parseXML 与 parseJson

1.解析网络数据：在tomcat的root下，分别写xml文件，json文件。注意编码格式，改为UTF-8；

<?xml version="1.0" encoding="UTF-8"?><student><stu sid="1"><sname>1</sname><sage>19</sage><ssex>女</ssex></stu><stu sid="2"><sname>2</sname><sage>19</sage><ssex>男</ssex></stu><stu sid="3"><sname>3</sname><sage>19</sage><ssex>男</ssex></stu></student>

json:

{"count":3,"students":[{"sid":1,"sname":"1"},{"sid":2,"sname":"2"},{"sid":3,"sname":"3"}]}

<?xml version="1.0" encoding="utf-8"?><LinearLayout    xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:app="http://schemas.android.com/apk/res-auto"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    tools:context="com.zking.parsexml.MainActivity">   <Button       android:layout_width="wrap_content"       android:layout_height="wrap_content"       android:text="获取xml的数据"       android:onClick="getXML"/>   <Button       android:layout_width="wrap_content"       android:layout_height="wrap_content"       android:text="获取json的数据"       android:onClick="getJson"/></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"          package="com.zking.parsexml">    <uses-permission android:name="android.permission.INTERNET"></uses-permission>    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="@string/app_name"        android:roundIcon="@mipmap/ic_launcher_round"        android:supportsRtl="true"        android:theme="@style/AppTheme">        <activity android:name=".MainActivity">            <intent-filter>                <action android:name="android.intent.action.MAIN"/>                <category android:name="android.intent.category.LAUNCHER"/>            </intent-filter>        </activity>    </application></manifest>

package com.zking.parsexml;import java.util.List;/** * Created by Administrator on 2017/7/26 0026. */public class Out {    private int count;    private List<Students> students;    public Out() {    }    public Out(int count, List<Students> students) {        this.count = count;        this.students = students;    }    public int getCount() {        return count;    }    public void setCount(int count) {        this.count = count;    }    public List<Students> getStudents() {        return students;    }    public void setStudents(List<Students> students) {        this.students = students;    }}

package com.zking.parsexml;/** * Created by Administrator on 2017/7/26 0026. */public class Students {    private int sid;    private String sname;    public Students() {    }    public Students(int sid, String sname) {        this.sid = sid;        this.sname = sname;    }    public int getSid() {        return sid;    }    public void setSid(int sid) {        this.sid = sid;    }    public String getSname() {        return sname;    }    public void setSname(String sname) {        this.sname = sname;    }}

package com.zking.parsexml;import android.app.ProgressDialog;import android.os.AsyncTask;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.util.Log;import android.util.Xml;import android.view.View;import com.alibaba.fastjson.JSON;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserException;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.URL;import java.util.List;public class MainActivity extends AppCompatActivity {    private ProgressDialog pd;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        pd = new ProgressDialog(this);        pd.setMessage("拼命加载中");    }    public void getXML(View view){        new MyGetXML().execute();    }    class MyGetXML extends AsyncTask{        @Override        protected Object doInBackground(Object[] params) {            //在后台运行数据            //获取访问网络数据路径            String path="http://192.168.43.22:8080/student.xml";            //加载路径            try {                URL url=new URL(path);                //打开网址                HttpURLConnection httpURLConnection= (HttpURLConnection) url.openConnection();                //设置请求方式                httpURLConnection.setRequestMethod("GET");                //设置请求时间(获取数据)                httpURLConnection.setConnectTimeout(5000);                //获取响应码                int a=httpURLConnection.getResponseCode();                if(a==200){                    //获取数据--以流的方式                    InputStream is = httpURLConnection.getInputStream();                   /* int len=0;                    byte[]b=new byte[1024];                    StringBuffer sb=new StringBuffer();                    while ((len= is.read(b))!=-1){                        String s=new String(b,0,len);                        sb.append(s);                    }*/                    //解析XML                    XmlPullParser xmlPullParser= Xml.newPullParser();                    xmlPullParser.setInput(is,"UTF-8");                    //解析标签类型                    int type=xmlPullParser.getEventType();                    while(type!=XmlPullParser.END_DOCUMENT){                        switch (type) {                            case XmlPullParser.START_TAG:                                //获取开始标签                                String start=xmlPullParser.getName();                                if("stu".equals(start)){                                    String sid= xmlPullParser.getAttributeValue(0);                                    Log.i("test",sid);                                }else if("sname".equals(start)){                                  String sname= xmlPullParser.nextText();                                    Log.i("test",sname);                                }else if("sage".equals(start)){                                   String sage= xmlPullParser.nextText();                                    Log.i("test",sage);                                }else if("ssex".equals(start)){                                    String ssex=xmlPullParser.nextText();                                    Log.i("test",ssex);                                }                                break;                            case XmlPullParser.END_TAG:                                break;                        }                        type=xmlPullParser.next();                    }                   // Log.i("test",sb.toString());                    is.close();                }            } catch (MalformedURLException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            } catch (XmlPullParserException e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(Object o) {            //刷新界面            super.onPostExecute(o);        }    }    public void getJson(View view){        new MyGetJson().execute();    }    class  MyGetJson extends AsyncTask{        @Override        protected void onPreExecute() {            super.onPreExecute();            pd.show();        }        @Override        protected Object doInBackground(Object[] params) {            //获取网络路径            String path="http://192.168.43.22:8080/students.json";            //加载网络路径            try {                URL url=new URL(path);                HttpURLConnection httpURLConnection= (HttpURLConnection) url.openConnection();                //设置请求方式                httpURLConnection.setRequestMethod("GET");                //设置加载数据的时间                httpURLConnection.setConnectTimeout(5000);                if(httpURLConnection.getResponseCode()==200){                    InputStream is=httpURLConnection.getInputStream();                    int len=0;                    byte[]b=new byte[1024];                    StringBuffer sb=new StringBuffer();                    while((len=is.read(b))!=-1){                        String s=new String(b,0,len);                        sb.append(s);                    }                    Log.i("test",sb.toString());                    //解析json                    Out out=JSON.parseObject(sb.toString(),Out.class);                    int count=out.getCount();                    List<Students> students=out.getStudents();                    for (Students s : students) {                        Log.i("test",s.getSid()+"  "+s.getSname());                    }                    is.close();                }            } catch (MalformedURLException e) {                e.printStackTrace();            } catch (IOException e) {                e.printStackTrace();            }            return null;        }        @Override        protected void onPostExecute(Object o) {            super.onPostExecute(o);            pd.cancel();        }    }}