正则表达式筛选resource bundle key

最新推荐文章于 2024-07-27 23:58:43 发布

转载最新推荐文章于 2024-07-27 23:58:43 发布 · 90 阅读

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原文链接：http://www.cnblogs.com/bb3q/p/5028901.html

文章标签：

#java

本文提供了一个Java程序示例，演示如何批量读取指定目录下的所有文件，并使用正则表达式匹配特定的字符串模式。该程序适用于需要对大量文件进行相似处理的任务。

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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class ReadFile {

public static void main(String[] args) {
String filePath = "C:\\zlb\\read\\";
File outPath = new File("C:\\zlb\\out\\");
readFolder(filePath,outPath);
}

public static void readFolder(String filePath,File outPath){
try {

File file = new File(filePath);
if (!file.isDirectory()) {
System.out.println("---------- 该文件不是一个目录文件 ----------");
} else if (file.isDirectory()) {
System.out.println("---------- good，这是一个目录文件夹 ----------");
String[] filelist = file.list();
for (int i = 0; i < filelist.length; i++) {
File readfile = new File(filePath + "\\" + filelist[i]);
String absolutepath = readfile.getAbsolutePath();
String filename = readfile.getName();
readFile(absolutepath,filename,outPath,i);
}
System.out.println("---------- 所有文件操作完毕 ----------");
}
} catch (Exception e) {
e.printStackTrace();
}
}

public static void readFile(String absolutepath,String filename,File outPath,int i){
try{

BufferedReader bufReader = new BufferedReader(new InputStreamReader(new FileInputStream(absolutepath)));
StringBuffer strBuffer = new StringBuffer();

String temp = null;
while((temp=bufReader.readLine())!=null){

String regex = "\\w+([.]\\w+)+([.]\\w+)+";
Pattern pattern = Pattern.compile(regex);
Matcher matcher = pattern.matcher(temp);
if (matcher.find())
{

strBuffer.append(matcher.group());
strBuffer.append(System.getProperty("line.separator"));

}

}
System.out.println("------------jsp-------------------"+i);

bufReader.close();
PrintWriter printWriter = new PrintWriter(outPath+"\\"+filename);
printWriter.write(strBuffer.toString().toCharArray());
printWriter.flush();
printWriter.close();
}catch(Exception e){
e.printStackTrace();
}
}

}