Pull request #1628: 无JIRA任务 如果外部已经有jquery对象时则不expose

Merge in VISUAL/fineui from ~TELLER/fineui:bugfix to master

* commit '30fb4ddd69680c7d7d38ba2b1be91b562991f708':
  fix: 如果外部已经有jquery对象时则不expose

src/core/platform/web/jquery/_jquery.js

@@ -11003,7 +11003,9 @@
 // Expose jQuery and $ identifiers, even in
 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
 // and CommonJS for browser emulators (#13566)
+	if (!window.$ && !window.jQuery) {
 		window.jQuery = window.$ = jQuery;
+	}
 
 	BI.jQuery = BI.$ = jQuery;