{"id":598,"date":"2023-04-04T15:34:38","date_gmt":"2023-03-23T10:28:28","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/index.php\/2023\/11\/30\/jstl-%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab%e3%80%81jstl-%e3%82%bf%e3%82%b0%e3%81%ae%e4%be%8b\/"},"modified":"2025-08-01T00:56:37","modified_gmt":"2025-07-31T15:56:37","slug":"jstl-%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab%e3%80%81jstl-%e3%82%bf%e3%82%b0%e3%81%ae%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/jstl-%e3%83%81%e3%83%a5%e3%83%bc%e3%83%88%e3%83%aa%e3%82%a2%e3%83%ab%e3%80%81jstl-%e3%82%bf%e3%82%b0%e3%81%ae%e4%be%8b\/","title":{"rendered":"JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3001JSTL \u30bf\u30b0\u306e\u4f8b"},"content":{"rendered":"

JSTL\u306fJSP\u6a19\u6e96\u30bf\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7565\u3067\u3059\u3002JSTL\u306f\u3001JSP\u30da\u30fc\u30b8\u306e\u632f\u308b\u821e\u3044\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u30bf\u30b0\u3092\u63d0\u4f9b\u3059\u308b\u6a19\u6e96\u30bf\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002JSTL\u30bf\u30b0\u306f\u3001\u7e70\u308a\u8fd4\u3057\u3084\u5236\u5fa1\u6587\u3001\u56fd\u969b\u5316\u3001SQL\u306a\u3069\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306eJSTL\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001JSTL\u30bf\u30b0\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002\u4ee5\u524d\u3001JSP EL\u3084JSP\u30a2\u30af\u30b7\u30e7\u30f3\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066JSP\u30b3\u30fc\u30c9\u3092HTML\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u65b9\u6cd5\u3092\u898b\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u6a5f\u80fd\u306f\u975e\u5e38\u306b\u9650\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001EL\u3084\u30a2\u30af\u30b7\u30e7\u30f3\u8981\u7d20\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u306f\u3067\u304d\u305a\u3001HTML\u30bf\u30b0\u3092\u30c6\u30ad\u30b9\u30c8\u3068\u3057\u3066\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u306b\u8868\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u3053\u3067JSTL\u30bf\u30b0\u304c\u5f79\u7acb\u3064\u306e\u306f\u3001JSTL\u30bf\u30b0\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3055\u3089\u306b\u591a\u304f\u306e\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n

JSTL\u3092\u65e5\u672c\u8a9e\u3067\u8a00\u3044\u63db\u3048\u308b\u3068\u3001\u300cJSP\u6a19\u6e96\u30bf\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u300d\u3068\u306a\u308a\u307e\u3059\u3002<\/h2>\n

JSTL\u306fJava EE API\u306e\u4e00\u90e8\u3067\u3042\u308a\u3001\u307b\u3068\u3093\u3069\u306e\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\u30b3\u30f3\u30c6\u30ca\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001JSP\u30da\u30fc\u30b8\u3067JSTL\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u30b5\u30fc\u30d6\u30ec\u30c3\u30c8\u30b3\u30f3\u30c6\u30ca\u7528\u306eJSTL\u306eJAR\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u307b\u3068\u3093\u3069\u306e\u5834\u5408\u3001\u30b5\u30fc\u30d0\u30fc\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u306e\u4f8b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304b\u3089\u305d\u308c\u3089\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a6\u30a7\u30d6\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306eWEB-INF\/lib\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

JSTL\u306ejar\u30d5\u30a1\u30a4\u30eb<\/h3>\n

JSTL\u306eJAR\u30d5\u30a1\u30a4\u30eb\u306f\u30b3\u30f3\u30c6\u30ca\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070Tomcat\u306b\u304a\u3044\u3066\u306f\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d3\u30eb\u30c9\u30d1\u30b9\u306bjstl.jar\u3068standard.jar\u306eJAR\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u30b3\u30f3\u30c6\u30ca\u306elib\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u3053\u308c\u3089\u306e\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3082\u3057\u3082Maven\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092pom.xml\u30d5\u30a1\u30a4\u30eb\u306b\u8ffd\u52a0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3051\u308c\u3070\u3001JSP\u30da\u30fc\u30b8\u3067\u4ee5\u4e0b\u306e\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\uff1aeclipse Can not find the tag library descriptor for “https:\/\/java.sun.com\/jsp\/jstl\/core”\u3002<\/p>\n

<dependency>\r\n\t<groupId>jstl<\/groupId>\r\n\t<artifactId>jstl<\/artifactId>\r\n\t<version>1.2<\/version>\r\n<\/dependency>\r\n<dependency>\r\n\t<groupId>taglibs<\/groupId>\r\n\t<artifactId>standard<\/artifactId>\r\n\t<version>1.1.2<\/version>\r\n<\/dependency>\r\n<\/code><\/pre>\n
JSTL \u30bf\u30b0<\/h3>\n
JSTL\u306e\u95a2\u6570\u306f\u30015\u3064\u306e\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n
    \n
  1. \n
      JSTL\u30b3\u30a2\u30bf\u30b0\uff1aJSTL\u30b3\u30a2\u30bf\u30b0\u306f\u3001\u53cd\u5fa9\u3001\u6761\u4ef6\u4ed8\u304d\u30ed\u30b8\u30c3\u30af\u3001\u4f8b\u5916\u306e\u30ad\u30e3\u30c3\u30c1\u3001URL\u3001\u30ec\u30b9\u30dd\u30f3\u30b9\u306e\u8ee2\u9001\u307e\u305f\u306f\u30ea\u30c0\u30a4\u30ec\u30af\u30c8\u306a\u3069\u306e\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002JSTL\u30b3\u30a2\u30bf\u30b0\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306bJSP\u30da\u30fc\u30b8\u306b\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/ol>\n<\/li>\n<\/ol>\n
       <\/p>\n
        \n
      1. \n
          <%@ taglib uri=”https:\/\/java.sun.com\/jsp\/jstl\/core” prefix=”c” %><\/ol>\n<\/li>\n<\/ol>\n
          \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u91cd\u8981\u306aJSTL\u30b3\u30a2\u30bf\u30b0\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n
          JSTL\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3068\u30ed\u30fc\u30ab\u30e9\u30a4\u30bc\u30fc\u30b7\u30e7\u30f3\u30bf\u30b0\uff1aJSTL\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u30bf\u30b0\u306f\u3001\u6570\u5b57\u3001\u65e5\u4ed8\u3001\u304a\u3088\u3073\u30ed\u30b1\u30fc\u30eb\u3068\u30ea\u30bd\u30fc\u30b9\u30d0\u30f3\u30c9\u30eb\u3092\u4ecb\u3057\u305fi18n\u30b5\u30dd\u30fc\u30c8\u306e\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306eJSTL\u30bf\u30b0\u3092JSP\u306b\u542b\u3081\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a
          \n<%@ taglib uri=”https:\/\/java.sun.com\/jsp\/jstl\/fmt” prefix=”fmt” %><\/p>\n
          JSTL SQL\u30bf\u30b0\uff1aJSTL SQL\u30bf\u30b0\u306f\u3001Oracle\u3001MySQL\u306a\u3069\u306e\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u5bfe\u8a71\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002JSTL SQL\u30bf\u30b0\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306eJSTL\u30bf\u30b0\u3092JSP\u306b\u542b\u3081\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u69cb\u6587\u3092\u4f7f\u7528\u3057\u307e\u3059\uff1a
          \n<%@ taglib uri=”https:\/\/java.sun.com\/jsp\/jstl\/sql” prefix=”sql” %><\/p>\n
          JSTL XML\u30bf\u30b0\uff1aJSTL XML\u30bf\u30b0\u306f\u3001XML\u6587\u66f8\u306e\u89e3\u6790\u3001XML\u30c7\u30fc\u30bf\u306e\u5909\u63db\u3001XPath\u5f0f\u306e\u8a55\u4fa1\u306a\u3069\u3001XML\u6587\u66f8\u306e\u64cd\u4f5c\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002JSP\u30da\u30fc\u30b8\u306bJSTL XML\u30bf\u30b0\u3092\u542b\u3081\u308b\u305f\u3081\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a
          \n<%@ taglib uri=”https:\/\/java.sun.com\/jsp\/jstl\/xml” prefix=”x” %><\/p>\n
          JSTL\u95a2\u6570\u30bf\u30b0\uff1aJSTL\u30bf\u30b0\u306b\u306f\u3001\u6587\u5b57\u5217\u306e\u9023\u7d50\u3001\u6587\u5b57\u5217\u306e\u5206\u5272\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u64cd\u4f5c\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u308b\u591a\u304f\u306e\u95a2\u6570\u304c\u3042\u308a\u307e\u3059\u3002JSP\u30da\u30fc\u30b8\u306bJSTL\u95a2\u6570\u3092\u542b\u3081\u308b\u305f\u3081\u306e\u69cb\u6587\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\uff1a
          \n<%@ taglib uri=”https:\/\/java.sun.com\/jsp\/jstl\/functions” prefix=”fn” %><\/p>\n
          \u3059\u3079\u3066\u306eJSTL\u306e\u6a19\u6e96\u30bf\u30b0URI\u306f\u3001https:\/\/java.sun.com\/jsp\/jstl\/\u304b\u3089\u59cb\u307e\u308a\u307e\u3059\u3002\u4efb\u610f\u306e\u63a5\u982d\u8f9e\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u304c\u3001\u6df7\u4e71\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u306f\u4e0a\u8a18\u3067\u5b9a\u7fa9\u3055\u308c\u305f\u63a5\u982d\u8f9e\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u6700\u5584\u3067\u3059\u3002\u8ab0\u3082\u304c\u305d\u308c\u3092\u4f7f\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u6df7\u4e71\u306f\u751f\u3058\u307e\u305b\u3093\u3002<\/p>\n
          \u4ee5\u4e0b\u306e\u5185\u5bb9\u3092\u65e5\u672c\u8a9e\u3067\u81ea\u7136\u306b\u8a00\u3044\u63db\u3048\u3066\u304f\u3060\u3055\u3044\u30021\u3064\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u69cb\u3044\u307e\u305b\u3093\u3002<\/h3>\n
          JSTL\u30b3\u30a2\u30bf\u30b0<\/p>\n
          \u4ee5\u4e0b\u306e\u8868\u306b\u306f\u3001JSTL Core\u30bf\u30b0\u304c\u4e00\u89a7\u8868\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n
          \n
          \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
          JSTL Core Tag<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
          <c:out><\/td>\nTo write something in JSP page, we can use EL also with this tag<\/td>\n<\/tr>\n
          <c:import><\/td>\nSame as jsp:include<\/a> or include directive<\/td>\n<\/tr>\n
          <c:redirect><\/td>\nredirect request to another resource<\/td>\n<\/tr>\n
          <c:set><\/td>\nTo set the variable value in given scope.<\/td>\n<\/tr>\n
          <c:remove><\/td>\nTo remove the variable from given scope<\/td>\n<\/tr>\n
          <c:catch><\/td>\nTo catch the exception and wrap it into an object.<\/td>\n<\/tr>\n
          <c:if><\/td>\nSimple conditional logic, used with EL and we can use it to process the exception from <c:catch><\/td>\n<\/tr>\n
          <c:choose><\/td>\nSimple conditional tag that establishes a context for mutually exclusive conditional operations, marked by <c:when> and <c:otherwise><\/td>\n<\/tr>\n
          <c:when><\/td>\nSubtag of <c:choose> that includes its body if its condition evalutes to \u2018true\u2019.<\/td>\n<\/tr>\n
          <c:otherwise><\/td>\nSubtag of <c:choose> that includes its body if its condition evalutes to \u2018false\u2019.<\/td>\n<\/tr>\n
          <c:forEach><\/td>\nfor iteration over a collection<\/td>\n<\/tr>\n
          <c:forTokens><\/td>\nfor iteration over tokens separated by a delimiter.<\/td>\n<\/tr>\n
          <c:param><\/td>\nused with <c:import> to pass parameters<\/td>\n<\/tr>\n
          <c:url><\/td>\nto create a URL with optional query string parameters<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
          JSTL\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb<\/h3>\n
          \u7c21\u5358\u306aWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067JSTL\u30b3\u30a2\u30bf\u30b0\u306e\u4f7f\u7528\u65b9\u6cd5\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u306fJava Bean\u304c\u542b\u307e\u308c\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30ea\u30b9\u30c8\u3092\u4f5c\u6210\u3057\u3001JSP\u3067\u4f7f\u7528\u3055\u308c\u308b\u5c5e\u6027\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002JSP\u30da\u30fc\u30b8\u3067\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u53cd\u5fa9\u51e6\u7406\u65b9\u6cd5\u3084EL\u3092\u4f7f\u7528\u3057\u305f\u6761\u4ef6\u4ed8\u304d\u30ed\u30b8\u30c3\u30af\u3001\u305d\u306e\u4ed6\u4e00\u822c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n
          JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb – Java \u30d3\u30fc\u30f3\u30af\u30e9\u30b9<\/h3>\n
          package com.scdev.model;\r\n\r\npublic class Employee {\r\n\r\n\tprivate int id;\r\n\tprivate String name;\r\n\tprivate String role;\r\n\tpublic Employee() {\r\n\t}\r\n\tpublic int getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(int id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\tpublic void setName(String name) {\r\n\t\tthis.name = name;\r\n\t}\r\n\tpublic String getRole() {\r\n\t\treturn role;\r\n\t}\r\n\tpublic void setRole(String role) {\r\n\t\tthis.role = role;\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
          JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb – Servlet \u30af\u30e9\u30b9<\/h3>\n
          package com.scdev.servlet;\r\n\r\nimport java.io.IOException;\r\nimport java.util.ArrayList;\r\nimport java.util.List;\r\n\r\nimport javax.servlet.RequestDispatcher;\r\nimport javax.servlet.ServletException;\r\nimport javax.servlet.annotation.WebServlet;\r\nimport javax.servlet.http.HttpServlet;\r\nimport javax.servlet.http.HttpServletRequest;\r\nimport javax.servlet.http.HttpServletResponse;\r\n\r\nimport com.scdev.model.Employee;\r\n\r\n@WebServlet(\"\/HomeServlet\")\r\npublic class HomeServlet extends HttpServlet {\r\n\tprivate static final long serialVersionUID = 1L;\r\n       \r\n\tprotected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {\r\n\t\tList<Employee> empList = new ArrayList<Employee>();\r\n\t\tEmployee emp1 = new Employee();\r\n\t\temp1.setId(1); emp1.setName(\"Pankaj\");emp1.setRole(\"Developer\");\r\n\t\tEmployee emp2 = new Employee();\r\n\t\temp2.setId(2); emp2.setName(\"Meghna\");emp2.setRole(\"Manager\");\r\n\t\tempList.add(emp1);empList.add(emp2);\r\n\t\trequest.setAttribute(\"empList\", empList);\r\n\t\t\r\n\t\trequest.setAttribute(\"htmlTagData\", \"<br\/> creates a new line.\");\r\n\t\trequest.setAttribute(\"url\", \"https:\/\/www.scdev.com\");\r\n\t\tRequestDispatcher rd = getServletContext().getRequestDispatcher(\"\/home.jsp\");\r\n\t\trd.forward(request, response);\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
          JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb – JSP \u30da\u30fc\u30b8<\/h3>\n
          \u30db\u30fc\u30e0.jsp\u306e\u30b3\u30fc\u30c9\uff1a<\/p>\n
          <%@ page language=\"java\" contentType=\"text\/html; charset=US-ASCII\"\r\n    pageEncoding=\"US-ASCII\"%>\r\n<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"https:\/\/www.w3.org\/TR\/html4\/loose.dtd\">\r\n<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=US-ASCII\">\r\n<title>Home Page<\/title>\r\n<%@ taglib uri=\"https:\/\/java.sun.com\/jsp\/jstl\/core\" prefix=\"c\" %>\r\n<style>\r\ntable,th,td\r\n{\r\nborder:1px solid black;\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n<%-- Using JSTL forEach and out to loop a list and display items in table --%>\r\n<table>\r\n<tbody>\r\n<tr><th>ID<\/th><th>Name<\/th><th>Role<\/th><\/tr>\r\n<c:forEach items=\"${requestScope.empList}\" var=\"emp\">\r\n<tr><td><c:out value=\"${emp.id}\"><\/c:out><\/td>\r\n<td><c:out value=\"${emp.name}\"><\/c:out><\/td>\r\n<td><c:out value=\"${emp.role}\"><\/c:out><\/td><\/tr>\r\n<\/c:forEach>\r\n<\/tbody>\r\n<\/table>\r\n<br><br>\r\n<%-- simple c:if and c:out example with HTML escaping --%>\r\n<c:if test=\"${requestScope.htmlTagData ne null }\">\r\n<c:out value=\"${requestScope.htmlTagData}\" escapeXml=\"true\"><\/c:out>\r\n<\/c:if>\r\n<br><br>\r\n<%-- c:set example to set variable value --%>\r\n<c:set var=\"id\" value=\"5\" scope=\"request\"><\/c:set>\r\n<c:out value=\"${requestScope.id }\" ><\/c:out>\r\n<br><br>\r\n<%-- c:catch example --%>\r\n<c:catch var =\"exception\">\r\n   <% int x = 5\/0;%>\r\n<\/c:catch>\r\n\r\n<c:if test = \"${exception ne null}\">\r\n   <p>Exception is : ${exception} <br>\r\n   Exception Message: ${exception.message}<\/p>\r\n<\/c:if>\r\n<br><br>\r\n<%-- c:url example --%>\r\n<a href=\"<c:url value=\"${requestScope.url }\"><\/c:url>\">JournalDev<\/a>\r\n<\/body>\r\n<\/html>\r\n<\/code><\/pre>\n
          \u73fe\u5728\u3001https:\/\/localhost:8080\/JSTLExample\/HomeServlet\u306eURL\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u753b\u50cf\u306e\u3088\u3046\u306a\u5fdc\u7b54\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059\u3002\u4e0a\u8a18\u306eJSTL\u306e\u4f8b\u3067\u306f\u3001JSP\u30b5\u30fc\u30d3\u30b9\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u4f8b\u5916\u3092\u30ad\u30e3\u30c3\u30c1\u3059\u308b\u305f\u3081\u306bc:catch\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001JSP\u30a8\u30e9\u30fc\u30da\u30fc\u30b8\u306e\u8a2d\u5b9a\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u304cJSTL\u30bf\u30b0\u306e\u7c21\u5358\u306a\u6982\u8981\u3068JSTL\u30b3\u30a2\u30bf\u30b0\u306e\u4f7f\u7528\u4f8b\u3067\u3059\u3002\u53c2\u8003\u6587\u732e\uff1aJSTL Wikipedia\u30da\u30fc\u30b8<\/p>\n","protected":false},"excerpt":{"rendered":"
          JSTL\u306fJSP\u6a19\u6e96\u30bf\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u7565\u3067\u3059\u3002JSTL\u306f\u3001JSP\u30da\u30fc\u30b8\u306e\u632f\u308b\u821e\u3044\u3092\u5236\u5fa1\u3059\u308b\u305f\u3081\u306e\u30bf\u30b0\u3092\u63d0\u4f9b\u3059\u308b\u6a19\u6e96\u30bf\u30b0\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u3002JSTL\u30bf\u30b0\u306f\u3001\u7e70\u308a\u8fd4\u3057\u3084\u5236\u5fa1\u6587\u3001\u56fd\u969b\u5316\u3001SQL\u306a\u3069\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306eJST […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-598","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"\nJSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3001JSTL \u30bf\u30b0\u306e\u4f8b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30ebJSTL \u30bf\u30b0\u306e\u4f8b\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/jstl-\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3001jstl-\u30bf\u30b0\u306e\u4f8b\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3001JSTL \u30bf\u30b0\u306e\u4f8b\" \/>\n<meta property=\"og:description\" content=\"JSTL \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30ebJSTL \u30bf\u30b0\u306e\u4f8b\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3002\u5b9f\u8df5\u7684\u306a\u4f8b\u3068\u30b3\u30fc\u30c9\u3001\u6ce8\u610f\u70b9\u3092\u542b\u3081\u3066\u521d\u5fc3\u8005\u306b\u3082\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u8aac\u660e\u3057\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/ja\/blog\/jstl-\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3001jstl-\u30bf\u30b0\u306e\u4f8b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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