随意写点

??? /** 记录日志信息 */
??? private static final Logger logger = Logger.getLogger(AccTabService.class);

?

??? /**
??? ?* 用户信息更改比较
??? ?*
??? ?* @param o1
??? ?*??????????? new
??? ?* @param o2
??? ?*??????????? old
??? ?* @return 值相同true,不同false
??? ?*/
??? private boolean compareBaseAttribute(UBaseUserDO o1, UBaseUserDO o2) {
??? ??? for (int i = 0; i < baseModifyAttributeFields.length; i++) {
??? ??? ??? String attribute = baseModifyAttributeFields[i];
??? ??? ??? Object value1 = BeanUtil.getProperty(o1, attribute);
??? ??? ??? Object value2 = BeanUtil.getProperty(o2, attribute);
??? ??? ??? if ("".equals(value1)) {
??? ??? ??? ??? value1 = null;
??? ??? ??? }
??? ??? ??? if ("".equals(value2)) {
??? ??? ??? ??? value2 = null;
??? ??? ??? }
??? ??? ??? if (value1 == null || value2 == null) {
??? ??? ??? ??? if (value2 != null) {
??? ??? ??? ??? ??? return false;
??? ??? ??? ??? }
??? ??? ??? ??? if (value1 != null) {
??? ??? ??? ??? ??? return false;
??? ??? ??? ??? }
??? ??? ??? ??? if (value2 == null && value1 == null)
??? ??? ??? ??? ??? continue;
??? ??? ??? }
??? ??? ??? if (!value1.equals(value2)) {
??? ??? ??? ??? return false;
??? ??? ??? }
??? ??? }
??? ??? return true;
??? }

//大整数右边自动补零问题BigDecimal aa = new BigDecimal(0.02/0.5); DecimalFormat df=new DecimalFormat("0.0000"); System.out.println(df.format(aa));1.设置Cookie1Cookie cookie = new Cookie("key", "value");2cookie.setMaxAge(60); //设置60秒生存期，如果设置为负值的话，则为浏览器进程Cookie（内存中保存），关闭浏览器就失效。3cookie.setPath("/test/test2"); //设置Cookie路径，不设置的话为当前路径（对于Servlet来说为request.getContextPath() + web.xml里配置的该Servlet的url-pattern路径部分）4response.addCookie(cookie);2.读取Cookie11//该方法可以读取当前路径以及“直接父路径”的所有Cookie对象，如果没有任何Cookie的话，则返回null22Cookie[] cookies = request.getCookies();3.删除Cookie1Cookie cookie = new Cookie("key", null);2cookie.setMaxAge(0); //设置为0为立即删除该Cookie3cookie.setPath("/test/test2"); //删除指定路径上的Cookie，不设置该路径，默认为删除当前路径Cookie4response.addCookie(cookie);