android_rest_wcf

方法类：

public class HttpUtil {

	/**
	 * 使用范例
	 */
	public void test() {
		String urlGet = "http://10.20.30.118:80/wcfrest/rest/crud/get/hello";
		String urlPost = "http://10.20.30.118:80/wcfrest/rest/crud/add";
		String urlPostParams = "http://10.20.30.118:80/wcfrest/rest/crud/delete";
		String params = "{ \"id\":\"12345\" }"; // 属性名必须用双引号
		HttpUtil util = new HttpUtil();
		String result = util.Post(urlPostParams, params);
	}

	/**
	 * 发送HttpGet请求
	 * 
	 * @return 返回json字符串<br/>
	 *         请判断字符串,是否以“false”开头则调用错误<br/>
	 *         1、"false||state:number"<br/>
	 *         2、"false||error:string"
	 */
	public String Get(String url) {
		String result;
		HttpGet request = new HttpGet(url);
		request.addHeader("charset", HTTP.UTF_8);
		request.setHeader("Accept", "application/json");
		request.addHeader("Content-Type", "application/json");
		try {
			HttpResponse response = new DefaultHttpClient().execute(request);
			int state = 0;
			if (null != response) {
				state = response.getStatusLine().getStatusCode();
			}
			if (state == 200) {
				result = EntityUtils.toString(response.getEntity());
				return result;
			} else {
				Log.d("rest", "state:" + state);
				result = "false||state:" + state;
			}
		} catch (Exception e) {
			Log.d("rest", "e" + e);
			result = "false||error:" + e;
		}
		return result;

	}

	/**
	 * 发送HttpPost请求
	 * 
	 * @param url
	 * @param params
	 *            json字符串,例如: "{ \"id\":\"12345\" }" ;其中属性名必须带双引号<br/>
	 *            不带参数的也可以调用,params随便传
	 * @return 返回json字符串<br/>
	 *         请判断字符串,是否以“false”开头则调用错误<br/>
	 *         1、"false||state:number"<br/>
	 *         2、"false||error:string"
	 */
	public String Post(String url, String params) {
		String result;
		HttpPost request = new HttpPost(url);
		request.addHeader("Content-Type", "application/json");
		try {
			if (params != null) {
				StringEntity se = new StringEntity(params, "UTF-8");
				request.setEntity(se);
			}
			HttpResponse response = new DefaultHttpClient().execute(request);
			int state = 0;
			if (null != response) {
				state = response.getStatusLine().getStatusCode();
			}
			if (state == 200) {
				result = EntityUtils.toString(response.getEntity());
				return result;
			} else {
				Log.d("rest", "state:" + state);
				result = "false||state:" + state;
			}
		} catch (Exception e) {
			Log.d("rest", "e" + e);
			result = "false||error:" + e;
		}
		return result;
	}

}