eclipse引入httpServlet源碼

1. 展開Apache Tomcat v7.0[Apache Tomcat v7.0] -> servlet-api.jar
2. 找到 -> http -> HttpServlet
3. 右鍵 servlet-api.jar -> properties -> Java Source Attachment -> 找到下載好的源碼路徑

源碼地址

參考:

• http://blog.csdn.net/u013823429/article/details/66982245
• https://www.zhihu.com/question/35812310/answer/64578510