在jsp页面顶上面定义
<%
String path &#61; request.getContextPath();
String basePath &#61; request.getScheme() &#43; "://"&#43; request.getServerName() &#43; ":" &#43; request.getServerPort()&#43; path &#43; "/";
%>
然后Javascript里面获取
获取的url例如&#xff1a;
request.getScheme() &#61; "http"
request.getServerName() &#61; "localhost"
request.getServerPort() &#61; "8080"
request.getContextPath() &#61; "wms-web-enterprise"
baseUrl &#61; "http://localhost:8080/wms-web-enterprise/"