具体的内容如下:
1.java后台给指定接口发送json数据
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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | package com.utils; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import net.sf.json.JSONObject; public class testOne { ``public static void main(String[] args) { ``JSONObject jsobj1 = ``new JSONObject(); ``JSONObject jsobj2 = ``new JSONObject(); ``jsobj2.put(``"deviceID"``, ``"112"``); ``jsobj2.put(``"channel"``, ``"channel"``); ``jsobj2.put(``"state"``, ``"0"``); ``jsobj1.put(``"item"``, jsobj2); ``jsobj1.put(``"requestCommand"``, ``"control"``); ``post(jsobj1,``"http://192.168.3.4:8080/HSDC/test/authentication"``); ``} ``public static String post(JSONObject json,String path) { ``String result=``""``; ``try { ``HttpClient client=``new DefaultHttpClient(); ``HttpPost post=``new HttpPost(url); ``post.setHeader(``"Content-Type"``, ``"appliction/json"``); ``post.addHeader(``"Authorization"``, ``"Basic YWRtaW46"``); ``StringEntity s=``new StringEntity(json.toString(), ``"utf-8"``); ``s.setContentEncoding(``new BasicHeader(HTTP.CONTENT_TYPE, ``"appliction/json"``)); ``post.setEntity(s); ``HttpResponse httpResponse=client.execute(post); ``InputStream in=httpResponse.getEntity().getContent(); ``BufferedReader br=``new BufferedReader(``new InputStreamReader(in, ``"utf-8"``)); ``StringBuilder strber=``new StringBuilder(); ``String line=``null``; ``while ((line=br.readLine())!=``null``) { ``strber.append(line+``"\n"``); ``} ``in.close(); ``result=strber.toString(); ``if``(httpResponse.getStatusLine().getStatusCode()!=HttpStatus.SC_OK){ ``result=``"服务器异常"``; ``} ``} ``catch (Exception e) { ``System.out.println(``"请求异常"``); ``throw new RuntimeException(e); ``} ``System.out.println(``"result=="``+result); ``return result; ``} } |
2.java后台接收json数据
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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | package com.controller; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.util.HashMap; import java.util.Map; import org.springframework.http.MediaType; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RestController; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; @RestController @RequestMapping``(``"test"``) public class TestConttroller{ ``@Resource ``protected HttpServletRequest request; ``@RequestMapping``(value=``"authentication"``,produces = MediaType.APPLICATION_JSON_VALUE,method = RequestMethod.POST) ``public Map<String,Object> getString() ``throws UnsupportedEncodingException, IOException{ ``System.out.println(``"进入====================="``); ``//后台接收 ``InputStreamReader reader=``new InputStreamReader(request.getInputStream(),``"UTF-8"``); ``char [] buff=``new char``[``1024``]; ``int length=``0``; ``while``((length=reader.read(buff))!=-``1``){ ``String x=``new String(buff,``0``,length); ``System.out.println(x); ``} ``//响应 ``Map<String,Object> jsonObject = ``new HashMap<String, Object>(); ``//创建Json对象 ``jsonObject.put(``"username"``, ``"张三"``); ``//设置Json对象的属性 ``jsonObject.put(``"password"``, ``"123456"``); ``return jsonObject; ``} } |
运行testOne之后将json数据发送到authentication接口，接收的数据如图：
testOne中main方法返回的数据如图：
原文链接: https://blog.csdn.net/cuiqwei/article/details/118548582