jsp页面的使用
<%@ page language=“java” contentType=“text/html; charset=UTF-8”
pageEncoding=“UTF-8”%>
squre(double r) {
this.r = r;
}
public double getarea() {
return r * r;
}
public double getlength() {
return r * 4;
}
}%>
类的方法的调用
<%=new squre(3).getarea()%>
<%=new squre(3).getlength()%>
页面的重定向
<%
String username=request.getParameter(“name”);
String password=request.getParameter(“password”);
if(username.equals(“shixinfa”)&&password.equals(“123456”)){%>
<jsp:forward page=“success.jsp”></jsp:forward>
<%} else{%>
<jsp:forward page=“error.jsp”></jsp:forward>
<% }
%>
提交表单
public class Student {
private String name;
private int age;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}