短信验证码接口API介绍
package com.gc.sms.util;import java.util.Map;import emp.tool.json.JSONException;import emp.tool.json.JSONObject;public class JsonUtil {public static String toJson(Map<String,Object> paramsMap) {JSONObject json = new JSONObject();try {for (String key : paramsMap.keySet()) {json.put(key, paramsMap.get(key));}return json.toString();}catch(JSONException e) {e.printStackTrace();throw new RuntimeException("转换json时出现错误", e.getCause());}}}?