Fields的博客

生成六位数字验证码，仅供参考。public static String getAppCode() {int n = 6;StringBuilder code = new StringBuilder();Random ran = new Random();for (int i = 0; i code.append(Integer.valueOf(ran.nextInt(10)

方法1： 在dodoFilter中添加以下代码    HttpServletRequest req = (HttpServletRequest)request;    ServletContext sc = req.getSession().getServletContext();    XmlWebApplicationContext cxt = (XmlWebApplication...

两种冒泡排序，代码如下：package com.sinosoft.credit.util.web;public class TestSort {        public static void main(String[] args) {        Integer[] arr = new Integer[5];        arr[0] = 123;        ar...

拆分文件，将较大文件根据具体行数拆分，主要用于提取数据时，数据量大而在excel展示不成功。将其拆分为具体行数，然后分sheet展示public static void main(String[] args) {FileReader fr = null;BufferedReader bf = null;FileWriter fw = null;BufferedWriter bw = n...

使用地下几行即可：javax.sql.DataSource ds = SessionFactoryUtils.getDataSource(this.getSessionFactory());Connection connection = ds.getConnection();System.out.println(connection.getMetaData().getURL()+"\n"...