使用httpclient实现http接口调用实例

package com.yanek.test;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import net.sf.json.JSONObject;

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.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;

public class TestSendSMS {

/**
* @param args
*/
public static void main(String[] args) {

String uid="12345678";
String title="test";
String content="test a content";
String ret=sendSms(uid ,title,content);
System.out.println(ret);

if(ret.indexOf("失败")<0)
{
System.out.println("成功发送sms");
}
else
{
System.out.println("失败发送");
}

}

public static String sendSms(String uid,String title,String content){
HttpClient httpclient = new DefaultHttpClient();
String smsUrl="http://192.168.0.1/service/sendsms";
HttpPost httppost = new HttpPost(smsUrl);
String strResult = "";

try {

List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
JSONObject jobj = new JSONObject();
jobj.put("uid", uid);
jobj.put("title", title);
jobj.put("content",content);

nameValuePairs.add(new BasicNameValuePair("msg", getStringFromJson(jobj)));
httppost.addHeader("Content-type", "application/x-www-form-urlencoded");
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs,"UTF-8"));

HttpResponse response = httpclient.execute(httppost);
if (response.getStatusLine().getStatusCode() == 200) {
/*读返回数据*/
String conResult = EntityUtils.toString(response
.getEntity());
JSONObject sobj = new JSONObject();
sobj = sobj.fromObject(conResult);
String result = sobj.getString("result");
String code = sobj.getString("code");
if(result.equals("1")){
strResult += "发送成功";
}else{
strResult += "发送失败，"+code;
}

} else {
String err = response.getStatusLine().getStatusCode()+"";
strResult += "发送失败:"+err;
}
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}

return strResult;
}

private static String getStringFromJson(JSONObject adata) {
StringBuffer sb = new StringBuffer();
sb.append("{");
for(Object key:adata.keySet()){
sb.append("\""+key+"\":\""+adata.get(key)+"\",");
}
String rtn = sb.toString().substring(0, sb.toString().length()-1)+"}";
return rtn;
}
}