正文
Jsp应用EL和JSTL实例对比。
小程序：扫一扫查出行【扫一扫了解最新限行尾号】
复制小程序
普通方式：
register.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head> <body>
<h1>注册用户</h1>
<form action="registerdo.jsp" method="post">
<table>
<tr>
<td><label for="txtUserName">用户名：</label></td>
<td><input type="text" name="txtUserName" id="txtUserName"/></td>
</tr>
<tr>
<td><label for="txtLoginPwd">密码：</label></td>
<td><input type="password" name="txtLoginPwd" id="txtLoginPwd"/></td>
</tr>
<tr>
<td><label for="rdoMan">性别：</label></td>
<td><input type="radio" name="rdoSex" checked="checked" value="1" id="rdoMan"/><label for="rdoMan">男士</label>
<input type="radio" name="rdoSex" value="0" id="rdoWoman"/><label for="rdoWoman">女士</label>
</td>
</tr>
<tr>
<td><label for="selEdu" id="selEdu">学历：</label></td>
<td>
<select name="selEdu" id="selEdu">
<option value="小学">小学</option>
<option value="中学">中学</option>
<option value="大学">大学</option>
</select>
</td>
</tr>
<tr>
<td><label for="chkLan">爱好：</label></td>
<td>
<input type="checkbox" name="chkHibby" id="chkLan" value="篮球"/><label for="chkLan">篮球</label>
<input type="checkbox" name="chkHibby" id="chkZu" value="足球"/><label for="chkZu">足球</label>
<input type="checkbox" name="chkHibby" id="chkPai" value="排球"/><label for="chkPai">排球</label>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="注册"/>
<input type="reset" value="重填"/>
</td>
</tr>
</table>
</form>
</body>
</html>
register.jsp
registerdo.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=utf-8"%>
<%
request.setCharacterEncoding("utf-8");
String userName = request.getParameter("txtUserName");
String loginPwd = request.getParameter("txtLoginPwd");
String sex = request.getParameter("rdoSex");
sex = sex.equals("1")? "男" :"女";
String edu = request.getParameter("selEdu");
String[] hibbys = request.getParameterValues("chkHibby");
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<h1>request.getParameter()</h1>
<table>
<tr>
<td>用户名：</td>
<td><%=userName %></td>
</tr>
<tr>
<td>密码：</td>
<td><%=loginPwd %></td>
</tr>
<tr>
<td>性别：</td>
<td><%=sex %></td>
</tr>
<tr>
<td>学历：</td>
<td><%=edu %></td>
</tr>
<tr>
<td>爱好：</td>
<td>
<%
for(int i = 0 ; i < hibbys.length ; i++){
String hibby = hibbys[i];
out.print(hibby);
if(i != hibbys.length-1){
out.print(",");
}
}
%>
</td>
</tr>
</table>
</body>
</html>
registerdo.jsp
EL和JSTL方式：
registerjstl.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body>
<h1>注册用户</h1>
<form action="registerjstldo.jsp" method="post">
<table>
<tr>
<td><label for="txtUserName">用户名：</label></td>
<td><input type="text" name="txtUserName" id="txtUserName"/></td>
</tr>
<tr>
<td><label for="txtLoginPwd">密码：</label></td>
<td><input type="password" name="txtLoginPwd" id="txtLoginPwd"/></td>
</tr>
<tr>
<td><label for="rdoMan">性别：</label></td>
<td><input type="radio" name="rdoSex" checked="checked" value="1" id="rdoMan"/><label for="rdoWan">男士</label>
<input type="radio" name="rdoSex" value="0" id="rdoWoman"/><label for="rdoWoman">女士</label>
</td>
</tr>
<tr>
<td><label for="selEdu" id="selEdu">学历：</label></td>
<td>
<select name="selEdu" id="selEdu">
<option value="小学">小学</option>
<option value="中学">中学</option>
<option value="大学">大学</option>
</select>
</td>
</tr>
<tr>
<td><label for="chkLan">爱好：</label></td>
<td>
<input type="checkbox" name="chkHibby" id="chkLan" value="篮球"/><label for="chkLan">篮球</label>
<input type="checkbox" name="chkHibby" id="chkZu" value="足球"/><label for="chkZu">足球</label>
<input type="checkbox" name="chkHibby" id="chkPai" value="排球"/><label for="chkPai">排球</label>
</td>
</tr>
<tr>
<td colspan="2" style="text-align:center">
<input type="submit" value="注册"/>
<input type="reset" value="重填"/>
</td>
</tr>
</table>
</form>
</body>
</html>
registerjstl.jsp
registerjstldo.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="asp"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%> <%
request.setCharacterEncoding("utf-8");
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head> <body>
<h1>EL和JSTL</h1>
<table>
<tr>
<td>用户名：</td>
<td>${param.txtUserName}</td>
</tr>
<tr>
<td>密码：</td>
<td>${param.txtLoginPwd}</td>
</tr>
<tr>
<td>性别：</td>
<td>
<asp:if test='${param.rdoSex=="1"}'>
男
</asp:if>
<asp:if test='${param.rdoSex=="0"}'>
女
</asp:if>
</td>
</tr>
<tr>
<td>学历：</td>
<td>${param.selEdu}</td>
</tr>
<tr>
<td>爱好：</td>
<td>
<asp:forEach var="hibby" items="${paramValues.chkHibby}" varStatus="item">
${hibby}
<asp:if test="${item.index != fn:length(paramValues.chkHibby) - 1 }">
,
</asp:if>
</asp:forEach>
</td>
</tr>
</table>
</body>
</html>
registerjstldo.jsp
