截取特定字符串，并重新组合

import java.util.ArrayList;

import java.util.List;

import com.example.chaxunweizhi.R;

import android.os.Bundle;

import android.app.Activity;

import android.util.Log;

import android.view.Menu;

import android.widget.TextView;

/**

 * 

 * @author sunyangyang

 *

 */

public class MainActivity extends Activity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

String first = "zzzzzzzzas111111111zxwwwwwwwwas222222222zxqqqqqqqqq";//被截取的字符串

String second = "as";//要截取的开头字符串

String third = "zx";//要截取的结尾字符串，现在只要这两句之间的部分，如果想要包含这两部分的则把four的范围扩大些，four = first.substring(a,b+third.length());

String four = "";//要截取的部分

String five = "";//剩余部分

String six = "";//重新组成，现在的是没有as和zx的

List<String> list = new ArrayList<String>();

List<String> list2 = new ArrayList<String>();

int a = first.indexOf(second);//第一次的a为0的话，则要截取的部分在最前端，可以加个值来判断重新组成时候的顺序，跟现在的组合顺序反过来而已，这里就不写了

int b = first.indexOf(third);

int c = 0;

while(a!=-1){

c++;

four = "";

five = "";

four = first.substring(a+second.length(),b);

Log.e("four----------------", four);

Log.e("five----------------", five);

five = first.substring(0,a);

first = first.substring(b+third.length(),first.length());

list2.add(five);

list.add(four);

a = first.indexOf(second);

b = first.indexOf(third);

}

String seven = "";

for (int i = 0; i < list.size(); i++) {

seven += list.get(i)+"\n";

}

String eight = "";

for (int i = 0; i < list2.size(); i++) {

eight += list2.get(i)+"\n";

}

TextView textView = (TextView) findViewById(R.id.text1);

TextView textView2 = (TextView) findViewById(R.id.text2);

TextView textView3 = (TextView) findViewById(R.id.text3);

for (int i = 0; i < c; i++) {

six += list2.get(i)+list.get(i);

}

six += first;

textView.setText(six);

textView2.setText(eight);

textView3.setText(seven);

}

@Override

public boolean onCreateOptionsMenu(Menu menu) {

// Inflate the menu; this adds items to the action bar if it is present.

getMenuInflater().inflate(R.menu.main, menu);

return true;

}

}