使用spring和jdbc模板事务实现 1.创建实体类: Role package com.wbg.sjt.entity; public class Role { private int id; private String roleName; private String note; @Override public String toString() { return "Role{" + "id=" + id + ", roleName='"…
泛型的使用保证返回的对象类型的正确: package com.stono.gentest; import java.util.ArrayList; import java.util.List; public class StoryTeller { public static void main(String[] args) { List<Minstrel> story = StoryTemplate.getStory("select", new StoryI<Mins…