初始项目

src/com/ssm/controller/FirstController.java

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+package com.ssm.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class FirstController {
+	@RequestMapping("hello")
+	public String hello() {
+		System.out.println("1111");
+		return "showFirst";
+	}
+}

src/com/ssm/controller/ItemCategoryController.java

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+package com.ssm.controller;
+
+import com.ssm.entity.ItemCategory;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.servlet.ModelAndView;
+
+@Controller
+@RequestMapping("itemCategory")
+public class ItemCategoryController {
+
+	//对象方式接收数据，ModelAndView对象响应数据
+	@RequestMapping("add")
+	public ModelAndView test(ItemCategory itemCategory){
+		//创建ModelAndView对象的同时设置了view的信息
+		ModelAndView mv=new ModelAndView("showItemCategory");
+		//将这个对象category保存到ModelAndView对象中
+		mv.addObject("itemCategoryInfo", itemCategory);
+		return mv;
+	}
+
+}

src/com/ssm/controller/ItemController.java

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+package com.ssm.controller;
+
+import com.ssm.entity.Item;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+@RequestMapping("item")
+public class ItemController {
+
+	//对象方式接收花卉信息
+	@RequestMapping("add")
+	public String test(Item item){
+		System.out.println("花卉信息："+item.toString());
+		return "showItem";
+	}
+
+}

src/com/ssm/entity/Item.java

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+package com.ssm.entity;
+
+/**
+ * 花卉
+ */
+public class Item {
+    /**
+     * 主键
+     */
+    private Integer id;
+
+    /**
+     * 花卉名称
+     */
+    private String name;
+
+    /**
+     * 花卉价格
+     */
+    private String price;
+
+    /**
+     * 折扣
+     */
+    private Integer zk;
+
+    /**
+     * 收藏数
+     */
+    private Integer scNum;
+
+    /**
+     * 购买数
+     */
+    private Integer gmNum;
+
+    /**
+     * 主图
+     */
+    private String url1;
+
+    /**
+     * 副图1
+     */
+    private String url2;
+
+    /**
+     * 副图2
+     */
+    private String url3;
+
+    /**
+     * 副图3
+     */
+    private String url4;
+
+    /**
+     * 副图4
+     */
+    private String url5;
+
+    /**
+     * 描述
+     */
+    private String ms;
+
+    /**
+     * 类别id一级
+     */
+    private ItemCategory yiji;
+
+    /**
+     * 类别id二级
+     */
+    private ItemCategory erji;
+
+    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;
+    }
+
+    public String getPrice() {
+        return price;
+    }
+
+    public void setPrice(String price) {
+        this.price = price;
+    }
+
+    public Integer getZk() {
+        return zk;
+    }
+
+    public void setZk(Integer zk) {
+        this.zk = zk;
+    }
+
+    public Integer getScNum() {
+        return scNum;
+    }
+
+    public void setScNum(Integer scNum) {
+        this.scNum = scNum;
+    }
+
+    public Integer getGmNum() {
+        return gmNum;
+    }
+
+    public void setGmNum(Integer gmNum) {
+        this.gmNum = gmNum;
+    }
+
+    public String getUrl1() {
+        return url1;
+    }
+
+    public void setUrl1(String url1) {
+        this.url1 = url1;
+    }
+
+    public String getUrl2() {
+        return url2;
+    }
+
+    public void setUrl2(String url2) {
+        this.url2 = url2;
+    }
+
+    public String getUrl3() {
+        return url3;
+    }
+
+    public void setUrl3(String url3) {
+        this.url3 = url3;
+    }
+
+    public String getUrl4() {
+        return url4;
+    }
+
+    public void setUrl4(String url4) {
+        this.url4 = url4;
+    }
+
+    public String getUrl5() {
+        return url5;
+    }
+
+    public void setUrl5(String url5) {
+        this.url5 = url5;
+    }
+
+    public String getMs() {
+        return ms;
+    }
+
+    public void setMs(String ms) {
+        this.ms = ms;
+    }
+
+    public ItemCategory getYiji() {
+        return yiji;
+    }
+
+    public void setYiji(ItemCategory yiji) {
+        this.yiji = yiji;
+    }
+
+    public ItemCategory getErji() {
+        return erji;
+    }
+
+    public void setErji(ItemCategory erji) {
+        this.erji = erji;
+    }
+
+    @Override
+    public String toString() {
+        return "Item{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", price='" + price + '\'' +
+                ", zk=" + zk +
+                ", scNum=" + scNum +
+                ", gmNum=" + gmNum +
+                ", url1='" + url1 + '\'' +
+                ", url2='" + url2 + '\'' +
+                ", url3='" + url3 + '\'' +
+                ", url4='" + url4 + '\'' +
+                ", url5='" + url5 + '\'' +
+                ", ms='" + ms + '\'' +
+                // 输出一级商品分类名称
+                ", yijiCategoryName=" + yiji.getName() +
+                // 输出二级商品分类名称
+                ", erjiCategoryName=" + erji.getName() +
+                '}';
+    }
+
+    public void printInfo() {
+        //int i=10/0;//测试异常通知
+        System.out.println("产品名称："+name+"\n产品售价："+price+
+                "\n一级分类编号："+yiji.getId()+
+                "\n一级分类名称："+yiji.getName()+
+                "\n二级分类编号："+erji.getId()+
+                "\n二级分类名称："+erji.getName());
+    }
+}

src/com/ssm/entity/ItemCategory.java

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+package com.ssm.entity;
+
+/**
+ * 类目
+ */
+public class ItemCategory {
+
+    /**
+     * 主键id
+     */
+    private Integer id;
+
+    /**
+     * 类目名称
+     */
+    private String name;
+
+    /**
+     * 父id
+     */
+    private Integer pid;
+
+    /**
+     * 是否已删除
+     */
+    private Integer isDelete;
+
+    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;
+    }
+
+    public Integer getPid() {
+        return pid;
+    }
+
+    public void setPid(Integer pid) {
+        this.pid = pid;
+    }
+
+    public Integer getIsDelete() {
+        return isDelete;
+    }
+
+    public void setIsDelete(Integer isDelete) {
+        this.isDelete = isDelete;
+    }
+
+}

src/springmvc.xml

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+<?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:context="http://www.springframework.org/schema/context"
+	   xmlns:mvc="http://www.springframework.org/schema/mvc"
+
+	   xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
+		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tool http://www.springframework.org/schema/tool/spring-tool.xsd http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc.xsd">
+	<!-- 配置注解扫描器，配置spring容器初始化对象时需要扫描的包 -->
+	<context:component-scan base-package="com.ssm.controller"></context:component-scan>
+	<!-- 配置视图解析器,ctrl+shift+t搜索类，将return的字符串（逻辑视图）+前缀+后缀，转换成真正的物理视图 -->
+	<!-- 逻辑视图：success,真正的视图：/WEB-INF/view/success.jsp -->
+	<!--  -->
+	<!-- 配置注解驱动 -->
+	<mvc:annotation-driven/>
+	<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
+	<!-- 前缀 -->
+		<property name="prefix" value="/WEB-INF/view/"></property>
+	<!-- 后缀 -->
+		<property name="suffix" value=".jsp"></property>
+	</bean>
+	<bean class="org.springframework.format.support.FormattingConversionServiceFactoryBean">
+
+	</bean>
+</beans>

web/WEB-INF/view/showFirst.jsp

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+<%@ 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=UTF-8">
+<title>展示入门程序信息</title>
+</head>
+<body>
+Success!
+</body>
+</html>

web/WEB-INF/view/showItem.jsp

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+<%@ 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=UTF-8">
+<title>展示Controller接收及响应数据</title>
+</head>
+<body>
+Success!
+<br>
+商品信息已在控制台输出！
+<%--<br>--%>
+<%--商品名称：${productInfo.pname}--%>
+<%--<br>--%>
+<%--是否热门：${productInfo.isHot}--%>
+<%--<br>--%>
+<%--市场价格：${productInfo.marketPrice}--%>
+<%--<br>--%>
+<%--销售价格：${productInfo.shopPrice}--%>
+<%--<br>--%>
+<%--商品图片：${productInfo.image}--%>
+<%--<br>--%>
+<%--分类名称：${productInfo.category.cname}--%>
+<%--<br>--%>
+<%--商品描述：${productInfo.pdesc}--%>
+<%--<br>--%>
+<%--上架日期：${productInfo.pdate}--%>
+</body>
+</body>
+</html>

web/WEB-INF/view/showItemCategory.jsp

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+<%@ 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=UTF-8">
+<title>展示花卉类目信息</title>
+</head>
+<body>
+Success!
+<br>
+类目编号：${itemCategoryInfo.id}
+<br>
+类目名称：${itemCategoryInfo.name}
+</body>
+</html>

web/WEB-INF/web.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
+  <display-name>SpringMVCFirst</display-name>
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+    <welcome-file>index.htm</welcome-file>
+    <welcome-file>index.jsp</welcome-file>
+    <welcome-file>default.html</welcome-file>
+    <welcome-file>default.htm</welcome-file>
+    <welcome-file>default.jsp</welcome-file>
+  </welcome-file-list> 
+  <servlet>
+    <servlet-name>springDispatcherServlet</servlet-name>
+    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
+    <!-- 配置DispatcherServlet的初始化参数 -->
+    <init-param>
+      <param-name>contextConfigLocation</param-name>
+      <!-- 配置SpringMVC配置文件的位置和名称-->
+      <param-value>classpath:springmvc.xml</param-value>
+    </init-param>
+    <!-- 该servlet在第一次加载的时候就被创建，而不是等请求时才创建 -->
+    <load-on-startup>1</load-on-startup>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>springDispatcherServlet</servlet-name>
+    <!-- 可以应答所有请求 -->
+    <url-pattern>/</url-pattern>
+  </servlet-mapping> 
+    <!--编码过滤器，解决中文乱码问题-->
+  <filter>
+    <filter-name>characterEncodingFilter</filter-name>
+    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
+    <init-param>
+      <param-name>encoding</param-name>
+      <param-value>UTF-8</param-value>
+    </init-param>
+  </filter>
+  <filter-mapping>
+    <filter-name>characterEncodingFilter</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+  
+</web-app>

web/addItem.jsp

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+<%@ 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=UTF-8">
+<title>添加花卉</title>
+</head>
+<body>
+<form action="item/add" method="post">
+	<table>
+		<tr>
+			<td>花卉编号：</td>
+			<td width="20"></td>
+			<td><input type="text" name="id" placeholder="请输入花卉编号" /></td>
+		</tr>
+		<tr>
+			<td>花卉名称：</td>
+			<td width="20"></td>
+			<td><input type="text" name="name" placeholder="请输入花卉名称" /></td>
+		</tr>
+		<tr>
+			<td>花卉价格：</td>
+			<td width="20"></td>
+			<td><input type="text" name="price" value="" class="bg" placeholder="请输入花卉价格" /></td>
+		</tr>
+		<tr>
+			<td>折扣：</td>
+			<td width="20"></td>
+			<td><input type="text" name="zk" value="" placeholder="请输入折扣" /></td>
+		</tr>
+		<tr>
+			<td>花卉一级类目：</td>
+			<td width="20"></td>
+			<td><input type="text" name="yiji.name" placeholder="请输入一级类目" /></td>
+		</tr>
+		<tr>
+			<td>花卉二级类目：</td>
+			<td width="20"></td>
+			<td><input type="text" name="erji.name" placeholder="请输入二级类目" /></td>
+		</tr>
+		<tr>
+			<td>商品主图：</td>
+			<td width="20"></td>
+			<td><input type="file" name="url1" /></td>
+		</tr>
+		<tr>
+			<td>副图1：</td>
+			<td width="20"></td>
+			<td><input type="file" name="url2" /></td>
+		</tr>
+		<tr>
+			<td>描述：</td>
+			<td width="20"></td>
+			<td><textarea name="ms" rows="5" cols="35"></textarea></td>
+		</tr>
+		<tr>
+			<td align="right"><input type="reset" value="重置"></td>
+			<td></td>
+			<td align="center">
+				<input type="submit" value="添加">
+			</td>
+		</tr>
+	</table>
+</form>
+</body>
+</html>

web/addItemCategory.jsp

@@ -0,0 +1,19 @@
+<%@ 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=UTF-8">
+<title>添加花卉类目信息</title>
+</head>
+<body>
+<form action="itemCategory/add" method="post">
+	类目编号：<input type="text" name="id">
+	<br>
+	类目名称：<input type="text" name="name">
+	<br>
+	<input type="submit" value="添加">
+</form>
+
+</body>
+</html>

web/first.jsp

@@ -0,0 +1,12 @@
+<%@ 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=UTF-8">
+<title>入门程序</title>
+</head>
+<body>
+<a href="hello">hello world</a>
+</body>
+</html>