java 构建GET请求地址

张家强全栈

于 2021-11-01 11:01:05 发布

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文章标签： java 开发语言后端

本文链接：https://blog.youkuaiyun.com/zhangjiaqianghh/article/details/121076277

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private String getUrlWithParams(String url, Map<String, Object> params) {
       boolean first = true;
       StringBuilder sb = new StringBuilder(url);
       for (String key : params.keySet()) {
           char ch = '&';
           if (first == true) {
               ch = '?';
               first = false;
           }
           String value = params.get(key).toString();
           try {
               String sval = URLEncoder.encode(value, "UTF-8");
               sb.append(ch).append(key).append("=").append(sval);
           } catch (UnsupportedEncodingException e) {
           }
       }
       return sb.toString();
   }