Inventory_Page online IF(NOTISBLANK(Asset__c), '/apex/LostReportEditAsset?id=', '') button javascript 遗失报告画面 onClickJavaScript false var urlstr = '/apex/LostReportEditAsset?id={!LostReport__c.Id}'; if ('{!LostReport__c.Asset__c}' == '' || '{!LostReport__c.Asset__c}' == null) { urlstr = '/apex/LostReportEdit?id={!LostReport__c.Id}'; } window.location.href = urlstr;