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README.md

spring5x-base-目录.png

此模块是基础模块，其它模块都是以此模块扩展

Spring5x-base:是一个非常干净的spring5.x+springMVC架构

Spring5x-base的作用：

  • 可以直接拷贝这个模块，改名成其它模块名称

推荐-接口调试：

  • 浏览器调用调试接口
  • Postman 工具调用接口调试(极力建议)
  • swagger Api 调试接口(推荐)

Spring5x-base 搭建过程：

功能：

  • 单纯的 spring+springmvc 框架
  • 版本spring 5.x

项目结构：特别简单的基础框架，往后的spring xml配置方式都是以此框架的为基础。 base_1.png

1、pom.xml 引入依赖

<?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>
    <!--可以集成到父项目中，需要在夫项目中添加这个模块->
   <!-- <parent>
        <groupId>com.zja</groupId>
        <artifactId>spring5.x</artifactId>
        <version>1.0-SNAPSHOT</version>
    </parent> -->
    <groupId>com.zja</groupId>
    <artifactId>spring5x-base</artifactId>
    <packaging>war</packaging>

    <name>spring5x-base</name>

    <!--说明：spring5.x-base模块是spring5.x基础框架，其它模块都是以此模块为基础扩展的-->
    <properties>
        <!--spring5.x 至少需要jdk1.8及以上版本-->
        <spring.version>5.0.9.RELEASE</spring.version>
        <!--jdk必须 >=1.8-->
        <jdk.version>1.8</jdk.version>
        <!--maven 版本-->
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.plugin.version>3.6.0</maven.compiler.plugin.version>
        <mavne.surefire.plugin.version>2.19.1</mavne.surefire.plugin.version>
        <maven-war-plugin.version>2.6</maven-war-plugin.version>
        <servlet.version>4.0.1</servlet.version>
    </properties>

    <dependencies>
        <!--spring核心包——Start-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-oxm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>
        <!--spring核心包——End-->

        <!--servlet-api  web层-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>${servlet.version}</version>
            <scope>provided</scope>
        </dependency>
    </dependencies>

    <build>
        <finalName>spring5x-base</finalName>
        <plugins>
            <!--maven的编译插件-->
            <plugin>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>${maven.compiler.plugin.version}</version>
                <configuration>
                    <!--开发版本-->
                    <source>${jdk.version}</source>
                    <!--.class文件版本-->
                    <target>${jdk.version}</target>
                    <!--打包后的编码-->
                    <encoding>${project.build.sourceEncoding}</encoding>
                </configuration>
            </plugin>
            <!--打包跳过测试-->
            <plugin>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>${mavne.surefire.plugin.version}</version>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

2、spring-mvc.xml 配置

<?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">

    <!-- 开启注解包扫描-->
    <context:component-scan base-package="com.zja.*"/>

    <!--使用默认的 Servlet 来响应静态文件 -->
    <mvc:default-servlet-handler/>

    <!-- 开启springMVC 注解驱动 -->
    <mvc:annotation-driven>
        <mvc:message-converters register-defaults="false">
        <!-- 将StringHttpMessageConverter的默认编码设为UTF-8 ，解决返回给前端中文乱码-->
        <bean class="org.springframework.http.converter.StringHttpMessageConverter">
            <constructor-arg value="UTF-8"/>
        </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>

    <!-- 增加application.properties文件，这个文件里没有内容 -->
    <context:property-placeholder
            location="classpath*:application.properties" />

    <!-- 配置视图解析器 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
          id="internalResourceViewResolver">
        <!-- 前缀 ：/WEB-INF/jsp/和/WEB-INF/html/-->
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <!-- 后缀 ：.jsp和.html-->
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

3、web.xml 配置

<?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">

    <!--配置spring前端控制器-->
    <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:META-INF/spring/spring-mvc.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

    <servlet-mapping>
        <servlet-name>springMvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

</web-app>

4、HelloController 接口测试

package com.zja.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.ResponseBody;

/**
 * @author ZhengJa
 * @description HelloController
 * @data 2019/10/24
 */
@Controller
public class HelloController {

    @GetMapping("/hello")
    public String hello(){
        //返回hello页面
       return  "hello";
    }

    @GetMapping("/hello2")
    @ResponseBody
    public String hello2(){
        //返回字符串
        return  "hello2 字符串";
    }
}

5、测试-页面访问

数据访问

基础搭建已经可以结束！！！

github 地址：

博客地址