spring mvc —— 簡單的Spring MVC應用 3（1）

<dependencies>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>javax.servlet-api</artifactId>
			<version>3.1.0</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>4.2.4.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
			<scope>runtime</scope>
		</dependency>
	</dependencies>
           

     web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.1" 
		xmlns="http://xmlns.jcp.org/xml/ns/javaee" 
    	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
			http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
> 
	<servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>
            org.springframework.web.servlet.DispatcherServlet
        </servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    
</web-app>
           

     servlet dispatcher——springmvc-servlet 固定寫法 預設WEB-INF下， -servlet 字首同 web.xml servlet-name

<servlet-name>springmvc</servlet-name>
           

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
       http://www.springframework.org/schema/beans/spring-beans.xsd">
       
    <bean name="/input-product" class="controller.InputProductController"/>
    <bean name="/save-product" class="controller.SaveProductController"/>

</beans>
           

     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 domain.Product;
import form.ProductForm;

public class SaveProductController implements Controller {

    private static final Log logger = LogFactory
            .getLog(SaveProductController.class);

    @Override
    public ModelAndView handleRequest(HttpServletRequest request,
            HttpServletResponse response) throws Exception {
        logger.info("SaveProductController called");
        ProductForm productForm = new ProductForm();
        // populate action properties
        productForm.setName(request.getParameter("name"));
        productForm.setDescription(request.getParameter("description"));
        productForm.setPrice(request.getParameter("price"));

        // create model
        Product product = new Product();
        product.setName(productForm.getName());
        product.setDescription(productForm.getDescription());
        try {
            product.setPrice(Float.parseFloat(productForm.getPrice()));
        } catch (NumberFormatException e) {
        }

        // insert code to save Product

        return new ModelAndView("/WEB-INF/jsp/ProductDetails.jsp", "product",
                product);
    }

}
           

       源碼 ： https://github.com/kaifengxu/spring-mvc-xuexizhinan/tree/master/chapter-03/sts/springmvc-intro1