安卓學習----使用okHttp(POST方式)---登入，安卓okhttp

安卓學習----使用okHttp(POST方式)---登入，安卓okhttp

 

 

工具類

package com.liunan.okhttpdemo3post.Utils;import java.io.IOException;import okhttp3.MediaType;import okhttp3.OkHttpClient;import okhttp3.Request;import okhttp3.RequestBody;import okhttp3.Response;import okhttp3.ResponseBody;/** * Created by Administrator on 2016-03-27. */public class HttpUtils {    OkHttpClient client = new OkHttpClient();    public static final MediaType JSON            = MediaType.parse("application/json; charset=utf-8");    public String login(String url, String json) throws IOException {        //把請求的內容字串轉換為json        RequestBody body = RequestBody.create(JSON, json);        //RequestBody formBody = new FormEncodingBuilder()        Request request = new Request.Builder()                .url(url)                .post(body)                .build();        Response response = client.newCall(request).execute();        String result = response.body().string();        return result;    }    public String bolwingJson(String username, String password) {        return "{'username':" + username + "," + "'password':" + password + "}";        //     "{'username':" + username + ","+"'password':"+password+"}";    }}

 

Activity

 

package com.liunan.okhttpdemo3post;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.text.TextUtils;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import android.widget.Toast;import com.liunan.okhttpdemo3post.Utils.HttpUtils;import org.w3c.dom.Text;import java.io.IOException;public class MainActivity extends AppCompatActivity implements View.OnClickListener {    private static final String TAG ="MainActivity" ;    //使用者名稱    private EditText mEtUsername;    //密碼    private EditText mEtPwd;    //登入按鍵    private Button mBtnLogin;    private TextView mTvResult;    private String url ="http://192.168.1.102:8080/Login/login";    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        initView();        initListener();    }    /**     * 初始化組件     */    private void initView() {        mEtUsername = (EditText) findViewById(R.id.login_et_name);        mEtPwd = (EditText) findViewById(R.id.login_et_pwd);        mBtnLogin = (Button) findViewById(R.id.login_btn_login);        mTvResult = (TextView) findViewById(R.id.login_tv_result);    }    /**     * 設定監聽器     */    private void initListener() {        mBtnLogin.setOnClickListener(this);    }    /*    單擊事件監聽     */    @Override    public void onClick(View v) {        if(v==mBtnLogin){            login();        }    }    /*    登入     */    private void login() {        final String username = mEtUsername.getText().toString().trim();        final String password = mEtPwd.getText().toString().trim();        if(TextUtils.isEmpty(username) || TextUtils.isEmpty(password)){            Toast.makeText(MainActivity.this, "使用者名稱或者密碼不可為空", Toast.LENGTH_SHORT).show();            return;        }        new Thread(){            @Override            public void run() {                    HttpUtils httpUtils = new HttpUtils();                    //轉換為JSON                    String user = httpUtils.bolwingJson(username, password);                //String user ="{'username':" + username + ","+"'password':"+password+"}";                Log.d(TAG, "user:" + user);                try {                    final String result = httpUtils.login(url, user);                    Log.d(TAG, "結果:" + result);                    //更新UI,在UI線程中                    runOnUiThread(new Runnable() {                        @Override                        public void run() {                            if("SUCCESS".equals(result)){                                mTvResult.setText("登入成功");                            }else{                                mTvResult.setText("登入失敗");                            }                        }                    });                } catch (IOException e) {                    e.printStackTrace();                }            }        }.start();    }}