common-httpclient

冷不防 2022-06-04 08:27 119阅读 0赞

Post请求：

import org.apache.commons.httpclient.HttpClient;
    import org.apache.commons.httpclient.NameValuePair;
    import org.apache.commons.httpclient.methods.PostMethod;
    
    
     // http请求
        public static Result Post(String path, Map<String, String> param){
            String url = "http://127.0.0.1:9191" + path;
            HttpClient httpClient = new HttpClient();
            httpClient.getParams().setContentCharset("UTF-8");
            PostMethod postMethod = new PostMethod(url);
            Map<String, String> headerMap = new HashMap<>();
            headerMap.put("Host", "****");
            headerMap.put("Accept-Encoding", "gzip");
            headerMap.put("charset", "utf-8");
            for (Map.Entry<String, String> entry : headerMap.entrySet()) {
                postMethod.addRequestHeader(entry.getKey(), entry.getValue());
            }
            List<NameValuePair> pList =  new ArrayList<>();
            for(Map.Entry<String, String> entry: param.entrySet()){
                pList.add(new NameValuePair(entry.getKey(), entry.getValue()));
            }
            NameValuePair[] parts = new NameValuePair[pList.size()];
            for(int i = 0; i < pList.size(); i++){
                parts[i] = pList.get(i);
            }
    //        MultipartRequestEntity entity = new MultipartRequestEntity(parts, postMethod.getParams());
            postMethod.setRequestBody(parts);
            try{
                int result = httpClient.executeMethod(postMethod);
                if (result == 200) {
                    /** 发送成功，并获取返回字符串 */
                    ByteArrayOutputStream out = new ByteArrayOutputStream();
                    InputStream in = postMethod.getResponseBodyAsStream();
                    InputStreamReader isr = new InputStreamReader(in);
                    BufferedReader br = new BufferedReader(isr);//为输入流添加缓冲
                    String content = "";
                    String info = "";
                    while ((info = br.readLine()) != null) {
                        content = content + info;
                    }
                    postMethod.releaseConnection();
                    Result res =  new Gson().fromJson(content, Result.class);
                    return res;
                } else {
                    String msg = "请求数说读者的GO服务失败, url: " + url + ",resCode: " +result;
                    LogDefine.LOG.error(msg);
                    return new Result<String>(null, false, msg, null);
                }
            }catch (Exception e){
                String msg = "请求数说读者的GO服务失败, url: " + url;
                LogDefine.LOG.error(msg, e);
                return new Result<String>(null, false, msg, null);
            }
        }

common-httpclient

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