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README
Apache-2.0

ReadAndWriteJ使用说明

这是一个简单的包,用于快速方便地写入、读取文件。

主要功能

  1. 写入文件:把指定内容写入指定文件(按行写入),替换文件某行内容,插入指定内容至指定位置,移除某一行的内容,清空文件
  2. 行数读取:读取文本文档行数
  3. 指定读取:读取指定行内容,读取整个文件的内容,读取指定文件行数范围的内容
  4. 文本对比:比较某一行内容是否与被比较字符串一致,判断文本文档内是否包含被比较的字符串
  5. 文件对比:对比两个文件是否一致
  6. 引入字体:在GUI编程中可以快速指定字体文件以设置字体
  7. 文件分析器:读取文件大小和格式(扩展名)
  8. Jar包内工具:读取Jar包内的图片资源,有释放包内文件功能
  9. 二进制文件工具:读写二进制文件为字节数据,复制文件
  10. 终端工具:执行命令并获取命令输出结果

下载地址

右侧发行版/Releases处可以下载jar包,或者直接使用Maven导入。

其它版本

现已完成C#版的读写类库:.NET Framework

使用方法

1,添加依赖,有下列两种情况:

① Eclipse直接添加jar:先下载这个jar包并把这个包导入到IDE里面

② Maven工程:在项目的配置文件pom.xml中的<dependencies>标签里加入下列依赖,此操作无需在上面手动下载jar包(推荐):

<dependency>
	<groupId>io.github.swsk33</groupId>
	<artifactId>read-and-write</artifactId>
	<version>7.0.1</version>
</dependency>

2,导入com.gitee.swsk33.readandwrite下所有类或者需要的类。(import swsk33.readandwrite.*;

3,主要类和方法:

BinaryUtils:二进制文件工具

  • static byte[] readBinaryFile(String filePath) 读取二进制文件并储存在byte数组当中
  • static boolean writeBinaryFile(String filePath, byte[] data) 写入二进制文件,文件夹不存在自动创建
  • static <T> boolean writeObjectToFile(String filePath, T object) 将对象(实例)序列化并写入文件
  • static <T> T readObjectFromFile(String filePath) 从文件中读取数据并反序列化为对象
  • static boolean copyFile(String origin, String destination) 复制文件,把文件从原文件路径复制到目标文件路径,目标文件路径目录不存在会自动创建

FileAnalyzer:文件分析器,用于读取文件大小和格式(扩展名)

  • static String getFileMD5(String filePath) 用于获取文件的MD5值
  • static long getFileSizeByte(String filePath) 获取文件的大小,单位为B
  • static double getFileSizeKb(String filePath) 获取文件的大小,单位为KB
  • ...
  • static String getFileFormat(String filePath) 获取文件扩展名

FileComparer:文件对比

  • static boolean compareTextFile(String filePath1, String filePath2) 比较两个文本文件的内容是否完全相同
  • static boolean compareBinaryFile(String filePath1, String filePath2) 比较两个二进制文件的内容是否完全相同

ImportFont:引入字体:在GUI编程中可以快速指定字体文件以设置字体

  • static Font getFont(String filePath, int wordSize) 引入字体文件为普通字体形式
  • static Font getBoldFont(String filePath, int wordSize) 引入字体文件为加粗字体形式
  • static Font getItalicFont(String filePath, int wordSize) 引入字体文件为斜体字体形式
  • static Font getItalicBoldFont(String filePath, int wordSize) 引入字体文件为斜体加粗字体形式

JarUtils:用于获取或者释放jar包内的文件和资源

  • static boolean releaseFileInJar(Class<?> c, String classPath, String outputPath) 释放jar包内文件到jar包外部
  • static ImageIcon getImageInJar(Class<?> c, String classPath) 直接读取jar内图片资源为ImageIcon对象

LineScanner:文件行数获取

  • static int getLineCount(String filePath) 获取文本文件行数
  • static int getTextAtLine(String filePath, String text) 判断一段文本在文件的哪一行

StringComparer:文本文件对比器

  • static boolean compareLine(String filepath, String lineCompared) 比较某一行内容是否与被比较字符串一致
  • static boolean compareText(String filepath, String textCompared) 判断文本文档内是否包含被比较的字符串

TerminalUtils:用于命令行的执行和读取

  • static TerminalOutput runCommand(String command) 向终端运行一条命令并获取输出结果
  • static TerminalOutput runCommand(String command, String charSet) 向终端运行一条命令并以指定的编码获取输出结果
  • static TerminalOutput runCommand(String[] commandArray) 向终端运行一个命令数组并获取输出结果
  • static TerminalOutput runCommand(String[] commandArray, String charSet) 向终端运行一个命令数组并以指定的编码获取输出结果
  • static void runCommandAsyn(String command, TerminalOutput result) 异步运行命令并实时获取输出结果
  • static void runCommandAsyn(String command, String charset, TerminalOutput result) 以指定的编码异步运行命令并实时获取输出结果
  • `static void runCommandAsyn(String[] commandArray, TerminalOutput result):异步运行命令数组并实时获取输出结果
  • static void runCommandAsyn(String[] commandArray, String charset, TerminalOutput result)` 以指定的编码异步运行命令数组并实时获取输出结果

TextFileWriter:文件写入器

  • static boolean replaceLine(String filePath, int whichLine, String text) 用指定内容替换文件指定行
  • static boolean replaceLine(String filePath, int whichLine, String text, String charSet) 用指定内容替换文件指定行,以指定的字符编码形式
  • static boolean appendText(String filePath, String text) 写入指定内容至文件末尾,每执行一次该方法就在末尾写入一行内容
  • static boolean appendText(String filePath, String text, String charSet) 以指定的编码格式,写入指定内容至文件末尾,每执行一次该方法就在末尾写入一行内容
  • static boolean writeText(String filePath, String text) 将文本写入文件,文件原有内容会被覆盖
  • static boolean writeText(String filePath, String text, String charSet) 将文本以特定的编码写入到一个文件,文件原有内容会被覆盖
  • static boolean removeLine(String filePath, int whichLine) 移除某一行的内容
  • static boolean removeLine(String filePath, int whichLine, String charSet) 移除某一行的内容,并指定文件编码
  • static boolean clearAll(String filePath) 清空一个文件

TextReader:文件读取器

  • static String readLine(String filePath, int line) 读取文本文件指定行内容
  • static String readLine(String filePath, int line, String charSet) 指定编码读取文本文件指定行内容
  • static String readFileRange(String filePath, int start, int end) 读取指定行数范围内的内容并以字符串形式储存
  • static String readFileRange(String filePath, int start, int end, String charSet) 以指定编码读取指定行数范围内的内容并以字符串形式储存
  • static String[] readFileRangeToArray(String filePath, int start, int end) 读取指定行数范围内的内容并以字符串数组形式储存
  • static String[] readFileRangeToArray(String filePath, int start, int end, String charSet) 以指定编码读取指定行数范围内的内容并以字符串数组形式储存
  • static String readFile(String filePath) 读取整个文本文档并将内容储存在字符串中
  • static String readFile(String filePath, String charSet) 以指定编码读取整个文本文档并将内容储存在字符串中
  • static String[] readFileToArray(String filePath) 读取整个文本文档并将内容储存在字符串数组中
  • static String[] readFileToArray(String filePath, String charSet) 以指定编码读取整个文本文档并将内容储存在字符串数组中

详细的使用可以在调用类的方法时查看,IDE中会显示其中的详细文档。

最后更新:2022.6.19

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简介

一个简单的实现文件简易读写的jar包。 展开 收起
Java
Apache-2.0
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