利用Spring Social輕松搞定微信授權(quán)登錄的方法示例

<dependency>
  <groupId>com.ikasoa</groupId>
  <artifactId>spring-social-wechat</artifactId>
  <version>1.3.1</version>
</dependency>

compile 'com.ikasoa:spring-social-wechat:1.3.1'

spring:
 social:
  wechatmp:
   app-id: [appID]
   app-secret: [appsecret]

spring.social.wechatmp.app-id=[appID]
spring.social.wechatmp.app-secret=[appsecret]

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Import;
import org.springframework.social.config.annotation.EnableSocial;
import org.springframework.social.wechat.autoconfigurer.WechatMpAutoConfiguration;

@SpringBootApplication
@EnableSocial
@Import(WechatMpAutoConfiguration.class)
public class Application {

  public static void main(String[] args) throws Exception {
    SpringApplication.run(Application.class, args);
  }

}

import org.springframework.social.connect.Connection;
import org.springframework.social.connect.ConnectionKey;
import org.springframework.social.connect.web.SignInAdapter;
import org.springframework.social.wechat.api.User;
import org.springframework.social.wechat.api.Wechat;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.NativeWebRequest;

@Component
public class WechatSignInAdapter implements SignInAdapter {

  @Override
  public String signIn(String openId, Connection<?> connection, NativeWebRequest request) {
    ConnectionKey key = connection.getKey();
    // 通過providerId判斷是否為微信公眾平臺(tái)授權(quán)
    if ("wechatmp".equalsIgnoreCase(key.getProviderId())) {
      // 通過微信openId獲取到用戶詳細(xì)信息
      User user = ((Wechat)connection.getApi()).userOperations().getUserProfile(openId);
      // 微信用戶詳細(xì)信息,可以記錄到數(shù)據(jù)庫(kù).這里直接打印到后臺(tái)
      System.out.println(user);
      return “/success.htm”; // 返回登錄成功后跳轉(zhuǎn)的url
    }
    return “/error.htm”;
  }

}

......
@Bean
public ProviderSignInController providerSignInController(ConnectionFactoryLocator connectionFactoryLocator, UsersConnectionRepository usersConnectionRepository, WechatSignInAdapter wechatSignInAdapter) {
  ((InMemoryUsersConnectionRepository) usersConnectionRepository).setConnectionSignUp((Connection<?> connection) -> connection.getKey().getProviderUserId());
  return new ProviderSignInController(connectionFactoryLocator, usersConnectionRepository, wechatSignInAdapter);
}
......

......
<form action="/signin/wechatmp" method="POST">
  <button type="submit">微信授權(quán)登錄</button>
</form>
......