android httpclient与javaweb服务器通讯

最新推荐文章于 2021-02-27 05:29:38 发布

原创最新推荐文章于 2021-02-27 05:29:38 发布 · 457 阅读

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#javaweb #通讯 #android Httpclient

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本博客介绍如何使用智能设备进行地理位置定位，并将其应用于危险区域的管理，通过API调用将经纬度、设备IMEI等信息发送至服务器，实现危险区域的实时监控与响应。

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import java.io.IOException;

import java.io.InputStream;

import java.io.UnsupportedEncodingException;

import java.util.ArrayList;

import java.util.List;

import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.message.BasicNameValuePair;

import android.os.Bundle;

import android.app.Activity;

import android.content.Context;

import android.content.Intent;

import android.telephony.TelephonyManager;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.Toast;

public class AddDangerousZoneActivity extends Activity {

Button btn_back;//返回按钮

Button btn_QuDing;//确定按钮

Button btn_QuXiao;//取消按钮

private EditText txt_weidu;

private EditText txt_jingdu;

private EditText txt_banJIng;

private EditText txt_location;

private int ID;

String txtWei;

String txtJIng;

String txtLocation;

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_adddagenrous_zone);

txt_weidu=(EditText) findViewById(R.id.txt_weidu);

txt_jingdu=(EditText) findViewById(R.id.txt_jingdu);

txt_banJIng=(EditText) findViewById(R.id.txt_banjing);

txt_location=(EditText) findViewById(R.id.txt_location);

Intent intent=getIntent();

txtJIng=intent.getStringExtra("jingdu");

txtWei=intent.getStringExtra("weidu");

// txtWei=intent.getStringExtra("Dp_latitude");

// txtJIng=intent.getStringExtra("lalongitude");

// txtLocation=intent.getStringExtra("Dp_location");

txt_weidu.setText(txtWei);

txt_jingdu.setText(txtJIng);

// txt_location.setText(txtLocation);

btn_back=(Button) findViewById(R.id.btn_back);

//返回按钮的监听

btn_back.setOnClickListener(new OnClickListener() {

public void onClick(View arg0) {

finish();//结束activity

}

});

btn_QuXiao=(Button) findViewById(R.id.btn_quxiao);

//取消按钮的监听

btn_QuXiao.setOnClickListener(new OnClickListener() {

public void onClick(View arg0) {

finish();//结束activity

}

});

btn_QuDing=(Button) findViewById(R.id.btn_DzQuding);

btn_QuDing.setOnClickListener(new OnClickListener() {

public void onClick(View arg0) {

new Thread(new Runnable() {

@Override

public void run() {

Readnet(txt_weidu.getText().toString().trim(),txt_jingdu.getText().toString().trim(),txt_banJIng.getText().toString().trim(),

txt_location.getText().toString().trim());

}

private void Readnet(String weidu, String Jingdu,

String banjing, String location) {

//创建HttpClient实例

DefaultHttpClient client = new DefaultHttpClient();

//创建某种连接方法的实例，在这里是HttpPost。在 HttpPost 的构造函数中传入待连接的地址

String URL="http://1112hui.nat123.net:41083/ward/DzInsert";

HttpPost post=new HttpPost(URL);

//获取手机IMEI码

TelephonyManager telephonyManager= (TelephonyManager)AddDangerousZoneActivity.this.getSystemService(Context.TELEPHONY_SERVICE);

final String imei=telephonyManager.getDeviceId();

System.out.println(imei);

//封装传递参数的集合

List<NameValuePair> list=new ArrayList<NameValuePair>();

//往这个集合中添加你要传递的参数

list.add(new BasicNameValuePair("Dz_latitude", String.valueOf(weidu)));

list.add(new BasicNameValuePair("Dz_lalongitude", String.valueOf(Jingdu)));

list.add(new BasicNameValuePair("Dz_banjing", String.valueOf(banjing)));

list.add(new BasicNameValuePair("Dz_location", String.valueOf(location)));

list.add(new BasicNameValuePair("Dz_imei", imei));

//把实体对象存入到Httppost对象中

try {

post.setEntity(new UrlEncodedFormEntity(list,"UTF-8"));

HttpResponse response=client.execute(post);

//读response,判断状态码

if(response.getStatusLine().getStatusCode()==200){

//获取内容

InputStream is=response.getEntity().getContent();

//通过工具类转文本StreamTools类后面补上

final String Value=StreamTools.streamToStr(is);

AddDangerousZoneActivity.this.runOnUiThread(new Runnable() {

public void run() {

//设置控件的内容从服务器中获取，回到UI界面

Toast.makeText(getApplicationContext(), Value, Toast.LENGTH_LONG).show();

}

});

}

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

} catch (ClientProtocolException e) {

e.printStackTrace();

} catch (IllegalStateException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}finally{

//释放连接。无论执行方法是否成功，都必须释放连接

client.getConnectionManager().shutdown();

}

}).start();

Intent i=new Intent(AddDangerousZoneActivity.this,SelectZoneActivity.class);

startActivity(i);

finish();

}

});

}