浅谈java反射和自定义注解的综合应用实例

package com.dao.chu.po;   public class Customer {    private int id;   @IsRequired   private String name; // 姓名   @IsRequired   private String idnum; // 身份证号码   @IsRequired   private String phone; // 手机号   private String sex; // 性别   private int age; // 年龄   private String address; // 地址    @Override   public String toString() {     return "Customer [id=" + id + ", name=" + name + ", idnum=" + idnum         + ", phone=" + phone + ", sex=" + sex + ", age=" + age         + ", address=" + address + "]";   }    public int getId() {     return id;   }    public void setId(int id) {     this.id = id;   }    public String getName() {     return name;   }    public void setName(String name) {     this.name = name;   }    public String getIdnum() {     return idnum;   }    public void setIdnum(String idnum) {     this.idnum = idnum;   }    public String getPhone() {     return phone;   }    public void setPhone(String phone) {     this.phone = phone;   }    public String getSex() {     return sex;   }    public void setSex(String sex) {     this.sex = sex;   }    public int getAge() {     return age;   }    public void setAge(int age) {     this.age = age;   }    public String getAddress() {     return address;   }    public void setAddress(String address) {     this.address = address;   }    }