SpringMVC框架搭建

心已赠人 2022-03-31 11:58 379阅读 0赞

创建SpringMVC项目

  1. 打开eclipse，点击 File->New->Maven Project，弹出maven项目创建对话框
  2. 在对话框点击next
    UY8ySil.png

  3. 选择maven-archetype-webapp，点击next

    47zumip.png

  4. 输入Group ID， Artifact ID，点击next

    VLYMirT.png

  5. 右击项目->Maven->Update Project-OK，对项目生成项目结构

  6. 双击项目下的pom.xml，将pom.xml内容改为如下：

    1. <?xml version="1.0" encoding="UTF-8"?>
    2.  <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    3.    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    4.    <modelVersion>4.0.0</modelVersion>
    6.    <groupId>com.elastic</groupId>
    7.    <artifactId>search</artifactId>
    8.    <version>0.0.1-SNAPSHOT</version>
    9.    <packaging>war</packaging>
    11.    <name>elastic Maven Webapp</name>
    12.    <!-- FIXME change it to the project's website -->
    13.    <url>http://www.example.com</url>
    15.    <properties>
    16.      <!-- spring版本号 -->
    17.      <spring.version>5.1.0.RELEASE</spring.version>
    18.      <!-- log4j日志文件管理包版本 -->
    19.      <slf4j.version>1.7.7</slf4j.version>
    20.      <log4j.version>1.2.17</log4j.version>
    21.    </properties>
    23.    <dependencies>
    24.      <dependency>
    25.        <groupId>junit</groupId>
    26.        <artifactId>junit</artifactId>
    27.        <version>4.11</version>
    28.        <scope>test</scope>
    29.      </dependency>
    31.       <!-- java ee包 -->
    32.      <dependency>
    33.        <groupId>javax</groupId>
    34.        <artifactId>javaee-api</artifactId>
    35.        <version>7.0</version>
    36.      </dependency>
    38.      <!-- spring框架包 start -->
    39.      <dependency>
    40.        <groupId>org.springframework</groupId>
    41.        <artifactId>spring-test</artifactId>
    42.        <version>${spring.version}</version>
    43.      </dependency>
    44.      <dependency>
    45.        <groupId>org.springframework</groupId>
    46.        <artifactId>spring-core</artifactId>
    47.        <version>${spring.version}</version>
    48.      </dependency>
    49.      <dependency>
    50.        <groupId>org.springframework</groupId>
    51.        <artifactId>spring-oxm</artifactId>
    52.        <version>${spring.version}</version>
    53.      </dependency>
    54.      <dependency>
    55.        <groupId>org.springframework</groupId>
    56.        <artifactId>spring-tx</artifactId>
    57.        <version>${spring.version}</version>
    58.      </dependency>
    59.      <dependency>
    60.        <groupId>org.springframework</groupId>
    61.        <artifactId>spring-jdbc</artifactId>
    62.        <version>${spring.version}</version>
    63.      </dependency>
    64.      <dependency>
    65.        <groupId>org.springframework</groupId>
    66.        <artifactId>spring-aop</artifactId>
    67.        <version>${spring.version}</version>
    68.      </dependency>
    69.      <dependency>
    70.        <groupId>org.springframework</groupId>
    71.        <artifactId>spring-context</artifactId>
    72.        <version>${spring.version}</version>
    73.      </dependency>
    74.      <dependency>
    75.        <groupId>org.springframework</groupId>
    76.        <artifactId>spring-context-support</artifactId>
    77.        <version>${spring.version}</version>
    78.      </dependency>
    79.      <dependency>
    80.        <groupId>org.springframework</groupId>
    81.        <artifactId>spring-expression</artifactId>
    82.        <version>${spring.version}</version>
    83.      </dependency>
    84.      <dependency>
    85.        <groupId>org.springframework</groupId>
    86.        <artifactId>spring-orm</artifactId>
    87.        <version>${spring.version}</version>
    88.      </dependency>
    89.      <dependency>
    90.        <groupId>org.springframework</groupId>
    91.        <artifactId>spring-web</artifactId>
    92.        <version>${spring.version}</version>
    93.      </dependency>
    94.      <dependency>
    95.        <groupId>org.springframework</groupId>
    96.        <artifactId>spring-webmvc</artifactId>
    97.        <version>${spring.version}</version>
    98.      </dependency>
    99.      <!-- spring框架包 end -->
    101.      <!-- log start -->
    102.      <dependency>
    103.        <groupId>log4j</groupId>
    104.        <artifactId>log4j</artifactId>
    105.        <version>${log4j.version}</version>
    106.      </dependency>
    107.      <dependency>
    108.        <groupId>org.slf4j</groupId>
    109.        <artifactId>slf4j-api</artifactId>
    110.        <version>${slf4j.version}</version>
    111.      </dependency>
    112.      <dependency>
    113.        <groupId>org.slf4j</groupId>
    114.        <artifactId>slf4j-log4j12</artifactId>
    115.        <version>${slf4j.version}</version>
    116.      </dependency>
    117.      <!-- log END -->
    119.       <!-- 上传组件包 start -->
    120.      <dependency>
    121.        <groupId>commons-fileupload</groupId>
    122.        <artifactId>commons-fileupload</artifactId>
    123.        <version>1.3.1</version>
    124.      </dependency>
    125.      <dependency>
    126.        <groupId>commons-io</groupId>
    127.        <artifactId>commons-io</artifactId>
    128.        <version>2.4</version>
    129.      </dependency>
    130.      <dependency>
    131.        <groupId>commons-codec</groupId>
    132.        <artifactId>commons-codec</artifactId>
    133.        <version>1.10</version>
    134.      </dependency>
    135.      <!-- 上传组件包 end -->
    137.      <!-- Json -->
    138.      <!-- 格式化对象，方便输出日志 -->
    139.      <dependency>
    140.        <groupId>com.alibaba</groupId>
    141.        <artifactId>fastjson</artifactId>
    142.        <version>1.2.6</version>
    143.      </dependency>
    144.      <dependency>
    145.        <groupId>org.codehaus.jackson</groupId>
    146.        <artifactId>jackson-mapper-asl</artifactId>
    147.        <version>1.9.13</version>
    148.      </dependency>
    150.         <dependency>
    151.        <groupId>com.fasterxml.jackson.core</groupId>
    152.           <artifactId>jackson-databind</artifactId>
    153.        <version>2.9.6</version>
    154.      </dependency>
    155.    </dependencies>
    157.    <build>
    158.      <finalName>search</finalName>
    159.      <!-- 处理maven update project时，override报错的问题 -->
    160.      <plugins>
    161.        <plugin>
    162.          <groupId>org.apache.maven.plugins</groupId>
    163.          <artifactId>maven-compiler-plugin</artifactId>
    164.          <configuration>
    165.            <source>1.8</source>
    166.            <target>1.8</target>
    167.          </configuration>
    168.        </plugin>
    169.      </plugins>
    170.    </build>
    171.  </project>

  7. 配置web.xml，将web.xml内容改为如下

    1. <?xml version="1.0" encoding="UTF-8"?>    
    2.  <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    
    3.      xmlns="http://java.sun.com/xml/ns/javaee"    
    4.      xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"    
    5.      version="3.0">    
    6.      <display-name>Archetype Created Web Application</display-name>    
    8.      <welcome-file-list>    
    9.          <welcome-file>/index.html</welcome-file>    
    10.      </welcome-file-list>    
    12.      <!-- 加载spring bean -->    
    13.      <context-param>    
    14.           <param-name>contextConfigLocation</param-name>    
    15.          <param-value>classpath:applicationContext.xml</param-value>    
    16.      </context-param>    
    17.      <listener>    
    18.          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>    
    19.      </listener>    
    21.      <!-- 编码过滤器 -->    
    22.      <filter>    
    23.          <filter-name>encodingFilter</filter-name>    
    24.          <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>    
    25.          <async-supported>true</async-supported>    
    26.          <init-param>    
    27.              <param-name>encoding</param-name>    
    28.              <param-value>UTF-8</param-value>    
    29.          </init-param> 
    30.          <init-param>    
    31.              <param-name>forceEncoding</param-name>    
    32.              <param-value>true</param-value>    
    33.          </init-param>    
    34.      </filter>    
    35.      <filter-mapping>    
    36.          <filter-name>encodingFilter</filter-name>    
    37.          <url-pattern>/*</url-pattern>    
    38.      </filter-mapping>    
    40.      <!-- Spring MVC servlet -->    
    41.      <servlet>    
    42.          <servlet-name>SpringMVC</servlet-name>    
    43.          <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>    
    44.          <init-param>    
    45.              <param-name>contextConfigLocation</param-name>    
    46.              <param-value>classpath:spring-mvc.xml</param-value>    
    47.          </init-param>    
    48.          <load-on-startup>1</load-on-startup>    
    49.          <async-supported>true</async-supported>    
    50.      </servlet>    
    51.      <servlet-mapping>    
    52.          <servlet-name>SpringMVC</servlet-name>    
    53.          <url-pattern>*.do</url-pattern>    
    54.      </servlet-mapping>    
    56.  </web-app>

  8. 处理项目报错，右击项目->Properties->Java Build Path，在Source下添加项目的Resource文件夹，点击Add Folder，如下图所示

    3bvpwY5.png

    在search文件夹下，点击Create New Folder

    LrhJxDF.png

    在对话框输入/src/main/resources，点击Finish

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    点击OK完成文件夹创建

  9. 修改JRE，选择Libraries，选择JRE System Library，点击Edit

    dOk5Oyk.png

  10. 将JRE修改为系统默认JRE:

    6GxXOTT.png

  11. 修改Dynamic Web Module版本，在项目是.settings文件夹下，双击org.eclipse.wst.common.project.facet.core.xml，将jst.web的version改为3.0

    w2VsXvl.png

  12. 在resource下创建applicationContext.xml，文件内容如下：

    1. <?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans"
    3.     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    4.     xmlns:context="http://www.springframework.org/schema/context"
    5.     xmlns:mvc="http://www.springframework.org/schema/mvc"
    6.     xsi:schemaLocation="http://www.springframework.org/schema/beans      
    7.                         http://www.springframework.org/schema/beans/spring-beans-4.0.xsd      
    8.                         http://www.springframework.org/schema/context      
    9.                         http://www.springframework.org/schema/context/spring-context-4.0.xsd      
    10.                         http://www.springframework.org/schema/mvc      
    11.                         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
    13.     <!-- 使用注解式注入 -->
    14.     <context:annotation-config />
    15.     <!-- 自动扫描 -->
    16.     <context:component-scan base-package="com.elastic" />
    18. </beans>

  13. 在resource下创建spring-mvc.xml，内容如下：

    1. <?xml version="1.0" encoding="UTF-8"?>
    2. <beans xmlns="http://www.springframework.org/schema/beans"
    3.   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
    4.   xmlns:context="http://www.springframework.org/schema/context"
    5.   xmlns:mvc="http://www.springframework.org/schema/mvc"
    6.   xsi:schemaLocation="http://www.springframework.org/schema/beans      
    7.                         http://www.springframework.org/schema/beans/spring-beans-4.0.xsd      
    8.                         http://www.springframework.org/schema/context      
    9.                         http://www.springframework.org/schema/context/spring-context-4.0.xsd      
    10.                         http://www.springframework.org/schema/mvc      
    11.                         http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
    13.   <!--避免IE执行AJAX时，返回JSON出现下载文件 -->
    14.   <bean id="mappingJacksonHttpMessageConverter"
    15.     class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
    16.     <property name="supportedMediaTypes">
    17.       <list>
    18.         <value>text/html;charset=UTF-8</value>
    19.       </list>
    20.     </property>
    21.   </bean>
    23.   <!-- 添加注解驱动 -->
    24.   <mvc:annotation-driven />
    25.   <mvc:default-servlet-handler />
    27.   <!-- 设置使用注解的类所在的包 -->
    28.   <context:component-scan base-package="com.elastic.controller" />
    30.   <!-- 完成请求和注解POJO的映射 -->
    31.   <bean
    32.     class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
    33.     <property name="messageConverters">
    34.       <list>
    35.         <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->
    36.       </list>
    37.     </property>
    38.   </bean>
    40.   <!-- 定义跳转的文件的前后缀 ，视图模式配置 -->
    41.   <bean
    42.     class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    43.     <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀，变成一个 可用的url地址 -->
    44.     <property name="prefix" value="/WEB-INF/jsp/" />
    45.     <property name="suffix" value=".jsp" />
    46.   </bean>
    48.   <!-- SpringMVC上传文件时，需要配置MultipartResolver处理器 -->
    49.   <bean id="multipartResolver"
    50.     class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
    51.     <!-- 默认编码 -->
    52.     <property name="defaultEncoding" value="utf-8" />
    53.     <!-- 文件大小最大值 -->
    54.     <property name="maxUploadSize" value="10485760000" />
    55.     <!-- 内存中的最大值 -->
    56.     <property name="maxInMemorySize" value="40960" />
    57.   </bean>
    59. </beans>

  14. 在src/main/java创建包，然后对项目右击->Maven->Update Project

    fCp8Ctn.png

  15. 对SpringMVC进行测试，在controller层创建类，具体代码如下：

    1. package com.elastic.controller;
    3. import org.springframework.stereotype.Controller;
    4. import org.springframework.web.bind.annotation.RequestMapping;
    6. @Controller
    7. @RequestMapping("/es")
    8. public class EsController {
    10.     @RequestMapping("/elastic")
    11.     public void elastic(){
    12.         System.out.println("elastic");
    13.     }
    15. }

  16. 配置Tomcat，选择Window->Preferences->Server->Runtime Environments->Add，选择Tomcat路径和JRE

    XSFRLc6.png

  17. 将项目添加到Tomcat，点击如下图处

    HUI016P.png

    选择tomcat

    8o3e8AE.png

    将项目添加到Tomcat

    T3yspEt.png

  18. 启动Tomcat，通过浏览器访问http://localhost:8080/search/es/elastic.do，控制台打印 elastic 则表示SpringMVC搭建成功

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