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首先一个工具类
package com.luo.utils;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.params.HttpClientParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.ConnectivityManager;
import android.net.http.AndroidHttpClient;
import android.util.Log;
import android.widget.Toast;
/**网络连接
* @author cnmobi-db
*
*/
public class MyConnect {
private static HttpParams httpParams;
private static HttpClient httpClient;
/**get方式请求
* @param url
* @param params
* @return
*/
public static String doGet(String url, Map<String, String> params) {
/* 建立HTTPGet对象 */
String paramStr = "";
Set<Map.Entry<String, String>> set = params.entrySet();
for (Iterator<Map.Entry<String, String>> it = set.iterator(); it.hasNext();) {
Map.Entry<String, String> entry = (Map.Entry<String, String>) it.next();
System.out.println(entry.getKey() + "--->" + entry.getValue());
paramStr += paramStr = "&" + entry.getKey() + "=" + entry.getValue();
}
if (!paramStr.equals("")) {
paramStr = paramStr.replaceFirst("&", "?");
url += paramStr;
}
Log.d("strResult", url);
HttpGet httpRequest = new HttpGet(url);
String strResult = "doGetError";
try {
/* 发送请求并等待响应 */
HttpResponse httpResponse = httpClient.execute(httpRequest);
/* 若状态码为200 ok */
if (httpResponse.getStatusLine().getStatusCode() == 200) {
/* 读返回数据 */
strResult = EntityUtils.toString(httpResponse.getEntity());
} else {
// strResult = "Error Response: "
// + httpResponse.getStatusLine().toString();
strResult = "404";
}
} catch (ClientProtocolException e) {
// strResult = e.getMessage().toString();
strResult = "404";
e.printStackTrace();
} catch (IOException e) {
// strResult = e.getMessage().toString();
strResult = "404";
e.printStackTrace();
} catch (Exception e) {
// strResult = e.getMessage().toString();
strResult = "404";
e.printStackTrace();
}
Log.d("strResult", strResult);
return strResult;
}
/**post方式请求
* @param session
* @param url
* @param params
* @return
*/
public static String doPost(String session,String url, List<NameValuePair> params) {
String www = url +"?";
for(int i =0; i<params.size();i++)
{
if(i != params.size()-1)
www = www + params.get(i).toString()+"&";
else
www = www + params.get(i).toString();
}
Log.d("strResult","url---> "+www);
/* 建立HTTPPost对象 */
HttpPost httpRequest = new HttpPost(url);
String strResult = "doPostError";
try {
/* 添加请求参数到请求对象 */
httpRequest.setEntity(new UrlEncodedFormEntity(params, HTTP.UTF_8));
if(session != null)
{
httpRequest.setHeader("Cookie", session);
System.out.println(session);
}
/* 发送请求并等待响应 */
HttpResponse httpResponse = httpClient.execute(httpRequest);
/* 若状态码为200 ok */
if (httpResponse.getStatusLine().getStatusCode() == 200) {
/* 读返回数据 */
strResult = EntityUtils.toString(httpResponse.getEntity(),HTTP.UTF_8);
} else {
strResult = "404";// "Error Response: " +
// httpResponse.getStatusLine().toString();
}
} catch (UnsupportedEncodingException e) {
strResult = "404";// e.getMessage().toString();
e.printStackTrace();
} catch (ClientProtocolException e) {
strResult = "404";// e.getMessage().toString();
e.printStackTrace();
} catch (IOException e) {
strResult = "404";// e.getMessage().toString();
e.printStackTrace();
} catch (Exception e) {
strResult = "404";// e.getMessage().toString();
e.printStackTrace();
}
Log.d("strResult", strResult);
try {
strResult = URLDecoder.decode(strResult, HTTP.UTF_8);
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Log.d("strResult", strResult);
return strResult;
}
/**配置httpclient
* @return
*/
public static HttpClient getHttpClient() {
// 创建 HttpParams 以用来设置 HTTP 参数（这一部分不是必需的）
httpParams = new BasicHttpParams();
// 设置连接超时和 Socket 超时，以及 Socket 缓存大小
HttpConnectionParams.setConnectionTimeout(httpParams, 20 * 1000);
HttpConnectionParams.setSoTimeout(httpParams, 20 * 1000);
HttpConnectionParams.setSocketBufferSize(httpParams, 8192);
// 设置重定向，缺省为 true
HttpClientParams.setRedirecting(httpParams, true);
// 设置 user agent
String userAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.2) Gecko/20100115 Firefox/3.6";
HttpProtocolParams.setUserAgent(httpParams, userAgent);
// 创建一个 HttpClient 实例
httpClient = new DefaultHttpClient(httpParams);
return httpClient;
}
/**获取网络连通状态
* @param context
* @return
*/
public static boolean NetWorkStatus(Context context) {
boolean netSataus = false;
ConnectivityManager cwjManager = (ConnectivityManager) context
.getSystemService(Context.CONNECTIVITY_SERVICE);
cwjManager.getActiveNetworkInfo();
if (cwjManager.getActiveNetworkInfo() != null) {
netSataus = cwjManager.getActiveNetworkInfo().isAvailable();
}
if(!netSataus)
Toast.makeText(context, "网络错误！", Toast.LENGTH_SHORT).show();
return netSataus;
}
/**获取网络图片
* @param url
* @return
*/
public static Bitmap loadImageFromInternet(String url) {
Bitmap bitmap = null;
HttpClient client = AndroidHttpClient.newInstance("Android");
HttpParams params = client.getParams();
HttpConnectionParams.setConnectionTimeout(params, 3000);
HttpConnectionParams.setSocketBufferSize(params, 3000);
HttpResponse response = null;
InputStream inputStream = null;
HttpGet httpGet = null;
try {
httpGet = new HttpGet(url);
response = client.execute(httpGet);
int stateCode = response.getStatusLine().getStatusCode();
if (stateCode != HttpStatus.SC_OK) {
return bitmap;
}
HttpEntity entity = response.getEntity();
if (entity != null) {
try {
inputStream = entity.getContent();
return bitmap = BitmapFactory.decodeStream(inputStream);
} finally {
if (inputStream != null) {
inputStream.close();
}
entity.consumeContent();
}
}
} catch (ClientProtocolException e) {
httpGet.abort();
e.printStackTrace();
} catch (IOException e) {
httpGet.abort();
e.printStackTrace();
} finally {
((AndroidHttpClient) client).close();
}
return bitmap;
}
}然后创建一个异步任务内部类
class GethispetsAsyncTask extends AsyncTask<Object, Object, Object> {
ProgressDialog dialog = ProgressDialog.show(HeActivity.this, null,
"正在查询宠物信息,请稍后......");
private String url;
private String token;
private String uid;
public GethispetsAsyncTask(String url, String token, String uid) {
this.url = url;
this.token = token;
this.uid = uid;
}
@Override
protected Object doInBackground(Object... params) {
String code = "1";
MyConnect.getHttpClient();
Map<String, String> parms = new LinkedHashMap<String, String>();
parms.put("token", token);
parms.put("uid", uid);
String jsonContent = MyConnect.doGet(url, parms);
try {
JSONObject jsonObject = new JSONObject(jsonContent);
if (jsonObject != null) {
code = jsonObject.getString("code");
if (jsonObject.has("petArray")) {
String j1 = jsonObject.getString("petArray");
JSONArray j2 = new JSONArray(j1);
for (int i = 0; i < j2.length(); i++) {
JSONObject jsonObject2 = j2.getJSONObject(i);
String j3 = jsonObject2.getInt("weight") + " KG";
String j4 = jsonObject2.getString("nickname");
String j5 = jsonObject2.getString("birthday");
String j6 = jsonObject2.getString("breed");
HashMap<String, String> map = new HashMap<String, String>();
map.put("weight", j3);
map.put("name", j4);
map.put("bir", j5);
map.put("kind", j6);
hispetList.add(map);
}
}
if (jsonObject.has("terminalArray")) {
String ter = jsonObject.getString("terminalArray");
JSONArray termes = new JSONArray(ter);
for (int i = 0; i < termes.length(); i++) {
JSONObject jsonObject3 = termes.getJSONObject(i);
String terid = jsonObject3.getString("terminalId");
String dist = jsonObject3.getString("dist");
HashMap<String, String> map1 = new HashMap<String, String>();
map1.put("terminalId", terid);
map1.put("dist", dist);
histerList.add(map1);
}
}
}
} catch (JSONException e) {
e.printStackTrace();
}
return code;
}
@Override
protected void onPostExecute(Object result) {
super.onPostExecute(result);
System.out.println("-----result------>" + result);
dialog.dismiss();
if (result.equals("0")) {
hispetapter = new SimpleAdapter(HeActivity.this, hispetList,
R.layout.list_itemhispet, new String[] { "weight",
"bir", "kind", "name" }, new int[] {
R.id.weight, R.id.bir, R.id.kind, R.id.name });
listView.setAdapter(hispetapter);
histerapter = new SimpleAdapter(HeActivity.this, histerList,
R.layout.list_itemhister, new String[] { "terminalId",
"dist" }, new int[] { R.id.ter, R.id.dist });
listView2.setAdapter(histerapter);
} else if (result.equals("40008")) {
Toast.makeText(HeActivity.this, "身份信息过期，请重新登录",
Toast.LENGTH_SHORT).show();
} else {
}
}
}最后启动异步任务
new GethispetsAsyncTask(ConstantUtils.host1 + ConstantUtils.url_26, ConstantUtils.token, uid + "").execute(null, null, null);
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