二维码组件，保存到手机功能完善

Tevin

2023-03-23 1562182491eb0cdc33bf8e893fa5052880342801

 common/Tools.js

@@ -533,6 +533,52 @@
        return moment(dayTimestamp).format('YYYY-MM-DD');
    }

    /**
     * 显示调试面板（仅支持H5）
     * @param cssSelector
     * @param callback
     */
    static $_showDevConsole(cssSelector, callback) {
        // 只支持 h5 编译
        if (process.env.TARO_ENV !== 'h5') {
            return;
        }
        const fileref = document.createElement('script');
        fileref.setAttribute('type', 'text/javascript');
        if (window.location.protocol === 'https:') {
            fileref.setAttribute('src', 'https://cdn.jsdelivr.net/npm/eruda');
        } else {
            fileref.setAttribute('src', 'http://cdn.jsdelivr.net/npm/eruda');
        }
        document.getElementsByTagName('head')[0].appendChild(fileref);
        const erudaTimer = setInterval(() => {
            if (window.eruda) {
                clearInterval(erudaTimer);
                const container = document.createElement('div');
                if (cssSelector) {
                    document.querySelector(cssSelector).appendChild(container);
                } else {
                    document.getElementsByTagName('body')[0].appendChild(container);
                }
                window.eruda.init({
                    container: container,
                    useShadowDom: false,
                });
                setTimeout(() => {
                    const devTool = document.querySelector('.eruda-dev-tools');
                    devTool.style.display = 'block';
                    devTool.style.opacity = '1';
                    devTool.style.height = '70%';
                    console.warn('=====【艾信App调试模式】=====');
                    console.warn('点击右下角悬浮工具箱图标可以折叠面板');
                }, 50);
                setTimeout(() => {
                    callback && callback();
                }, 100);
            }
        }, 100);
    }

}

// h5 中，实现 rem 转换 px