读取文件，截取字符串

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

import com.exaple.vo.Company;

import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;

public class NewActivity extends Activity implements OnClickListener {
Handler ha=new Handler(){
public void handleMessage(android.os.Message msg) {
Base1 ba=new Base1(list,NewActivity.this);
listvew.setAdapter(ba);
};
};
private List<Company> list;
private ListView listvew;
//String str;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_new);
// 找到控件
Button button1 = (Button) findViewById(R.id.button1);
Button button2 = (Button) findViewById(R.id.button2);
Button button3 = (Button) findViewById(R.id.button3);
listvew = (ListView) findViewById(R.id.listview);
//监听
button1.setOnClickListener(this);
button2.setOnClickListener(this);
button3.setOnClickListener(this);



SharedPreferences sha = getSharedPreferences("lo", 0);
Editor edit = sha.edit();
edit.putString("aa", "ss");
edit.commit();
new Thread(){
public void run() {
try {
// 读取
InputStream is = getAssets().open("data.txt");
StringBuffer sb=new StringBuffer();
String str;
//用bufferreader按行读取
BufferedReader bf = new BufferedReader(new InputStreamReader(
is));

while ((str = bf.readLine()) != null) {
sb.append(str);

}
/*//量身定做的读取方法
int length=is.available();
byte[] buffer = new byte[length];
is.read(buffer);
String str = new String(buffer, 0, length);
sb.append(str);
*/
System.out.println(sb+"=============");
String data = sb.toString();
String[] datas = data.split("#");
System.out.println(datas.length);
for(int i=0;i<datas.length;i++)
{
System.out.println(datas[i]);
}
Company con=new Company();
con.setName(datas[0]);
con.setHangye(datas[1]);
con.setAddress(datas[2].substring(0, 2));
System.out.println(con.getName()+"+++="+con.getHangye()+"==="+con.getAddress()+"=======");

Company con1=new Company();
con1.setName(datas[2].substring(2));
con1.setHangye(datas[3]);
con1.setAddress(datas[4].substring(0, 2));
System.out.println(con1.getName()+"+++="+con1.getHangye()+"==="+con1.getAddress()+"=======");
Company con2=new Company();
con2.setName(datas[4].substring(2));
con2.setHangye(datas[5]);
con2.setAddress(datas[6]);
System.out.println(con2.getName()+"+++="+con2.getHangye()+"==="+con2.getAddress()+"=======");
list = new ArrayList<Company>();
list.add(con);
list.add(con1);
list.add(con2);
ha.sendMessage(ha.obtainMessage(1, list));

} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
};
}.start();

}

@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:

break;
case R.id.button2:

break;
case R.id.button3:

break;

}

}

}