目錄
常用與注入對象數據
1.加載座標
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
2.解決中文亂碼問題
在IDE的settings中設置文件編碼
3.使用@ConfigurationProperties
屬性用getter和setter,反射機制
package edu.xiao.controller;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.PropertySource;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@Controller
@ConfigurationProperties(prefix = "person")
public class QuickConfigurationAnnoController {
private String name;
private String address;
private Integer age;
@RequestMapping("/ConfigurationMethod")
public @ResponseBody String firstMethod(){
return "age:"+age+",name:"+name+",address: "+address;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
}
4.配置文件
推薦使用yml文件格式,在寫好屬性時有提示
I.application.properties
#服務器端口
server.port=8088
server.servlet.context-path=/demo
person.age = 18
person.name = 張三
person.address = 北京
效果展示
II.application.yml
寫好屬性時會有提示功能,但如果properties有該屬性的話,則會覆蓋
將properties文件中person屬性註釋後,在新建application.yml文件
person:
name: 李四
age: 22
address: 湖南
效果
如果還有中文亂碼問題
添加@PropertySource註解,把要讀取文件寫好,以及encoding