java 判断图片格式
package com.personal.test;import org.apache.oro.text.regex.MalformedPatternException;
import org.apache.oro.text.regex.PatternMatcher;
import org.apache.oro.text.regex.Perl5Matcher;
import org.apache.oro.text.regex.Pattern;
import org.apache.oro.text.regex.Perl5Compiler;
import org.apache.oro.text.regex.PatternCompiler;
/**
* 正则表达式
* <P>Title: regDemo.java</P>
*
* <P>Description: </P>
*
* <P>Copyright: Copyright (c) 2006</P>
*
* <P>Company: </P>
* @Date Jul 11, 2007 4:38:12 PM
* @author ge.tao
* @version 1.0
*/
public class regDemo {
/**
* 判断文件是否图片格式
* @param str
* @return boolean
* regDemo.java
* @author: ge.tao
*/
public boolean demo(String filename){
String str = filename.substring(filename.lastIndexOf("."),filename.length);
String regStr = "|||";
PatternCompiler compiler = new Perl5Compiler();
Pattern pattern = null;
try {
pattern = compiler.compile(regStr);
} catch (MalformedPatternException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
PatternMatcher pm = new Perl5Matcher();
if(pm.matches(str,pattern)){
return true;
}else{
return false;
}
}
}
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