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Google labs 鎺ㄥ嚭Google 浠ｇ爜鎼滅儲 - 鎼滅儲寮鏀炬簮浠ｇ爜.
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1
Struts 絎旇
22008 08 15
3褰撲綘浣跨敤struts 2 tags鏃訛紝濡傛灉浣跨敤浠ｇ爜錛?br />
4<s:set name="name" value="<%= "'" + request.getParameter("name") + "'" %>" />
5鎴栬?br />
6
7<s:set name="name"value="${param.name}" />
8閮戒細鍙戠敓涓嬪垪閿欒錛?br />
9According to TLD or attribute directive in tag file, attributevalue does not accept any expressions
10鑰屽緱浣跨敤:
11<s:set name="name" value="#parameters.name[0]" />
12鎵嶈
13鍘熷洜鍙兘鏄洜涓轟綘浣跨敤浜?/span><%..%>浠ｇ爜 or JSP EL琛ㄨ揪寮忋係truts 2浠?nbsp;version2.0.11寮濮嬪凡緇忎笉鏀寔strutstag涓嶫SP EL琛ㄨ揪寮忔販鍚堜嬌鐢ㄤ簡錛堜笉鍦╯truts tag閲屼嬌鐢‥L榪樻槸鍙互鐨勶級
14
15
16鎶宸?Trick Tip):
17瀵逛簬<s:property>錛屾槸浣跨敤
18<s:property value="#parameters.name"/>
19鑰屽浜?/span><s:set>錛屽垯瑕佷嬌鐢紙鍚﹀垯鍑洪敊錛夛細
20<s:set name="name" value="#parameters.name[0]" />
21
22浣嗘槸濡傛灉浣跨敤struts include tag鏉ヤ紶鍙傛暟錛屽垯<s:property>鍜?/span><s:set>鏃犳硶鑾峰彇浼犳潵鐨勫弬鏁幫紝濡傦細
23<body>
24<s:include value= "/welcome.jsp">
25<s:param name="name">Scott</s:param>
26</s:include>
27</body>
28閭ｄ箞鍦╳ebcome.jsp閲岄氳繃<s:property>鍜?/span><s:set>鏃犳硶鑾峰彇"name"鍙傛暟錛?br />
29<s:property value="#parameters.name" />
30<s:set name="name"value="#parameters.name[0]" />
31鑰屽彧鑳藉鐢?br />
32<%request.getParameter("name")%>
33鏉ヨ幏鍙?br />
34
35渚嬪錛?br />
36<%@ page contentType="text/html; charset=UTF-8"%>
37<%@ taglib prefix="s" uri="/struts-tags"%>
38<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
39<html>
40 <head>
41 <title>Condition Flow</title>
42 </head>
43 <body>
44 <h3>
45 Condition Flow
46 </h3>
47
48 <!-- 娉ㄦ剰"'" + request.getParameter("name") + "'"榪欓噷鐨勫崟寮曞彿 -->
49 <!-- s:if test="#name == 'Max'" 鍒ゆ柇鍙栧嚭name鐨勫兼槸鍚︿笌Max鐩哥瓑,#琛ㄧず鍙栧嚭鍊?nbsp;-->
50 <s:set name="name"
51 value="#parameters.name[0]" />
52
53 <s:if test="#name == 'Max'">
54 Max's file here
55 </s:if>
56 <s:elseif test="#name == 'Scott'">
57 Scott's file here
58 </s:elseif>
59 <s:else>
60 Other's file here
61 </s:else>
62 </body>
63</html>
64<!--
65 榪欓噷鏈夌偣灝忔妧宸э細
66 鏈潵鍙互鐢?parameters.name[0]鏉ヨ幏寰楋紝璇鋒眰涓璶ame鐨勫箋備絾鏄紝鍦ㄦ垜瀹炵幇include渚嬪瓙鏃訛紝
67 鏃犺鎴戠敤param鏍囧織緇檔ame璧嬩換浣曞鹼紝#parameters閲岄潰涓嶄細鍚湁浠諱綍鍊鹼紝鎵浠?parameters.name涔熶負絀哄箋?br />
68
69 鍏跺師鍥犱負錛?br />
70 褰撲嬌鐢╥nclude鏍囧織鏃訛紝琚寘鍚殑欏甸潰錛坕ncluded錛夐噷#parameters鎷垮埌鐨勬槸鍖呭惈欏甸潰閲岀殑璇鋒眰鍙傛暟銆?br />
71
72 鍥犳錛岃繖閲屽繀欏繪墜宸ヨ皟鐢╮equest.getParameter("name")銆?nbsp;
73-->
74
Struts 絎旇2
2008 08 153
褰撲綘浣跨敤struts 2 tags鏃訛紝濡傛灉浣跨敤浠ｇ爜錛?br />
4<s:set name="name" value="<%= "'" + request.getParameter("name") + "'" %>" />5
鎴栬?br />
67
<s:set name="name"value="${param.name}" />8
閮戒細鍙戠敓涓嬪垪閿欒錛?br />
9According to TLD or attribute directive in tag file, attributevalue does not accept any expressions10
鑰屽緱浣跨敤:11
<s:set name="name" value="#parameters.name[0]" />12
鎵嶈13
鍘熷洜鍙兘鏄洜涓轟綘浣跨敤浜?/span><%..%>浠ｇ爜 or JSP EL琛ㄨ揪寮忋係truts 2浠?nbsp;version2.0.11寮濮嬪凡緇忎笉鏀寔strutstag涓嶫SP EL琛ㄨ揪寮忔販鍚堜嬌鐢ㄤ簡錛堜笉鍦╯truts tag閲屼嬌鐢‥L榪樻槸鍙互鐨勶級14
15
16
鎶宸?Trick Tip):17
瀵逛簬<s:property>錛屾槸浣跨敤18
<s:property value="#parameters.name"/>19
鑰屽浜?/span><s:set>錛屽垯瑕佷嬌鐢紙鍚﹀垯鍑洪敊錛夛細20
<s:set name="name" value="#parameters.name[0]" />21
22
浣嗘槸濡傛灉浣跨敤struts include tag鏉ヤ紶鍙傛暟錛屽垯<s:property>鍜?/span><s:set>鏃犳硶鑾峰彇浼犳潵鐨勫弬鏁幫紝濡傦細23
<body>24
<s:include value= "/welcome.jsp">25
<s:param name="name">Scott</s:param>26
</s:include>27
</body>28
閭ｄ箞鍦╳ebcome.jsp閲岄氳繃<s:property>鍜?/span><s:set>鏃犳硶鑾峰彇"name"鍙傛暟錛?br />
29<s:property value="#parameters.name" />30
<s:set name="name"value="#parameters.name[0]" />31
鑰屽彧鑳藉鐢?br />
32<%request.getParameter("name")%>33
鏉ヨ幏鍙?br />
3435
渚嬪錛?br />
36<%@ page contentType="text/html; charset=UTF-8"%>37
<%@ taglib prefix="s" uri="/struts-tags"%>38
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">39
<html>40
<head>41
<title>Condition Flow</title>42
</head>43
<body>44
<h3>45
Condition Flow46
</h3>47
48
<!-- 娉ㄦ剰"'" + request.getParameter("name") + "'"榪欓噷鐨勫崟寮曞彿 -->49
<!-- s:if test="#name == 'Max'" 鍒ゆ柇鍙栧嚭name鐨勫兼槸鍚︿笌Max鐩哥瓑,#琛ㄧず鍙栧嚭鍊?nbsp;-->50
<s:set name="name"51
value="#parameters.name[0]" />52
53
<s:if test="#name == 'Max'">54
Max's file here55
</s:if>56
<s:elseif test="#name == 'Scott'">57
Scott's file here58
</s:elseif>59
<s:else>60
Other's file here61
</s:else>62
</body>63
</html>64
<!--65
榪欓噷鏈夌偣灝忔妧宸э細66
鏈潵鍙互鐢?parameters.name[0]鏉ヨ幏寰楋紝璇鋒眰涓璶ame鐨勫箋備絾鏄紝鍦ㄦ垜瀹炵幇include渚嬪瓙鏃訛紝67
鏃犺鎴戠敤param鏍囧織緇檔ame璧嬩換浣曞鹼紝#parameters閲岄潰涓嶄細鍚湁浠諱綍鍊鹼紝鎵浠?parameters.name涔熶負絀哄箋?br />
68 69
鍏跺師鍥犱負錛?br />
70 褰撲嬌鐢╥nclude鏍囧織鏃訛紝琚寘鍚殑欏甸潰錛坕ncluded錛夐噷#parameters鎷垮埌鐨勬槸鍖呭惈欏甸潰閲岀殑璇鋒眰鍙傛暟銆?br />
71 72
鍥犳錛岃繖閲屽繀欏繪墜宸ヨ皟鐢╮equest.getParameter("name")銆?nbsp; 73
-->74
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浠婂ぉ鍐欎竴涓狫avaBeans紿佺劧鍙戠幇鍦↗ava浠ｇ爜閲屽彲浠ュ疄鐜伴紶鏍囨嫋鍔ㄧ殑,寰堝叴濂?璇曚簡鍑犻亶鍗村彂鐜板彧鑳芥嫋鍔ㄤ竴涓畬鏁村崟璇嶆垨瀹屾暣璇嶇粍鎴栨槸璇彞.
鎯蟲嫋鍔ㄤ竴涓敞閲婄鍙鋒垨鏄ぇ鎷彿涔嬬被鐨勫氨涓嶉偅涔堟柟渚夸簡.
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