Spring mvc 使用配置:
<!-- 使用MVC --> <servlet> <servlet-name>defaultDispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <!-- Spring XML 文件 --> <param-value>classpath:school-context.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>defaultDispatcher</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping>
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc" 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-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<bean name="/test1/helloworld" class="com.yinuo.web.controller.HelloWorldController" /> <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/"></property> <property name="suffix" value=".jsp"></property> </bean> </beans>
访问静态资源（js、css、img等）
<!-- 访问静态资源 --> <mvc:resources location="/js/" mapping="/js/**"/> <mvc:resources location="/img/" mapping="/img/**"/> <mvc:resources location="/css/" mapping="/css/**"/>
Spring mvc 注解:
<!-- 注解扫描包 --> <context:component-scan base-package="cn.com.yinuo.school"></context:component-scan> <!-- 开启注解 --> <mvc:annotation-driven/> <!-- 上面开启注解的方式是下面开启注解方式的优化，下面的方式在3之后就过时了 --> <!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /> <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"></bean> -->
@Controller
@RequestMapping("/book") public class UserController { @RequestMapping(value="/addBook",method=RequestMethod.POST) public ModelAndView addBook(){ String result ="this is addBook------"; return new ModelAndView("/bookList","result",result); } @RequestMapping(value="/delBook",method=RequestMethod.GET) public ModelAndView delUser(){ String result ="this is delBook------"; return new ModelAndView("/bookList","result",result); }
//去掉method=RequestMethod.GET /.POST表示两者皆可 @RequestMapping("/updateBook") public String updateBook(){ return "/bookList"; } }
Spring 参数传递：
单个域传递：
Controller方法的参数名字与表单域的名字一致，即可直接获得表单的数据
对象封装传递：
封装到一个bean里面。bean的属性名与表单域的name属性名称一致，并且bean提供getter和setter方法，在controller即可直接bean.getXxx()获得。
json传递
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <script type="text/javascript" src="../js/jquery-1.7.1.min.js"></script> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>新增书籍</title> <script type="text/javascript"> $(document).ready(function(){ $("#add").click(function(){ var bookName = $("#bookName").attr("value"); var price =$("#price").attr("value"); var book = {bookName:bookName,price:price}; $.ajax({ url:"/book/addBook", type:"post", data:book, success:function(bk){ console.info("bookName--->" + bk.bookName + "price--->" + bk.price ); } }); }); }); </script> </head> <body> <h>新增书籍</h> 书名<input type="text" id="bookName" name="bookName"> 价格<input type="text" id="price" name="price"> <input type="button" id="add" value="新增"> </body> </html>
@Controller @RequestMapping("/book") public class BookController { @RequestMapping("/addBook") public void addUserJson(Book book,HttpServletRequest request,HttpServletResponse response){ String result = "{"bookName":" "+ book.getBookName() +" ","price":" "+ book.getPrice()+" "}"; PrintWriter out = null; response.setContentType("application/json"); try { out = response.getWriter(); out.write(result); } catch (IOException e) { e.printStackTrace(); } } }