生成XML文件的示例-优快云博客

生成的XML文件
生成XML文件

    package com.example.createxml;

import android.app.Activity;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity {

    private Button btn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        final List<Message> msgs = new ArrayList<Message>();
        for (int i = 0; i < 10; i++) {
            Message msg = new Message("宁波" + i, System.currentTimeMillis() + "", 1 + "", Math.random() + "" + i);
            msgs.add(msg);
        }

        final StringBuffer sb = new StringBuffer();
        btn = (Button) findViewById(R.id.create);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                sb.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
                sb.append("<messages>");
                for (Message m : msgs) {

                    sb.append("<message>");
                    sb.append("<address>");
                    sb.append(m.getAddress());
                    sb.append("</address>");

                    sb.append("<date>");
                    sb.append(m.getDate());
                    sb.append("</date>");

                    sb.append("<type>");
                    sb.append(m.getType());
                    sb.append("</type>");

                    sb.append("<body>");
                    sb.append(m.getBody());
                    sb.append("</body>");

                    sb.append("</message>");

                }
                sb.append("</messages>");
                File file = new File(getFilesDir(), "info.xml");
                try {
                    FileOutputStream fos = new FileOutputStream(file);
                    fos.write(sb.toString().getBytes());
                    fos.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }


}

package com.example.createxml;

/**
 * Created by joy on 2015/12/20.
 */
public class Message {



    public Message(String address, String date, String type, String body) {
        this.address = address;
        this.date = date;
        this.type = type;
        this.body = body;
    }

    private String address;
    private String date;
    private String type;
    private String body;

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public String getDate() {
        return date;
    }

    public void setDate(String date) {
        this.date = date;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getBody() {
        return body;
    }

    public void setBody(String body) {
        this.body = body;
    }

}