Json解析实例Tomcat服务器

Person类

package com.jsonMysql.person;public class Person {private String name;private String address;private Integer age;public Person() {super();}public Person(String name, String address, Integer age) {super();this.name = name;this.address = address;this.age = age;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}public Integer getAge() {return age;}public void setAge(Integer age) {this.age = age;}@Overridepublic String toString() {return "Person [name=" + name + ", address=" + address + ", age=" + age+ "]";}}

MainActivity类

package com.jsonMysql.main;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import com.jiangqq.csdn.R;import com.jsonMysql.person.Person;import com.jsonMysql.util.JsonParse;import android.app.Activity;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ListView;import android.widget.SimpleAdapter;import android.widget.Toast;public class MainActivity extends Activity {private Button mButton;private ListView mListView;//使用IP不能使用localhost或者127.0.0.1，因为android模拟器默认绑定这个IP，这里应该访问局域网IPprivate static final String urlPath = "http://192.168.1.101:8080/JsonWeb/JsonServlet";private static final String TAG = "MainActivity";private List<Person> persons;@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.main);mButton = (Button) findViewById(R.id.button1);mListView = (ListView) findViewById(R.id.listView1);mButton.setOnClickListener(new MyOnClickListener());}private class MyOnClickListener implements OnClickListener {@Overridepublic void onClick(View v) {try {// 得到Json解析成功之后数据persons = JsonParse.getListPerson(urlPath);List<HashMap<String, Object>> data = new ArrayList<HashMap<String, Object>>();for (int i = 0; i < persons.size(); i++) {HashMap<String, Object> map = new HashMap<String, Object>();map.put("name", persons.get(i).getName());map.put("address", persons.get(i).getAddress());map.put("age", persons.get(i).getAge());data.add(map);}SimpleAdapter _Adapter = new SimpleAdapter(MainActivity.this,data, R.layout.listview_item, new String[] { "name","address", "age" }, new int[] { R.id.textView1,R.id.textView2, R.id.textView3 });mListView.setAdapter(_Adapter);} catch (Exception e) {Toast.makeText(MainActivity.this, "解析失败", 2000);Log.i(TAG, e.toString());}}}}

Json解析类

package com.jsonMysql.util;import java.io.ByteArrayOutputStream;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.nio.charset.Charset;import java.util.ArrayList;import java.util.List;import org.json.JSONArray;import org.json.JSONObject;import com.jsonMysql.person.Person;public class JsonParse {/** * 解析Json数据 *  * @param urlPath * @return mlists * @throws Exception */public static List<Person> getListPerson(String urlPath) throws Exception {List<Person> mlists = new ArrayList<Person>();byte[] data = readParse(urlPath);JSONArray array = new JSONArray(new String(data));for (int i = 0; i < array.length(); i++) {JSONObject item = array.getJSONObject(i);String name = item.getString("name");String address = item.getString("address");int age = item.getInt("age");mlists.add(new Person(name, address, age));}return mlists;}/** * 从指定的url中获取字节数组 *  * @param urlPath * @return 字节数组 * @throws Exception */public static byte[] readParse(String urlPath) throws Exception {ByteArrayOutputStream outStream = new ByteArrayOutputStream();byte[] data = new byte[1024];int len = 0;URL url = new URL(urlPath);HttpURLConnection conn = (HttpURLConnection) url.openConnection();InputStream inStream = conn.getInputStream();while ((len = inStream.read(data)) != -1) {outStream.write(data, 0, len);}inStream.close();return outStream.toByteArray();}}

Mainifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.jiangqq.csdn"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk android:minSdkVersion="8" />    <application        android:icon="@drawable/ic_launcher"        android:label="@string/app_name" >        <activity            android:name="com.jsonMysql.main.MainActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application>    <uses-permission android:name="android.permission.INTERNET" /></manifest>

list.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="horizontal" >    <TextView        android:id="@+id/textView1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:paddingLeft="15dip"        android:text="TextView" />    <TextView        android:id="@+id/textView3"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:paddingLeft="15dip"        android:text="TextView" />    <TextView        android:id="@+id/textView2"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:paddingLeft="15dip"        android:text="TextView" /></LinearLayout>

main.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical" >    <TextView        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:text="@string/jsonname" />    <Button        android:id="@+id/button1"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:text="获取数据并且解析" />    <ListView        android:id="@+id/listView1"        android:layout_width="match_parent"        android:layout_height="wrap_content" >    </ListView></LinearLayout>