JAVA发送HttpClient请求及接收请求结果过程
1、写一个HttpRequestUtils工具类,包括post请求和get请求
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package com.brainlong.framework.util.httpclient; import net.sf.json.JSONObject; import org.apache.commons.httpclient.HttpStatus; import org.apache.http.HttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.util.EntityUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.net.URLDecoder; public class HttpRequestUtils { private static Logger logger = LoggerFactory.getLogger(HttpRequestUtils. class ); //日志记录 /** * httpPost * @param url 路径 * @param jsonParam 参数 * @return */ public static JSONObject httpPost(String url,JSONObject jsonParam){ return httpPost(url, jsonParam, false ); } /** * post请求 * @param url url地址 * @param jsonParam 参数 * @param noNeedResponse 不需要返回结果 * @return */ public static JSONObject httpPost(String url,JSONObject jsonParam, boolean noNeedResponse){ //post请求返回结果 DefaultHttpClient httpClient = new DefaultHttpClient(); JSONObject jsonResult = null ; HttpPost method = new HttpPost(url); try { if ( null != jsonParam) { //解决中文乱码问题 StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8" ); entity.setContentEncoding( "UTF-8" ); entity.setContentType( "application/json" ); method.setEntity(entity); } HttpResponse result = httpClient.execute(method); url = URLDecoder.decode(url, "UTF-8" ); /**请求发送成功,并得到响应**/ if (result.getStatusLine().getStatusCode() == 200 ) { String str = "" ; try { /**读取服务器返回过来的json字符串数据**/ str = EntityUtils.toString(result.getEntity()); if (noNeedResponse) { return null ; } /**把json字符串转换成json对象**/ jsonResult = JSONObject.fromObject(str); } catch (Exception e) { logger.error( "post请求提交失败:" + url, e); } } } catch (IOException e) { logger.error( "post请求提交失败:" + url, e); } return jsonResult; } /** * 发送get请求 * @param url 路径 * @return */ public static JSONObject httpGet(String url){ //get请求返回结果 JSONObject jsonResult = null ; try { DefaultHttpClient client = new DefaultHttpClient(); //发送get请求 HttpGet request = new HttpGet(url); HttpResponse response = client.execute(request); /**请求发送成功,并得到响应**/ if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { /**读取服务器返回过来的json字符串数据**/ String strResult = EntityUtils.toString(response.getEntity()); /**把json字符串转换成json对象**/ jsonResult = JSONObject.fromObject(strResult); url = URLDecoder.decode(url, "UTF-8" ); } else { logger.error( "get请求提交失败:" + url); } } catch (IOException e) { logger.error( "get请求提交失败:" + url, e); } return jsonResult; } } |
2、写业务代码发送Http请求
3、MVC配置文件设置Controller扫描目录
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<!-- 自动扫描且只扫描 @Controller --> <context:component-scan base- package = "com.wiselong.multichannel" use- default -filters= "false" > <context:include-filter type= "annotation" expression= "org.springframework.stereotype.Controller" /> </context:component-scan> |
4、接收Http请求
接收post请求
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@Controller @RequestMapping (value = "/api/platform/exceptioncenter/exceptioninfo" ) public class ExceptionInfoController { //注入 @Autowired private ExceptionInfoBiz exceptionInfoBiz; /** * 创建异常信息请求 * @param requestBody 请求消息内容 * @param request 请求消息头 * @return jsonObject */ @RequestMapping ( value= "/create" , method = RequestMethod.POST ) public ModelAndView createExceptionInfo( @RequestBody String requestBody, HttpServletRequest request) { JSONObject jsonObject = JSONObject.fromObject(requestBody); ComExceptionInfo comExceptionInfo = new ComExceptionInfo(); comExceptionInfo.setProjectName(jsonObject.getString( "projectName" )); comExceptionInfo.setTagName(jsonObject.getString( "tagName" )); exceptionInfoBiz.insert(comExceptionInfo); //返回请求结果 JSONObject result= new JSONObject(); result.put( "success" , "true" ); return new ModelAndView( "" , ResponseUtilsHelper.jsonSuccess(result.toString())); } } |
接收get请求
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@Controller @RequestMapping (value= "/api/platform/messagecenter/messages/sms" ) public class SmsController { @Autowired SmsSendBiz smsSendBiz; /** * 接收手机号码和内容往短信发送表插入一条记录 * @param requestbody 请求消息内容 * @param request 请求消息头 * @return jsonObject */ @RequestMapping ( value= "/send" , method= RequestMethod.GET ) public ModelAndView sendSms( @RequestBody String requestbody, HttpServletRequest request) { //获取请求URL及url后面传输的参数 String url = request.getRequestURL() + "?" + request.getQueryString(); url = BuildRequestUrl.decodeUrl(url); String telePhone = RequestUtils.getStringValue(request, "telePhone" ); String content = RequestUtils.getStringValue(request, "content" ); smsSendBiz.insertTtMsQuequ(telePhone,content); return new ModelAndView( "" , ResponseUtilsHelper.jsonResult( "" , true )); } } |