Product

package com.mstf.bean;import java.io.Serializable;/** * Product类，封装了一些信息，包含三个属性 * @author wangzheng * */public class Product implements Serializable {	private static final long serialVersionUID = 1L;		private String name;	private String description;	private float price;		public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}	public String getDescription() {		return description;	}	public void setDescription(String description) {		this.description = description;	}	public float getPrice() {		return price;	}	public void setPrice(float price) {		this.price = price;	}	}

　　ProductForm

package com.mstf.bean.form;/** * ProductForm是表单类 * 作用：当数据校验失败时，用于保存和展示用户在原始表单的输入 * @author wangzheng * */public class ProductForm {	private String name;	private String description;	private String price;	public String getName() {		return name;	}	public void setName(String name) {		this.name = name;	}	public String getDescription() {		return description;	}	public void setDescription(String description) {		this.description = description;	}	public String getPrice() {		return price;	}	public void setPrice(String price) {		this.price = price;	}	}

　　InputProductController

package com.mstf.controller;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.mvc.Controller;public class InputProductController implements Controller {	private static final Log logger=LogFactory.getLog(InputProductController.class);		/**	 * 返回一个ModelAndView，包含视图，且没有模型，所有直接转发	 */	@Override	public ModelAndView handleRequest(HttpServletRequest req,HttpServletResponse resp) throws Exception {		logger.info("进入handleRequest成功");		return new ModelAndView("/WEB-INF/jsp/ProductForm.jsp");	}}

　　SaveProductController

package com.mstf.controller;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.mvc.Controller;import com.mstf.bean.Product;import com.mstf.bean.form.ProductForm;public class SaveProductController implements Controller {		private static final Log logger=LogFactory.getLog(InputProductController.class);		@Override	public ModelAndView handleRequest(HttpServletRequest req,HttpServletResponse resp) throws Exception {		req.setCharacterEncoding("UTF-8"); //转码        resp.setCharacterEncoding("UTF-8");		logger.info("进入SaveProductController成功");		// 构建一个ProductForm表单对象         ProductForm productForm = new ProductForm();        // 写入表单对象        productForm.setName(req.getParameter("name"));        productForm.setDescription(req.getParameter("description"));        productForm.setPrice(req.getParameter("price"));        // 创建模型        Product product = new Product();        product.setName(productForm.getName());        product.setDescription(productForm.getDescription());        try {            product.setPrice(Float.parseFloat(productForm.getPrice()));        } catch (Exception e) {        	e.printStackTrace();        }        return new ModelAndView("/WEB-INF/jsp/ProductDetails.jsp", "product",product);	}}

　　ProductDetails.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>
     	
     
    
      
产品已保存
    
      
        
      
详细列表:
        	名称: ${product.name}
      
        	简介: ${product.description}
      
        	价格: ￥${product.price}    
      
     

　　ProductForm.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"    pageEncoding="UTF-8"%>
     	
     
		
      
			
       
				
        
添加：
					
        
					    名称: 								            
		            
        
					    简介: 											
		            
        
		    			价格: 											
					
        
																	
			
       
		
      
	
     

　　springmvc-servlet.xml

　　web.xml

     
      		
              
       
        springmvc
               
       
                    org.springframework.web.servlet.DispatcherServlet        
               
       
        1
           
          
              
       
        springmvc
               
       
        *.action