網路設置請求返回參數

㈠ 求使用httpClient項目實現向指定網路URL傳參並獲得返回值的代碼

packagecom.weixin.util;

importjava.io.BufferedReader;
importjava.io.IOException;
importjava.io.InputStream;
importjava.io.InputStreamReader;
importjava.io.StringWriter;
importjava.io.UnsupportedEncodingException;
importjava.util.ArrayList;
importjava.util.List;
importjava.util.Map;

importorg.apache.http.Header;
importorg.apache.http.HttpHost;
importorg.apache.http.HttpResponse;
importorg.apache.http.HttpStatus;
importorg.apache.http.HttpVersion;
importorg.apache.http.ParseException;
importorg.apache.http.client.ClientProtocolException;
importorg.apache.http.client.HttpClient;
importorg.apache.http.client.entity.UrlEncodedFormEntity;
importorg.apache.http.client.methods.HttpGet;
importorg.apache.http.client.methods.HttpPost;
importorg.apache.http.client.params.CookiePolicy;
importorg.apache.http.client.params.HttpClientParams;
importorg.apache.http.conn.params.ConnRoutePNames;
importorg.apache.http.impl.client.DefaultHttpClient;
importorg.apache.http.message.BasicNameValuePair;
importorg.apache.http.params.BasicHttpParams;
importorg.apache.http.params.HttpConnectionParams;
importorg.apache.http.params.HttpParams;
importorg.apache.http.params.HttpProtocolParams;
importorg.apache.http.protocol.HTTP;

//importbsh.ParseException;
importcom.google.gson.Gson;

/**
*TODO
*@Version1.0
*/
publicclassHttpClients{
	/**UTF-8*/
	privatestaticfinalStringUTF_8="UTF-8";
	/**日誌記錄tag*/
	privatestaticfinalStringTAG="HttpClients";

	/**用戶host*/
	privatestaticStringproxyHost="";
	/**用戶埠*/
	privatestaticintproxyPort=80;
	/**是否使用用戶埠*/
	privatestaticbooleanuseProxy=false;

	/**連接超時*/
	privatestaticfinalintTIMEOUT_CONNECTION=60000;
	/**讀取超時*/
	privatestaticfinalintTIMEOUT_SOCKET=60000;
	/**重試3次*/
	privatestaticfinalintRETRY_TIME=3;

	/**
	*@paramurl
	*@paramrequestData
	*@return
	*/
	publicStringdoHtmlPost(HttpClienthttpClient,HttpPosthttpPost)
	{
		StringresponseBody=null;

		intstatusCode=-1;

		try{
			
			HttpResponsehttpResponse=httpClient.execute(httpPost);
			HeaderlastHeader=httpResponse.getLastHeader("Set-Cookie");
			if(null!=lastHeader)
			{
				httpPost.setHeader("cookie",lastHeader.getValue());
			}
			statusCode=httpResponse.getStatusLine().getStatusCode();
			if(statusCode!=HttpStatus.SC_OK){
				System.out.println("HTTP"+""+"HttpMethodfailed:"+httpResponse.getStatusLine());
			}
			InputStreamis=httpResponse.getEntity().getContent();
			responseBody=getStreamAsString(is,HTTP.UTF_8);

		}catch(Exceptione){
			//發生網路異常
			e.printStackTrace();
		}finally{
//			httpClient.getConnectionManager().shutdown();
//			httpClient=null;
		}

		returnresponseBody;
	}
	
	
	/**
	*
	*發起網路請求
	*
	*@paramurl
	*URL
	*@paramrequestData
	*requestData
	*@returnINPUTSTREAM
	*@throwsAppException
	*/
	publicstaticStringdoPost(Stringurl,StringrequestData)throwsException{
		StringresponseBody=null;
		HttpPosthttpPost=null;
		HttpClienthttpClient=null;
		intstatusCode=-1;
		inttime=0;
		do{
			try{
				httpPost=newHttpPost(url);
				httpClient=getHttpClient();
				//設置HTTPPOST請求參數必須用NameValuePair對象
				List<BasicNameValuePair>params=newArrayList<BasicNameValuePair>();
				params.add(newBasicNameValuePair("param",requestData));
				UrlEncodedFormEntityentity=newUrlEncodedFormEntity(params,HTTP.UTF_8);
				//設置HTTPPOST請求參數
				httpPost.setEntity(entity);
				HttpResponsehttpResponse=httpClient.execute(httpPost);
				statusCode=httpResponse.getStatusLine().getStatusCode();
				if(statusCode!=HttpStatus.SC_OK){
					System.out.println("HTTP"+""+"HttpMethodfailed:"+httpResponse.getStatusLine());
				}
				InputStreamis=httpResponse.getEntity().getContent();
				responseBody=getStreamAsString(is,HTTP.UTF_8);
				break;
			}catch(UnsupportedEncodingExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生致命的異常，可能是協議不對或者返回的內容有問題
				e.printStackTrace();

			}catch(ClientProtocolExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生致命的異常，可能是協議不對或者返回的內容有問題
				e.printStackTrace();
			}catch(IOExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生網路異常
				e.printStackTrace();
			}catch(Exceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生網路異常
				e.printStackTrace();
			}finally{
				httpClient.getConnectionManager().shutdown();
				httpClient=null;
			}
		}while(time<RETRY_TIME);
		returnresponseBody;
	}

	/**
	*
	*將InputStream轉化為String
	*
	*@paramstream
	*inputstream
	*@paramcharset
	*字元集
	*@return
	*@throwsIOException
	*/
	(InputStreamstream,Stringcharset)throwsIOException{
		try{
			BufferedReaderreader=newBufferedReader(newInputStreamReader(stream,charset),8192);
			StringWriterwriter=newStringWriter();

			char[]chars=newchar[8192];
			intcount=0;
			while((count=reader.read(chars))>0){
				writer.write(chars,0,count);
			}

			returnwriter.toString();
		}finally{
			if(stream!=null){
				stream.close();
			}
		}
	}
	
	/**
	*得到httpClient
	*
	*@return
	*/
	(){
		finalHttpParamshttpParams=newBasicHttpParams();

		if(useProxy){
			HttpHostproxy=newHttpHost(proxyHost,proxyPort,"http");
			httpParams.setParameter(ConnRoutePNames.DEFAULT_PROXY,proxy);
		}

		HttpConnectionParams.setConnectionTimeout(httpParams,TIMEOUT_CONNECTION);
		HttpConnectionParams.setSoTimeout(httpParams,TIMEOUT_SOCKET);
		HttpClientParams.setRedirecting(httpParams,true);
		finalStringuserAgent="Mozilla/5.0(Windows;U;WindowsNT6.1;zh-CN;rv:1.9.2.14)Gecko/20110218Firefox/3.6.14";

		HttpProtocolParams.setUserAgent(httpParams,userAgent);
		HttpProtocolParams.setVersion(httpParams,HttpVersion.HTTP_1_1);
		HttpClientParams.setCookiePolicy(httpParams,CookiePolicy.RFC_2109);
		
		HttpProtocolParams.setUseExpectContinue(httpParams,false);
		HttpClientclient=newDefaultHttpClient(httpParams);

		returnclient;
	}

	/**
	*
	*得到httpClient
	*
	*@return
	*/
	(){
		finalHttpParamshttpParams=newBasicHttpParams();

		if(useProxy){
			HttpHostproxy=newHttpHost(proxyHost,proxyPort,"http");
			httpParams.setParameter(ConnRoutePNames.DEFAULT_PROXY,proxy);
		}

		HttpConnectionParams.setConnectionTimeout(httpParams,TIMEOUT_CONNECTION);
		HttpConnectionParams.setSoTimeout(httpParams,TIMEOUT_SOCKET);
		HttpClientParams.setRedirecting(httpParams,true);
		finalStringuserAgent="Mozilla/5.0(Windows;U;WindowsNT6.1;zh-CN;rv:1.9.2.14)Gecko/20110218Firefox/3.6.14";

		HttpProtocolParams.setUserAgent(httpParams,userAgent);
		HttpProtocolParams.setVersion(httpParams,HttpVersion.HTTP_1_1);
		HttpClientParams.setCookiePolicy(httpParams,CookiePolicy.BROWSER_COMPATIBILITY);
		HttpProtocolParams.setUseExpectContinue(httpParams,false);
		HttpClientclient=newDefaultHttpClient(httpParams);

		returnclient;
	}

	/**
	*列印返回內容
	*@paramresponse
	*@throwsParseException
	*@throwsIOException
	*/
	publicstaticvoidshowResponse(Stringstr)throwsException{
		Gsongson=newGson();		
		Map<String,Object>map=(Map<String,Object>)gson.fromJson(str,Object.class);
		Stringvalue=(String)map.get("data");		
		//StringdecodeValue=Des3Request.decode(value);
		//System.out.println(decodeValue);
		//logger.debug(decodeValue);
	}
	
	/**
	*
	*發起網路請求
	*
	*@paramurl
	*URL
	*@paramrequestData
	*requestData
	*@returnINPUTSTREAM
	*@throwsAppException
	*/
	publicstaticStringdoGet(Stringurl)throwsException{
		StringresponseBody=null;
		HttpGethttpGet=null;
		HttpClienthttpClient=null;
		intstatusCode=-1;
		inttime=0;
		do{
			try{
				httpGet=newHttpGet(url);
				httpClient=getHttpClient();
				HttpResponsehttpResponse=httpClient.execute(httpGet);
				statusCode=httpResponse.getStatusLine().getStatusCode();
				if(statusCode!=HttpStatus.SC_OK){
					System.out.println("HTTP"+""+"HttpMethodfailed:"+httpResponse.getStatusLine());
				}
				InputStreamis=httpResponse.getEntity().getContent();
				responseBody=getStreamAsString(is,HTTP.UTF_8);
				break;
			}catch(UnsupportedEncodingExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生致命的異常，可能是協議不對或者返回的內容有問題
				e.printStackTrace();

			}catch(ClientProtocolExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生致命的異常，可能是協議不對或者返回的內容有問題
				e.printStackTrace();
			}catch(IOExceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生網路異常
				e.printStackTrace();
			}catch(Exceptione){
				time++;
				if(time<RETRY_TIME){
					try{
						Thread.sleep(1000);
					}catch(InterruptedExceptione1){
					}
					continue;
				}
				//發生網路異常
				e.printStackTrace();
			}finally{
				httpClient.getConnectionManager().shutdown();
				httpClient=null;
			}
		}while(time<RETRY_TIME);
		returnresponseBody;
	}
}

㈡ 一個有返回值的方法怎麼在網路請求成功以後再返回數據

while(Xhr.readyState != 4){ var time1 = 獲取當前時間;//我不知道怎麼獲取當前時間 var time2; while(true){ time2 = 獲取當前時間; if(time2 - time1 == 1分鍾){ //如果是格林威治時間1分鍾這里寫60*1000 break; } } Xhr.send(null); }

㈢ 4G網路參數設置

我司4G手機參數：APN（接入點、訪問點）：3gwap/3GWAP，代理伺服器地址：10.0.0.172，埠：80。您點擊手機設置＞數據連接＞移動網路設置＞網路模式＞LTE(首選 )/WCDMA/GSM，即可打開HTC手機4G網路設置。
使用聯通4G網路需要三個條件：使用開通聯通4G功能的USIM卡、手持支持聯通4G網路終端、在有聯通4G網路的覆蓋下。建議您通過以上條件進行排障。

—————
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㈣ IPHONE手機的網路參數設置是怎麼樣的

IPHONE手機的網路設置方法如下：設置-飛行模式-關閉；設置-wifi-打開或關閉皆可；設置-VPN-關閉；設置-運營商-搜索後可自行查找到CHN-CUGSM；設置-推送-打開，獲取可任意選擇，通常選手動；設置-通用-網路-啟用3G-打開。（上述內容僅適用於廣東聯通用戶）

㈤ 手機上網參數設置

接入點名稱cmwap，代理ip10.0.0.172埠80沒有的保持原有

㈥ 判斷網路請求返回值是json還是字元串

jquery的ajax非同步請求接收返回json數據方法設置簡單，一個是伺服器處理程序是返回json數據。
另一種就是ajax發送設置的datatype設置為jsonp格式數據或json格式都可以。

㈦ 從第三方介面地址獲取返回的參數

1. 創建HttpClient對象。
2. 創建請求方法的實例，並指定請求URL。如果需要發送GET請求，創建HttpGet對象；如果需要發送POST請求，創建HttpPost對象。
3. 如果需要發送請求參數，可調用HttpGet、HttpPost共同的setParams(HetpParams params)方法來添加請求參數；對於HttpPost對象而言，也可調用setEntity(HttpEntity entity)方法來設置請求參數。
4. 調用HttpClient對象的execute(HttpUriRequest request)發送請求，該方法返回一個HttpResponse。
5. 調用HttpResponse的getAllHeaders()、getHeaders(String name)等方法可獲取伺服器的響應頭；調用HttpResponse的getEntity()方法可獲取HttpEntity對象，該對象包裝了伺服器的響應內容。程序可通過該對象獲取伺服器的響應內容。
6. 釋放連接。無論執行方法是否成功，都必須釋放連接

㈧ 發起網路請求後，如何取出回調函數里返回的

你好!
你的設計意圖在引入ajax回調之後不可能實現了.
按你的設計目的,我建議你這樣改進:

function Password_CallBack(response) {
document.getElementById('hiddenPassword').value = response;
//這里取消 return confirm('The password has been reset to ' + response + ' , do you want to send email?');
//改為:
if(confirm('The password has been reset to ' + response + ' , do you want to send email?'))
{
//在這里再發起一次ajax請求,在server端實現發送email重置密碼的通知.
}
}

另一種解決方案是:
public static string GetPassword()加一個bool類型的參數sendEmail,在server端直接實現發送email.
在調用ajax請求GetPassword之前,先請用戶 var sendEmail=confirm('The password has been reset to ' + response + ' , do you want to send email?');
把confirm返回的結果作為參數傳給GetPassword方法.

最後 .一樓的解決方法看上去可行,但實際 運行時,A永遠都是null.不會實現正確效果