数据格式的转换，例如将数组的形式转化为字符串的格式，将字符串传到页面。-Data format conversion, for example in the form of an array converted to the format string, the string passed to the page.

转json格式,裁剪只转字符串的一些函数归类- JSON format, the only string to cut some of the function classification

timer定时转json串并上传很少使用的一句话可以概括功能的(Timer timed to JSON string and upload timer, timed to JSON string and upload)

public static Map<String, Object> ObjectToMapUtil(Object obj){ Map<String,Object> reMap = new HashMap<String,Object>(); Field[] fields = obj.getClass().getDeclaredFields(); for(int i = 0; i < fields.length;