but only one is allowed(重复处理跨域请求)
Access to XMLHttpRequest at 'http://192.168.0.144:8762/ctginms_main2019/api/traceRoute/getMapData' from origin 'http://localhost:8080' has been blocked by CORS policy: The 'Access-Control-Allow-Origin
·
Access to XMLHttpRequest at 'http://192.168.0.144:8762/ctginms_main2019/api/traceRoute/getMapData' from origin 'http://localhost:8080' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple values 'http://localhost:8080, http://localhost:8080', but only one is allowed.
具体错误如下
后台接口可以接收到前台的请求,并且响应,但是前台收不到响应
前台 vue 后台 jHipster
用postman和swagger可以正常获取数据
错误产生原因:在zuul和及jHipster 中都处理了跨域请求,所以导致重复
解决方法:干掉jHipster中的处理跨域请求的代码即可
下面代码就是jHipster 中处理跨域请求的,注释掉即可
@Bean
public CorsFilter corsFilter() {
UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
CorsConfiguration config = jHipsterProperties.getCors();
if (config.getAllowedOrigins() != null && !config.getAllowedOrigins().isEmpty()) {
log.debug("Registering CORS filter");
source.registerCorsConfiguration("/api/**", config);
source.registerCorsConfiguration("/v2/api-docs", config);
}
return new CorsFilter(source);
}
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