springboot支持跨域浏览

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全局配置： 

@Configuration
public class MvcConfig implements WebMvcConfigurer {
	/**
	 * 支持跨域浏览
	 */
	@Override
	public void addCorsMappings(CorsRegistry registry) {	
		registry.addMapping("/**");
	}
	
}

局部配置：

    @CrossOrigin(origins = "http://localhost:8080")
    @RequestMapping(value = "/get")
    public ...