怎样实现android http-post方法实例说明

概述复制代码代码如下:packagecom.hl;importjava.io.BufferedReader;importjava.io.IOException;importjava.io.InputStream;importjava.io.InputStreamReader;importjava.util.ArrayList;importjava.util.HashMap;import 复制代码 代码如下:
package com.hl;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.inputStream;
import java.io.inputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.apache.http.httpentity;
import org.apache.http.httpResponse;
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.app.Activity;
import androID.os.Bundle;
import androID.vIEw.VIEw;
import androID.vIEw.VIEw.OnClickListener;
import androID.Widget.button;
import androID.Widget.EditText;
import androID.Widget.TextVIEw;

public class SimplePOST extends Activity {
private TextVIEw show;
private EditText txt;
private button btn;

@OverrIDe
public voID onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentVIEw(R.layout.main);
show = (TextVIEw)findVIEwByID(R.ID.show);
txt = (EditText)findVIEwByID(R.ID.txt);
btn = (button)findVIEwByID(R.ID.btn);
btn.setonClickListener(new OnClickListener() {

@OverrIDe
public voID onClick(VIEw v) {
dopost(txt.getText().toString());

}
});
}

private voID dopost(String val){
//封装数据
Map<String,String> parmas = new HashMap<String,String>();
parmas.put("name",val);

DefaulthttpClIEnt clIEnt = new DefaulthttpClIEnt();//http客户端
httpPost httpPost = new httpPost("http://mhycoe.com/test/post.PHP");

ArrayList<BasicnameValuePair> pairs = new ArrayList<BasicnameValuePair>();
if(parmas != null){
Set<String> keys = parmas.keySet();
for(Iterator<String> i = keys.iterator(); i.hasNext();) {
String key = (String)i.next();
pairs.add(new BasicnameValuePair(key,parmas.get(key)));
}
}

try {
UrlEncodedFormEntity p_entity = new UrlEncodedFormEntity(pairs,"utf-8");
/*
* 将POST数据放入http请求
*/
httpPost.setEntity(p_entity);
/*
* 发出实际的http POST请求
*/
httpResponse response = clIEnt.execute(httpPost);
httpentity entity = response.getEntity();
inputStream content = entity.getContent();
String returnConnection = convertStreamToString(content);
show.setText(returnConnection);
} catch (IllegalStateException e) {
e.printstacktrace();
} catch (IOException e) {
e.printstacktrace();
}

}

private String convertStreamToString(inputStream is) {
BufferedReader reader = new BufferedReader(new inputStreamReader(is));
StringBuilder sb = new StringBuilder();
String line = null;
try {
while ((line = reader.readline()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printstacktrace();
} finally {
try {
is.close();
} catch (IOException e) {
e.printstacktrace();
}
}
return sb.toString();
}
}
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