我要评论springboot项目获取统一前缀配置以及获取非确定名称配置
在springboot项目中，我们经常看到统一前缀的配置，我们该怎么统一获取
my.config.a.name=xiaoming
my.config.a.age=18
my.config.a.address=guangdongmy.config.b.name=xiaomli
my.config.b.age=20
my.config.b.address=shandong
方式一：使用对应的配置类并结合注解：@configurationproperties(prefix = “xxx.xxx”)
配置文件：
my.config.name=xiaoming my.config.age=18 my.config.address=guangdong
对应的配置类：myproperties
import lombok.getter;
import lombok.setter;
import org.springframework.boot.context.properties.configurationproperties;
import org.springframework.stereotype.component;
/**
* @author gooluke
*/
@component
@configurationproperties(prefix = "my.config")
@getter
@setter
public class myproperties {
private string name;
private int age;
private string address;
}获取配置类，打印属性：
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.web.bind.annotation.requestmapping;
import org.springframework.web.bind.annotation.restcontroller;
@restcontroller
@requestmapping("/test")
public class testcontroller {
@autowired
private myproperties myproperties;
@requestmapping("/show")
public void show() {
system.out.println("myproperties.getname() = " + myproperties.getname());
system.out.println("myproperties.getage() = " + myproperties.getage());
system.out.println("myproperties.getaddress() = " + myproperties.getaddress());
}
}打印结果：
方式二：获取统一前缀，而后面非确定字段名的配置
配置文件：
my.config.a.name=xiaoming my.config.a.age=18 my.config.a.address=guangdong my.config.b.name=xiaomli my.config.b.age=20 my.config.b.address=shandong
对应的配置类：
import lombok.getter;
import lombok.setter;
import org.springframework.boot.context.properties.configurationproperties;
import org.springframework.stereotype.component;
import java.util.map;
/**
* @author gooluke
*/
@component
@configurationproperties(prefix = "my")
@getter
@setter
public class myproperties2 {
//这里的config得对应上my.config.xx里的config
private map<string, userinfoconfig> config;
@setter
@getter
public static class userinfoconfig {
private string name;
private integer age;
private string address;
}
}获取配置类，打印属性：
@autowired
private myproperties2 myproperties2;
@requestmapping("/show2")
public void show2() {
map<string, myproperties2.userinfoconfig> config = myproperties2.getconfig();
config.foreach((user, userinfoconfig) -> {
system.out.println("user = " + user);
system.out.println("userinfoconfig.getname() = " + userinfoconfig.getname());
system.out.println("userinfoconfig.getage() = " + userinfoconfig.getage());
system.out.println("userinfoconfig.getaddress() = " + userinfoconfig.getaddress());
});
}打印结果：
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