tian5753的博客

链接地址

https://blog.youkuaiyun.com/huplion/article/details/72770381

加密

StringBuffer的用法

Object val = obj.get(key); String type= val.getClass().toString();  

map.put("name", "lisi"); ObjectMapper mapper= new ObjectMapper(); String str = mapper.writeValueAsString(map); JSONObject obj = JSONObject.fromObject(str);  

public static void main(String[] args) throws Exception { File file = new File("C:\\Users\\0\\Desktop\\test图片\\11.jpg"); File result = new File("C:\\Users\\0\\Desktop\\test\\11.jpg"); //判断文件...

Pattern和Matcher详解（字符串匹配和字节码） （转http://blog.youkuaiyun.com/u010700335/article/details/44616451）

SpringMVC框架中的ModelAndView public ModelAndView testHello5(ModelAndView mv){         mv.setViewName("data");//data.jsp 默认在WEB-INF下面         mv.addObject("age", 19);         return mv;     public Mode...

bytes=new Byte[1024]: 缓冲器的作用原理

public class TomcatListen implements ServletContextListener{ @Override public void contextInitialized(ServletContextEvent sce) { // TODO Auto-generated method stub System.out.println("Tomcat...