js 跨域访问
错误log ：
XMLHttpRequest cannot load ![]()
http://192.168.17.131:8080/wm/topology/links/json. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://127.0.0.1' is therefore not allowed access.
最简单的解决办法是：
在chrome中添加插件：
