<dependency>
<groupld>javax.servlet.jsp</groupld>
<artifactld>jsp-api</artifactld>
<version>2.2</version>
<scope>provided</scope>
</dependency>
<body>
<h1>hello jsp~<h1>
<%System.out.printf("jsp,hello~");%>
<body>
${brands} :获取域中存储的key为brands的数据
<c:if test="$(flag==1}">
男
</c:if>
<c:if test="$(flag==2)">
女
</c:if>
<dependency>
<groupld>jstl</groupld>
<artifactld>jstl</artifactld>
<version>1.2</version>
</dependency>
<dependency>
<groupld>taglibs</groupld>
<artifactld>standard</artifactld>
<version>1.1.2</version>
</dependency>
<%@taglib prefix = "c" uri = "http://java.sun.com/jsp/jstl/core"%>
<c:if>:相当于if判断
<c:if>
<c:if test="true">
<h1>true</h1>
</c:if>
<c:if test="false">
<h1>false</h1>
</c:if>
<c:foreach>:相当于for循环
<c:forEach items="${brands}"var="brand">
<tr align="center">
<td>${brand.id}</td>
<td>${brand.brandName}</td>
<td>${brand.companyName}</td>
<td>${brand.description}</td>
</tr>
</c:forEach>
for (Brandbrand:brands){
Integer id = brand.getld();
String imgUrl = brand.getlmgUrl();
String brandName = brand.getBrandName();
String companyName = brand.getCompanyName();
}
<c:forEach begin="O"end="10"step="1"var="i">
${i}
</c:forEach>
for (int i=0;i<=10;i++){
System.out.println(i)
}