新闻app已写好,各种接口工具都有,只需要大神的详细过程怎么连接
通过HTTP协议,这是代码参考,是以同步方式进行网络访问的,返回验证码为200就是请求成功!
然后通过JSON进行数据传送!希望可以帮助你!
/**
*
*以同步方式发送Http请求
*/
public class SyncHttp
{
/**
* 通过GET方式发送请求
* @param url URL地址
* @param params 参数
* @return
* @throws Exception
*/
public String httpGet(String url, String params) throws Exception
{
String response = null; //返回信息
//拼接请求URL
if (null!=params&&!params.equals(""))
{
url += "?" + params;
}
int timeoutConnection = 3000;
int timeoutSocket = 5000;
HttpParams httpParameters = new BasicHttpParams();// Set the timeout in milliseconds until a connection is established.
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);// Set the default socket timeout (SO_TIMEOUT) // in milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
// 构造HttpClient的实例
HttpClient httpClient = new DefaultHttpClient(httpParameters);
// 创建GET方法的实例
HttpGet httpGet = new HttpGet(url);
try
{
HttpResponse httpResponse = httpClient.execute(httpGet);
int statusCode = httpResponse.getStatusLine().getStatusCode();
if (statusCode == HttpStatus.SC_OK) //SC_OK = 200
{
// 获得返回结果
response = EntityUtils.toString(httpResponse.getEntity());
}
else
{
response = "返回码:"+statusCode;
}
} catch (Exception e)
{
throw new Exception(e);
}
return response;
}
/**
* 通过POST方式发送请求
* @param url URL地址
* @param params 参数
* @return
* @throws Exception
*/
public String httpPost(String url, List<Parameter> params) throws Exception
{
String response = null;
int timeoutConnection = 3000;
int timeoutSocket = 5000;
HttpParams httpParameters = new BasicHttpParams();// Set the timeout in milliseconds until a connection is established.
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);// Set the default socket timeout (SO_TIMEOUT) // in milliseconds which is the timeout for waiting for data.
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
// 构造HttpClient的实例
HttpClient httpClient = new DefaultHttpClient(httpParameters);
HttpPost httpPost = new HttpPost(url);
if (params.size()>=0)
{
//设置httpPost请求参数
httpPost.setEntity(new UrlEncodedFormEntity(buildNameValuePair(params),HTTP.UTF_8));
}
//使用execute方法发送HTTP Post请求,并返回HttpResponse对象
HttpResponse httpResponse = httpClient.execute(httpPost);
int statusCode = httpResponse.getStatusLine().getStatusCode();
if(statusCode==HttpStatus.SC_OK)
{
//获得返回结果
response = EntityUtils.toString(httpResponse.getEntity());
}
else
{
response = "返回码:"+statusCode;
}
return response;
}
/**
* 把Parameter类型集合转换成NameValuePair类型集合
* @param params 参数集合
* @return
*/
private List<BasicNameValuePair> buildNameValuePair(List<Parameter> params)
{
List<BasicNameValuePair> result = new ArrayList<BasicNameValuePair>();
for (Parameter param : params)
{
BasicNameValuePair pair = new BasicNameValuePair(param.getName(), param.getValue());
result.add(pair);
}
return result;
}
}
版权声明:本文内容由阿里云实名注册用户自发贡献,版权归原作者所有,阿里云开发者社区不拥有其著作权,亦不承担相应法律责任。具体规则请查看《阿里云开发者社区用户服务协议》和《阿里云开发者社区知识产权保护指引》。如果您发现本社区中有涉嫌抄袭的内容,填写侵权投诉表单进行举报,一经查实,本社区将立刻删除涉嫌侵权内容。