为什么这个程序不返回值?
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.Writer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class GetPageCount {
public int getPageCount() throws IOException{
BufferedReader reader=new BufferedReader(new FileReader("E:\\jsp\\test.txt"));
String line=reader.readLine();
int i = 0;
while(line!=null){
line = reader.readLine();
String r1="(.*共 <span class=\"text_orange\">)(.*)(</span> 页.*)";
Pattern s1=Pattern.compile(r1);
Matcher m1=s1.matcher(line);
boolean T1=m1.matches();
if(T1)
{
i=Integer.parseInt(m1.group(2)) ;
System.out.println("--------总页数-------:"+i);//这儿输出I有值
}
}
return i;
}
}
为什么不返回值呢?我测试的时候好像根本就没有执行return i