Spring Boot讀取配置的5種方式

info.address=usa

info.company=spring

info.degree=high

import org.springframework.beans.factory.annotation.value;

import org.springframework.stereotype.component;
@component
public class infoconfig1 ")
private string address;
@value("$")
private string company;
@value("$")
private string degree;
public string getaddress() 
public void setaddress(string address) 
public string getcompany() 
public void setcompany(string company) 
public string getdegree() 
public void setdegree(string degree) 
}

@component

@configurationproperties(prefix = "info")
public class infoconfig2 
public void setaddress(string address) 
public string getcompany() 
public void setcompany(string company) 
public string getdegree() 
public void setdegree(string degree) 
}

db.username=root

db.password=123456

@component

@propertysource(value = )
public class dbconfig1 ")
private string username;
@value("$")
private string password;
public string getusername() 
public void setusername(string username) 
public string getpassword() 
public void setpassword(string password) 
}

@component

@configurationproperties(prefix = "db")
@propertysource(value = )
public class dbconfig2 
public void setusername(string username) 
public string getpassword() 
public void setpassword(string password) 
}

@autowired

private environment env;
// 獲取引數
string getproperty(string key);

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