jsp的作用域范圍有幾種？Name scope application is valid in all applications session is valid in the current ses

jsp的作用域范圍有幾種？

Name scope application is valid in all applications session is valid in the current session request is valid in the current request page is valid in the current page

JSP九個(gè)內(nèi)置對(duì)象，其作用域是對(duì)象上的應(yīng)用程序。九種類(lèi)型的內(nèi)置請(qǐng)求對(duì)象javax.servlet.servlet請(qǐng)求作用域請(qǐng)求響應(yīng)對(duì)象類(lèi)型javax.servlet.SrvletResponse作用域頁(yè)上下文頁(yè)上下文對(duì)象類(lèi)型javax.servlet.jsp. pagecontext作用域頁(yè)會(huì)話對(duì)象類(lèi)型javax.servlet.http. httpsession scopesession應(yīng)用程序?qū)ο箢?lèi)型javax.servlet.ServletContext范圍應(yīng)用程序輸出對(duì)象類(lèi)型javax.servlet.jsp. jspwriter作用域頁(yè)配置對(duì)象類(lèi)型javax.servlet.ServletConfig作用域頁(yè)對(duì)象類(lèi)型javax.lang.Object對(duì)象作用域頁(yè)異常對(duì)象類(lèi)型javax.lang.Throwable可丟棄范圍頁(yè)