1錛?
| EL Expression | Result |
| ${1} | 1 |
| ${1 + 2} | 3 |
| ${1.2 + 2.3} | 3.5 |
| ${1.2E4 + 1.4} | 12001.4 |
| ${-4 - 2} | -6 |
| ${21 * 2} | 42 |
| ${3/4} | 0.75 |
| ${3 div 4} | 0.75 |
| ${3/0} | Infinity |
| ${10%4} | 2 |
| ${10 mod 4} | 2 |
| ${(1==2) ? 3 : 4} | 4 |
2錛?br />
| EL Expression | Result |
| ${1 < 2} | true |
| ${1 lt 2} | true |
| ${1 > (4/2)} | false |
| ${1 > (4/2)} | false |
| ${4.0 >= 3} | true |
| ${4.0 ge 3} | true |
| ${4 <= 3} | false |
| ${4 le 3} | false |
| ${100.0 == 100} | true |
| ${100.0 eq 100} | true |
| ${(10*10) != 100} | false |
| ${(10*10) ne 100} | false |
3錛?br />
| EL Expression | Result |
| ${'a' < 'b'} | true |
| ${'hip' > 'hit'} | false |
| ${'4' > 3} | true |
4錛?br />
| EL Expression | Result |
| ${param.foo} | bar聽 |
| ${param["foo"]} | bar聽 |
| ${header["host"]} | 127.0.0.1:8080 |
| ${header["accept"]} | */* |
| ${header["user-agent"]} | Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Maxthon; .NET CLR 2.0.50727) |
5,
| EL Expression | Result |
| ${param["foo"]} | 0.2 聽 |
| ${my:reverse(param["foo"])} | 2.0聽 |
| ${my:reverse(my:reverse(param["foo"]))} | 0.2 聽 |
| ${my:countVowels(param["foo"])} | 0聽 |
clingingboy 2006-06-15 21:21 鍙戣〃璇勮
]]>1,澹版槑 鐢ㄤ簬鎻掑叆鏂規硶錛屽０鏄庡彉閲忥紝甯擱噺
2,琛ㄨ揪寮?鐢ㄤ簬杈撳嚭
3,scriptlet聽 鍖呭惈瀹屾暣java浠ｇ爜孌?br />
聽1
<!--澹版槑聽聽-->
聽2
聽聽聽聽聽聽聽聽<%
!
聽3
聽聽聽聽聽聽聽聽String聽a="clingingboy";
聽4聽聽聽聽聽聽聽聽Date聽myDate=new聽Date();
聽5聽聽聽聽聽聽聽聽private聽static聽String聽Add(String聽a,String聽b)
聽6聽聽聽聽聽聽聽聽{
聽7聽聽聽聽聽聽聽聽String聽c=a+b;
聽8聽聽聽聽聽聽聽聽return聽c;
聽9聽聽聽聽聽聽聽聽}
10
聽聽聽聽聽聽聽聽%>
11聽聽聽聽聽聽聽聽<!--琛ㄨ揪寮徛犅?/span>-->
12聽聽聽聽聽聽聽聽<%=a+"浣犲ソ"聽%>
13聽聽聽聽聽聽聽聽<%=this.Add("錛岀幇鍦?/span>","鏃墮棿鏄?/span>")%><br>
14聽聽聽聽聽聽聽聽<%=myDate.getHours()%>
15聽聽聽聽聽聽聽聽<%=myDate.getMinutes()聽%>
16聽聽聽聽聽聽聽聽<br>
17聽聽聽聽聽聽聽聽<br>
18聽聽聽聽聽聽聽聽<!--scriptlet鑴氭湰鍏冪礌聽聽-->
19聽聽聽聽聽聽聽聽<%
20聽聽聽聽聽聽聽聽for(int聽i=1;i<=10;i++)
21聽聽聽聽聽聽聽聽{
22聽聽聽聽聽聽聽聽out.print("<font聽size="+i+">hello,world</font><br>");
23聽聽聽聽聽聽聽聽}
24聽聽聽聽聽聽聽聽%>
<!--澹版槑聽聽-->聽2
聽聽聽聽聽聽聽聽<%!聽3
聽聽聽聽聽聽聽聽String聽a="clingingboy";聽4
聽聽聽聽聽聽聽聽Date聽myDate=new聽Date();聽5
聽聽聽聽聽聽聽聽private聽static聽String聽Add(String聽a,String聽b)聽6
聽聽聽聽聽聽聽聽{聽7
聽聽聽聽聽聽聽聽String聽c=a+b;聽8
聽聽聽聽聽聽聽聽return聽c;聽9
聽聽聽聽聽聽聽聽}10
聽聽聽聽聽聽聽聽%>11
聽聽聽聽聽聽聽聽<!--琛ㄨ揪寮徛犅?/span>-->12
聽聽聽聽聽聽聽聽<%=a+"浣犲ソ"聽%>13
聽聽聽聽聽聽聽聽<%=this.Add("錛岀幇鍦?/span>","鏃墮棿鏄?/span>")%><br>14
聽聽聽聽聽聽聽聽<%=myDate.getHours()%>15
聽聽聽聽聽聽聽聽<%=myDate.getMinutes()聽%>16
聽聽聽聽聽聽聽聽<br>17
聽聽聽聽聽聽聽聽<br>18
聽聽聽聽聽聽聽聽<!--scriptlet鑴氭湰鍏冪礌聽聽-->19
聽聽聽聽聽聽聽聽<%20
聽聽聽聽聽聽聽聽for(int聽i=1;i<=10;i++)21
聽聽聽聽聽聽聽聽{22
聽聽聽聽聽聽聽聽out.print("<font聽size="+i+">hello,world</font><br>");23
聽聽聽聽聽聽聽聽}24
聽聽聽聽聽聽聽聽%>clingingboy 2006-06-15 21:01 鍙戣〃璇勮
]]>