调整工具集内容，创建小功能集Helper新文件

Tevin

2023-04-06 df6264edf6dc16aa391e349b660304389f25b02f

 common/LocalStorage.js

@@ -59,6 +59,17 @@
        return matches;
    }

    // 清除本地存储工具保存的所有数据
    cleanAll(){
        const info = Taro.getStorageInfoSync();
        const prefixReg = /^AiSim\.[a-zA-Z]+@/;
        info.keys.forEach(storageKey => {
            if (prefixReg.test(storageKey)) {
                Taro.removeStorageSync(storageKey);
            }
        });
    }

}

export const $localStorage = new LocalStorage();