1 package com.hoje.springboot.bean;
  2 
  3 import org.springframework.beans.factory.annotation.Value;
  4 import org.springframework.boot.context.properties.ConfigurationProperties;
  5 import org.springframework.boot.context.properties.EnableConfigurationProperties;
  6 import org.springframework.stereotype.Component;
 
  7 import org.springframework.validation.annotation.Validated;
  8 
  9 import javax.validation.constraints.Email;
 10 import java.util.Date;
 11 import java.util.List;
 12 import java.util.Map;
 13 
 14 /**
 15  * 將配置文件中配置的每一個屬性的值，映射到這個組件中
 16  * @ConfigurationProperties :告訴SpringBOot將本類中的所有屬性和配置文件中相關配置進行綁定；
 
 17  * prefix = "person":配置文件中哪個下面的所有屬性進行一一映射
 18  *
 19  * 只有這個組件是容器中的組件，才能使用容器中的功能；
 20  */
 21 @Component
 22 @ConfigurationProperties(prefix="person")
 23 @Validated
 24 public class Person {
 25 
 26     /**
 27      *<bean class="Person">
 28      *     <property name="LastName" value="字面量/${key}從環境變量、配置文件中獲取值/#{SpEL}"></>
 
 29      * </>
 30      */
 31    /* @Value("${person.last-name}")*/
 32     @Email
 33      private String lastName;
 34    /* @Value("#{11*2}")*/
 35      private Integer age;
 36    /*  @Value("true")*/
 37      private Boolean boss;
 38      private Date bitrh;
 39      private Map<String,Object> maps;
 40      private List<Object>  lists;
 41      private Dog dog;
 42 
 43     @Override
 44     public String toString() {
 45         return "Person{" +
 46                 "lastName=‘" + lastName + ‘\‘‘ +
 47                 ", age=" + age +
 48                 ", boss=" + boss +
 49                 ", bitrh=" + bitrh +
 50                 ", maps=" + maps +
 51                 ", lists=" + lists +
 52                 ", dog=" + dog +
 53                 ‘}‘;
 54     }
 55 
 56     public String getLastName() {
 57         return lastName;
 58     }
 59 
 60     public void setLastName(String lastName) {
 61         this.lastName = lastName;
 62     }
 63 
 64     public Integer getAge() {
 65         return age;
 66     }
 67 
 68     public void setAge(Integer age) {
 69         this.age = age;
 70     }
 71 
 72     public Boolean getBoss() {
 73         return boss;
 74     }
 75 
 76     public void setBoss(Boolean boss) {
 77         this.boss = boss;
 78     }
 79 
 80     public Date getBitrh() {
 81         return bitrh;
 82     }
 83 
 84     public void setBitrh(Date bitrh) {
 85         this.bitrh = bitrh;
 86     }
 87 
 88     public Map<String, Object> getMaps() {
 89         return maps;
 90     }
 91 
 92     public void setMaps(Map<String, Object> maps) {
 93         this.maps = maps;
 94     }
 95 
 96     public List<Object> getLists() {
 97         return lists;
 98     }
 99 
100     public void setLists(List<Object> lists) {
101         this.lists = lists;
102     }
103 
104     public Dog getDog() {
105         return dog;
106     }
107 
108     public void setDog(Dog dog) {
109         this.dog = dog;
110     }
111 }

SpringBoot配置文件註入值數據校驗