java servlet的包下载_javax.servlet.jar下载
javax.servlet jar是專(zhuān)為開(kāi)發(fā)者打造的一款java依融包,javax.servlet.jar包可以解決找不到j(luò)avax.servlet.*等問(wèn)題,如果在提示的時(shí)候提示不存,可以在本站下載然后放到指定的目錄后就可以正常使用了,需要此款jar包的朋友們歡迎前來(lái)下載使用。
常見(jiàn)問(wèn)題
編譯時(shí)錯(cuò)誤:軟件包 javax.servlet.http 不存在import javax.servlet.http.HttpServletRequest;
解決辦法:
1、 把servlet-api.jar加到classpath中,如
把%CATALINA_HOME%\lib;%CATALINA_HOME%\lib\servlet-api.jar;%CATALINA_HOME%\lib\jsp-api.jar 加到classpath變量的后面。
2、 把Tomcat目錄下的 tomcat\lib\servlet-api.jar 拷貝到 Java\jdk1.6.0_22\jre\lib\ext 目錄下。
3、 javac時(shí)把相關(guān)的類(lèi)沒(méi)有加到-classpath選項(xiàng)中去,如:
編譯時(shí)使用:javac -classpath ./test.jar TestJar.java
運(yùn)行時(shí)使用:java -cp .:./test.jar TestJar 才可以運(yùn)行。
請(qǐng)問(wèn)這里為什么javac使用-classpath,java使用-cp?難道classpath不等價(jià)于cp? 沒(méi)有區(qū)別,除了一個(gè)是縮寫(xiě),一個(gè)是全稱(chēng)之外,功能是一模一樣的。
包括:
javax.servlet.Filter
javax.servlet.Servlet
javax.servlet.FilterChain
javax.servlet.http.Cookie
javax.servlet.jsp.JspPage
javax.servlet.FilterConfig
javax.servlet.ServletConfig
javax.servlet.jsp.ErrorData
javax.servlet.jsp.JspWriter
javax.servlet.GenericServlet
javax.servlet.ServletContext
javax.servlet.ServletRequest
javax.servlet.http.HttpUtils
javax.servlet.jsp.JspContext
javax.servlet.jsp.JspFactory
javax.servlet.jsp.tagext.Tag
javax.servlet.ServletResponse
javax.servlet.jsp.HttpJspPage
javax.servlet.jsp.PageContext
javax.servlet.ServletException
javax.servlet.http.HttpServlet
javax.servlet.http.HttpSession
javax.servlet.jsp.JspException
javax.servlet.RequestDispatcher
javax.servlet.SingleThreadModel
javax.servlet.jsp.JspEngineInfo
javax.servlet.jsp.el.Expression
javax.servlet.jsp.tagext.JspTag
javax.servlet.ServletInputStream
javax.servlet.jsp.el.ELException
javax.servlet.jsp.tagext.BodyTag
javax.servlet.jsp.tagext.TagData
javax.servlet.jsp.tagext.TagInfo
javax.servlet.ServletContextEvent
javax.servlet.ServletOutputStream
javax.servlet.ServletRequestEvent
javax.servlet.http.NoBodyResponse
javax.servlet.jsp.JspTagException
javax.servlet.jsp.tagext.PageData
javax.servlet.UnavailableException
javax.servlet.jsp.tagext.SimpleTag
javax.servlet.ServletRequestWrapper
javax.servlet.http.HttpSessionEvent
javax.servlet.jsp.SkipPageException
javax.servlet.jsp.el.FunctionMapper
javax.servlet.jsp.tagext.TagAdapter
javax.servlet.jsp.tagext.TagSupport
javax.servlet.ServletContextListener
javax.servlet.ServletRequestListener
javax.servlet.ServletResponseWrapper
javax.servlet.jsp.tagext.BodyContent
javax.servlet.jsp.tagext.JspFragment
javax.servlet.jsp.tagext.TagFileInfo
javax.servlet.http.HttpServletRequest
javax.servlet.http.HttpSessionContext
javax.servlet.http.NoBodyOutputStream
javax.servlet.jsp.el.ELParseException
javax.servlet.jsp.el.VariableResolver
javax.servlet.jsp.tagext.FunctionInfo
javax.servlet.jsp.tagext.IterationTag
javax.servlet.jsp.tagext.TagExtraInfo
javax.servlet.jsp.tagext.VariableInfo
javax.servlet.http.HttpServletResponse
javax.servlet.http.HttpSessionListener
javax.servlet.jsp.tagext.BodyTagSupport
javax.servlet.jsp.tagext.TagLibraryInfo
javax.servlet.jsp.el.ExpressionEvaluator
javax.servlet.jsp.tagext.TagVariableInfo
javax.servlet.jsp.tagext.TryCatchFinally
javax.servlet.jsp.tagext.SimpleTagSupport
javax.servlet.jsp.tagext.TagAttributeInfo
javax.servlet.ServletContextAttributeEvent
javax.servlet.ServletRequestAttributeEvent
javax.servlet.http.HttpSessionBindingEvent
javax.servlet.jsp.tagext.DynamicAttributes
javax.servlet.jsp.tagext.ValidationMessage
javax.servlet.http.HttpServletRequestWrapper
javax.servlet.jsp.tagext.TagLibraryValidator
javax.servlet.ServletContextAttributeListener
javax.servlet.ServletRequestAttributeListener
javax.servlet.http.HttpServletResponseWrapper
javax.servlet.http.HttpSessionBindingListener
javax.servlet.http.HttpSessionAttributeListener
javax.servlet.http.HttpSessionActivationListener
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