Android(安卓)HttpClient

package alex.reader.ebook.bam;import java.io.IOException;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import java.util.Map;import org.apache.http.HttpResponse;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.message.BasicNameValuePair;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.app.Activity;import android.os.Bundle;import android.util.Log;import android.widget.EditText;public class SimpleClient extends Activity {    private HttpParams httpParams;    private HttpClient httpClient;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.simple_client);        EditText editText = (EditText) this.findViewById(R.id.EditText01);        List<NameValuePair> params = new ArrayList<NameValuePair>();        params.add(new BasicNameValuePair("email", "firewings.r@gmail.com"));        params.add(new BasicNameValuePair("password", "954619"));        params.add(new BasicNameValuePair("remember", "1"));        params.add(new BasicNameValuePair("from", "kx"));        params.add(new BasicNameValuePair("login", "登 录"));        params.add(new BasicNameValuePair("refcode", ""));        params.add(new BasicNameValuePair("refuid", "0"));        Map params2 = new HashMap();        params2.put("hl", "zh-CN");        params2.put("source", "hp");        params2.put("q", "haha");        params2.put("aq", "f");        params2.put("aqi", "g10");        params2.put("aql", "");        params2.put("oq", "");        String url2 = "http://www.google.cn/search";        String url = "http://wap.kaixin001.com/home/";        getHttpClient();        editText.setText(doPost(url, params));        // editText.setText(doGet(url2, params2));    }    public String doGet(String url, Map params) {        /* 建立HTTPGet对象 */        String paramStr = "";        Iterator iter = params.entrySet().iterator();        while (iter.hasNext()) {            Map.Entry entry = (Map.Entry) iter.next();            Object key = entry.getKey();            Object val = entry.getValue();            paramStr += paramStr = "&" + key + "=" + val;        }        if (!paramStr.equals("")) {            paramStr = paramStr.replaceFirst("&", "?");            url += paramStr;        }        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();            }        } catch (ClientProtocolException e) {            strResult = e.getMessage().toString();            e.printStackTrace();        } catch (IOException e) {            strResult = e.getMessage().toString();            e.printStackTrace();        } catch (Exception e) {            strResult = e.getMessage().toString();            e.printStackTrace();        }        Log.v("strResult", strResult);        return strResult;    }    public String doPost(String url, List<NameValuePair> params) {        /* 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));            /* 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();            }        } catch (ClientProtocolException e) {            strResult = e.getMessage().toString();            e.printStackTrace();        } catch (IOException e) {            strResult = e.getMessage().toString();            e.printStackTrace();        } catch (Exception e) {            strResult = e.getMessage().toString();            e.printStackTrace();        }        Log.v("strResult", strResult);        return strResult;    }    public HttpClient getHttpClient() {        // 创建 HttpParams 以用来设置 HTTP 参数（这一部分不是必需的）        this.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        // 注意 HttpClient httpClient = new HttpClient(); 是Commons HttpClient        // 中的用法，在 Android 1.5 中我们需要使用 Apache 的缺省实现 DefaultHttpClient        httpClient = new DefaultHttpClient(httpParams);        return httpClient;    }}
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