2. 鍑忓皯浣跨敤Ognl琛ㄨ揪寮忥紝鏈濂戒嬌鐢‵reeMaker浠ｆ浛JSP
3. 鍏抽棴logging鍜宒evMode
4. Struts.xml涓垹闄や笉闇瑕佺殑鎷︽埅鍣?
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Weblogic 10涓婮SP el涓巓gnl鐨勯棶棰樹笌瑙ｅ喅鏂規(guī)硶
admin鍙戝竷浜?010-05-06 10:17 | 142嬈￠槄璇?/font>
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English Title:Weblogic 10 leaves the problem of JSP El and Ognl and means of settlement |
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1.涓涓獀alue stack鏈川涓婃槸涓涓狶ist;
2.鍦ㄦ爤涓皟鐢╗n]灝嗚繑鍥炰竴涓粠浣嶇疆n寮濮嬬殑瀛愭爤;
瀵逛簬2涓句釜渚嬪瓙璇存槑銆傚亣瀹歏alue Stack鍖呭惈浜哰model,action,others]錛岄偅涔?/p>
[0] --- 榪斿洖 [model,action,others]錛?
[1] --- 榪斿洖 [action,others]錛?
[2] --- 榪斿洖 [others];
鐜板湪灝嗗紑濮嬩粙緇峴:iterator鐨勪竴浜涗嬌鐢ㄣ備互涓嬩唬鐮佺墖孌靛潎鍦ㄥ紑鍙戠幆澧僥clipse3.4 wtp銆乼omcat5.5銆乯dk5涓婁嬌鐢╯truts2.1.6嫻嬭瘯閫氳繃銆?/p>
1) 銆佽闂?days
defined List<String> days ["Monday","Thursday","Friday","Sunday"]
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<s:iterator value="days"><s:property /></s:iterator>
<s:iterator value="days"><s:property /></s:iterator>
2) 銆佷嬌鐢?top 鍏抽敭瀛椾嬌鐢?榪囨護(hù)鎺塎onday)
defined List<String> days ["Monday","Thursday","Friday","Sunday"]
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<s:iterator value="days">
<s:if test="top!='Monday'">
<s:property />
</s:if>
</s:iterator>
<s:iterator value="days">
<s:if test="top!='Monday'">
<s:property />
</s:if>
</s:iterator>
top 鎸囦唬褰撳墠榪唬鍏冪礌錛屽彲浠ヤ負(fù)瀵硅薄錛?
榪欓噷鐨則op鍙敤[0].top鏇夸唬錛屼絾涓嶈兘浣跨敤[0]銆俒0]浠ｈ〃鏁翠釜鏍堝璞°傚鏋滃崟綰皟鐢╗0]灝嗕細(xì)璋冪敤鍏秚oString()鏂規(guī)硶杈撳嚭瀵硅薄淇℃伅錛?/p>
3)銆佷嬌鐢?last / first 鍏抽敭瀛椾嬌鐢?/strong>
defined String[][] aTs = { { "涓", "浜?, "涓?, "鍥? },{ "涓涓", "浜屼簩", "涓変笁", "鍥涘洓"} };
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<!--閬嶅巻浜岀淮鏁扮粍錛孴he trick here is to use 'top' as the value for the inner iterator-->
<s:iterator value="aTs" status="of">
<s:if test="#of.last"><br/></s:if>
<s:iterator value="top">
<!--浜﹀彲鐢╗0].top鏇夸唬銆傚鏋滃崟綰敤[0],鍒欎細(xì)鍚屾椂鎵撳嵃璇ュ鏍堝璞′俊鎭?->
<s:property />
</s:iterator>
</s:iterator>
<!--閬嶅巻浜岀淮鏁扮粍錛孴he trick here is to use 'top' as the value for the inner iterator-->
<s:iterator value="aTs" status="of">
<s:if test="#of.last"><br/></s:if>
<s:iterator value="top">
<!--浜﹀彲鐢╗0].top鏇夸唬銆傚鏋滃崟綰敤[0],鍒欎細(xì)鍚屾椂鎵撳嵃璇ュ鏍堝璞′俊鎭?->
<s:property />
</s:iterator>
</s:iterator>
iterator 鏍囩涓殑status灞炴т唬琛ㄥ綋鍓嶈凱浠ｇ殑浣嶇疆錛?
#of.last鐢ㄤ簬鍒ゆ柇褰撳墠鏄惁璺屽埌鐨勬渶鍚庝竴涓厓绱狅紱
last榪斿洖涓涓猙oolean綾誨瀷;
first 榪斿洖涓涓猙oolean綾誨瀷;
4)銆佷嬌鐢?odd / even 鍏抽敭瀛?/strong>
涓嬮潰鐨勪緥瀛愯瀹炵幇姣忚杈撳嚭棰滆壊涓嶅悓鐨勬晥鏋溿?/p>
defined List<String> days ["Monday","Thursday","Friday","Sunday"]
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<!--濂囨暟琛屾樉紺轟負(fù)綰㈣壊,鍋舵暟琛屾樉紺轟負(fù)緇胯壊-->
<s:iterator value="days" status="offset">
<s:else>
<s:if test="#offset.odd==true">
<li style="color: red" mce_style="color: red"><s:property /></li>
</s:if>
<s:else>
<li><s:property /></li>
</s:else>
</s:else>
</s:iterator>
<!--濂囨暟琛屾樉紺轟負(fù)綰㈣壊,鍋舵暟琛屾樉紺轟負(fù)緇胯壊-->
<s:iterator value="days" status="offset">
<s:else>
<s:if test="#offset.odd==true">
<li style="color: red" mce_style="color: red"><s:property /></li>
</s:if>
<s:else>
<li><s:property /></li>
</s:else>
</s:else>
</s:iterator>
odd鍏抽敭瀛楃敤鏉ュ垽鏂綋鍓嶈凱浠ｄ綅緗槸鍚︿負(fù)濂囨暟琛屻俹dd榪斿洖boolean綾誨瀷;
evne鍏抽敭瀛楃敤鏉ュ垽鏂綋鍓嶈凱浠ｄ綅緗槸鍚︿負(fù)鍋舵暟琛屻俥ven榪斿洖boolean綾誨瀷
5)銆佹葷粨涓嬶紝褰撳０鏄巌terator鐨剆tatus灞炴ф椂錛岄氳繃#statusName.method 鍙互浣跨敤浠ヤ笅鏂規(guī)硶:
even : boolean - 濡傛灉褰撳墠榪唬浣嶇疆鏄伓鏁拌繑鍥瀟rue
odd : boolean - 濡傛灉褰撳墠榪唬浣嶇疆鏄鏁拌繑鍥瀟rue
count : int - 榪斿洖褰撳墠榪唬浣嶇疆鐨勮鏁?浠?寮濮?
index : int - 榪斿洖褰撳墠榪唬浣嶇疆鐨勭紪鍙?浠?寮濮?
first : boolean - 濡傛灉褰撳墠榪唬浣嶇疆鏄涓浣嶆椂榪斿洖true
last : boolean - 濡傛灉褰撳墠榪唬浣嶇疆鏄渶鍚庝竴浣嶆椂榪斿洖true
modulus(operand : int) : int - 榪斿洖褰撳墠璁℃暟(浠?寮濮?涓庢寚瀹氭搷浣滄暟鐨勬ā鏁?
6)銆佹渶鍚庡啀鏉ョ湅涓嬪湪iterator涓皟鐢╲alue stack鐨勭敤娉曘?/strong>
鍋囧畾countries鏄竴涓狶ist瀵硅薄錛屾瘡涓涓猚ountry鏈変竴涓猲ame灞炴у拰涓涓猚itys List瀵硅薄錛屽茍涓旀瘡涓涓猚ity涔熸湁涓涓猲ame灞炴?銆傞偅涔堟垜浠兂瑕佸湪榪唬cities鏄闂甤ountries鐨刵ame灞炴у氨鐨勭敤濡備笅鏂瑰紡錛?/p>
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<s:iterator value="countries">
<s:iterator value="cities">
<s:property value="name"/>, <s:property value="[1].name"/><br>
</s:iterator>
</s:iterator>
<s:iterator value="countries">
<s:iterator value="cities">
<s:property value="name"/>, <s:property value="[1].name"/><br>
</s:iterator>
</s:iterator>
榪欓噷鐨?<ww:property value="name"/>鍙栫殑鏄痗tiy.name;<ww:property value="[1].name"/>鍙栧緱鏄痗ountry.name
<ww:property value="[1].name"/> 絳変環(huán)浜?<ww:property value="[1].top.name"/>
we refer to a specific position on the stack: '[1]'. The top of the stack, position 0, contains the current city, pushed on by the inner iterator; position 1 contains the current country, pushed there by the outer iterator.(city澶勪簬褰撳墠鏍堬紝鍗硉op鎴栬匸0],鑰孾1]鎸囨槑浜嗗灞俰terator瀵硅薄錛屽嵆country)
'[n]'鏍囪寮曠敤寮濮嬩綅緗負(fù)n鐨勫瓙鏍堬紙sub-stack錛夛紝鑰屼笉浠呬粎鏄綅緗畁澶勭殑瀵硅薄銆傚洜姝?[0]'浠ｈ〃鏁翠釜鏍堬紝鑰?[1]'鏄櫎top瀵硅薄澶栨墍鏈夌殑鏍堝厓绱犮?
杞澆鍑哄錛歨ttp://blog.csdn.net/oxcow/archive/2009/09/03/4516283.aspx
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闇瑕佸湪JSP鐨?lt;%%>java浠ｇ爜孌典腑鐩存帴璁塊棶鍊兼爤鍐呭,鑰屼笉浣跨敤<s:property value="name"/>鑾峰彇錛?br /> 鍙互閫氳繃濡備笅鏂瑰紡榪涜:
String name = (String)ActionContext.getContext().getValueStack().findValue( "name" ); 涓轟簡姝ｅ父榪愯錛岃繕闇瑕佸湪jsp灝嗚繖com.opensymphony.xwork.ActionContext 綾誨紩鍏?/p>
<%@ page import= "com.opensymphony.xwork.ActionContext" %> ]]>
<s:datetimepicker id="time1" name="time1" toggleType="explode" value="today" /> <s:datetimepicker id="time2" name="time2" toggleType="explode" value="today" />
鎴戜滑鍦╦avascript涓彲浠ラ氳繃浠ヤ笅鏂瑰紡璇誨彇鍜岃祴鍊?/p>
var time1= dojo.widget.byId("time1");var stringtime1 = time1.getValue();//璇誨彇var time2= dojo.widget.byId("time2");time2.setValue(stringtime1 ); //璧嬪?/span>浠ヤ笂浠ｇ爜錛屽彇鍑簍ime1涓殑鍊鹼紝璧嬬粰time2
Struts2 API涓殑涓涓緥瀛?
Examples:
<s:datetimepicker name="order.date" label="Order Date" /><s:datetimepicker name="delivery.date" label="Delivery Date" displayFormat="yyyy-MM-dd" /><s:datetimepicker name="delivery.date" label="Delivery Date" value="%{date}" /><s:datetimepicker name="delivery.date" label="Delivery Date" value="%{'2007-01-01'}" /><s:datetimepicker name="order.date" label="Order Date" value="%{'today'}"/>Getting and getting the datetimepicker value, from JavaScript:
<s:datetimepicker id="picker" label="Order Date" /><script type="text/javascript">
function setValue() {
var picker = dojo.widget.byId("picker"); //string value picker.setValue('2007-01-01'); //Date value picker.setValue(new Date());
} function showValue() { var picker = dojo.widget.byId("picker"); //string value var stringValue = picker.getValue(); alert(stringValue); //date value var dateValue = picker.getDate(); alert(dateValue); }</script>
Publish topic when value changes:
<s:datetimepicker id="picker" label="Order Date" valueNotifyTopics="/value"/><script type="text/javascript">dojo.event.topic.subscribe("/value", function(textEntered, date, widget){ alert('value changed'); //textEntered: String enetered in the textbox //date: JavaScript Date object with the value selected //widet: widget that published the topic });</script>
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