1.创建SpringMVC项目

1.搭建环境

在Configure下点击Settings

找到Maven修改配置目的是使用自己配置的Maven以及阿里云镜像

开始创建项目

写入自己的公司名，项目名点击下一步

添加信息加快maven配置

设置自己的项目名称以及自己文件夹的位置

设置自动导入包

2.开始配置项目

在main目录下面添加java,resources目录并修改目录属性

修改pom.xml中的依赖配置

 1 <properties>
 2         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 3         <maven.compiler.source>1.8</maven.compiler.source>
 4         <maven.compiler.target>1.8</maven.compiler.target>
 5         <spring.version>5.0.2.RELEASE</spring.version>
 6     </properties>
 7 
 8     <dependencies>
 9         <dependency>
10             <groupId>org.springframework</groupId>
11             <artifactId>spring-context</artifactId>
12             <version>${spring.version}</version>
13         </dependency>
14         <dependency>
15             <groupId>org.springframework</groupId>
16             <artifactId>spring-web</artifactId>
17             <version>${spring.version}</version>
18         </dependency>
19         <dependency>
20             <groupId>org.springframework</groupId>
21             <artifactId>spring-webmvc</artifactId>
22             <version>${spring.version}</version>
23         </dependency>
24         <dependency>
25             <groupId>javax.servlet</groupId>
26             <artifactId>servlet-api</artifactId>
27             <version>2.5</version>
28             <scope>provided</scope>
29         </dependency>
30         <dependency>
31             <groupId>javax.servlet.jsp</groupId>
32             <artifactId>jsp-api</artifactId>
33             <version>2.0</version>
34             <scope>provided</scope>
35         </dependency>
36     </dependencies>

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建立一个java类HelloController.java

配置springmvc.xml的配置文件

修改扫描的包的路径为java中的包名以及bean中的配置信息

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans" xmlns:mvc="http://www.springframework.org/schema/mvc"
 3        xmlns:context="http://www.springframework.org/schema/context"
 4        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 5        xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
 6 
 7     <!-- 配置spring创建容器时要扫描的包 -->
 8     <context:component-scan base-package="ustc.wzh"></context:component-scan>
 9     <!-- 配置视图解析器 -->
10     <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
11         <property name="prefix" value="/WEB-INF/pages/"></property>
12         <property name="suffix" value=".jsp"></property>
13     </bean>
14 
15     <!-- 配置spring开启注解mvc的支持 -->
16     <mvc:annotation-driven></mvc:annotation-driven>
17 
18 </beans>

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配置web.xml

 1 <!-- 配置过滤器，解决中文乱码的问题 -->
 2     <filter>
 3         <filter-name>characterEncodingFilter</filter-name>
 4         <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
 5         <!-- 指定字符集 -->
 6         <init-param>
 7             <param-name>encoding</param-name>
 8             <param-value>UTF-8</param-value>
 9         </init-param>
10     </filter>
11     <filter-mapping>
12         <filter-name>characterEncodingFilter</filter-name>
13         <url-pattern>/*</url-pattern>
14     </filter-mapping>
15 
16     <!-- SpringMVC的核心控制器 -->
17     <servlet>
18         <servlet-name>dispatcherServlet</servlet-name>
19         <servlet-class>org.springframework.web.servlet.DispatcherServlet
20         </servlet-class>
21         <!-- 配置Servlet的初始化参数，读取springmvc的配置文件，创建spring容器 -->
22         <init-param>
23             <param-name>contextConfigLocation</param-name>
24             <param-value>classpath:springmvc.xml</param-value>
25         </init-param> <!-- 配置servlet启动时加载对象 -->
26         <load-on-startup>1</load-on-startup>
27     </servlet>
28     <servlet-mapping>
29         <servlet-name>dispatcherServlet</servlet-name>
30         <url-pattern>/</url-pattern>
31     </servlet-mapping>

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3.配置tomcat服务器

配置服务器的名字和下载好的tomcat服务器以及可以运行的war包

最后点击OK！

4.编写程序

删除index.jsp重新在原来位置创建一个index.jsp

1 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
2 <html>
3 <head>
4     <title>index</title>
5 </head>
6 <body>
7 <a href="/user/hello">入门程序</a>
8 </body>
9 </html>

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编写HelloWorld.java中的内容

 1 @Controller
 2 @RequestMapping("/user")
 3 public class HelloController {
 4 
 5     @RequestMapping("hello")
 6     public String helloworld(){
 7         System.out.println("hello world!");
 8         return "success";
 9     }
10 }

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在WEB-INF中添加文件夹为pages,在其中添加success.jsp

1 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
2 <html>
3 <head>
4     <title>Success</title>
5 </head>
6 <body>
7 <h3>入门成功</h3>
8 </body>
9 </html>

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运行tomcat服务器

恭喜你入门成功!