欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

qq-jsp页面登录qq

程序员文章站 2022-07-05 09:17:53
// An highlighted blockpackage com.example.qq_login_fuwuqi;import androidx.annotation.NonNull;import androidx.appcompat.app.AppCompatActivity;import android.content.Intent;import android.os.Bundle;import android.os.Handler;import android.os.Messag...
// An highlighted block
package com.example.qq_login_fuwuqi;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Toast;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

public class MainActivity extends AppCompatActivity {
    EditText editText_name,editText_password;
    ImageButton imageButton;
    String result;
    Handler handler;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        editText_name=findViewById(R.id.edit_1);
        editText_password=findViewById(R.id.edit_2);
        imageButton=findViewById(R.id.imgBtn);
        imageButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                result="";
                if(editText_name.getText().toString().equals("")||
                        editText_password.getText().toString().equals(""))
                {
                    Toast.makeText(MainActivity.this,"请输入用户名或密码",Toast.LENGTH_SHORT).show();
                }
                else
                {
                    handler=new Handler(){
                        @Override
                        public void handleMessage(@NonNull Message msg) {
                            if("ok".equals(result))
                            {
                                Intent intent=new Intent(MainActivity.this,MainActivity2.class);
                                startActivity(intent);
                            }
                            else
                            {
                                Toast.makeText(MainActivity.this,"用户名或密码错误",Toast.LENGTH_SHORT).show();
                            }
                            super.handleMessage(msg);
                        }
                    };
                    new Thread(new Runnable() {
                        @Override
                        public void run() {
                            Send();
                            Message message=handler.obtainMessage();
                            handler.sendMessage(message);
                        }
                    }).start();
                }
            }
        });

    }
    public void Send()
    {
        String address="http://10.211.248.235:8080/android/post.jsp";
        try {
            URL url=new URL(address);
            HttpURLConnection coon= (HttpURLConnection) url.openConnection();
            coon.setRequestMethod("POST");//指定使用post请求
            coon.setDoInput(true);//写入数据
            coon.setDoOutput(true);//读入数据
            coon.setUseCaches(false);//禁止使用缓存
            coon.setInstanceFollowRedirects(true);//自动执行http重定向
            coon.setRequestProperty("Content-type","application/x-www-form-urlencoded");//参数类型设置
            DataOutputStream dos=new DataOutputStream(coon.getOutputStream());
            String param="username="+ URLEncoder.encode(editText_name.getText().toString(),"utf-8")
                    +"&password="+URLEncoder.encode(editText_password.getText().toString(),"utf-8");
            dos.writeBytes(param);//将数据写入流
            dos.flush();
            dos.close();
            if(coon.getResponseCode()==HttpURLConnection.HTTP_OK);
            {
                InputStreamReader isr=new InputStreamReader(coon.getInputStream());
                BufferedReader br=new BufferedReader(isr);
                String data="";
                while((data=br.readLine())!=null)
                {
                    result+=data;
                }
                isr.close();
            }
            coon.disconnect();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

本文地址:https://blog.csdn.net/sumaiLme/article/details/112260505

相关标签: post jsp