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                # JSP 帶參數的`include`指令 > 原文: [https://beginnersbook.com/2013/12/jsp-include-directive-with-parameters-example/](https://beginnersbook.com/2013/12/jsp-include-directive-with-parameters-example/) 在上一個教程中,我們討論了 [JSP `include`參數](https://beginnersbook.com/2013/12/jsp-include-with-parameter-example/)的動作。這里我們將看到在使用 [JSP `include`指令](https://beginnersbook.com/2013/11/jsp-include-directive/)時如何傳遞參數。 ## 例 在這個例子中,我們將三個字符串參數傳遞給包含的 JSP 頁面。 `index.jsp` ```html <html> <head> <title>Passing Parameters to Include directive</title> </head> <body> <%@ include file="file1.jsp" %> <%! String country="India"; String state="UP"; String city="Agra"; %> <% session.setAttribute("co", country); session.setAttribute("st", state); session.setAttribute("ci", city); %> </body> </html> ``` 上面,我使用[聲明標簽](https://beginnersbook.com/2013/11/jsp-declaration-tag/)初始化字符串, [scriptlet](https://beginnersbook.com/2013/05/jsp-tutorial-scriptlets/) 用于在[`session`對象](https://beginnersbook.com/2013/11/jsp-implicit-object-session-with-examples/)中設置它們。由于 sciptlet 的使用被忽視了長背,或者你可以使用[`<c:set>` JSTL 標簽](https://beginnersbook.com/2013/11/jstl-cset-core-tag/)做同樣的事 - 代碼就像這樣: ```html <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <c:set var="co" value="India" scope="session"/> <c:set var="st" value="UP" scope="session"/> <c:set var="ci" value="Agra" scope="session"/> <%@ include file="file1.jsp" %> ``` `file1.jsp` ```html <%=session.getAttribute("co") %> <%=session.getAttribute("st") %> <%=session.getAttribute("ci") %> ``` 輸出: ![include-directive-param](https://img.kancloud.cn/bc/3e/bc3e90f8419e0ccd4d3868c39a2b5fd5_469x162.jpg) 在上面的例子中,我使用`session`隱式對象傳遞了參數,但是您也可以使用請求,頁面和`application`隱式對象傳遞它們。
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