我试图创建一个全局帮助器类,该类将轻松访问我的方法(例如Global.OnShowSuccess(...,...)
,但是在包含服务时会出现问题。
这是我尝试过的:
import { ToastrService } from "ngx-toastr";
export abstract class Global {
private static _toastr: ToastrService;
constructor(private toastr: ToastrService) {
Global._toastr = this.toastr;
}
public static OnShowError(header: string, message: string) {
Global._toastr.error(message, header);
}
public static OnShowSuccess(header: string, message: string) {
Global._toastr.success(message, header);
}
}
Global._toastr
是undefined
。我该如何解决?