个人中心（修改密码)

修改密码（代码如下）

package person;

import static baseinfo.Connectinfo.xiugaimimaurl;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import com.example.login_register.Login;
import com.example.login_register.R;
import com.google.gson.Gson;

import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;

public class Change_pswd extends AppCompatActivity {
EditText et1,et2;
Button button;
OkHttpClient okHttpClient;
Handler handler;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_change_pswd);
        et1=findViewById(R.id.oldPassword);
        et2=findViewById(R.id.newPassword);
        button=findViewById(R.id.change_btn);
        okHttpClient = new OkHttpClient.Builder().build();
        handler = new Handler(Looper.getMainLooper());
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String getmima1 = et1.getText().toString();
                String getmima2 = et2.getText().toString();
                Map<String,String> data = new HashMap<>();
                data.put("oldPassword",getmima1);
                data.put("newPassword",getmima2);
                String json = new Gson().toJson(data);
                SharedPreferences sp = getSharedPreferences("token数据",MODE_PRIVATE);
                String token = sp.getString("token","");
                RequestBody requestBody = RequestBody.create(MediaType.parse("application/json;charset=utf-8"),json);
                Request request = new Request.Builder()
                        .put(requestBody)
                        .addHeader("Authorization",token)
                        .url(xiugaimimaurl)
                        .build();
                Call call = okHttpClient.newCall(request);
                call.enqueue(new Callback() {
                    @Override
                    public void onFailure(Call call, IOException e) {

                    }

                    @Override
                    public void onResponse(Call call, Response response) throws IOException {
                            final String data = response.body().string();
                            handler.post(new Runnable() {
                                @Override
                                public void run() {
                                    JSONObject jsonObject = null;
                                    try {
                                        jsonObject = new JSONObject(data);
                                    } catch (JSONException e) {
                                        e.printStackTrace();
                                    }
                                    if (jsonObject.optString("code").equals("200")){
                                        Toast.makeText(Change_pswd.this, "修改成功！", Toast.LENGTH_SHORT).show();
                                        startActivity(new Intent(Change_pswd.this, Login.class));
                                    }else {
                                        Toast.makeText(Change_pswd.this, jsonObject.optString("msg"), Toast.LENGTH_SHORT).show();
                                    }
                                }
                            });
                    }
                });


            }
        });
    }
}

xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
   >
<EditText
    android:id="@+id/oldPassword"
    android:layout_margin="20dp"
    android:hint="请输入原密码"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"/>
    <EditText
        android:id="@+id/newPassword"
        android:layout_margin="20dp"
        android:hint="请输入旧密码"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
    <Button
        android:id="@+id/change_btn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="30dp"
        android:background="@color/blue"
        android:textColor="@color/white"
        android:textSize="30dp"
        android:text="修改"
        />
</LinearLayout>