

  // 在组件挂载时初始化桥接
  onMounted(initBridge);

  return {
    fetchDataConfig,
    getPythonData
  };
}