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springmvc整合
<component name="ArtifactManager">
<artifact type="exploded-war" name="springmvc:war exploded">
<output-path>$PROJECT_DIR$/out/artifacts/springmvc_war_exploded</output-path>
<root id="root">
<element id="javaee-facet-resources" facet="springmvc/web/Web" />
<element id="directory" name="WEB-INF">
<element id="directory" name="classes">
<element id="module-output" name="springmvc" />
</element>
</element>
</root>
</artifact>
</component>
<component name="libraryTable">
<library name="lib">
<CLASSES>
<root url="file://$PROJECT_DIR$/web/WEB-INF/lib" />
</CLASSES>
<JAVADOC />
<SOURCES />
<jarDirectory url="file://$PROJECT_DIR$/web/WEB-INF/lib" recursive="false" />
</library>
</component>
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8 (1)" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/springmvc.iml" filepath="$PROJECT_DIR$/springmvc.iml" />
</modules>
</component>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="web" name="Web">
<configuration>
<descriptors>
<deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/web/WEB-INF/web.xml" />
</descriptors>
<webroots>
<root url="file://$MODULE_DIR$/web" relative="/" />
</webroots>
</configuration>
</facet>
<facet type="Spring" name="Spring">
<configuration />
</facet>
</component>
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" scope="PROVIDED" name="tomcat-9.0.7" level="application_server_libraries" />
<orderEntry type="library" name="lib" level="project" />
</component>
</module>
package cn.itheima.controller;
import cn.itheima.pojo.Items;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
import java.util.ArrayList;
import java.util.List;
/**
* author: zzw5005
* date: 2018/6/23 14:38
*/
@Controller
public class ItemsController {
//指定url到请求方法的映射
//url中输入一个地址,找到这个方法,例如localhost:8080/springmvc/list.action
@RequestMapping("/list")
public ModelAndView itemsList() throws Exception{
List<Items> itemList = new ArrayList<>();
//商品列表
Items items_1 = new Items();
items_1.setName("联想笔记本");
items_1.setPrice(6000f);
items_1.setDetail("ThinkPad T430 联想笔记本电脑!");
Items items_2 = new Items();
items_2.setName("苹果手机");
items_2.setPrice(5000f);
items_2.setDetail("iphoneS6苹果手机!");
itemList.add(items_1);
itemList.add(items_2);
//模型与视图
//model模型:模型对象中存放了返回给页面的数据
//view视图:视图对象中指定了返回的页面的位置
ModelAndView modelAndView = new ModelAndView();
//将返回给页面的数据放入模型和视图对象中
modelAndView.addObject("itemList",itemList);
//指定返回的页面位置
modelAndView.setViewName("itemList");
return modelAndView;
}
}
package cn.itheima.pojo;
import java.util.Date;
public class Items {
private Integer id;
private String name;
private Float price;
private String pic;
private Date createtime;
private String detail;
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name == null ? null : name.trim();
}
public Float getPrice() {
return price;
}
public void setPrice(Float price) {
this.price = price;
}
public String getPic() {
return pic;
}
public void setPic(String pic) {
this.pic = pic == null ? null : pic.trim();
}
public Date getCreatetime() {
return createtime;
}
public void setCreatetime(Date createtime) {
this.createtime = createtime;
}
public String getDetail() {
return detail;
}
public void setDetail(String detail) {
this.detail = detail == null ? null : detail.trim();
}
}
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:dubbo="http://code.alibabatech.com/schema/dubbo"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
http://code.alibabatech.com/schema/dubbo
http://code.alibabatech.com/schema/dubbo/dubbo.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd">
<!-- 配置@Controller注解扫描 -->
<context:component-scan base-package="cn.itheima.controller"></context:component-scan>
<!-- 如果没有显示的配置处理器映射器和处理器适配那么springMvc会去默认的dispatcherServlet.properties中查找,
对应的处理器映射器和处理器适配器去使用,这样每个请求都要扫描一次他的默认配置文件,效率非常低,会降低访问速度,所以要显示的配置处理器映射器和
处理器适配器 -->
<!-- 注解形式的处理器映射器 -->
<!-- <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"></bean> -->
<!-- 注解形式的处理器适配器 -->
<!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"></bean> -->
<!-- 配置最新版的注解的处理器映射器 -->
<!-- <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"></bean> -->
<!-- 配置最新版的注解的处理器适配器 -->
<!-- <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"></bean> -->
<!-- 注解驱动:
作用:替我们自动配置最新版的注解的处理器映射器和处理器适配器
-->
<mvc:annotation-driven></mvc:annotation-driven>
<!-- 配置视图解析器
作用:在controller中指定页面路径的时候就不用写页面的完整路径名称了,可以直接写页面去掉扩展名的名称
-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 真正的页面路径 = 前缀 + 去掉后缀名的页面名称 + 后缀 -->
<!-- 前缀 -->
<property name="prefix" value="/WEB-INF/jsp/"></property>
<!-- 后缀 -->
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
<%--
Created by IntelliJ IDEA.
User: weixin
Date: 2018/6/23
Time: 11:13
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>$Title$</title>
</head>
<body>
$END$
</body>
</html>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<!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=UTF-8">
<title>查询商品列表</title>
</head>
<body>
<form action="${pageContext.request.contextPath }/item/queryitem.action" method="post">
查询条件:
<table width="100%" border=1>
<tr>
<td><input type="submit" value="查询"/></td>
</tr>
</table>
商品列表:
<table width="100%" border=1>
<tr>
<td>商品名称</td>
<td>商品价格</td>
<td>生产日期</td>
<td>商品描述</td>
<td>操作</td>
</tr>
<c:forEach items="${itemList }" var="item">
<tr>
<td>${item.name }</td>
<td>${item.price }</td>
<td><fmt:formatDate value="${item.createtime}" pattern="yyyy-MM-dd HH:mm:ss"/></td>
<td>${item.detail }</td>
<td><a href="${pageContext.request.contextPath }/itemEdit.action?id=${item.id}">修改</a></td>
</tr>
</c:forEach>
</table>
</form>
</body>
</html>
<?xml version="1.0" encoding="UTF-8"?>
<web-app 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_4_0.xsd"
version="4.0">
<!--springMvc前端控制器-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<!--
如果没有指定springMvc的核心配置文件,
那么默认会去找/WEB-INF/+<servlet-name>(这个name就是springmvc)中的内容 + -servlet.xml配置文件
-->
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:SpringMvc.xml</param-value>
</init-param>
<!--tomact启动的时候就加载这个servlet-->
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>
</web-app>
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