锘??xml version="1.0" encoding="utf-8" standalone="yes"?> JSTL浣跨敤琛ㄨ揪寮忔潵綆鍖栭〉闈㈢殑浠g爜錛岃繖瀵逛竴浜涙爣鍑嗙殑鏂規硶錛屼緥濡俠ean鐨刧etter/setter鏂規硶錛岃姹傚弬鏁版垨鑰卌ontext浠ュ強session涓殑鏁版嵁鐨勮闂潪甯告柟渚匡紝浣嗘槸鎴戜滑鍦ㄥ疄闄呭簲鐢ㄤ腑緇忓父闇瑕佸湪欏甸潰璋冪敤瀵硅薄鐨勬煇浜涙柟娉曪紝渚嬪鎴戦渶瑕佽皟鐢ㄥ瓧絎︿覆鐨刲ength鏂規硶鏉ヨ幏鍙栧瓧絎︿覆鐨勯暱搴︽椂錛屽湪浠ュ線鐨勫紑鍙戣繃紼嬩腑鎴戜滑蹇呴』鎶婂璞″厛杞負String綾伙紝鐒跺悗鍦ㄨ皟鐢ㄥ叾length鏂規硶錛岃繖鏍風殑浠g爜綣佺悙鑰屼笖瀹規槗鍑洪敊銆?/p>
鍥犳JSTL鍐呯疆浜嗗嚑涓敤浜庡瓧絎︿覆鎿嶄綔鐨勬柟娉曪紝鍙互鐩存帴鍦ㄨ〃杈懼紡涓嬌鐢紝澶уぇ鐨勭畝鍖栦簡浠g爜錛屾彁渚涗唬鐮佺殑鍙鎬с傚湪JSTL鐨勮〃杈炬槸涓浣跨敤涓涓嚱鏁幫紝鍏舵牸寮忓涓?/p>
${ns:methodName(args....)} 鍦ㄤ嬌鐢ㄨ繖浜涘嚱鏁頒箣鍓嶅繀欏誨湪JSP涓紩鍏ユ爣鍑嗗嚱鏁扮殑澹版槑 <%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %> 涓嬮潰鏄疛STL涓嚜甯︾殑鏂規硶鍒楄〃浠ュ強鍏舵弿榪?/p>
鑾峰彇浠庢煇涓瓧絎︽墍鍦ㄤ綅緗紑濮嬬殑瀛愪覆
鍑芥暟鍚?/strong>
鍑芥暟璇存槑
浣跨敤涓句緥
contains
鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆
<c:if test="${fn:contains(name, searchString)}">
containsIgnoreCase
鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆(澶у皬鍐欐棤鍏?
<c:if test="${fn:containsIgnoreCase(name, searchString)}">
endsWith
鍒ゆ柇瀛楃涓叉槸鍚︿互鍙﹀瀛楃涓茬粨鏉?/font>
<c:if test="${fn:endsWith(filename, ".txt")}">
escapeXml
鎶婁竴浜涘瓧絎﹁漿鎴怷ML琛ㄧず錛屼緥濡?lt;瀛楃搴旇杞負<
${fn:escapeXml(param:info)}
indexOf
瀛愬瓧絎︿覆鍦ㄦ瘝瀛楃涓蹭腑鍑虹幇鐨勪綅緗?/font>
${fn:indexOf(name, "-")}
join
灝嗘暟緇勪腑鐨勬暟鎹仈鍚堟垚涓涓柊瀛楃涓詫紝騫朵嬌鐢ㄦ寚瀹氬瓧絎︽牸寮
${fn:join(array, ";")}
length
鑾峰彇瀛楃涓茬殑闀垮害錛屾垨鑰呮暟緇勭殑澶у皬
${fn:length(shoppingCart.products)}
replace
鏇挎崲瀛楃涓蹭腑鎸囧畾鐨勫瓧絎?/font>
${fn:replace(text, "-", "•")}
split
鎶婂瓧絎︿覆鎸夌収鎸囧畾瀛楃鍒囧垎
${fn:split(customerNames, ";")}
startsWith
鍒ゆ柇瀛楃涓叉槸鍚︿互鏌愪釜瀛愪覆寮濮?/font>
<c:if test="${fn:startsWith(product.id, "100-")}">
substring
鑾峰彇瀛愪覆
${fn:substring(zip, 6, -1)}
substringAfter
${fn:substringAfter(zip, "-")}
substringBefore
鑾峰彇浠庡紑濮嬪埌鏌愪釜瀛楃鎵鍦ㄤ綅緗殑瀛愪覆
${fn:substringBefore(zip, "-")}
toLowerCase
杞負灝忓啓
${fn.toLowerCase(product.name)}
toUpperCase
杞負澶у啓瀛楃
${fn.UpperCase(product.name)}
trim
鍘婚櫎瀛楃涓插墠鍚庣殑絀烘牸
${fn.trim(name)}
JSTL涓嚜甯︾殑鏂規硶鍒楄〃
闈㈡槸JSTL涓嚜甯︾殑鏂規硶鍒楄〃浠ュ強鍏舵弿榪?br />
contains
鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆
<c:if test="${fn:contains(name, searchString)}">
containsIgnoreCase
鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆(澶у皬鍐欐棤鍏?
<c:if test="${fn:containsIgnoreCase(name, searchString)}">
endsWith
鍒ゆ柇瀛楃涓叉槸鍚︿互鍙﹀瀛楃涓茬粨鏉?
<c:if test="${fn:endsWith(filename, ".txt")}">
escapeXml
鎶婁竴浜涘瓧絎﹁漿鎴怷ML琛ㄧず錛屼緥濡?lt;瀛楃搴旇杞負<
${fn:escapeXml(param:info)}
indexOf
瀛愬瓧絎︿覆鍦ㄦ瘝瀛楃涓蹭腑鍑虹幇鐨勪綅緗?
${fn:indexOf(name, "-")}
join
灝嗘暟緇勪腑鐨勬暟鎹仈鍚堟垚涓涓柊瀛楃涓詫紝騫朵嬌鐢ㄦ寚瀹氬瓧絎︽牸寮
${fn:join(array, ";")}
length
鑾峰彇瀛楃涓茬殑闀垮害錛屾垨鑰呮暟緇勭殑澶у皬
${fn:length(shoppingCart.products)}
replace
鏇挎崲瀛楃涓蹭腑鎸囧畾鐨勫瓧絎?
${fn:replace(text, "-", "?")}
split
鎶婂瓧絎︿覆鎸夌収鎸囧畾瀛楃鍒囧垎
${fn:split(customerNames, ";")}
startsWith
鍒ゆ柇瀛楃涓叉槸鍚︿互鏌愪釜瀛愪覆寮濮?
<c:if test="${fn:startsWith(product.id, "100-")}">
substring
鑾峰彇瀛愪覆
${fn:substring(zip, 6, -1)}
substringAfter
鑾峰彇浠庢煇涓瓧絎︽墍鍦ㄤ綅緗紑濮嬬殑瀛愪覆
${fn:substringAfter(zip, "-")}
substringBefore
鑾峰彇浠庡紑濮嬪埌鏌愪釜瀛楃鎵鍦ㄤ綅緗殑瀛愪覆
${fn:substringBefore(zip, "-")}
toLowerCase
杞負灝忓啓
${fn.toLowerCase(product.name)}
toUpperCase
杞負澶у啓瀛楃
${fn.UpperCase(product.name)}
trim
鍘婚櫎瀛楃涓插墠鍚庣殑絀烘牸
${fn.trim(name)}