这是我的doInBackground方法，我传递的List包含List（List＆gt;）。我想直接将此列表传递给php而不访问其内容。在php方面，我应该直接收到一个列表。我应该如何构建参数，以便我可以从android发送List。
protected String doInBackground(List<ArrayList<String>>... params) {
// TODO Auto-generated method stub
try {
List<ArrayList<String>> getli=params[0];
// Building Parameters
//ArrayList<NameValuePair> params1 = new ArrayList<NameValuePair>();
Log.d("request!", "starting");
response = CustomHttpClient.executeHttpPost("http://10.0.2.2/menudetails.php",params1);
String retstring=response.toString();
Log.d(retstring,"stringgg");
// return retstring;
}
catch(Exception io){
msg = "No Network Connection";
}
return null;
}
这是我用来发送和从php获取数据的类
package com.example.androiddbconnection;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.util.ArrayList;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
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.utils.URLEncodedUtils;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import android.util.Log;
public class CustomHttpClient {
static InputStream is = null;
/** The time it takes for our client to timeout */
public static final int HTTP_TIMEOUT = 100 * 1000; // milliseconds
/** Single instance of our HttpClient */
private static HttpClient mHttpClient;
private static HttpClient getHttpClient() {
if (mHttpClient == null) {
mHttpClient = new DefaultHttpClient();
final HttpParams params = mHttpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
}
return mHttpClient;
}
public static String executeHttpPost(String url,ArrayList<NameValuePair> postParameters) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpPost request = new HttpPost(url);
UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(
postParameters);
request.setEntity(formEntity);
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity()
.getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
Log.e("log_tag", "Error converting result "+e.toString());
e.printStackTrace();
}
}
}
}
public static String executeHttpGet(String url) throws Exception {
BufferedReader in = null;
try {
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpGet httpGet = new HttpGet();
httpGet.setURI(new URI(url));
HttpResponse httpResponse = httpClient.execute(httpGet);
HttpEntity httpEntity = httpResponse.getEntity();
in = new BufferedReader(new InputStreamReader(httpResponse.getEntity()
.getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
Log.d("heyy", result);
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
Log.e("log_tag", "Error converting result "+e.toString());
e.printStackTrace();
}
}
}
}
}