Eclipse中出現The type javax.servlet.http.HttpServletRequest cannot be resolved.問題

The type javax.servlet.http.HttpServletRequest cannot be resolved. It is indirectly referenced from required .class files 問題原因：項目中缺少jar包：servlet-api.jar 解決方法有兩種 解決辦法： 方法1：把 servlet-api.jar 添加到項目中（該jar

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