springboot webapi 支持跨域 CORS

1.创建corsConfig 配置文件

@Configuration
public class corsConfig {
    @Autowired
    varModel varModel_;
    @Bean
    public WebMvcConfigurer corsConfigurer() {
        return new WebMvcConfigurer() {
            @Override
            //重写父类提供的跨域请求处理的接口
            public void addCorsMappings(CorsRegistry registry) {
                //添加映射路径
                registry.addMapping("/**")
                        .allowedHeaders("*")
                        .allowedMethods("*")
                        .allowedOrigins(varModel_.getCorsStrList());
            }
        };
    }
}//end

2.varModel中的跨域设置

3.前端页面ajax请求 页面域名,http://localhost:8001

$.ajax({
            type: "POST",
            url: "http://localhost:8000/a/b",
            contentType: "application/json; charset=utf-8", 
            dataType: "json",
            data: JSON.stringify({
                "requestId": ""
            }),
            success: function (d) {
                console.log(d);
            },
            error: function () {
                //alert("系统错误");
            }
        });

4.参考链接

跨域设置:

https://spring.io/guides/gs/rest-service-cors/

http://www.spring4all.com/article/177

https://www.jianshu.com/p/55643abe7a18

支持CORS跨域浏览器列表:

https://caniuse.com/#feat=cors

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转载自www.cnblogs.com/hcfan/p/10126146.html
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