正在回答
你好,你把taglib中的uri换下:<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
如果还有问题,可以再次提问。祝学习愉快~
package com.imooc.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class Jstl
*/
@WebServlet("/Jstl")
public class Jstl extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int[] a=new int[100];
for(int i=0,j=100;i<100;i++){
a[i]=j;
j++;
}
request.setAttribute("array", a);
request.getRequestDispatcher("/JSETjsp.jsp").forward(request, response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>JSTL练习</title>
</head>
<body>
<c:out value="既能被4整除又能被5整除的数据有:"></c:out>
<c:foreach items="${array}" var="int">
<c:if test="${int%4==0&&int%5==0}">
<c:out value="${int}"></c:out>
</c:if>
</c:foreach>
</body>
</html>
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