whoami的博客

创建porperties文件driver=com.mysql.jdbc.Driverurl=jdbc:mysql://localhost:3306/user?useUnicode=true&characterEncoding=UTF-8username=rootpassword=123456initialSize=10maxActive=20minIdle=5maxWait=3000数据库连接、关闭、事务（开启、提交、回滚）工具类package com.whoami.s.

package com.whoami.JDBC;import java.text.ParseException;import java.text.SimpleDateFormat;public class DateUtils { private static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); // 1.字符串转换为util.Date public static java.util.Dat

先创建一个properties文件driver = com.mysql.jdbc.Driverurl = jdbc:mysql://localhost:3306/xxxxusername = rootpassword = xxxx创建一个类public class DBUtils{ private static final Properties PROPERTIES = new Properties();//存储配置文件的map static { InputStream is .

导入依赖 <!-- Quartz任务调度依赖 --> <dependencies> <dependency> <groupId>org.quartz-scheduler</groupId> <artifactId>quartz</artifactId> <version>2.2.3</version&g.

SpringMVC请求参数接收方法方法一//http://xxxx/param/test?id=1&name=whoami @RequestMapping("/test") public String test(Integer id,String name){ System.out.println("param"); System.out.println("id:"+id+" name:"+name); return "hell

解决自动装配歧义性我们先创建一个接口；public interface UserService { void add();}在创建两个实现类和测试类实现类@Componentpublic class UserServiceNormal implements UserService { @Override public void add() { ...