首先应该创建一个JavaBean
package pojo;
public class Product {
private int id;
private String name;
private float price;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public float getPrice() {
return price;
}
public void setPrice(float price) {
this.price = price;
}
}
创建controller类,中写入add方法,可以对物品进行添加名字和价格
package controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import pojo.Product;
@Controller
public class ProductController {
@RequestMapping("/aaddProduct")
public ModelAndView add(Product p) throws Exception{
ModelAndView mav = new ModelAndView ("shpwProduct");
return mav;
}
}
这里值得注意的是使用的是“服务端跳转”,客户端跳转,也就是重定向应该这样写
ModelAndView mav = new ModelAndView ("redirect:/shpwProduct");
写两个jsp页面,分别是添加和显示
addProduct.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8" 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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="aaddProduct">
产品名称:<input name="name" type="text" value=""><br/>
产品价格: <input name="price" type="text" value=""><br/>
<input type="submit" value="增加商品">
</form>
</body>
</html>
shpwProduct.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
产品名称:${product.name}<br/>
产品价格:${product.price}
</body>
</html>
启动tomcat服务器输入http://127.0.0.1:8080/springmvc-c03/addProduct.jsp