oa-base/utils/communication.js

export class Communication {
    constructor() {
        this.webViewObj = null;
        this.messageHandlers = {};
    }

    setWebView(webView) {
        this.webViewObj = webView;
    }

    sendToH5(action, data = {}) {
        if (!this.webViewObj) {
            console.error('webViewObj is not initialized');
            return;
        }

        const message = JSON.stringify({ action, data });
        // 调用 H5 端的 window.handleMessage 函数
        this.webViewObj.evalJS(`window.handleMessage(${JSON.stringify(message)})`);
    }

    registerHandler(action, handler) {
        this.messageHandlers[action] = handler;
    }
    handleMessage(message) {
        try {
            const { action, data } = JSON.parse(message);
            if (this.messageHandlers[action]) {
                this.messageHandlers[action](data);
            } else {
                console.warn('Unknown action:', action);
            }
        } catch (error) {
            console.error('Failed to handle message:', error);
        }
    }
}