本文详细介绍了如何配置Maven Web项目，包括pom.xml的依赖管理、资源文件加载、构建插件设置，以及Spring MVC框架的整合，实现了一个简单的图书管理系统。
配置maven web项目：
第一步：
配置文件：
pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.zit</groupId>
<artifactId>springmvc04</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>springmvc04</name>
<dependencies>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.12</version>
<scope>test</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.mybatis/mybatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.4.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>8.0.12</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.2</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.0.9.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/javax.servlet.jsp/jsp-api -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>2.2.1-b03</version>
<scope>provided</scope>
</dependency>
<!-- https://mvnrepository.com/artifact/javax.servlet/jstl -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.codehaus.jackson/jackson-mapper-asl -->
<dependency>
<groupId>org.codehaus.jackson</groupId>
<artifactId>jackson-mapper-asl</artifactId>
<version>1.9.13</version>
</dependency>
<!-- https://mvnrepository.com/artifact/com.fasterxml.jackson.core/jackson-databind -->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.6</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload -->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency>
<!-- https://mvnrepository.com/artifact/commons-io/commons-io -->
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.6</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<testSourceDirectory>src/test/java</testSourceDirectory>
<sourceDirectory>src/main/java</sourceDirectory>
<!-- 解决无法加载资源配置文件 -->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.properties</include>
</includes>
</resource>
<resource>
<directory>src/main/resources</directory>
<includes>
<include>**/*.xml</include>
<include>**/*.properties</include>
</includes>
</resource>
</resources>
<plugins>
<!-- 配置maven编译插件 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<!-- 配置jetty servlet服务器 -->
<plugin>
<groupId>org.eclipse.jetty</groupId>
<artifactId>jetty-maven-plugin</artifactId>
<version>9.4.12.v20180830</version>
<configuration>
<stopKey>exit</stopKey>
<stopPort>8989</stopPort>
<scanIntervalSeconds>10</scanIntervalSeconds>
<reload>manual</reload>
<webAppConfig>
<contextPath>/</contextPath>
</webAppConfig>
<httpConnector>
<port>80</port>
</httpConnector>
</configuration>
<executions>
<execution>
<id>jetty-run</id>
<phase>test</phase>
<goals>
<goal>run</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>
src/main/resources/包下：
resources/db.properties:
db.driver=com.mysql.cj.jdbc.Driver
db.url=jdbc:mysql://localhost:3306/dt_game?serverTimezone=PRC&useSSL=false&uerUnicode=true&characterEncoding=utf-8
db.username=root
db.password=
resources/mybatis-config.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<!--引入数据库服务配置文件信息-->
<!-- 加载db.properties -->
<properties resource="db.properties"/>
<typeAliases>
<!--将实体包下的类自动为别名 com.fz.entity.User 别名就是user-->
<package name="com.zit.entity"/>
</typeAliases>
<environments default="development">
<environment id="development">
<transactionManager type="JDBC"/>
<dataSource type="POOLED">
<property name="driver" value="${db.driver}"/>
<property name="url" value="${db.url}"/>
<property name="username" value="${db.username}"/>
<property name="password" value="${db.password}"/>
</dataSource>
</environment>
</environments>
<mappers>
<!-- 加载映射配置文件 -->
<!-- <mapper resource="com/zit/mapper/BookMapper.xml"/>-->
<!--使用接口-->
<!--<mapper class="com.zit.mapper.BookMapper"/>-->
<!--使用包-->
<package name="com.zit.mapper"/>
</mappers>
</configuration>
resources/smvc.xml
<?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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 配置自动扫描的包 -->
<context:component-scan base-package="com.zit.controller"/>
<!-- 在没有配置mvc:resources的时候没有问题，一旦配置了mvc:resources，注解方式的url就没有加载 -->
<mvc:annotation-driven>
<!-- 消息转换器 -->
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>
<!-- 文件上传支持 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 104857600 代表100MB -->
<property name="maxUploadSize" value="104857600"/>
<property name="maxInMemorySize" value="40960"/>
<property name="defaultEncoding" value="UTF-8"></property>
</bean>
<!-- <mvc:interceptors>
<mvc:interceptor>
<mvc:mapping path="/admin/**"/>
<mvc:exclude-mapping path="/admin/login"/>
<bean class="com.zit.interceptor.TestInterceptor"/>
</mvc:interceptor>
</mvc:interceptors>-->
<!--<mvc:resources mapping="/images/**" location="/images/" />-->
<!-- 配置视图解析器 如何把handler 方法返回值解析为实际的物理视图 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/template/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
src/main/webapp/WEB-INF/web.xml文件：
<?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">
<display-name>springmvc04</display-name>
<!--springmvc 5.1.0 servlet配置-->
<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:smvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<!-- spring filter 编码过滤器 -->
<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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- <!–访问静态资源–>
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.html</url-pattern>
<url-pattern>*.css</url-pattern>
<url-pattern>*.js</url-pattern>
<url-pattern>*.jpg</url-pattern>
<url-pattern>*.gif</url-pattern>
<url-pattern>*.png</url-pattern>
<url-pattern>*.rar</url-pattern>
</servlet-mapping>-->
<servlet-mapping>
<servlet-name>default</servlet-name>
<url-pattern>*.css</url-pattern>
<url-pattern>*.ico</url-pattern>
</servlet-mapping>
<!--配置web项目的web.xml文件的首页-->
<welcome-file-list>
<welcome-file>/</welcome-file>
<welcome-file>index.html</welcome-file>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
第二步：各种包下的文件：
src/main/java
java/com.zit/controller/BookController.java
package com.zit.controller;
import com.zit.dao.BookService;
import com.zit.dao.BookServiceImpl;
import com.zit.entity.Book;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.*;
@Controller
public class BookController {
protected BookService bdao = new BookServiceImpl();
@RequestMapping
public String index(Model model) {
//model.addAttribute("user","李思思");
model.addAttribute("books", bdao.query());
return "index";
}
@GetMapping("/del/{id}")
public String delete(@PathVariable("id") int id) {
bdao.deleteById(id);
return "redirect:/";
}
@GetMapping("/add")
public void add() {
}
@PostMapping("/addsave")/* @ResponseBody*/
public String addsave(Book book) {
bdao.add(book);
return "redirect:/";
// return book.toString();
}
@GetMapping("/update/{id}")
public String update(@PathVariable("id") int id, Model model) {
model.addAttribute("book", bdao.queryById(id));
return "update";
}
@PostMapping("/updatesave")
public String updatesave(Book book) {
bdao.update(book);
return "redirect:/";
}
}
java/com.zit.dao/BookService()interface
package com.zit.dao;
import com.zit.entity.Book;
import java.util.List;
public interface BookService {
public List<Book> query();
public int deleteById(int id);
public int add(Book book);
public Book queryById(int id);
public int update(Book book);
}
java/com.zit.dao/BookServiceImpl.java
package com.zit.dao;
import com.zit.entity.Book;
import com.zit.mapper.BookMapper;
import org.apache.ibatis.session.SqlSession;
import java.util.List;
public class BookServiceImpl implements BookService {
protected SqlSession session;
protected BookMapper bmdao;
public BookServiceImpl() {
this.session = new MybatisUtil().getSession();
this.bmdao = session.getMapper(BookMapper.class);
}
@Override
public List<Book> query() {
return bmdao.query();
}
@Override
public int deleteById(int id) {
int i = bmdao.deleteById(id);
session.commit();
return i;
}
@Override
public int add(Book book) {
int i = bmdao.add(book);
session.commit();
return i;
}
@Override
public Book queryById(int id) {
return bmdao.queryById(id);
}
@Override
public int update(Book book) {
int i = bmdao.update(book);
session.commit();
return i;
}
}
java/com.zit.dao/MybatisUtil.java
package com.zit.dao;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import java.io.IOException;
import java.io.InputStream;
public class MybatisUtil {
private SqlSessionFactory sf;
private SqlSession ss;
public MybatisUtil() {
InputStream is = null;
try {
is = Resources.getResourceAsStream("mybatis-config.xml");
} catch (IOException e) {
e.printStackTrace();
}
this.sf = new SqlSessionFactoryBuilder().build(is);
this.ss = this.sf.openSession();
}
public SqlSession getSession() {
return this.ss;
}
}
java/com.zit.entity包
java/com.zit.entity/Book.java
package com.zit.entity;
import lombok.Data;
import org.springframework.format.annotation.DateTimeFormat;
import java.math.BigDecimal;
import java.util.Date;
@Data
public class Book {
private int id;
private String name;
private BigDecimal price;
@DateTimeFormat(pattern = "yyyy-MM-dd")
private Date btime;
}
java/com.zit.mapper/BookMapper.interface
package com.zit.mapper;
import com.zit.entity.Book;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import java.util.List;
public interface BookMapper {
@Select("select * from book")
public List<Book> query();
@Delete("delete from book where id=#{id}")
public int deleteById(int id);
@Insert("insert into book values(null,#{name},#{price},#{btime})")
public int add(Book book);
@Select("select * from book where id=#{id}")
public Book queryById(int id);
@Update("update book set name=#{name},price=#{price},btime=#{btime} where id=#{id}")
public int update(Book book);
}
java/com.zit.mapper/BookMapper.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.zit.mapper.BookMapper">
</mapper>
src/main/resources包
db.properties mybatis-config.xml smvc.xml文件上面已经写过了。。。
src/main/webapp
src/main/webapp/css/index.css
.tt {
width: 80%;
border-collapse: collapse;
margin: 20px auto;
}
.tt caption {
font-weight: bold;
letter-spacing: 5px;
font: 25px/55px "微软雅黑";
}
.tt tr td, .tt tr th {
border: 1px solid #d9d9d9;
padding: 8px;
text-align: center;
font: 14px/28px "微软雅黑";
}
.tt tr:hover {
background-color: #f4ffcb;
}
webapp/WEB-INF/template/add.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>图书管理系统1.0</title>
<link rel="stylesheet" href="/css/index.css">
</head>
<body>
<h3>新书籍信息</h3>
<form action="/addsave" method="post">
<table class="tt">
<tr>
<td>书籍名称</td>
<td><input type="text" name="name"></td>
</tr>
<tr>
<td>书籍价格</td>
<td><input type="text" name="price"></td>
</tr>
<tr>
<td>出版日期</td>
<td><input type="text" name="btime"></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="提交"></td>
</tr>
</table>
</form>
<a href="/">首页</a>
</body>
</html>
webapp/WEB-INF/template/index.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>图书管理系统1.0</title>
<link rel="stylesheet" href="/css/index.css">
</head>
<body>
<table class="tt">
<tr>
<th>编号</th>
<th>书籍名称</th>
<th>价格</th>
<th>出版日期</th>
<th>基本操作</th>
</tr>
<c:forEach items="${books}" var="book">
<tr>
<td>${book.id}</td>
<td>${book.name}</td>
<td>${book.price}</td>
<td><fmt:formatDate value="${book.btime}" pattern="yyyy-MM-dd"/></td>
<td><a href="/del/${book.id}.html">删除</a>
<a href="/update/${book.id}.html">编辑</a></td>
</tr>
</c:forEach>
<tr>
<td colspan="20"><a href="/add">添加新书籍</a></td>
</tr>
</table>
</body>
</html>
webapp/WEB-INF/template/update.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>图书管理系统1.0</title>
<link rel="stylesheet" href="/css/index.css">
</head>
<body>
<h3>编辑图书:${book.name}</h3>
<form action="/updatesave" method="post">
<input type="hidden" name="id" value="${book.id}">
<table class="tt">
<tr>
<td>书籍名称</td>
<td><input type="text" name="name" value="${book.name}"></td>
</tr>
<tr>
<td>书籍价格</td>
<td><input type="text" name="price" value="${book.price}"></td>
</tr>
<tr>
<td>出版日期</td>
<td><input type="text" name="btime" value="<fmt:formatDate value='${book.btime}' pattern='yyyy-MM-dd' />">
</td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="更改"></td>
</tr>
</table>
</form>
<a href="/">首页</a>
</body>
</html>
webapp/WEB-INF/web.xml文件上面已经写过了。。
weapp/favicon.ico（网上找一个放上去） ====占标文件
结束......
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