转载：www.androidkaifa.com
这是笔者我本人在工作中实际运用的一个能用android网络工具类（一部分），写不是很好，如哪个大牛可以为我指点指点，还请留言，谢谢，现在我把它在www.androidkaifa.com放出来，希望对需要的朋友有帮助，
public class ShopHttpTool {
private static final String CHARSET = HTTP.UTF_8;
private static HttpClient customerHttpClient;
private static final String TAG="ShopHttpTool";
public static synchronized HttpClient getHttpClient() {
if (null == customerHttpClient) {
HttpParams params = new BasicHttpParams();
// 设置http协议版本
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, CHARSET);
HttpProtocolParams.setUserAgent(params,"Mozilla/5.0(Linux;U;Android 2.2.1;en-us;Nexus One Build.FRG83)"+ "AppleWebKit/553.1(KHTML,like Gecko) Version/4.0 Mobile Safari/533.1");
ConnManagerParams.setTimeout(params, 100000);
HttpConnectionParams.setConnectionTimeout(params, 100000);
HttpConnectionParams.setSoTimeout(params, 100000);
SchemeRegistry schReg = new SchemeRegistry();
schReg.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
schReg.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
//使用线程安全方式去管理创建HttpClient
ClientConnectionManager conMgr = new ThreadSafeClientConnManager(params, schReg);
customerHttpClient = new DefaultHttpClient(conMgr, params);
}
return customerHttpClient;
}
//数据请求访问
public static InputStream postupload(String url, List<NameValuePair> formparams,UserBean user) throws Exception{
HttpResponse response;
//将参数条件传入对象实体
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formparams,CHARSET);
// 创建POST请求
HttpPost request = new HttpPost(url);
if(user==null){
request.addHeader("userid", "0");
request.addHeader("weblogid", "");
}else {
request.addHeader("userid", user.getId());
request.addHeader("weblogid", user.getWeblogid());
}
request.addHeader("Content-Type","application/x-www-form-urlencoded");
request.setEntity(entity);
Log.i(TAG, request.getURI().getPath());
HttpClient client =new DefaultHttpClient();
response = client.execute(request);
if(response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new RuntimeException("请求失败");
}
HttpEntity resEntity = response.getEntity();
Log.i(TAG, "is success");
return (resEntity == null) ? null:resEntity.getContent();
}
public static InputStream getupload(String url,Map<String, String> params,UserBean user)throws Exception{
StringBuilder sb = new StringBuilder(url);
sb.append('?');
// ?method=save&title=435435435&timelength=89&
for(Map.Entry<String, String> entry : params.entrySet()){
sb.append(entry.getKey()).append('=').append(URLEncoder.encode(entry.getValue(), "UTF-8")).append('&');
}
sb.deleteCharAt(sb.length()-1);
Log.i(TAG, sb.toString());
HttpGet httpget=new HttpGet(sb.toString());
httpget.addHeader("weblogid", user.getWeblogid());
if(user==null){
httpget.addHeader("userid", "0");
}else {
httpget.addHeader("userid", user.getId());
}
httpget.addHeader("Content-Type","application/x-www-form-urlencoded");
//取得HttpClient对象
HttpClient httpclient =getHttpClient();
//请求HttpClient，取得HttpResponse
HttpResponse response = httpclient.execute(httpget);
//请求成功
if(response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new RuntimeException("请求失败");
}
HttpEntity resEntity = response.getEntity();
Log.i(TAG, "is success");
return (resEntity == null) ? null:resEntity.getContent();
}
//SSL HTTPS Cookie
public static InputStream sendRequestFromHttpClient(String path, Map<String, String> params,UserBean user) throws Exception{
List<NameValuePair> paramPairs = new ArrayList<NameValuePair>();
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry : params.entrySet()){
paramPairs.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
}
UrlEncodedFormEntity entitydata = new UrlEncodedFormEntity(paramPairs, CHARSET);//得到经过编码过后的实体数据
HttpPost post = new HttpPost(path); //form
post.addHeader("weblogid", user.getWeblogid());
if(user==null){
post.addHeader("userid", "0");
}else {
post.addHeader("userid", user.getId());
}
post.addHeader("ContentType", "application/x-www-form-urlencoded");
post.setEntity(entitydata);
DefaultHttpClient client = new DefaultHttpClient(); //微端
HttpResponse response = client.execute(post);//执行请求
if(response.getStatusLine().getStatusCode()==200){
Log.i(TAG, "is success");
return response.getEntity().getContent();
}
return null;
}
public static InputStream sendPostRequest(String path, Map<String, String> params,UserBean user) throws Exception{
StringBuilder sb = new StringBuilder();
if(params!=null && !params.isEmpty()){
for(Map.Entry<String, String> entry : params.entrySet()){
sb.append(entry.getKey()).append('=')
.append(URLEncoder.encode(entry.getValue(), CHARSET)).append('&');
}
sb.deleteCharAt(sb.length()-1);
}
byte[] entitydata = sb.toString().getBytes();//得到实体的二进制数据
URL url = new URL(path);
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod("POST");
conn.setConnectTimeout(5 * 1000);
conn.setDoOutput(true);//如果通过post提交数据，必须设置允许对外输出数据
//Content-Type: application/x-www-form-urlencoded
//Content-Length: 38
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(entitydata.length));
conn.setRequestProperty("weblogid", user.getWeblogid());
if(user==null){
conn.setRequestProperty("userid", "0");
}else
{
conn.setRequestProperty("userid", user.getId());
}
OutputStream outStream = conn.getOutputStream();
outStream.write(entitydata);
outStream.flush();
outStream.close();
if(conn.getResponseCode()==200){
Log.i(TAG, "is success");
return conn.getInputStream();
}
return null;
}
public static InputStream sendGetRequest(String path, Map<String, String> params,UserBean user) throws Exception{
StringBuilder sb = new StringBuilder(path);
sb.append('?');
// ?method=save&title=435435435&timelength=89&
for(Map.Entry<String, String> entry : params.entrySet()){
sb.append(entry.getKey()).append('=')
.append(URLEncoder.encode(entry.getValue(), CHARSET)).append('&');
}
sb.deleteCharAt(sb.length()-1);
byte[] entitydata = sb.toString().getBytes();//得到实体的二进制数据
URL url = new URL(sb.toString());
HttpURLConnection conn = (HttpURLConnection)url.openConnection();
conn.setRequestMethod("GET");
conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
conn.setRequestProperty("Content-Length", String.valueOf(entitydata.length));
conn.setRequestProperty("weblogid", user.getWeblogid());
if(user==null){
conn.setRequestProperty("userid", "0");
}else
{
conn.setRequestProperty("userid", user.getId());
}
conn.setConnectTimeout(5 * 1000);
if(conn.getResponseCode()==200){
Log.i(TAG, "is success");
return conn.getInputStream();
}
return null;
}
public static byte[] readStream(InputStream inStream){
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
try {
byte[] buffer = new byte[1024];
int len = -1;
while( (len=inStream.read(buffer)) != -1){
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
} catch (IOException e) {
Log.w(TAG, e.getMessage());
}
return outSteam.toByteArray();
}
} 
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