本文转载自xingoo: https://www.cnblogs.com/xing901022/p/5978989.html 一.常用静态变量 public static final char DIR_SEPARATOR_UNIX = '/'; public static final char DIR_SEPARATOR_WINDOWS = '\\'; public static final char DIR_SEPARATOR; public static final String LINE_
IOUtils is a general IO stream manipulation utilities. This class provides static utility methods for input/output operations. closeQuietly - these methods close a stream ignoring nulls and exceptions toXxx/read - these methods read data from a strea
Commons IO is a library of utilities to assist with developing IO functionality. There are four main areas included: ●Utility classes - with static methods to perform common tasks ●Filters - various implementations of file filters ●Comparators - vari
Commons IO是apache的一个开源的工具包,封装了IO操作的相关类,使用Commons IO可以很方便的读写文件,url源代码等. 普通地读取一个网页的源代码的代码可能如下 InputStream in = new URL( "http://laoyu.info" ).openStream(); try { InputStreamReader inR = new InputStreamReader( in ); BufferedReader buf = new Buffere
java.lang.ClassNotFoundException: org.apache.commons.io.output.DeferredFileOutputStream at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappCla
1.错误叙述性说明 警告: Could not create JarEntryRevision for [jar:file:/D:/MyEclipse/apache-tomcat-7.0.53/webapps/FirstSSH/WEB-INF/lib/struts2-core-2.3.16.3.jar]! java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils at com.opensymphony.xwork2.util.