springboot如何使用@ConfigurationProperties封装配置文件

使用@ConfigurationProperties封装配置文件

业务场景：

把配置文件的信息，读取并自动封装成实体类，可以使用@ConfigurationProperties，把同类的配置信息自动封装成实体类。

1、在pom.xml中添加依赖包

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-configuration-processor</artifactId>
			<optional>true</optional>
		</dependency>

2、创建配置文件（application.properties）

wx.appid = wx111111
wx.redirectUri = https://www.baidu.com/
wx.templateId = 1
wx.first = 模板标题
wx.remark = 模板备注
wx.color = #000000
sms.appid = 111111
sms.appkey = bd3bfba026f711eaac3b005056b84de4
sms.templateId = 1
sms.sign = Jeff

3、创建测试类1（WxSettings.java）

package com.jeff.config;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "wx")
public class WxSettings {
	private String appid;
	private String redirectUri;
	private Integer templateId;
	private String first;
	private String remark;
	private String color;
	public String getAppid() {
		return appid;
	}
	public void setAppid(String appid) {
		this.appid = appid;
	}
	public String getRedirectUri() {
		return redirectUri;
	}
	public void setRedirectUri(String redirectUri) {
		this.redirectUri = redirectUri;
	}
	public Integer getTemplateId() {
		return templateId;
	}
	public void setTemplateId(Integer templateId) {
		this.templateId = templateId;
	}
	public String getFirst() {
		return first;
	}
	public void setFirst(String first) {
		this.first = first;
	}
	public String getRemark() {
		return remark;
	}
	public void setRemark(String remark) {
		this.remark = remark;
	}
	public String getColor() {
		return color;
	}
	public void setColor(String color) {
		this.color = color;
	}
	@Override
	public String toString() {
		return "WxSettings [appid=" + appid + ", redirectUri=" + redirectUri + ", templateId=" + templateId + ", first="
				+ first + ", remark=" + remark + ", color=" + color + "]";
	}
}

4、创建测试类2（SmsSettings.java）

package com.jeff.config;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "sms")
public class SmsSettings {
	private String appid;
	private String appkey;
	private Integer templateId;
	private String sign;
	public String getAppid() {
		return appid;
	}
	public void setAppid(String appid) {
		this.appid = appid;
	}
	public String getAppkey() {
		return appkey;
	}
	public void setAppkey(String appkey) {
		this.appkey = appkey;
	}
	public Integer getTemplateId() {
		return templateId;
	}
	public void setTemplateId(Integer templateId) {
		this.templateId = templateId;
	}
	public String getSign() {
		return sign;
	}
	public void setSign(String sign) {
		this.sign = sign;
	}
	@Override
	public String toString() {
		return "SmsSettings [appid=" + appid + ", appkey=" + appkey + ", templateId=" + templateId + ", sign=" + sign
				+ "]";
	}
}

5、创建测试类（MyController.java）

package com.jeff.controller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.jeff.config.SmsSettings;
import com.jeff.config.WxSettings;
@RestController
public class MyController {
	@Autowired
	private WxSettings wx;
	@Autowired
	private SmsSettings sms;
	@RequestMapping("myTest")
	public String myTest() {
		System.out.println(wx.toString());
		System.out.println(sms.toString());
		return "success";
	}
}

6、打开浏览器访问 http://localhost:8080/myTest，控制台输出结果

以上为个人经验，希望能给大家一个参考，也希望大家多多支持我们。