关于vb.net转json的信息

求一个vbnet post/get 发送数据和处理返回json的例子 。灌水的路过 。。。Java代码
/*注意get和post请求vb.net转json的发送区别
* 1、创建HttpGet(或HttpPost)对象vb.net转json,将要请求的URL通过构造方法传入HttpGet(或HttpPost)对象中vb.net转json;
2、使用DefaultHttpClient类的execute方法发送HTTP GET或HTTP POST 请求,并返回HttpResponse对象vb.net转json;
3、通过HttpResponse接口的getEntity方法返回响应信息 。
* */
public class TestHttpActivity extends Activity {
private Button btn_get;
private Button btn_post;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
btn_get=(Button)findViewById(R.id.btn_get);
btn_post=(Button)findViewById(R.id.btn_post);
btn_get.setOnClickListener(listener);
btn_post.setOnClickListener(listener);
}
private OnClickListener listener=new OnClickListener() {
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_post:
Log.i("TestHttpActivity", "ok");
DefaultHttpClient client = new DefaultHttpClient();
/**NameValuePair是传送给服务器的请求参数param.get("name") **/
ListNameValuePair list = new ArrayListNameValuePair();
NameValuePair pair1 = new BasicNameValuePair("name", "name0001");
NameValuePair pair2 = new BasicNameValuePair("age", "age0001");
list.add(pair1);
list.add(pair2);
UrlEncodedFormEntity entity=null;
try {
/**设置编码 **/
entity = new UrlEncodedFormEntity(list,"UTF-8");
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
/**新建一个post请求**/
HttpPost post = new HttpPost("");
post.setEntity(entity);
HttpResponse response=null;
String strResult="";
try {
/**客服端向服务器发送请求**/
response = client.execute(post);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
/**请求发送成功,并得到响应**/
if(response.getStatusLine().getStatusCode()==200){
try {
/**读取服务器返回过来的json字符串数据**/
strResult = EntityUtils.toString(response.getEntity());
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
JSONObject jsonObject = null;
try {
/**把json字符串转换成json对象**/
jsonObject = getJSON(strResult);
} catch (JSONException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
String names="";
try {
/**
* jsonObject.getString("code") 取出code
* 比如这里返回的json 字符串为 [code:0,msg:"ok",data:[list:{"name":1},{"name":2}]]
* **/
/**得到data这个key**/
String data=https://www.04ip.com/post/jsonObject.getString("data");
/**把data下的数据转换成json对象**/
JSONObject jDat = new JSONObject(data);
/**判断data对象下的list是否存在**/
if(jDat.get("list")!=null){
/**把list转换成jsonArray对象**/
JSONArray jarr = jDat.getJSONArray("list");
/**循环list对象**/
for (int i = 0; ijarr.length(); i++) {
/** **/
JSONObject jsono = (JSONObject) jarr.get(i);
/**取出list下的name的值 **/
names=names+jsono.getString("name");
}
}
Toast.makeText(TestHttpActivity.this, "code:"+jsonObject.getString("code")+"name:"+names, Toast.LENGTH_SHORT).show();
} catch (JSONException e) {

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