一：對Http不了解的請看

Android Http請求框架一：Get 和 Post 請求

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二、正文

1、xUtils 下載地址

? ? github 下載地址? ： https://github.com/wyouflf/xUtils

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2、關于網絡請求的方法

package com.jike.shanglv.NetAndJson;import java.io.File;import com.lidroid.xutils.HttpUtils; import com.lidroid.xutils.exception.HttpException; import com.lidroid.xutils.http.RequestParams; import com.lidroid.xutils.http.ResponseInfo; import com.lidroid.xutils.http.ResponseStream; import com.lidroid.xutils.http.callback.RequestCallBack; import com.lidroid.xutils.http.client.HttpRequest; import com.lidroid.xutils.util.LogUtils;public class HttpUtil {String result = "" ;/*** Get請求 異步的* @param url 服務器地址* @param userkey * @param str* @param sign 簽名* @return*/public String xutilsGet( String url , String userkey , String str , String sign ){RequestParams params = new RequestParams();params.addQueryStringParameter("userkey", userkey );params.addQueryStringParameter("str", str );params.addQueryStringParameter("sign", sign );HttpUtils http = new HttpUtils();http.configCurrentHttpCacheExpiry(1000 * 10); //設置超時時間 10shttp.send(HttpRequest.HttpMethod.GET,url ,new RequestCallBack<String>(){@Overridepublic void onLoading(long total, long current, boolean isUploading) {}@Overridepublic void onSuccess(ResponseInfo<String> responseInfo) {result = responseInfo.result.toString() ;}@Overridepublic void onStart() {}@Overridepublic void onFailure(HttpException error, String msg) {}});return result ;}/*** Post請求 異步的* @param url* @param userkey* @param str* @param sign* @return*/public String xutilsPost( String url , String userkey , String str , String sign ){RequestParams params = new RequestParams();params.addQueryStringParameter("userkey", userkey );params.addQueryStringParameter("str", str );params.addQueryStringParameter("sign", sign );// 只包含字符串參數時默認使用BodyParamsEntity，// 類似于UrlEncodedFormEntity（"application/x-www-form-urlencoded"）。//params.addBodyParameter("name", "value");// 加入文件參數后默認使用MultipartEntity（"multipart/form-data"），// 如需"multipart/related"，xUtils中提供的MultipartEntity支持設置subType為"related"。// 使用params.setBodyEntity(httpEntity)可設置更多類型的HttpEntity（如：// MultipartEntity,BodyParamsEntity,FileUploadEntity,InputStreamUploadEntity,StringEntity）。// 例如發送json參數：params.setBodyEntity(new StringEntity(jsonStr,charset));HttpUtils http = new HttpUtils();http.configCurrentHttpCacheExpiry(1000 * 10); //設置超時時間 10s http.send(HttpRequest.HttpMethod.POST ,url ,params,new RequestCallBack<String>() {@Overridepublic void onStart() {}@Overridepublic void onLoading(long total, long current, boolean isUploading) {}@Overridepublic void onSuccess(ResponseInfo<String> responseInfo) {result = responseInfo.result.toString() ;}@Overridepublic void onFailure(HttpException error, String msg) {}});return result ;}/*** 帶上傳文件的 Post請求 異步的* @param url* @param userkey* @param str* @param sign* @param picString 文件的地址* @return*/public String xutilsFilePost( String url , String userkey , String str , String sign , String picString ){RequestParams params = new RequestParams();params.addQueryStringParameter("userkey", userkey );params.addQueryStringParameter("str", str );params.addQueryStringParameter("sign", sign );// 只包含字符串參數時默認使用BodyParamsEntity，// 類似于UrlEncodedFormEntity（"application/x-www-form-urlencoded"）。//params.addBodyParameter("name", "value");// 加入文件參數后默認使用MultipartEntity（"multipart/form-data"），// 如需"multipart/related"，xUtils中提供的MultipartEntity支持設置subType為"related"。// 使用params.setBodyEntity(httpEntity)可設置更多類型的HttpEntity（如：// MultipartEntity,BodyParamsEntity,FileUploadEntity,InputStreamUploadEntity,StringEntity）。// 例如發送json參數：params.setBodyEntity(new StringEntity(jsonStr,charset));params.addBodyParameter("picture", new File( picString )) ;com.lidroid.xutils.HttpUtils http = new com.lidroid.xutils.HttpUtils();http.send(HttpRequest.HttpMethod.POST ,url ,params,new RequestCallBack<String>() {@Overridepublic void onStart() {}@Overridepublic void onLoading(long total, long current, boolean isUploading) {}@Overridepublic void onSuccess(ResponseInfo<String> responseInfo) {result = responseInfo.result.toString() ;}@Overridepublic void onFailure(HttpException error, String msg) {}});return result ;}//-------------------以上的代碼 是 異步請求的， 以下的代碼是同步請求的-------------------------//
/*** Get同步請求 必須在異步塊兒中執行* @param url* @param userkey* @param str* @param sign* @return*/private String xutilsGetSync(String url , String userkey , String str , String sign ) {RequestParams params = new RequestParams();params.addQueryStringParameter("userkey", userkey );params.addQueryStringParameter("str", str );params.addQueryStringParameter("sign", sign );HttpUtils http = new HttpUtils() ;http.configCurrentHttpCacheExpiry(1000 * 10); //設置超時時間 try {ResponseStream responseStream = http.sendSync(HttpRequest.HttpMethod.GET,url , params ) ;//int statusCode = responseStream.getStatusCode();//Header[] headers = responseStream.getBaseResponse().getAllHeaders();return responseStream.readString();} catch (Exception e) {LogUtils.e(e.getMessage(), e);}return null;}/*** Post同步請求 必須在異步塊兒中執行* @param url* @param userkey* @param str* @param sign* @return*/private String xutilsPostSync(String url , String userkey , String str , String sign ) {RequestParams params = new RequestParams();params.addQueryStringParameter("userkey", userkey );params.addQueryStringParameter("str", str );params.addQueryStringParameter("sign", sign );HttpUtils http = new HttpUtils() ;http.configCurrentHttpCacheExpiry(1000 * 10); //設置超時時間 try {ResponseStream responseStream = http.sendSync(HttpRequest.HttpMethod.POST ,url , params ) ;//int statusCode = responseStream.getStatusCode();//Header[] headers = responseStream.getBaseResponse().getAllHeaders();return responseStream.readString();} catch (Exception e) {LogUtils.e(e.getMessage(), e);}return null;} }

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