为什么80%的码农都做不了架构师？>>> 
/***
* 参数签名实例化
* @param method
* @param paramsMap
* @return
*/
protected Map paramsInit(String method, Map paramsMap) {
Map map = new HashMap();
long time = System.currentTimeMillis() / 1000;
StringBuilder paramString = new StringBuilder();
List paramList = new ArrayList();
for (Iterator it = paramsMap.keySet().iterator(); it.hasNext();) {
String key1 = it.next();
String param = key1 + ":" + paramsMap.get(key1);
paramList.add(param);
}
String[] params = paramList.toArray(new String[paramList.size()]);
Arrays.sort(params);
for (String param : params) {
paramString.append(param).append(",");
}
paramString.append("method").append(":").append(method).append(",");
paramString.append("time").append(":").append(time).append(",");
paramString.append("secret").append(":").append(YingshiUtils.APP_SECRET);
String sign = null;
try {
sign = DigestUtils.md5Hex(paramString.toString().trim().getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
Map systemMap = new HashMap();
systemMap.put("ver", "1.0");
systemMap.put("sign", sign);
systemMap.put("key", YingshiUtils.APP_KEY);
systemMap.put("time", time);
map.put("system", systemMap);
map.put("method", method);
map.put("params", paramsMap);
map.put("id", "123456");
return map;
}
/***
* httpclient post 请求
* @param map
* @return
*/
protected String doPost(Map map) {
String json = JSON.toJSONString(map);
ProtocolSocketFactory fcty = new MySecureProtocolSocketFactory();
Protocol.registerProtocol("https", new Protocol("https", fcty, 443));
HttpClient client = new HttpClient();
// 使用POST方法
PostMethod method = new PostMethod(YingshiUtils.POST_HOST);
String result = "";
try {
RequestEntity entity = new StringRequestEntity(json, "application/json", "UTF-8");
method.setRequestEntity(entity);
client.executeMethod(method);
InputStream inputStream = method.getResponseBodyAsStream();
result = IOUtils.toString(inputStream);
} catch (Exception e) {
e.printStackTrace();
} finally {
// 释放连接
method.releaseConnection();
}
return result;
}
/**
* Title: getAccessToken
* Description: 获取token 默认有效期为7天
* @return
*/
public Map getAccessToken() {
Map paramsMap = new HashMap();
paramsMap.put("phone", YingshiUtils.PHONE);
Map map = paramsInit(YingshiUtils.method_getAccessToken, paramsMap);
Map resultMap = resolveTokenJson(doPost(map));
return resultMap;
}
/**
* Title: cameraList
* Description: 获取设备列表
*/
public String cameraList(String token ,int pageSize,int pageStart) {
Map paramsMap = new HashMap();
paramsMap.put("accessToken",token);
paramsMap.put("pageSize", pageSize);
paramsMap.put("pageStart", pageStart);
Map map = paramsInit(YingshiUtils.method_cameraList, paramsMap);
doPost(map);
// String result = doPost(map);
// Map resultMap = resolveCameraList(result);
return doPost(map);
}
/***
* 解析token
* @param json
* @return
*/
public Map resolveTokenJson(String json){
Map map = new HashMap();
try {
JSONObject json1 = new JSONObject(json);
JSONObject json2 = json1.optJSONObject("result");
String code = json2.optString("code");
String msg = json2.optString("msg");
if(code.equals("200")){
JSONObject json3 = json2.optJSONObject("data");
String accessToken = json3.optString("accessToken");
String userId = json3.optString("userId");
map.put("accessToken", accessToken);
map.put("userId", userId);
}
} catch (JSONException e) {
e.printStackTrace();
}
return map;
}