EL表达式一个简单入门例子

从http://www.cnblogs.com/jyh317/p/3514836.html了解了EL表达式的应用自己动手操作了一下，记录下来加深记忆，也方便于以后的重新学习下面是执行后的jsp_el.jsp的显示信息?普通字符串jsp脚本：helloworldel表达式：helloworld指定范围el表达式：helloworld?自定义的类姓名：ljljlj属组：zjtz?mapmap.key1:key1value?字符串数组strArray[0]:one?listList[0]:liststring0?运算11+22=33?testemptytest1:truetest2:truetest3:falsetest4:true <无> .CodeEntity .code_pieces ul.piece_anchor{width:25px;position:absolute;top:25px;left:-30px;z-index:1000;}.CodeEntity .code_pieces ul.piece_anchor li{width:25px;background: #efe;margin-bottom:2px;}.CodeEntity .code_pieces ul.piece_anchor li{border-left:3px #40AA63 solid;border-right:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li:hover{border-right:3px #40AA63 solid;border-left:3px #efe solid;}.CodeEntity .code_pieces ul.piece_anchor li a{color: #333;padding: 3px 10px;}.CodeEntity .code_pieces .jump_to_code{visibility:hidden;position:relative;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code{visibility:visible;}.CodeEntity .code_pieces .code_piece:hover .jump_to_code a{text-decoration:none;}.CodeEntity .code_pieces h2 i{float:right;font-style:normal;font-weight:normal;}.CodeEntity .code_pieces h2 i a{font-size:9pt;background: #FFFFFF;color:#00A;padding: 2px 5px;text-decoration:none;}