javax.servlet.http.HttpServletRequest在哪个夹包中

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javax.servlet.http.HttpServletRequest在哪个夹包中

tomcat目录下，lib文件夹中就有那两个包，servlet-api.jar和jsp-api.jar

导这两个jar包：jsp-api 、servlet-api
开发JSP需要两个包：javax.servlet和javax.servlet.http；把jsp-api 、servlet-api 放到项目中的 web-inf/lib 目录下即可

javax.servlet.http.HttpServletRequest是javax.servlet.http下的一个类，要像用它，必须要继承javax.servlet和javax.servlet.http两个包，把jsp-api ,servlet-api放到项目中的web-inf/lib目录下即可

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javax.servlet.http.HttpServletRequest在哪个夹包中
javax.servlet.http.HttpServletRequest
javax.servlet.http.HttpServletRequest
无法访问 javax.servlet.http.HttpServletRequest
import javax.servlet.http.HttpServletRequest;
没有javax.servlet.http.HttpServletRequest
javax.servlet.http.HttpServletRequest的属性
javax.servlet.http.HttpServletRequest cannot be resolved
javax.servlet.http.HttpServletRequest cannot be resolved
java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest
不存在 import javax.servlet.http.HttpServletRequest;
idea javax.servlet.http.HttpServletRequest; 不存在
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javax.servlet.http.HttpServletRequest.isAsyncStarted()Z
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import javax.servlet.ServletInputStream; import javax.servlet.http.HttpServletRequest; import javax.
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import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;报错
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