相关知识点：
1. 需要导包的地方通过以下方式导入
<%@ page import="包路径" %>
2. 可以使用以下方式创建指定的元素
out.print("标签");
3. 使用<%= %>表达式输出内容
4. 使用<% %>小脚本编写Java语句
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@ page import="io.zhangjia.test.Book" %>
<%@ page import="java.util.*" %>
<!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">
<style type="text/css">
table{
width: 40%;
border: 1px #000 solid;
border-spacing: 0; /*设置相邻单元格的边框间的距离为0*/
border-collapse: collapse;/*合并边框*/
}
td,th{
border: 1px #000 solid;
}
</style>
<title>Insert title here</title>
</head>
<body>
<!-- 用表格的形式显示99乘法表 -->
<table>
<%
for (int i = 1; i < 10; i++) {
out.print("<tr>");
for (int j = 1; j <= i; j++) {
out.println("<td>" + j + "*" + i + "=" + (i * j) + "\t" + "</td>");
}
out.print("</tr>");
}
%>
</table>
<!-- 用表格的形式显示Book类的对象 -->
<%
List<Book> books = new ArrayList<>();
books.add(new Book(1001,"西游记","吴承恩",19.9));
books.add(new Book(1002,"西游记","吴承恩",29.9));
books.add(new Book(1003,"西游记","吴承恩",39.9));
books.add(new Book(1004,"西游记","吴承恩",49.9));
%>
<table>
<tr>
<th>编号</th>
<th>书名</th>
<th>作者</th>
<th>价格</th>
</tr>
<%
for(Book book: books) {
out.println("<tr>");
out.println("<td>" + book.getBookId()+"</td>");
out.println("<td>" + book.getName()+"</td>");
out.println("<td>" + book.getAuthor()+"</td>");
out.println("<td>" + book.getPrice()+"</td>");
out.println("</tr>");
}
%>
</table>
</body>
</html>
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