package com.example.day01_http_post01;
import android.annotation.SuppressLint;
import android.os.Handler;
import android.os.Message;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.util.day01_http_post01.NextUtil;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
public class MainActivity extends AppCompatActivity {
private EditText editText;
private Button button;
private TextView textView;
private String str;
private final int UPDATR_UI = 1;
@SuppressLint("HandlerLeak")
private Handler handler = new Handler(){
@Override
public void handleMessage(Message msg) {
switch (msg.what){
case UPDATR_UI:
textView.setText(msg.obj.toString());
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//获取资源id
editText = findViewById(R.id.ed_name);
button = findViewById(R.id.btn);
textView = findViewById(R.id.text);
//点击
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//判断是否有可用网络
if(!NextUtil.hasNetwork(MainActivity.this)){
Toast.makeText(MainActivity.this,"当前无网络",Toast.LENGTH_SHORT).show();
return;
}
new Thread(new Runnable() {
@Override
public void run() {
query(editText.getText().toString());
}
}).start();
}
});
}
private String baseUrl = "http://tcc.taobao.com/cc/json/mobile_tel_segment.htm";
private void query(String num) {
try {
//定义url地址
URL url = new URL(baseUrl);
//打开连接
HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
//设置请求方式
urlConnection.setRequestMethod("POST");
//超时
urlConnection.setReadTimeout(5000);
urlConnection.setConnectTimeout(5000);
//表示需要输出的参数
urlConnection.setDoOutput(true);
//输出参数
String params = "tel="+num;
urlConnection.getOutputStream().write(params.getBytes());
urlConnection.getOutputStream().flush();
//获取状态码
int responseCode = urlConnection.getResponseCode();
if(responseCode == 200){
str = stream(urlConnection.getInputStream());
}else{
str = "error"+responseCode;
}
handler.sendMessage(handler.obtainMessage(UPDATR_UI,str));
} catch (Exception e) {
e.printStackTrace();
}
}
private String stream(InputStream is) throws IOException {
InputStreamReader isr = new InputStreamReader(is,"gbk");
BufferedReader br = new BufferedReader(isr);
StringBuilder builder = new StringBuilder();
for(String t = br.readLine();t != null;t = br.readLine()){
builder.append(t);
}
return builder.toString();
}
}
package com.util.day01_http_post01;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
public class NextUtil {
//是否有可用网络
public static boolean hasNetwork(Context context){
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = cm.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isAvailable();
}
}