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DirectorySearch.java
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125 lines (116 loc) · 2.26 KB
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/**
* 功能：在当前路径下的所有文件中，查找给定的字符串
* @parameter: args[]
*/
package Test;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
public class DirectorySearch
{
static int mount = 0;
public static void main(String[] args)
{
if (args.length > 0)
{
String filename = "D:\\Soft\\eclipse\\workspace\\Exercise\\src"; // "./"可行:即为当前目录 "../"不可行 当前目录为Excercise
File file = new File(filename);
findFile(file, args[0]);
printResult(args[0]);
}
}
static boolean isTrueFile(File file)
{
if (!file.exists())
{
return false;
}
if (!file.canRead())
{
return false;
}
if (file.getName().startsWith("."))
{
return false;
}
if (file.getName().endsWith("."))
{
return false;
}
return true;
}
public static void findFile(File file, String word)
{
File[] listFiles = file.listFiles();
for (int i = 0; i < listFiles.length; i++)
{
if (listFiles[i].isDirectory())
{
findFile(listFiles[i], word);
}
else if (isTrueFile(listFiles[i]))
{
try
{
SearchWords(listFiles[i], word);
} catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
}
public static void SearchWords(File file, String word) throws IOException
{
try
{
String str = null;
FileReader fread = new FileReader(file);
int ich = 0;
while ((ich = fread.read()) != -1)
{
str += (char)ich;
}
if (str != null)
{
int j = 0, k = 0;
while (str.indexOf(word, j) != -1)
{
k += 1;
j = str.indexOf(word, j) + 1;
}
if (k > 0)
{
System.out.println("在\"" + file.getAbsolutePath() + "\"有" + k + "处");
mount++;
}
}
try
{
fread.close();
} catch (IOException e1)
{
// TODO Auto-generated catch block
e1.printStackTrace();
}
} catch(FileNotFoundException e)
{
e.printStackTrace();
}
}
public static void printResult(String word)
{
if (mount != 0)
{
System.out.println("\n------------------------------------\n");
System.out.println("共找到 " + mount + " 个文本包含关键字\"" + word + "\"!");
mount = 0;
}
else
{
System.out.println("没有一个文本包含此关键字！");
}
}
}