README_en.md
1# File Management
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3### Introduction
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5This sample shows file management functions, such as creating a file, changing a file name, writing a file, reading a file, and deleting a file.
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7### Usage
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91. Touch **Create fileIo** to create a file. After the file is created successfully, the absolute path of the file is displayed.
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112. Touch **Rename fileIo** to change the file name. After the operation is successful, the absolute path of the new file is displayed.
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133. Touch **Write fileIo** to write data to the file. After the data is written, the content written is displayed.
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154. Touch **Read fileIo** to read file information. After the operation is successful, the content read is displayed.
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175. Touch **Delete fileIo** to delete the file. A message is displayed, indicating that the file is deleted successfully.
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19### Constraints
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21This sample can only be run on standard-system devices.
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README_zh.md
1# 文件管理
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3### 简介
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5本示例展示了文档管理的部分功能，例如：创建文件、修改文件名、文件写入、文件读取、删除文件。
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7
8
9### 相关概念
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11文件管理：提供文件存储管理能力，包括文件基本管理、文件目录管理、文件信息统计、文件流式读写等常用功能。
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13### 相关权限
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15不涉及。
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17### 使用说明
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191.点击"创建文件"按钮，创建文件，创建成功，Toast显示文件的绝对路径。
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212.点击"修改文件名"按钮，修改文件名，修改成功，Toast显示修改文件名后的绝对路径。
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233.点击"写入文件"按钮，向文件中写入内容，写入成功，Toast显示文件写入的内容。
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254.点击"读取文件"按钮，读取文件中的内容，读取成功，文本框中显示读取到的内容。
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275.点击"删除文件"按钮，删除文件，Toast显示文件删除成功。
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29### 约束与限制
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311.本示例仅支持在标准系统上运行。
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332.本示例需要使用DevEco Studio 3.0 Beta4 (Build Version: 3.0.0.992, built on July 14, 2022)才可编译运行。
