import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
public class test {
public static void main(String[] args) throws Exception {
//定义一个文件路径(读取路径)
String url="E:\test\ComputerNetworks.txt";
//清洗完存储路径
String url1="E:\test\test.txt";
// TODO Auto-generated method stub
FileInputStream fis = new FileInputStream(url);//从ComputerNetworks.txt中读出
FileOutputStream fos = new FileOutputStream(url1);//写到test.txt中去
BufferedReader br = new BufferedReader(new InputStreamReader(fis));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(fos));
String temp;
while((temp = br.readLine())!= null){//一次读一行
char[] cr=temp.toCharArray();
char[] str=new char[cr.length];
int index=0;
for (char c : cr) {
//把除字母以外的符号转换为空格
if((c<='Z'&&c>='A')||(c<='z'&&c>='a')) {
str[index++]=c;
}else {
str[index++]=' ';
}
}
String text=new String(str,0,index);
System.out.println("text="+text);
bw.write(text);
bw.newLine();//换行
}
br.close();
bw.close();
}
}
用流读取本地文件并且清洗数据
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转载自blog.csdn.net/weixin_44806193/article/details/88724096
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