我想建立指向 src 属性的链接,这取决于一些参数
<%@page trimDirectiveWhitespaces="true" %>
...
<iframe style="border: 0; width: 100%; height: 100%;"
src="http://localhost:8080/AppName?
<c:if test="${not empty it.paramOne}">
paramOne=${it.paramOne}
</c:if>
<c:if test="${not empty it.paramTwo}">
¶mTwo=${it.paramTwo}
</c:if>
<c:if test="${not empty it.paramThree}">
¶mThree=${it.paramThree}
</c:if>
">
Your browser doesn't support iFrames. </iframe>
上面的代码,生成以下html
<iframe style="border: 0; width: 100%; height: 100%;" src="http://localhost:8080/AppName?
paramOne=val1
&paramTwo=val2
&paramThree=val3
">
Your browser doesn't support iFrames. </iframe>
链接看起来
http://localhost:8080/AppName/?%20%20%20%20%20%20paramOne=val1%20%20%20¶mTwo=val2%20%20%20¶mThree=val3
但我想得到
http://localhost:8080/AppName/?paramOne=val1¶mTwo=val2¶mThree=val3
我找到了这个http://flgor.blogspot.com/2011/07/jsp-new-line.html但这不是我想要的,我想。
那么如何去掉 JSTL 标签生成的空格和换行符呢?
最佳答案
尝试将所有内容放在一行中:
<c:set var="url" value="http://localhost:8080/AppName?"/>
<c:if test="${not empty it.paramOne}">
<c:set var="url" value="${url}paramOne=${it.paramOne}"
</c:if>
<c:if test="${not empty it.paramTwo}">
<c:set var="url" value="${url}¶mTwo=${it.paramTwo}"
</c:if>
<c:if test="${not empty it.paramThree}">
<c:set var="url" value="${url}¶mThree=${it.paramThree}"
</c:if>
<iframe style="border: 0; width: 100%; height: 100%;"
src="${url}">
关于java - 删除由 JSTL 标签生成的新行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14926768/