在做项目时，总是会碰到一下配置信息，配置信息的加载及注入看起来很不爽，代码看起来比较冗余不优雅。废话不多说上之前的代码：
application.yml 配置文件如下：
--- # 开发者账号相关信息 app: key: 1015796659 secret: sandbox18d65256d7b325121d7d6b150 geteway_url: https://gw.api.tbsandbox.com/router/rest authorize_url: https://oauth.tbsandbox.com/authorize access_token_url: https://oauth.tbsandbox.com/token callback_url: http://test.m-glory.net/qnh-txd-item/callback
对于业务层代码如下：
@Slf4j
@RestController
@RequestMapping("/callback")
public class CallbackController {
@Autowired
AuthService authService;
@Value("${app.key}")
private String APP_KEY;
@Value("${app.secret}")
private String APP_SECRET;
@Value("${app.access_token_url}")
private String AUTH_ACCESS_TOKEN_URL;
@Value("${app.geteway_url}")
private String AUTH_GETEWAY_URL;
@Value("${app.callback_url}")
private String CALLBACK_URL;
@GetMapping(value = "/authorize", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public String authorize(@RequestParam("code") String code, @RequestParam("state") String state) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
log.info("【授权回调】code: {}, state: {}", code, state);
String signMethod = "md5";
Map<String, String> props = new HashMap<String, String>();
props.put("method", "taobao.top.auth.token.create");
props.put("format", "json");
props.put("code", code);
props.put("app_key", APP_KEY);
props.put("timestamp", sdf.format(new Date()));
props.put("v", "2.0");
props.put("sign_method", signMethod);
String s = "{}";
try {
String sign = TaobaoSignUtil.signTopRequest(props, APP_SECRET, signMethod);
props.put("sign", sign);
s = WebUtils.doPost(AUTH_GETEWAY_URL, props, 30000, 30000);
System.out.println(s);
} catch (IOException e) {
e.printStackTrace();
}
return s;
}
}
最近这段时间公司在转型微服务，乘工作之余学习 Spring Cloud 时，发现 Spring Cloud 使用集中化实体类的方式并借助 @ConfigurationProperties 注解来实现将多个属性读取并自动封装成实体类（参见：EurekaClientConfigBean）来管理和使用，这种方式个人感觉更优雅，不废话，上修改后的代码：
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
/**
* 应用程序配置bean
*/
@Data
@Component
@ConfigurationProperties("app")
public class ApplicationConfigBean {
/**
* App Key
*/
private String key;
/**
* App Secret
*/
private String secret;
/**
* 公共网关接口地址
*/
private String getewayUrl;
/**
* 回调接口地址
*/
private String callbackUrl;
/**
* 获取授权code 接口地址
*/
private String authorizeUrl;
/**
* 通过 code 换区 access token 接口地址
*/
private String accessTokenUrl;
}
import com.taobao.api.internal.util.WebUtils;
import lombok.extern.slf4j.Slf4j;
import net.techfuser.qnhtxditem.auth.service.AuthService;
import net.techfuser.qnhtxditem.config.ApplicationConfigBean;
import net.techfuser.qnhtxditem.util.TaobaoSignUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
@Slf4j
@RestController
@RequestMapping("/callback")
public class CallbackController {
@Autowired
AuthService authService;
@Autowired
ApplicationConfigBean appConfig;
@GetMapping(value = "/authorize", produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
public String authorize(@RequestParam("code") String code, @RequestParam("state") String state) {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
log.info("【授权回调】code: {}, state: {}", code, state);
String signMethod = "md5";
Map<String, String> props = new HashMap<String, String>();
props.put("method", "taobao.top.auth.token.create");
props.put("format", "json");
props.put("code", code);
props.put("app_key", appConfig.getKey());
props.put("timestamp", sdf.format(new Date()));
props.put("v", "2.0");
props.put("sign_method", signMethod);
String s = "{}";
try {
String sign = TaobaoSignUtil.signTopRequest(props, appConfig.getSecret(), signMethod);
props.put("sign", sign);
s = WebUtils.doPost(appConfig.getGetewayUrl(), props, 30000, 30000);
System.out.println(s);
} catch (IOException e) {
e.printStackTrace();
}
return s;
}
}
