Pull解析方式

喜欢ヅ旅行 2022-06-12 14:21 195阅读 0赞

**运行截图**  
![这里写图片描述][SouthEast]  
![这里写图片描述][SouthEast 1]  
**MainActivity.java**

package csdn.example.com.notification.NetWorkTest;
    
    import android.os.Bundle;
    import android.support.v7.app.AppCompatActivity;
    import android.util.Log;
    import android.view.View;
    import android.widget.Button;
    import android.widget.TextView;
    
    import org.xmlpull.v1.XmlPullParser;
    import org.xmlpull.v1.XmlPullParserFactory;
    
    import java.io.IOException;
    import java.io.StringReader;
    
    import csdn.example.com.notification.R;
    import okhttp3.OkHttpClient;
    import okhttp3.Request;
    import okhttp3.Response;
    
    public class Main6Activity extends AppCompatActivity implements View.OnClickListener {
        
        TextView request_text;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main6);
            request_text = (TextView) findViewById(R.id.request_text);
            Button send_Request = (Button) findViewById(R.id.send_request);
            send_Request.setOnClickListener(this);
    
        }
    
    
        @Override
        public void onClick(View v) {
            if(v.getId() == R.id.send_request){
                Log.d("T","没毛病,老铁");
                //sendRequestWithHttpURLConnection();
                sendRequestWithOkHttp();
            }
        }
    
        private void sendRequestWithOkHttp() {
            new Thread(new Runnable() {
                @Override
                public void run() {
    
                    try {
                        OkHttpClient client = new OkHttpClient();
                        Request request = new Request.Builder()
                                .url("http://10.7.90.163:8088/get_data.xml")
                                .build();
                        Response response = client.newCall(request).execute();
                        String requestData = response.body().string();
                        parseXMLWithPull(requestData);
                        showResponse(requestData);
                    } catch (IOException e) {
                        e.printStackTrace();
                    }
                }
            }).start();
        }
    
        private void parseXMLWithPull(String xmlData) {
            try {
              XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
                XmlPullParser xmlPullParser = factory.newPullParser();
                xmlPullParser.setInput(new StringReader(xmlData));
                int eventType = xmlPullParser.getEventType();
                String id = "";
                String name = "";
                String version = "";
                while (eventType != xmlPullParser.END_DOCUMENT){
                    String nodeName = xmlPullParser.getName();
                    switch (eventType){
                        //开始解析某个节点
                        case XmlPullParser.START_TAG:{
                            if("id".equals(nodeName)){
                                id = xmlPullParser.nextText();
                            }else if ("name".equals(nodeName)){
                                name = xmlPullParser.nextText();
                            }else if("version".equals(nodeName)){
                                version = xmlPullParser.nextText();
                            }
                            break;
                        }
                        //完成解析某个节点
                        case XmlPullParser.END_TAG:{
                            if("app".equals(nodeName)){
                                Log.d("Main6Activity","id is "+id);
                                Log.d("Main6Activity","name is "+name);
                                Log.d("Main6Activity","version is "+version);
                            }
                        }
                        default:
                            break;
                    }
                    eventType = xmlPullParser.next();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    
    
        private void showResponse(final String response) {
           runOnUiThread(new Runnable() {
               @Override
               public void run() {
                   Log.d("T","没毛病,老铁1"+response);
                   request_text.setText(response);
               }
           });
        }
    }

**activity\_main.xml**

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        xmlns:android="http://schemas.android.com/apk/res/android">
        <Button
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/send_request"
            android:text="发送请求"
            />
        <ScrollView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/colorAccent"
            >
            <TextView
                android:background="@color/colorPrimary"
                android:id="@+id/request_text"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />
        </ScrollView>
    </LinearLayout>

[SouthEast]: /images/20220612/4a6892cf1ef34be5971eca1dcedab94b.png
[SouthEast 1]: /images/20220612/d90c42141e294e8ba9ccd177274e319c.png