java http接口请求响应 request response

接口类：

 1 package org.sunshine.dcda.epg.wechat.controller.niao;
 2 
 3 import javax.servlet.http.HttpServletRequest;
 4 import org.springframework.stereotype.Controller;
 5 import org.springframework.web.bind.annotation.RequestMapping;
 6 import org.springframework.web.bind.annotation.RequestMethod;
 7 import org.springframework.web.bind.annotation.ResponseBody;
 8 import org.sunshine.dcda.basecomponent.json.JsonUtils;
 9 import org.sunshine.dcda.epg.wechat.common.vo.NiaodaifuVO;
10 import org.sunshine.dcda.epg.wechat.controller.base.BaseController;
11 
12 @Controller
13 public class NiaodaifuController extends BaseController {
14     
15     @ResponseBody
16     @RequestMapping(value="/urineTestData", produces="text/html;charset=UTF-8", method=RequestMethod.POST)
17     public String urineTestData(HttpServletRequest request) {
18         String data = getRequestStr(request);
19         NiaodaifuVO n = JsonUtils.fromJson(data, NiaodaifuVO.class);    //Json转对象
20         System.out.println("~~~~~~~~~~~~~~~~~");
21 //        //接收数据
22         System.out.println("2017年12月7日 10:58:13："+n.getCname()
23         +n.getRecord_id()+",userbind:"+n.getUserbind()
24         +",family_id:"+n.getFamily_id()+",mobile:"+n.getMobile()
25         +",---:"+n.getFamily_name()+",---:"+n.getNj_userid()
26         +",---status:"+n.getStatus()+",---:"+n.getSuggestion()
27         +",---:"+n.getCreated()+",---type:"+n.getType()
28         +",--*********data:"+n.getData());
29         System.out.println(n);
30         //Unicode转中文  
31 //        String chinese = convert(data);
32         System.out.println("!!!!~~~~~~~~~~~");
33         
34         return "二〇一七年十二月七日 10:58:34";
35     }
36     //Unicode转中文
37     public String convert(String utfString){  
38         StringBuilder sb = new StringBuilder();  
39         int i = -1;  
40         int pos = 0;  
41           
42         while((i=utfString.indexOf("\u", pos)) != -1){  
43             sb.append(utfString.substring(pos, i));  
44             if(i+5 < utfString.length()){  
45                 pos = i+6;  
46                 sb.append((char)Integer.parseInt(utfString.substring(i+2, i+6), 16));  
47             }  
48         }  
49           
50         return sb.toString();  
51     }
52     
53     @RequestMapping(value="/testNiao")
54     public String test(){
55         System.out.println("@@@@@@@@2017.12.07@@@@@@@@@@");
56         return "~~~~~~~~~~~~~2017-12-07~~~~~~~~~~";
57     }
58 }

接口调用传参测试类：

 1 package org.sunshine.dcda.epg.wechat.controller.niao;
 2 
 3 import java.io.IOException;
 4 
 5 import org.sunshine.dcda.basecomponent.http.utils.HttpUtils;
 6 import org.sunshine.dcda.basecomponent.json.JsonUtils;
 7 import org.sunshine.dcda.epg.wechat.common.vo.NiaodaifuVO;
 8 
 9 public class TestNiao {
10     public static void main(String[] args) {
11         NiaodaifuVO vo = new NiaodaifuVO();
12         vo.setCname("cnameQQQQQQQQ");
13         vo.setCreated(1);
14         System.out.println(JsonUtils.toJson(vo));
15         try {
16             System.out.println(HttpUtils.doPost("http://twx.aicares.net/urineTestData", JsonUtils.toJson(vo)));
17         } catch (IOException e) {
18             e.printStackTrace();
19         }
20     }
21 }

接口继承读取流工具类：

  1 package org.sunshine.dcda.epg.wechat.controller.base;
  2 
  3 import java.io.BufferedReader;
  4 import java.io.IOException;
  5 import java.io.InputStreamReader;
  6 import java.text.MessageFormat;
  7 
  8 import javax.annotation.Resource;
  9 import javax.servlet.http.HttpServletRequest;
 10 import javax.servlet.http.HttpServletResponse;
 11 
 12 import org.slf4j.Logger;
 13 import org.slf4j.LoggerFactory;
 14 import org.springframework.stereotype.Controller;
 15 import org.sunshine.dcda.aicare.service.model.CustomerVo;
 16 import org.sunshine.dcda.basecomponent.string.StringUtils;
 17 import org.sunshine.dcda.epg.wechat.common.enums.MetaCodeEnums;
 18 import org.sunshine.dcda.epg.wechat.common.exception.ServiceException;
 19 import org.sunshine.dcda.epg.wechat.common.utils.LocalMethodVisitUtils;
 20 import org.sunshine.dcda.epg.wechat.common.vo.InputVO;
 21 import org.sunshine.dcda.epg.wechat.common.vo.OutputVO;
 22 import org.sunshine.dcda.epg.wechat.service.cache.ICustomerCacheComponent;
 23 import org.sunshine.dcda.epg.wechat.service.cache.IPublicInfoCacheComponent;
 24 import org.sunshine.dcda.wechat.service.model.PublicInfoVo;
 25 
 26 @Controller
 27 public class BaseController {
 28 
 29     private final Logger logger = LoggerFactory.getLogger(BaseController.class);
 30     
 31     @Resource
 32     private IPublicInfoCacheComponent publicInfoCacheComponent;
 33     
 34     @Resource
 35     private ICustomerCacheComponent customerCacheComponent;
 36 
 37     public String getRequestStr(HttpServletRequest request) {
 38         StringBuilder str = new StringBuilder();
 39         BufferedReader bufferedReader = null;
 40         InputStreamReader inputStreamReader = null;
 41         try {
 42             inputStreamReader = new InputStreamReader(request.getInputStream(), "UTF-8");
 43             bufferedReader = new BufferedReader(inputStreamReader);
 44             String line = null;
 45             while ((line = bufferedReader.readLine()) != null) {
 46                 str.append(line);
 47             }
 48             logger.info("读取request文件流信息：" + str);
 49         } catch (Exception e) {
 50             logger.error("读取request文件流信息异常：" + e.getMessage());
 51         } finally {
 52             if (null != bufferedReader) {
 53                 try {
 54                     bufferedReader.close();
 55                 } catch (IOException e) {
 56                     logger.error(e.getMessage());
 57                 }
 58             }
 59             if (null != inputStreamReader) {
 60                 try {
 61                     inputStreamReader.close();
 62                 } catch (IOException e) {
 63                     logger.error(e.getMessage());
 64                 }
 65             }
 66         }
 67         return str.toString();
 68     }
 69     
 70     public void printResponse(HttpServletResponse response, String result) {
 71         try {
 72             logger.info("response.getWriter().print : " + result);
 73             response.getWriter().print(result);
 74         } catch (IOException e) {
 75             logger.error(e.getMessage());
 76         }
 77     }
 78     
 79     public void redirect500(HttpServletResponse response) {
 80         try {
 81             response.setContentType("text/html; charset=UTF-8");
 82             response.sendRedirect(LocalMethodVisitUtils.getAbsoluteUrl("/500"));
 83         } catch (IOException e) {
 84             logger.error(e.getMessage(), e);
 85         }
 86     }
 87     
 88     public void redirectPublicStop(HttpServletResponse response) {
 89         try {
 90             response.setContentType("text/html; charset=UTF-8");
 91             response.sendRedirect(LocalMethodVisitUtils.getAbsoluteUrl("/publicStop"));
 92         } catch (IOException e) {
 93             logger.error(e.getMessage(), e);
 94         }
 95     }
 96     
 97     public OutputVO checkParamRequired(InputVO inputVO, String... keys) throws ServiceException {
 98         OutputVO outputVO = new OutputVO();
 99         if (null == inputVO || StringUtils.isEmpty(inputVO.getCid()) || StringUtils.isEmpty(inputVO.getPa())) {
100             logger.error("非法访问，customerId or publicAccount is null. inputVO = {}", inputVO.toString());
101             throw new ServiceException(MetaCodeEnums.ERR_PARAM.getKey(), "parameter error, customerId or publicAccount is null");
102         }
103         
104         String publicAccount = inputVO.getPa();
105         String customerId = inputVO.getCid();
106         
107         PublicInfoVo publicInfoVo = null;
108         try {
109             publicInfoVo = publicInfoCacheComponent.queryByPublicAccount(publicAccount);
110         } catch (Exception e) {
111             logger.error(e.getMessage(), e);
112             publicInfoVo = null;
113         }
114         if (null == publicInfoVo) {
115             logger.error("非法访问，publicInfoVo is not exists, publicAccount = {}", publicAccount);
116             throw new ServiceException(MetaCodeEnums.ERR_PARAM.getKey(), "parameter error, publicInfoVo is not exists.");
117         }
118         
119         CustomerVo customerVo = null;
120         try {
121             customerVo = customerCacheComponent.queryByCustomerId(customerId);
122         } catch (Exception e) {
123             logger.error(e.getMessage(), e);
124             customerVo = null;
125         }
126         if(null == customerVo) {
127             logger.error("非法访问，customerVo is not exists, customerId = {}", customerId);
128             throw new ServiceException(MetaCodeEnums.ERR_PARAM.getKey(), "parameter error, customerVo is not exists.");
129         }
130         
131         if (null != keys && keys.length > 0) {
132             for (String key : keys) {
133                 if (null == inputVO.getJsonElement(key)) {
134                     logger.error("checkRequiredParam, reqId = {}, parameter param.{} is null", key);
135                     throw new ServiceException(MetaCodeEnums.ERR_PARAM.getKey(), MessageFormat.format(MetaCodeEnums.ERR_PARAM.getValue(), "parameter param." + key + " is null"));
136                 }
137             }
138         }
139         return outputVO;
140     }
141 }

------------------------------------------------------------分割线-----------------------------------------------------------------------------

回调接收数据：HttpServletRequest request

x-www-form-urlencoded格式接收方式

 1 /**
 2      * 动态遍历获取所有收到的参数,此步非常关键,因为收银宝以后可能会加字段,动态获取可以兼容由于收银宝加字段而引起的签名异常
 3      * @param request
 4      * @return
 5      */
 6     private TreeMap<String, String> getParams(HttpServletRequest request){
 7         TreeMap<String, String> map = new TreeMap<String, String>();
 8         Map reqMap = request.getParameterMap();
 9         for(Object key : reqMap.keySet()){
10             String value = ((String[])reqMap.get(key))[0];
11             map.put(key.toString(),value);
12         }
13         return map;
14     }
15 //上下两种方法都OK
16     protected HashMap<String, String> getRequestData(HttpServletRequest request){
17         HashMap<String, String> notifMaps = new HashMap<>();
18 
19         Map<String, String[]> parameterMap = request.getParameterMap();
20         Set<Map.Entry<String, String[]>> entries = parameterMap.entrySet();
21         Iterator<Map.Entry<String, String[]>> iterator = entries.iterator();
22         while (iterator.hasNext()) {
23             Map.Entry<String, String[]> next = iterator.next();
24             notifMaps.put(next.getKey(), next.getValue()[0]);
25         }
26         return notifMaps;
27     }

json格式接收方式

 1 /**流读取http请求内容*/
 2     public static String getHttpRequest(HttpServletRequest request) {
 3         String body = "";
 4         try {
 5             ServletInputStream inputStream = request.getInputStream();
 6             BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, "utf-8"));
 7             while (true) {
 8                 String info = br.readLine();
 9                 if (info == null) {
10                     break;
11                 }
12                 if (body == null || "".equals(body)) {
13                     body = info;
14                 } else {
15                     body += info;
16                 }
17             }
18         } catch (UnsupportedEncodingException e) {
19             e.printStackTrace();
20         } catch (IOException e) {
21             e.printStackTrace();
22         }
23         return body;
24     }

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原文地址：https://www.cnblogs.com/shenjiangwei/p/8000891.html