public class Query { public static void main(String[] args) throws Exception { String param ="{\"com\":\"***\",\"num\":\"***\"}"; String customer ="***"; String key = "****"; String sign = MD5.encode(param+key+customer); HashMap params = new HashMap(); params.put("param",param); params.put("sign",sign); params.put("customer",customer); String resp; try { resp = new HttpRequest().postData("http://API网址", params, "utf-8").toString(); System.out.println(resp); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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