实现了注册功能

app/src/main/java/com/example/testapp/RegisterActivity.java

+package com.example.testapp;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.testapp.Adapter.BookListAdapter;
+import com.example.testapp.Util.NetWorkHelper;
+import com.example.testapp.config.ConstantData;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+
+public class RegisterActivity extends AppCompatActivity {
+    private static String TAG = "RegisterActivity";
+    private EditText emEdt;
+    private EditText password1Edt;
+    private EditText password2Edt;
+    private Button regBtn;
+    private EditText nameEdt;
+
+    private JSONObject json;
+
+    public Handler handler = new Handler(Looper.getMainLooper()) {
+
+        @Override
+        public void handleMessage(@NonNull Message msg) {
+            switch (msg.what) {
+                case NetWorkHelper.SUCCESS:
+                    Log.i(TAG, "handleMessage: "+NetWorkHelper.SUCCESS);
+                    Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_SHORT).show();
+                    break;
+                case NetWorkHelper.FAIL:
+                    Log.i(TAG, "handleMessage: "+NetWorkHelper.FAIL);
+                    break;
+                case NetWorkHelper.REPEAT:
+                    Log.i(TAG, "handleMessage: "+NetWorkHelper.REPEAT);
+                    Toast.makeText(RegisterActivity.this, "用户名已经存在", Toast.LENGTH_SHORT).show();
+                    break;
+            }
+        }
+    };
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_register);
+        emEdt = findViewById(R.id.edt_email);
+        password1Edt = findViewById(R.id.edt_password1);
+        password2Edt = findViewById(R.id.edt_password2);
+        regBtn = findViewById(R.id.bt_register);
+        nameEdt = findViewById(R.id.new_name);
+        regBtn.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                if (ifSame()) {
+                    getFromJson(); //获取注册表单
+                    postUserdata();  // 提交表单数据
+                }
+            }
+        });
+    }
+
+    private void getFromJson(){
+        json = new JSONObject();
+        try {
+            json.put("email",String.valueOf(emEdt.getText()));
+            json.put("password",String.valueOf(password2Edt.getText()));
+            json.put("username",String.valueOf(nameEdt.getText()));
+        } catch (JSONException e) {
+            e.printStackTrace();
+        }
+    }
+    private void postUserdata() {
+        String url = ConstantData.REGISTER_URL;
+        Log.i(TAG, "postUserdata: "+String.valueOf(json));
+        NetWorkHelper.PostData(url,json,handler);
+    }
+
+    private Boolean ifSame() {
+        if (String.valueOf(password2Edt.getText()).equals(String.valueOf(password1Edt.getText()))){
+            return true;
+        } else{
+            Log.i(TAG, "ifSame: String.valueOf(password2Edt.getText()):"+String.valueOf(password2Edt.getText()));
+            Log.i(TAG, "ifSame: String.valueOf(password1Edt.getText()):"+String.valueOf(password1Edt.getText()));
+            Toast.makeText(this, "请确保两次输入的密码一致", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+    }
+}
\ No newline at end of file

app/src/main/java/com/example/testapp/Util/DownloadBook.java

+package com.example.testapp.Util;
+
+import android.app.ProgressDialog;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.Message;
+import android.util.Log;
+import android.widget.Button;
+
+import androidx.annotation.NonNull;
+import androidx.core.app.ComponentActivity;
+
+import com.example.testapp.Adapter.BookListAdapter;
+import com.example.testapp.WordActivity;
+import com.example.testapp.WordBook;
+
+import java.io.IOException;
+import java.text.BreakIterator;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+
+public class DownloadBook {
+
+
+    public static String TAG = "DownloadBook";
+    private static final int FINISH = 1;
+    private static final int DOWN_DONE = 2;
+    private static Button button;
+    public static Handler handler = new Handler(Looper.getMainLooper()) {
+
+        @Override
+        public void handleMessage(@NonNull Message msg) {
+            switch (msg.what) {
+                case FINISH:
+                    WordBook.removeProgressDialogMessage();
+                    button.setText("开始学习");
+                    BookListAdapter.IntentSetPlanActivity();
+                    break;
+                case DOWN_DONE:
+                    WordBook.setProgressDialogMessage();
+                    break;
+            }
+        }
+    };
+    public static void DownJson(String url, Button btn){
+        // 下载json并保存到数据库
+        button = btn;
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                // 开启线程分析数据
+                Thread thread = new Thread(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            Log.i(TAG, "开始网络线程");
+                            OkHttpClient client = new OkHttpClient();
+                            Request request = new Request.Builder()
+                                    .url(url)
+                                    .build();
+                            Response response = client.newCall(request).execute();
+                            Message message = new Message();
+                            String resStr = response.body().string();
+                            message.what = DOWN_DONE;
+                            handler.sendMessage(message);
+                            Log.i(TAG, "下载成功");
+                            String jsonStr = resStr.replace("\n{\"wordRank\"", ",{\"wordRank\"");
+                            String json = "[" + jsonStr.substring(0) + "]";  ////格式化为标准json数组格式
+                            Log.i(TAG, "开始解析json到数据库中>>>>");
+                            JsonHelper.analyseDefaultAndSave(json);
+
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                        Message message = new Message();
+                        message.what = FINISH;
+                        handler.sendMessage(message);
+                        Log.i(TAG, "json文件解析完成！");
+
+                    }
+                });
+                thread.start();
+            }
+        }, 500);
+    }
+}

app/src/main/java/com/example/testapp/Util/NetWorkHelper.java

+package com.example.testapp.Util;
+
+import android.os.Handler;
+import android.os.Message;
+import android.util.Log;
+import android.widget.Button;
+
+import com.example.testapp.RegisterActivity;
+
+import org.json.JSONObject;
+
+import java.io.IOException;
+
+import okhttp3.FormBody;
+import okhttp3.MediaType;
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.RequestBody;
+import okhttp3.Response;
+
+public class NetWorkHelper {
+
+    private static String TAG = "NetWorkHelper";
+    public static final int SUCCESS = 1;
+    public static final int FAIL = 2;
+    public static final int REPEAT = -1;
+    public static void PostData(String url , JSONObject json, Handler handle){
+        new Handler().postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                // 开启线程分析数据
+                Thread thread = new Thread(new Runnable() {
+                    @Override
+                    public void run() {
+                        try {
+                            Log.i(TAG, "开始网络线程");
+                            OkHttpClient client = new OkHttpClient();
+                            RequestBody requestBody = FormBody.create(MediaType.parse("application/json; charset=utf-8"), String.valueOf(json));
+                            Log.i(TAG, "run: "+requestBody);
+                            Request request = new Request.Builder()
+                                    .url(url)
+                                    .post(requestBody)
+                                    .build();
+                            Response response = client.newCall(request).execute();
+                            String resStr = response.body().string();
+                            if (resStr.equals("1")){
+                                sendSuccessMessage(handle);
+                            }else if(resStr.equals("0")){
+                                sendRepeatMessage(handle);
+                            }
+                                ;
+                            Log.i(TAG, "获取成功 response:"+ resStr);
+
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                            sendFailMessage(handle);
+                        }
+
+
+                    }
+                });
+                thread.start();
+            }
+        }, 500);
+    }
+
+    private static void sendRepeatMessage(Handler handler) {
+        Message message = new Message();
+        message.what = REPEAT;
+        handler.sendMessage(message);
+    }
+
+    private static void sendSuccessMessage(Handler handler){
+        Message message = new Message();
+        message.what = SUCCESS;
+        handler.sendMessage(message);
+    }
+
+    private static void sendFailMessage(Handler handler){
+        Message message = new Message();
+        message.what = FAIL;
+        handler.sendMessage(message);
+    }
+}

app/src/main/java/com/example/testapp/Util/NetworkStates.java

+package com.example.testapp.Util;
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+
+import android.net.NetworkInfo.State;
+import android.util.Log;
+
+public class NetworkStates {
+    public static int Net_State_Wifi = 2;  //wifi
+    public static int Net_State_Mobile = 1; //数据
+    public static int Net_No = 0; //没网
+    public static int Net_others = 3;
+    public static int Get_Net_State_Fail = -1;
+    public static int Net_State ;
+    public static String TAG = "NetworkStates";
+    public static void isNetworkConnected(Context context) {
+        ConnectivityManager mConnectivityManager = (ConnectivityManager) context
+                    .getSystemService(Context.CONNECTIVITY_SERVICE);
+        NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
+        Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo));
+        if (null == mNetworkInfo){
+            Net_State = Get_Net_State_Fail;
+            return;
+        }
+
+        if (mNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE){
+            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.getType()));
+            Net_State = Net_State_Mobile;
+            return;
+        }
+        if (mNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI){
+            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
+            Net_State = Net_State_Wifi;
+            return;
+        }
+        if (!mNetworkInfo.isConnected()){
+            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
+            Net_State = Net_No;
+        }else{
+            Log.i(TAG, String.format("isNetworkConnected: %s",mNetworkInfo.isConnected()));
+            Net_State = Net_others;
+        }
+    }
+
+    public static int getNetState(Context context){
+        isNetworkConnected(context);
+        return Net_State;
+    }
+
+}

app/src/main/java/com/example/testapp/Util/UserHelper.java

+package com.example.testapp.Util;
+
+import android.util.Log;
+
+import com.example.testapp.database.UserData;
+
+import org.litepal.LitePal;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class UserHelper {
+    public static String TAG = "UserHelper";
+
+    public static int getUserId() {
+        List<UserData> userData = LitePal.where("logged = ?",+ 1 +"").find(UserData.class);
+        Log.i("当前ID",String.valueOf(userData.get(0).getUserId()));
+        return userData.get(0).getUserId();
+    }
+
+    public static List<String> getBookBtnStatus(){
+        UserData userData = LitePal.where("UserId = ?",+ getUserId() +"").find(UserData.class).get(0);
+        String status = userData.getBookStatus();
+        List<String> Bts = new ArrayList<>();
+        Log.i(TAG,"得到按钮状态"+String.valueOf(userData.getUserId()));
+        for (int i = 0;i <status.length();i++){
+            Log.i(TAG, "getBookBtnStatus: 第"+i+"个按钮是"+String.valueOf(status.charAt(i)));
+            Bts.add(String.valueOf(status.charAt(i)));
+        }
+        return Bts;
+    }
+
+    public static void setBookBtnStatus(int i, String str){
+        UserData userData = LitePal.where("UserId = ?",+ getUserId() +"").find(UserData.class).get(0);
+        String status = userData.getBookStatus();
+        StringBuffer buf = new StringBuffer(status);
+        buf.replace(i,i+1,str);
+        Log.i(TAG, "setBookBtnStatus: 替换后的，按钮状态表："+buf.toString());
+        userData.setBookStatus(buf.toString());
+        userData.save();
+    }
+}

app/src/main/res/layout/activity_register.xml

+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:background="@color/white"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent" >
+
+    <EditText
+        android:id="@+id/edt_email"
+        android:layout_width="@dimen/btn_edit_width"
+        android:layout_height="@dimen/btn_edit_height"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="120dp"
+        android:background="@drawable/edit_text"
+        android:hint="@string/email"
+        android:inputType="textEmailAddress"
+        android:shadowColor="@color/edit_shadow"
+        android:textColor="@color/black"
+        android:textColorHint="@color/edit_hint" />
+
+    <EditText
+        android:id="@+id/new_name"
+        android:layout_width="@dimen/btn_edit_width"
+        android:layout_height="@dimen/btn_edit_height"
+        android:layout_centerHorizontal="true"
+        android:layout_marginStart="22dp"
+        android:layout_marginTop="36dp"
+        android:layout_marginEnd="28dp"
+        android:background="@drawable/edit_text"
+        android:hint="请输入用户名"
+        android:inputType="text"
+        android:shadowColor="@color/edit_shadow"
+        android:textColor="@color/black"
+        android:textColorHint="@color/edit_hint" />
+
+    <EditText
+        android:id="@+id/edt_password1"
+        android:layout_width="@dimen/btn_edit_width"
+        android:layout_height="@dimen/btn_edit_height"
+        android:layout_below="@+id/edt_email"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="22dp"
+        android:background="@drawable/edit_text"
+        android:hint="@string/input_password"
+        android:inputType="textPassword"
+        android:shadowColor="@color/edit_shadow"
+        android:textColor="@color/black"
+        android:textColorHint="@color/edit_hint" />
+
+    <EditText
+        android:id="@+id/edt_password2"
+        android:layout_width="@dimen/btn_edit_width"
+        android:layout_height="@dimen/btn_edit_height"
+        android:layout_below="@+id/edt_password1"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="22dp"
+        android:background="@drawable/edit_text"
+        android:hint="@string/sure_password"
+        android:inputType="textPassword"
+        android:shadowColor="@color/edit_shadow"
+        android:textColor="@color/black"
+        android:textColorHint="@color/edit_hint" />
+
+    <Button
+        android:id="@+id/bt_register"
+        android:layout_width="@dimen/btn_login_width"
+        android:layout_height="@dimen/btn_login_height"
+        android:layout_below="@+id/edt_password2"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="40dp"
+        android:background="@drawable/btn_white"
+        android:text="@string/sure_register"
+        android:textColor="@color/btn_blue"
+        android:textSize="@dimen/btn_login_text_size" />
+
+
+</RelativeLayout>
\ No newline at end of file