此文就是作爲筆記使用,以防忘記,下面是全部代碼:
此文請求的是web程序的一個servlet 定義了一個post和get方法 ,get方法傳入的name和age,post傳入的參數是name1和age1 。
你可以自己建一個簡單的站點用於測試:
下面是我的servlet 主要代碼:
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html;charset=gbk");
String name=request.getParameter("name").toString();
String age=request.getParameter("age").toString();
PrintWriter out = response.getWriter();
out.print("你使用Get發送請求,你的名字是:"+name+",你的年齡是:"+age);
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException
{
response.setContentType("text/html;charset=gbk");
String name=request.getParameter("name1").toString();
String age=request.getParameter("age1").toString();
PrintWriter out = response.getWriter();
out.print("你使用Post發送請求,你的名字是:"+name+",你的年齡是:"+age);
}
android main代碼:
package ytbk.soft.activity;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
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.os.StrictMode;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.graphics.Path.FillType;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends Activity
{
private Button getButton = null;
private Button postButton=null;
private EditText name=null;
private EditText age=null;
private String baseUrl="http://192.168.10.86:8080/service/indexService";
private HttpResponse response = null;
private HttpEntity entity = null;
@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.mainactivity);
//以下是android 4 版本以後,無法在主線程訪問網絡解決方法 如果你還是2系列的版本講此代碼去掉
StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
.detectDiskReads()
.detectDiskWrites()
.detectNetwork() // 這裏可以替換爲detectAll() 就包括了磁盤讀寫和網絡I/O
.penaltyLog() //打印logcat,當然也可以定位到dropbox,通過文件保存相應的log
.build());
StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
.detectLeakedSqlLiteObjects() //探測SQLite數據庫操作
.penaltyLog() //打印logcat
.penaltyDeath()
.build());
getButton=(Button)this.findViewById(R.id.getButton);
postButton=(Button)this.findViewById(R.id.postButton);
name=(EditText)this.findViewById(R.id.name);
age=(EditText)this.findViewById(R.id.age);
getButton.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
String sname=name.getText().toString();
String sage=age.getText().toString();
String Url=baseUrl+"?name="+sname+"&age="+sage;
HttpGet httpget=new HttpGet(Url);
HttpClient client=new DefaultHttpClient();
InputStream stream=null;
try {
response=client.execute(httpget);
entity=response.getEntity();
stream=entity.getContent();
BufferedReader reder=new BufferedReader(new InputStreamReader(stream));
String result="";
String line="";
while((line=reder.readLine())!=null)
{
result=result+line;
}
System.out.println(result);
} catch (Exception e) {
System.out.println(e.getMessage()+"```````````````````````````````"+e.toString());
}finally{
try {
stream.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
}
});
postButton.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v)
{
String sname=name.getText().toString();
String sage=age.getText().toString();
NameValuePair namevalue=new BasicNameValuePair("name1",sname);
NameValuePair agevalue=new BasicNameValuePair("age1",sage);
List<NameValuePair> list=new ArrayList<NameValuePair>();
list.add(namevalue);
list.add(agevalue);
InputStream stream=null;
try {
HttpEntity entity=new UrlEncodedFormEntity(list);
HttpPost post=new HttpPost(baseUrl);
post.setEntity(entity);
HttpClient client=new DefaultHttpClient();
try {
response=client.execute(post);
//一定要注意此處,重新獲取響應數據,否則你獲取到的是你的url參數請求信息
entity=response.getEntity();
stream=entity.getContent();
BufferedReader reder=new BufferedReader(new InputStreamReader(stream));
String result="";
String line="";
while((line=reder.readLine())!=null)
{
result=result+line;
}
System.out.println(result);
} catch (Exception e) {
System.out.println(e.getMessage()+"```````````````````````````````"+e.toString());
}finally{
try {
stream.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
stream.close();
} catch (Exception e2) {
e2.printStackTrace();
}
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}