1 import java.io.IOException;
2 import java.io.UnsupportedEncodingException;
3
4 import org.apache.http.HttpEntity;
5 import org.apache.http.HttpResponse;
6 import org.apache.http.HttpStatus;
7 import org.apache.http.client.ClientProtocolException;
8 import org.apache.http.client.HttpClient;
9 import org.apache.http.client.methods.HttpGet;
10 import org.apache.http.client.methods.HttpPost;
11 import org.apache.http.entity.StringEntity;
12 import org.apache.http.impl.client.DefaultHttpClient;
13 import org.apache.http.params.BasicHttpParams;
14 import org.apache.http.params.HttpConnectionParams;
15 import org.apache.http.params.HttpParams;
16 import org.apache.http.protocol.HTTP;
17 import org.apache.http.util.EntityUtils;
18 import org.json.JSONArray;
19 import org.json.JSONObject;
20
21 import android.content.Context;
22 import android.graphics.Bitmap;
23 import android.graphics.BitmapFactory;
24 import android.net.ConnectivityManager;
25 import android.net.NetworkInfo;
26 import android.util.Log;
27
28 import com.loopj.android.http.AsyncHttpClient;
29 import com.loopj.android.http.JsonHttpResponseHandler;
30
31 public class NetWorkUtil {
32 private static String result;
33 /**
34 *
35 * 方法说明：判断是否开启网络
36 *
37 * @param mContext
38 * @return
39 */
40 public static boolean isNetwork(Context mContext){
41 ConnectivityManager manager=(ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
42 NetworkInfo info=manager.getActiveNetworkInfo();
43 if(info==null||!info.isAvailable()){
44 return false;
45 }
46 return true;
47 }
48 /**
49 *
50 * 方法说明：访问网络接口,接到json数据
51 *
52 * @param mContext
53 * @param url
54 * @param jsonparams
55 * @return
56 */
57 public static void getJsonData(Context mContext,String url,String jsonparams,final LoadJson loadjson){
58 AsyncHttpClient client=new AsyncHttpClient();
59 StringEntity entity;
60 try {
61 entity = new StringEntity(jsonparams, "utf-8");
62 client.post(mContext, url, entity, "application/json",new JsonHttpResponseHandler(){
63 @Override
64 public void onSuccess(int statusCode, JSONObject response) {
65 // TODO Auto-generated method stub
66 super.onSuccess(statusCode, response);
67 result=response.toString();
68 loadjson.getJson(response.toString());
69 Log.d("TAG", "请求数据成功");
70 }
71 @Override
72 public void onStart() {
73 // TODO Auto-generated method stub
74 super.onStart();
75 Log.d("TAG", "开始请求数据");
76 }
77 @Override
78 public void onFinish() {
79 // TODO Auto-generated method stub
80 super.onFinish();
81 Log.d("TAG", "请求数据结束");
82 }
83 @Override
84 public void onRetry() {
85 // TODO Auto-generated method stub
86 super.onRetry();
87 Log.d("TAG", "重试");
88 }
89 @Override
90 public void onFailure(Throwable e, JSONArray errorResponse) {
91 // TODO Auto-generated method stub
92 super.onFailure(e, errorResponse);
93 Log.d("TAG", "失败");
94 }
95 });
96 } catch (UnsupportedEncodingException e) {
97 // TODO Auto-generated catch block
98 e.printStackTrace();
99 }
100 }
101 // public static
102 /**
103 * HttpClient访问网络接口 （暂时）
104 * @param url
105 * @param jsonparams
106 * @return
107 * @param
108 * @throws
109 * @return
110 */
111 public static String getHttpClientJsonData(String url,String jsonparams){
112
113 HttpPost httpPost = new HttpPost(url);
114 StringEntity entity;
115 try {
116 entity = new StringEntity(jsonparams, HTTP.UTF_8);
117 entity.setContentType("application/json");
118 httpPost.setEntity(entity);
119 HttpClient client = new DefaultHttpClient();
120 HttpResponse response = client.execute(httpPost);
121 if(response.getStatusLine().getStatusCode()==HttpStatus.SC_OK){
122 HttpEntity resEntity=response.getEntity();
123 result=EntityUtils.toString(resEntity, "utf-8");
124 }else{
125
126 }
127 } catch (UnsupportedEncodingException e) {
128 // TODO Auto-generated catch block
129 e.printStackTrace();
130 } catch (ClientProtocolException e) {
131 // TODO Auto-generated catch block
132 e.printStackTrace();
133 } catch (IOException e) {
134 // TODO Auto-generated catch block
135 e.printStackTrace();
136 }
137
138 return result ;
139 }
140
141
142
143 /**
144 * 通过地址获取Bitmap （暂时）
145 * @param imageUrl
146 * @return
147 * @param
148 * @throws
149 * @return
150 */
151 public static Bitmap loadImageFromUrl(String imageUrl){
152 Bitmap result = null;
153 HttpGet req = new HttpGet(imageUrl);
154 HttpParams connParams = new BasicHttpParams();
155 HttpConnectionParams.setConnectionTimeout(connParams, 5 * 1000);
156 HttpConnectionParams.setSoTimeout(connParams, 5 * 1000);
157 HttpClient client = new DefaultHttpClient(connParams);
158
159 try {
160 HttpResponse resp = client.execute(req);
161 if(resp.getStatusLine().getStatusCode() == HttpStatus.SC_OK){
162 HttpEntity respEntity = resp.getEntity();
163 result = BitmapFactory.decodeStream(respEntity.getContent());
164 }
165 } catch (ClientProtocolException e) {
166 // TODO Auto-generated catch block
167 e.printStackTrace();
168 } catch (IOException e) {
169 // TODO Auto-generated catch block
170 e.printStackTrace();
171 }
172 return result;
173
174 }
175 public interface LoadJson{
176 void getJson(String data);
177 }
178 }
时间： 2024-07-29 03:02:30