файлы конфигурации

src/main/java/org/dbms/configuration/JDBCConection.java

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+package org.dbms.configuration;
+
+import java.sql.Connection;
+import java.sql.SQLException;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+@Configuration
+public class JDBCConection {
+
+	@Bean
+	public Connection getConnection(JdbcTemplate jdbcTemplate) {
+		Connection connection = null;
+		try {
+			connection = jdbcTemplate.getDataSource().getConnection();
+		} catch (SQLException e) {
+			e.printStackTrace();
+		}
+		return connection;
+	}
+}

src/main/java/org/dbms/configuration/WebConfiguration.java

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+package org.dbms.configuration;
+
+import org.springframework.boot.web.server.ErrorPage;
+import org.springframework.boot.web.server.WebServerFactoryCustomizer;
+import org.springframework.boot.web.servlet.server.ConfigurableServletWebServerFactory;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+class WebConfiguration implements WebMvcConfigurer {
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**").allowedMethods("*");
+    }
+}
+