尝试使用spring rest客户端创建Keycloak用户

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
    <groupId>org.keycloak</groupId>
    <artifactId>keycloak-spring-boot-starter</artifactId>
</dependency>

keycloak.auth-server-url=http://localhost:8080/auth
keycloak.realm=myrealm
keycloak.resource=myclient
keycloak.credentials.secret=myclientsecret

import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

public class KeycloakUserCreator {
    public static void main(String[] args) {
        // 创建RestTemplate对象
        RestTemplate restTemplate = new RestTemplate();

        // 设置请求头
        HttpHeaders headers = new HttpHeaders();
        headers.setContentType(MediaType.APPLICATION_JSON);
        headers.setBearerAuth("access_token"); // 替换为有效的访问令牌

        // 设置请求体
        String requestBody = "{\"username\": \"john\", \"email\": \"john@example.com\", \"enabled\": true}";

        // 创建HttpEntity对象
        HttpEntity<String> entity = new HttpEntity<>(requestBody, headers);

        // 发送POST请求
        ResponseEntity<String> response = restTemplate.exchange(
                "http://localhost:8080/auth/admin/realms/myrealm/users",
                HttpMethod.POST,
                entity,
                String.class
        );

        // 处理响应
        if (response.getStatusCode().is2xxSuccessful()) {
            System.out.println("User created successfully");
        } else {
            System.out.println("Failed to create user");
        }
    }
}