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小白一枚，求实例啊！ 获取sd卡根目录1.txt的行数！
readlines(); 转成数组 然后获取数组长度
能写一下详细的代码吗
啊看了教程搞定了!
与 Auto.js 的连接断开，我们正在尝试重连，请耐心等待
