锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#20013;&#25991;&#23383;&#24149;&#22312;&#32447;&#36164;&#28304;&#44;&#99;&#97;&#111;&#112;&#114;&#111;&#109;&#22312;&#32447;&#44;&#57;&#49;&#31934;&#21697;&#22269;&#20135;&#33258;&#20135;&#22312;&#32447;</title><link>http://www.aygfsteel.com/jakey766/</link><description /><language>zh-cn</language><lastBuildDate>Thu, 19 Jun 2025 19:11:39 GMT</lastBuildDate><pubDate>Thu, 19 Jun 2025 19:11:39 GMT</pubDate><ttl>60</ttl><item><title>jstl瀛楃涓插鐞?/title><link>http://www.aygfsteel.com/jakey766/archive/2009/08/28/292941.html</link><dc:creator>濮滄槅楣?/dc:creator><author>濮滄槅楣?/author><pubDate>Fri, 28 Aug 2009 05:26:00 GMT</pubDate><guid>http://www.aygfsteel.com/jakey766/archive/2009/08/28/292941.html</guid><wfw:comment>http://www.aygfsteel.com/jakey766/comments/292941.html</wfw:comment><comments>http://www.aygfsteel.com/jakey766/archive/2009/08/28/292941.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.aygfsteel.com/jakey766/comments/commentRss/292941.html</wfw:commentRss><trackback:ping>http://www.aygfsteel.com/jakey766/services/trackbacks/292941.html</trackback:ping><description><![CDATA[<div   id="wmqeeuq"   class="postTitle">
<p>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>
</div>
<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>
<p><strong><font color="#0000ff">${ns:methodName(args....)}</font></strong></p>
<p>鍦ㄤ嬌鐢ㄨ繖浜涘嚱鏁頒箣鍓嶅繀欏誨湪JSP涓紩鍏ユ爣鍑嗗嚱鏁扮殑澹版槑</p>
<p><strong><font color="#cc6633">&lt;%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %&gt;</font></strong></p>
<p>涓嬮潰鏄疛STL涓嚜甯︾殑鏂規硶鍒楄〃浠ュ強鍏舵弿榪?/p>
<p>
<table cellspacing="0" cellpadding="0" border="1">
    <tbody>
        <tr bgcolor="#cccccc">
            <td align="center"><font size="2"><strong>鍑芥暟鍚?/strong></font></td>
            <td align="center"><font size="2"><strong>鍑芥暟璇存槑</strong></font></td>
            <td align="center"><font size="2"><strong>浣跨敤涓句緥</strong></font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">contains</font></td>
            <td><font color="#3d85c6" size="2">鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆</font></td>
            <td><font color="#3d85c6" size="2">&lt;c:if test="${fn:contains(name, searchString)}"&gt;</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">containsIgnoreCase</font></td>
            <td><font color="#3d85c6" size="2">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?</font></td>
            <td><font color="#3d85c6" size="2">&lt;c:if test="${fn:containsIgnoreCase(name, searchString)}"&gt;</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">endsWith</font></td>
            <td><font color="#3d85c6" size="2">鍒ゆ柇瀛楃涓叉槸鍚︿互鍙﹀瀛楃涓茬粨鏉?/font></td>
            <td><font color="#3d85c6" size="2">&lt;c:if test="${fn:endsWith(filename, ".txt")}"&gt;</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">escapeXml</font></td>
            <td><font color="#3d85c6" size="2">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&amp;lt;</font></td>
            <td><font color="#3d85c6" size="2">${fn:escapeXml(param:info)}</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">indexOf</font></td>
            <td><font color="#3d85c6" size="2">瀛愬瓧絎︿覆鍦ㄦ瘝瀛楃涓蹭腑鍑虹幇鐨勪綅緗?/font></td>
            <td><font color="#3d85c6" size="2">${fn:indexOf(name, "-")}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">join</font></td>
            <td><font color="#3d85c6" size="2">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�</font></td>
            <td><font color="#3d85c6" size="2">${fn:join(array, ";")}</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">length</font></td>
            <td><font color="#3d85c6" size="2">鑾峰彇瀛楃涓茬殑闀垮害錛屾垨鑰呮暟緇勭殑澶у皬</font></td>
            <td><font color="#3d85c6" size="2">${fn:length(shoppingCart.products)}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">replace</font></td>
            <td><font color="#3d85c6" size="2">鏇挎崲瀛楃涓蹭腑鎸囧畾鐨勫瓧絎?/font></td>
            <td><font color="#3d85c6" size="2">${fn:replace(text, "-", "&#8226;")}</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">split</font></td>
            <td><font color="#3d85c6" size="2">鎶婂瓧絎︿覆鎸夌収鎸囧畾瀛楃鍒囧垎</font></td>
            <td><font color="#3d85c6" size="2">${fn:split(customerNames, ";")}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">startsWith</font></td>
            <td><font color="#3d85c6" size="2">鍒ゆ柇瀛楃涓叉槸鍚︿互鏌愪釜瀛愪覆寮�濮?/font></td>
            <td><font color="#3d85c6" size="2">&lt;c:if test="${fn:startsWith(product.id, "100-")}"&gt;</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">substring</font></td>
            <td><font color="#3d85c6" size="2">鑾峰彇瀛愪覆</font></td>
            <td><font color="#3d85c6" size="2">${fn:substring(zip, 6, -1)}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">substringAfter</font></td>
            <td>
            <p><font color="#3d85c6" size="2">鑾峰彇浠庢煇涓瓧絎︽墍鍦ㄤ綅緗紑濮嬬殑瀛愪覆</font></p>
            </td>
            <td><font color="#3d85c6" size="2">${fn:substringAfter(zip, "-")}</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">substringBefore</font></td>
            <td><font color="#3d85c6" size="2">鑾峰彇浠庡紑濮嬪埌鏌愪釜瀛楃鎵�鍦ㄤ綅緗殑瀛愪覆</font></td>
            <td><font color="#3d85c6" size="2">${fn:substringBefore(zip, "-")}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">toLowerCase</font></td>
            <td><font color="#3d85c6" size="2">杞負灝忓啓</font></td>
            <td><font color="#3d85c6" size="2">${fn.toLowerCase(product.name)}</font></td>
        </tr>
        <tr>
            <td><font color="#3d85c6" size="2">toUpperCase</font></td>
            <td><font color="#3d85c6" size="2">杞負澶у啓瀛楃</font></td>
            <td><font color="#3d85c6" size="2">${fn.UpperCase(product.name)}</font></td>
        </tr>
        <tr bgcolor="#e8f0fc">
            <td><font color="#3d85c6" size="2">trim</font></td>
            <td><font color="#3d85c6" size="2">鍘婚櫎瀛楃涓插墠鍚庣殑絀烘牸</font></td>
            <td><font color="#3d85c6" size="2">${fn.trim(name)}</font></td>
        </tr>
    </tbody>
</table>
</p>
<p><font size="2"><br />
JSTL涓嚜甯︾殑鏂規硶鍒楄〃<br />
闈㈡槸JSTL涓嚜甯︾殑鏂規硶鍒楄〃浠ュ強鍏舵弿榪?br />
contains <br />
鍒ゆ柇瀛楃涓叉槸鍚﹀寘鍚彟澶栦竴涓瓧絎︿覆 <br />
&lt;c:if test="${fn:contains(name, searchString)}"&gt; <br />
<br />
containsIgnoreCase <br />
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? <br />
&lt;c:if test="${fn:containsIgnoreCase(name, searchString)}"&gt; <br />
<br />
endsWith <br />
鍒ゆ柇瀛楃涓叉槸鍚︿互鍙﹀瀛楃涓茬粨鏉?<br />
&lt;c:if test="${fn:endsWith(filename, ".txt")}"&gt; <br />
<br />
escapeXml <br />
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&lt; <br />
${fn:escapeXml(param:info)} <br />
<br />
indexOf <br />
瀛愬瓧絎︿覆鍦ㄦ瘝瀛楃涓蹭腑鍑虹幇鐨勪綅緗?<br />
${fn:indexOf(name, "-")} <br />
<br />
join <br />
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� <br />
${fn:join(array, ";")} <br />
<br />
length <br />
鑾峰彇瀛楃涓茬殑闀垮害錛屾垨鑰呮暟緇勭殑澶у皬 <br />
${fn:length(shoppingCart.products)} <br />
<br />
replace <br />
鏇挎崲瀛楃涓蹭腑鎸囧畾鐨勫瓧絎?<br />
${fn:replace(text, "-", "?")} <br />
<br />
split <br />
鎶婂瓧絎︿覆鎸夌収鎸囧畾瀛楃鍒囧垎 <br />
${fn:split(customerNames, ";")} <br />
<br />
startsWith <br />
鍒ゆ柇瀛楃涓叉槸鍚︿互鏌愪釜瀛愪覆寮�濮?<br />
&lt;c:if test="${fn:startsWith(product.id, "100-")}"&gt; <br />
<br />
substring <br />
鑾峰彇瀛愪覆 <br />
${fn:substring(zip, 6, -1)} <br />
<br />
substringAfter <br />
鑾峰彇浠庢煇涓瓧絎︽墍鍦ㄤ綅緗紑濮嬬殑瀛愪覆<br />
${fn:substringAfter(zip, "-")} <br />
<br />
substringBefore <br />
鑾峰彇浠庡紑濮嬪埌鏌愪釜瀛楃鎵�鍦ㄤ綅緗殑瀛愪覆 <br />
${fn:substringBefore(zip, "-")} <br />
<br />
toLowerCase <br />
杞負灝忓啓 <br />
${fn.toLowerCase(product.name)} <br />
<br />
toUpperCase <br />
杞負澶у啓瀛楃 <br />
${fn.UpperCase(product.name)} <br />
<br />
trim <br />
鍘婚櫎瀛楃涓插墠鍚庣殑絀烘牸 <br />
${fn.trim(name)}</font></p>
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