package realcode;

import java.io.*;

import java.util.Scanner;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

public class InformationOperation {

int n;

@SuppressWarnings("null")

public StringBuffer operationFile(String studentInformation,String longer) {

StringBuffer l=new StringBuffer(studentInformation);

String s;

int j=l.length();

char[] a;

for(int i = 0;i<longer.length();i=i+7) {

a=new char[7];

try {

longer.getChars(i, i+7, a, 0);

} catch( Exception ex) {

System.out.println("触发异常...");

}

s = String.valueOf(a);

if(l!=null)

l.append(s);

if ((i + 7) % 7 == 0 && (i + 7) % 14 != 0) {

l.append(",");

j++;

}

else if((i + 7) % 14 == 0) {

l.append("。\n");

j=j+2;

}

j=j+7;

}

l.deleteCharAt(j-1);

return l;

}

public String readFile() {

String original = null;

int n=-1;

char[] a = new char[100];//缓存，

try {

File file = new File("e:\\B.txt");

InputStream fli = new FileInputStream(file);

InputStreamReader in = new InputStreamReader(fli, "GBK");

while((n=in.read(a,0,100))!=-1) {

String s = new String(a,0,n);

this.n=n;

if(original!=null)

original = original+s;

else original=s;

}

in.close();

}

catch (IOException e) {

System.out.println("File read erroe:"+e);

}

return original;

}

public boolean outFile(String a) {

byte [] b = a.getBytes();

try {

File file = new File("e:\\A.txt");

OutputStream out = new FileOutputStream(file,true);

out.write(b);

out.flush();

out.close();

}

catch (IOException e) {

System.out.println("File read erroe:"+e);

}

return true;

}

public void FindSth(String Str){

int m = 0;

StringBuffer s1=new StringBuffer(Str);

a:

while (true) {

System.out.println("请输入序号:\n1:查询词句\n2:退出程序\n");

try {

Scanner reader0 = new Scanner(System.in);

m = reader0.nextInt();

}

catch(Exception e) {

System.out.println("文本中没有该字符！");

}

switch (m) {

case 1:

System.out.println("输入你想要查询的字或词：\n");

Scanner reader1 = new Scanner(System.in);

String s2 = reader1.nextLine();

Pattern pattern = Pattern.compile(s2);

Matcher matcher = pattern.matcher(s1);

if (matcher.find()) {

int num = 1;

while (matcher.find()) {

num++;

}

System.out.println("“"+s2+"”出现的次数为:" + num);

} else {

System.out.println("文本中没有该字符");

}

break;

case 2:

System.out.println("本次实验结束！");

break a;

default:

System.out.println("您输入的编号有误，请重新输入");

}

}

}

}