Android客户端实现注册、登录详解（1）

StringRequest request=new StringRequest(Method.POST, url, new Listener<String>() {

 //请求成功
 @Override
 public void onResponse(String s) {
 //执行请求成功的回调
 callback.onSuccess()
 }

 }, new ErrorListener() {

 //请求错误
 @Override
 public void onErrorResponse(VolleyError volleyError) {
 //执行请求失败的回调
 callback.onFailure()
 }
 }){

 //携带参数（Map集合）
 @Override
 protected Map<String, String> getParams() throws AuthFailureError {
 return parames;
 }
 };

 //将请求添加到请求队列中
 Volley.newRequestQueue(context).add(request);

 成功
 {
 "ret":0,
 "errcode":0,
 "msg":"接口调用成功",
 "data":{
 "userid":"16489",
 "email":"nnn@aaa.com",
 "nickname":"duss",
 "userhead":"http://img.itlanbao.com/avatar.png"
 } 
 }

 失败
 {
 "ret":1,
 "errcode":1,
 "msg":"接口调用失败"
 }

 registBtn.setOnClickListener(new Button.OnClickListener() {

 @Override
 public void onClick(View v) {
 // TODO Auto-generated method stub
 //获得用户输入的信息
 String nick = loginNick.getText().toString();
 String emailStr = email.getText().toString();
 String passwordStr = password.getText().toString();
 if (!TextUtils.isEmpty(nick) &&
 !TextUtils.isEmpty(emailStr)
 && !TextUtils.isEmpty(passwordStr)) {
 if (Utils.isEmail(emailStr)) {//验证邮箱格式是否符合

 //调用RequestApiData中的getRegistData（）方法进行注册，传入用户输入的昵称，邮箱、密码，以及解析数据的bean对象和callback对象（回调到自身）
 RequestApiData.getInstance().getRegistData(nick, emailStr, passwordStr,
 AnalyticalRegistInfo.class, RegisterActivity.this);
 } else {
 Toast.makeText(RegisterActivity.this, "输入邮箱有误", Toast.LENGTH_SHORT).show();
 }
 } else {
 Toast.makeText(RegisterActivity.this, "输入信息未完全", Toast.LENGTH_SHORT).show();
 }
 }
 });

HttpResponeCallBack接口
 RequestApiData.getInstance().getRegistData(nick, emailStr, passwordStr,
 AnalyticalRegistInfo.class, RegisterActivity.this);

 public interface HttpResponeCallBack {
 public void onResponeStart(String apiName);

 /**
 * 此回调只有调用download方法下载数据时才生效
 * 
 * @param apiName
 * @param count
 * @param current
 */
 public void onLoading(String apiName, long count, long current);

 public void onSuccess(String apiName, Object object);

 public void onFailure(String apiName, Throwable t, int errorNo, String strMsg);

}

 public class RequestApiData {
 private static RequestApiData instance = null;
 private HttpResponeCallBack mCallBack = null;

 //创建接口对象
 public static RequestApiData getInstance() {
 if (instance == null) {
 instance = new RequestApiData();
 }
 return instance;
 }

 /**
 * 4.6注册用户接口
 * @param nickname 昵称
 * @param email 邮箱
 * @param password 密码
 * @param clazz 数据返回的解析对象
 * @param callback 回调
 * 特别要注意参数位置不能变要根据文档来
 * 请求方式：POST
 */
 public void getRegistData(String nickname,String email
 ,String password, Class<AnalyticalRegistInfo> clazz,
 HttpResponeCallBack callback) {
 mCallBack = callback;
 //这是每一个接口的唯一标示
 String tagUrl = UrlConstance.KEY_REGIST_INFO;//注册接口
 //将注册的信息保存在map中（须和服务器端一致）
 HashMap<String, String> parameter = new HashMap<String, String>();
 parameter.put("nickname", nickname);
 parameter.put("email",email);
 parameter.put("password",password);

 //拼接参数信息，昵称，邮箱，密码，公钥，并用md5进行加密
 StringBuilder builder = new StringBuilder();
 builder.append(nickname);
 builder.append(email);
 builder.append(password);
 builder.append(UrlConstance.PUBLIC_KEY);

 parameter.put(UrlConstance.ACCESSTOKEN_KEY,MD5Util.getMD5Str(builder.toString()));

 //调用RequestManager的post方法，请求服务器
 RequestManager.post(UrlConstance.APP_URL,tagUrl, parameter, clazz, callback);

 }
}

 public class RequestManager {
 private static RequestQueue mRequestQueue;
 private static ImageLoader mImageLoader;


 private synchronized static void initRequestQueue() {
 if (mRequestQueue == null) {
 //创建一个请求队列（使用Volley框架）
 mRequestQueue = Volley.newRequestQueue(ItLanbaoLibApplication.getInstance());
 }
 }


 /**
 * 添加请求到请求队列中
 * @param request
 * @param tag
 */
 private static void addRequest(Request<?> request, Object tag) {
 if (tag != null) {
 request.setTag(tag);
 }
 mRequestQueue.add(request);
 }

 /**
 * post 请求数据
 *
 * @param app_url 公共的接口前缀 http://www.itlanbao.com/api/app/
 * @param tag_url 接口名称，eg:users/user_register_Handler.ashx(注册接口)
 * @param parameter 请求参数封装对象
 * @param clazz 返回数据封装对象，如果传null，则直接返回String
 * @param callback 接口回调监听
 */
 public static <T> void post(final String app_url, final String tag_url, final HashMap<String, String> parameter, Class<T> clazz,
 final HttpResponeCallBack callback) {
 //发送post请求服务器
 post(app_url, tag_url, parameter, clazz, callback, Priority.NORMAL);
 }


 /**
 * post 请求数据
 *
 * @param app_url 路径
 * @param url 接口名称
 * @param parameter 请求参数封装对象
 * @param clazz 返回数据封装对象，如果传null，则直接返回String
 * @param callback 接口回调监听
 * @param priority 指定接口请求线程优先级
 */
 public static <T> void post(final String app_url, final String url, final HashMap<String, String> parameter, final Class<T> clazz,
 final HttpResponeCallBack callback, Priority priority) {
 if (callback != null) {
 callback.onResponeStart(url);//回调请求开始
 }

 //初始化请求队列
 initRequestQueue();

 //将公共的接口前缀和接口名称拼接
 //eg:拼接成注册的接口 http://www.itlanbao.com/api/app/users/user_register_Handler.ashx
 StringBuilder builder = new StringBuilder(app_url);
 builder.append(url);

 {// 检查当前网络是否可用
 final NetworkUtils networkUtils = new NetworkUtils(ItLanbaoLibApplication.getInstance());

 if (!networkUtils.isNetworkConnected() && android.os.Build.VERSION.SDK_INT > 10) {
 if (callback != null) {
 callback.onFailure(url, null, 0, "网络出错");//回调请求失败
 return;
 }
 }
 }

 /**
 * 使用Volley框架真正去请求服务器
 * Method.POST：请求方式为post
 * builder.toString()：请求的链接
 * Listener<String>：监听
 */
 StringRequest request = new StringRequest(Method.POST, builder.toString(),
 new Listener<String>() {

 @Override
 public void onResponse(String response) {
 // TODO Auto-generated method stub
 try {
 if (response != null && callback != null) {
 Gson gson = new Gson();
 //回调请求成功，传入url和解析的对象
 callback.onSuccess(url, gson.fromJson(response, clazz));

 }

 } catch (Exception e) {
 // TODO: handle exception
 if (callback != null) {
 //回调请求失败--解析异常
 callback.onFailure(url, e, 0, "解析异常");
 return;
 }
 }


 }
 }, new ErrorListener() {
 //请求出错的监听
 @Override
 public void onErrorResponse(VolleyError error) {
 if (callback != null) {
 if (error != null) {
 callback.onFailure(url, error.getCause(), 0,
 error.getMessage());
 } else {
 callback.onFailure(url, null, 0, "");
 }
 }
 }
 }) {
 //post请求的参数信息
 protected Map<String, String> getParams() {
 return getPostApiParmes(parameter);
 }
 };

 //添加请求到请求队列中
 addRequest(request, url);
 }


 /*
 * post参数
 * 
 * ts:时间戳 sign: 接口签名 parms = 按文档参数拼接 parm[0]+ … + parm[n-1] sign =
 * md5(parms+"双方平台约定公钥")
 */
 private static ApiParams getPostApiParmes(final HashMap<String, String> parameter) {
 ApiParams api = new ApiParams();
 for (Entry<String, String> entry : parameter.entrySet()) {
 api.with(entry.getKey(), entry.getValue());
 }
 return api;
 }

}

 @Override
 public void onResponeStart(String apiName) {
 // TODO Auto-generated method stub
 Toast.makeText(RegisterActivity.this, "正在请求数据...", Toast.LENGTH_SHORT).show();
 }

 @Override
 public void onLoading(String apiName, long count, long current) {
 Toast.makeText(RegisterActivity.this, "Loading...", Toast.LENGTH_SHORT).show(); 
 }

 @Override
 public void onSuccess(String apiName, Object object) {
 // TODO Auto-generated method stub
 //注册接口
 if (UrlConstance.KEY_REGIST_INFO.equals(apiName)) {
 if (object != null && object instanceof AnalyticalRegistInfo) {
 AnalyticalRegistInfo info = (AnalyticalRegistInfo) object;
 String successCode = info.getRet();
 //请求成功
 if (successCode.equals(Constant.KEY_SUCCESS)) {
 UserBaseInfo baseUser = new UserBaseInfo();
 baseUser.setEmail(info.getEmail());
 baseUser.setNickname(info.getNickname());
 baseUser.setUserhead(info.getUserhead());
 baseUser.setUserid(String.valueOf(info.getUserid()));
 ItLanBaoApplication.getInstance().setBaseUser(baseUser);
 UserPreference.save(KeyConstance.IS_USER_ID, String.valueOf(info.getUserid()));
 UserPreference.save(KeyConstance.IS_USER_ACCOUNT, info.getEmail());
 UserPreference.save(KeyConstance.IS_USER_PASSWORD, password.getText().toString());


 Intent intent = new Intent(RegisterActivity.this, MainActivity.class);
 RegisterActivity.this.startActivity(intent);

 Toast.makeText(RegisterActivity.this, "注册成功...", Toast.LENGTH_SHORT).show();

 RegisterActivity.this.finish();

 } else {
 Toast.makeText(RegisterActivity.this, "注册失败", Toast.LENGTH_SHORT).show();
 }
 }
 }

 }

 @Override
 public void onFailure(String apiName, Throwable t, int errorNo, String strMsg) {
 Toast.makeText(RegisterActivity.this, "Failure", Toast.LENGTH_SHORT).show();
 }