eclipse引入httpServlet源码 eclipse引入httpServlet源码 展开Apache Tomcat v7.0[Apache Tomcat v7.0] -> servlet-api.jar 找到 -> http -> HttpServlet 右键 servlet-api.jar -> properties -> Java Source Attachment -> 找到下载好的源码路径 源码地址 参考: http://blog.csdn.net/u013823429/article/details/66982245 https://www.zhihu.com/question/35812310/answer/64578510