apache.commons.io 学习
Commons IO is a library of utilities to assist with developing IO functionality.There are six main areas included:
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Utility classes
- with static methods to perform common tasks
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Input
- useful Input Stream and Reader implementations
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Output
- useful Output Stream and Writer implementations
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Filters
- various implementations of file filters
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Comparators
- various implementations of java.util.Comparator
for files
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File Monitor
- a component for monitoring file system events
org.apache.commons.io.FileSystemUtils
FileSystemUtils 可以获得指定磁盘路径的可用空间
org.apache.commons.io.FileUtil
FileUtils.readLines
(
file,
"UTF-8"
)
;
FileUtils.writeStringToFile(file, name);
文本写入指定文件
FileUtils.copyURLToFile(url, file);
网络流保存为文件
FileUtils.sizeOfDirectory(dir);
目录大小
FileUtils.getTempDirectoryPath();获得临时文件夹路径
FileUtils.touch(f); 把文件的修改时间修改成当前时刻
org.apache.commons.io.
monitor
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