S-JIS[2007-06-17/2009-11-28]

JSP��

Expression Language��󂵂����BJSP2.0��瓱��ꂽ�B

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<sample:tag attribute="${bean.value}" />

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${�I�u�W�F�N�g.�v��p�e�B�[} [/2009-11-28]
${�I�u�W�F�N�g[�v��p�e�B�[]} [2009-11-28]
${�X�R�[�v.�v��p�e�B�[} [2009-11-28]
${��Z}

Sun��EL Expression
TECHSCORE��EL��JSP

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${array[0]}

�u${obj.name}�v�́u${obj["name"]}�v��邢�́u${obj['name']}�v�Ɠ��B
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${�X�R�[�v.�v��p�e�B�[}

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${requestScope.form.value}

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pageScope	�y�[�W�X�R�[�v	`${pageScope.name}`	`<%= pageContext.getAttribute("name") %>`
requestScope	��N�G�X�g�X�R�[�v�i��N�G�X�g�A�g��r��[�g�j	`${requestScope.name}`	`<%= request.getAttribute("name") %>`
sessionScope	�Z�b�V��X�R�[�v	`${sessionScope.name}`	`<%= session.getAttribute("name") %>`
applicationScope	�A�v��P�[�V��X�R�[�v	`${applicationScope.name}`	`<%= application.getAttribute("name") %>`
pageContext	PageContext	�@	�@
param	��N�G�X�g�p��[�^�[�iURI�̃N�G��[��j	`${param.name}`	`<%= request.getParameter("name") %>`
paramValues	��N�G�X�g�p��[�^�[�i�z��Ŏ擾�j	`${paramValues.name[0]}`	`<%= request.getParameterValues("name")[0] %>`
header	��N�G�X�g�w�b�_�[	`${header["user-agent"]}`	`<%= request.getHeader("user-agent") %>`
headerValues	��N�G�X�g�w�b�_�[�i�z��Ŏ擾�j	`${headerValues["user-agent"][0]}`	�@
cookie	�N�b�L�[	`${cookie.key.name} ${cookie.key.value}`	`<% for (Cookie c : request.getCookies()) { if ("key".equals(c.getName())) { out.println(c.getName()); out.print(c.getValue()); break; } } %>`
initParam	web.xml�Ɏw�肳��Ă��鏉��p��[�^�[ <web-app �`> �` <context-param> <param-name>name</param-name> <param-value>value</param-value> </context-param> �` </web-app>	`${initParam.name}`	`<%= pageContext.getServletContext() .getInitParameter("name") %>`

${��Z}

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<test:tag attribute="${value < 100}" />
<test:tag attribute="${value lt 100}" />

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`! not empty`	�@	`${empty bean.name}`
`* / div % mod`	�@	�@
`+ -`	�@	�@
`< > lt gt <= >= le ge`	�@	�@
`== eq != ne`	�@	�@
`&& and`	�@	�@
`\|\| or`	�@	�@
`?:`	�O��Z�q	�@

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