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最新推荐文章于 2024-08-07 14:45:38 发布

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最新推荐文章于 2024-08-07 14:45:38 发布

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文章标签：前端

本文链接：https://blog.youkuaiyun.com/weixin_52765552/article/details/136656001

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本文介绍了如何在Java中通过`sendGetFaceURL`方法发送GET请求，包括参数传递、URL构建、身份验证以及处理返回的JSON数据。

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/**
     * 
     * @param url 地址
     * @param param  参数
     * @param username  认证用户
     * @param password  密码
     * @param type  json
     * @param httpServletResponse  
     * @throws IOException
     */ 
public static void sendGetFaceURL(String url, String param, String username, String password, String type, HttpServletResponse httpServletResponse) throws IOException {
        BufferedReader in = null;
        try {
             //认证
            String wwwAuth = sendGetOrPost(url, param, "get");       // 发起一次授权请求
            if (wwwAuth.startsWith("WWW-Authenticate:")) {
                wwwAuth = wwwAuth.replaceFirst("WWW-Authenticate:", "");
            }
            nc++;
            String urlNameString = url + (StringUtils.isNotEmpty(param) ? "?" + param : "");

            //请求
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            HttpURLConnection connection = (HttpURLConnection) realUrl.openConnection();
            // 设置通用的请求属性
            nection.setRequestProperty("accept", "application/json;charset=UTF-8");
            connection.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            // connection.connect();
            // 流写入
            InputStream inputStream = connection.getInputStream();
            writeFile(httpServletResponse, inputStream);
        } catch (Exception e) {
            nc = 0;
            throw new RuntimeException(e);
        } finally {
            try {
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
    }