13518219792
如何在springboot2.x中实现oauth2授权码登陆？很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
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@Override
public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
clients.inMemory()
.withClient(ClientID)
.secret(passwordEncoder.encode(ClientSecret))
.authorizedGrantTypes("authorization_code", "refresh_token",
"password", "implicit")
.scopes("read","write","del","userinfo")
.redirectUris(RedirectURLs);
}
四 接到code
授权之后，系统会重定向到你的redirect_uri这个页面，并带上唯一的code
五 获取access_token
我们拿着code就要再去授权服务器去获取token了，你可以在你的代码里写这个，也可以手动拿着code，去拼成一个url，再去拿token，就像这下面的实例。
注意向oauth/token发的是post请求，client_id和client_secret如果在url上传递，如果在AuthorizationServerConfig类的configure方法中开启allowFormAuthenticationForClients，代码如下
@Override
public void configure(AuthorizationServerSecurityConfigurer oauthServer) throws Exception {
oauthServer.tokenKeyAccess("permitAll()")
.checkTokenAccess("isAuthenticated()")
.allowFormAuthenticationForClients();//支持把secret和clientid写在url上，否则需要在头上
}然后请求后给有下面的响应
Authorization Ccode------RFRLFY
access_token_url http://localhost:8081/oauth/token?client_id=android1&code=RFRLFY&grant_type=authorization_code&redirect_uri=http://localhost:8081/callback&client_secret=android1
Access Token Response ---------{"access_token":"faadf3bf-6488-4036-bc3b-21b0a979602c","token_type":"bearer","refresh_token":"1b01f133-c5ab-419f-8125-088c85916ecb","expires_in":43187,"scope":"read"}回调页面代码，主要实现了对code的获取，对access_token的组织，然后请求时把access_token带上，这个方法一般会做成公用的过滤器
@Controller
public class UserController {
@RequestMapping(value = "/callback", method = RequestMethod.GET)
public ResponseEntity callback(@RequestParam("code") String code) throws JsonProcessingException, IOException {
ResponseEntity response = null;
System.out.println("Authorization Ccode------" + code);
RestTemplate restTemplate = new RestTemplate();
String access_token_url = "http://localhost:8081/oauth/token";
access_token_url += "?client_id=android1&code=" + code;
access_token_url += "&grant_type=authorization_code";
access_token_url += "&redirect_uri=http://localhost:8081/callback";
access_token_url += "&client_secret=android1";
System.out.println("access_token_url " + access_token_url);
response = restTemplate.exchange(access_token_url, HttpMethod.POST, null, String.class);
ObjectMapper mapper = new ObjectMapper();
JsonNode node = mapper.readTree(response.getBody());
String token = node.path("access_token").asText(); System.out.println("access_token" +access_token);
String url = "http://localhost:8081/index"; HttpHeaders headers1 = new HttpHeaders(); headers1.add("Authorization", "Bearer " + token); HttpEntity entity = new HttpEntity<>(headers1); ResponseEntity result = restTemplate.exchange(url, HttpMethod.GET, entity, String.class); return result; } 看完上述内容是否对您有帮助呢？如果还想对相关知识有进一步的了解或阅读更多相关文章，请关注创新互联行业资讯频道，感谢您对创新互联的支持。
