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SpringBoot框架搭建教程分享

时间：2020-11-13 08:49:40 | 栏目：JAVA代码 | 点击：次

SpringBoot几乎集成了SpringMVC的所有内容，以及tomcat容器，同时去除了繁复的xml配置文件，开发起来十分方便；页面配合thymeleaf模板渲染也是非常简单，如果是前后端分离的项目，那么SpringBoot就专门负责提供restful风格的api接口，通过json格式与前端进行数据交互。

下面pom.xml里面一些依赖

<?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>

 <groupId>com.test</groupId>
 <artifactId>demo</artifactId>
 <version>0.0.1-SNAPSHOT</version>
 <modules>
  <module>common</module>
  <module>web</module>
 </modules>
 <packaging>pom</packaging>

 <name>demo</name>
 <description>a project for Spring Boot</description>

 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>1.5.1.RELEASE</version>
  <relativePath/>
 </parent>

 <properties>
  <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
  <java.version>1.8</java.version>
 </properties>

 <dependencies>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter</artifactId>
   <exclusions>
    <exclusion>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-logging</artifactId>
    </exclusion>
   </exclusions>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-devtools</artifactId>
   <optional>true</optional>
  </dependency>
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-thymeleaf</artifactId>
  </dependency>

  <dependency>
   <groupId>org.apache.tomcat</groupId>
   <artifactId>tomcat-jdbc</artifactId>
   <version>7.0.47</version>
  </dependency>

  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-tx</artifactId>
   <version>4.3.6.RELEASE</version>
  </dependency>
  <dependency>
   <groupId>org.springframework</groupId>
   <artifactId>spring-jdbc</artifactId>
   <version>4.3.6.RELEASE</version>
  </dependency>

  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
  </dependency>

  <dependency>
   <groupId>org.mybatis.spring.boot</groupId>
   <artifactId>mybatis-spring-boot-starter</artifactId>
   <version>1.1.1</version>
  </dependency>

  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
   <version>1.0.19</version>
  </dependency>

  <dependency>
   <groupId>net.sf.json-lib</groupId>
   <artifactId>json-lib</artifactId>
   <version>2.4</version>
   <classifier>jdk15</classifier>
   <exclusions>
    <exclusion>
     <groupId>commons-logging</groupId>
     <artifactId>commons-logging</artifactId>
    </exclusion>
   </exclusions>
  </dependency>

  <dependency>
   <groupId>commons-httpclient</groupId>
   <artifactId>commons-httpclient</artifactId>
   <version>3.0.1</version>
  </dependency>

  <!--log4j2-->
  <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-slf4j-impl</artifactId>
   <version>2.4.1</version>
  </dependency>
  <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-api</artifactId>
   <version>2.4.1</version>
  </dependency>
  <dependency>
   <groupId>org.apache.logging.log4j</groupId>
   <artifactId>log4j-core</artifactId>
   <version>2.4.1</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>jcl-over-slf4j</artifactId>
   <version>1.7.12</version>
  </dependency>

 </dependencies>

 <build>
  <finalName>demo</finalName>
  <resources>
   <resource>
    <directory>src/main/resources</directory>
    <excludes>
     <exclude>application-dev.properties</exclude>
     <exclude>application-prod.properties</exclude>
     <exclude>application.properties</exclude>
    </excludes>
    <filtering>true</filtering>
   </resource>
   <resource>
    <filtering>true</filtering>
    <directory>src/main/resources</directory>
    <includes>
     <include>application-${environment}.properties</include>
     <include>application.properties</include>
    </includes>
   </resource>
  </resources>
 </build>

 <profiles>
  <profile>
   <id>dev</id>
   <properties>
    <environment>dev</environment>
   </properties>
   <activation>
    <activeByDefault>true</activeByDefault>
   </activation>
  </profile>
  <profile>
   <id>prod</id>
   <properties>
    <environment>prod</environment>
   </properties>
  </profile>

 </profiles>
</project>

下面是SpringBoot的启动配置文件application.properties：

spring.thymeleaf.cache=false
server.port=8021
server.context-path=/demo

spring.datasource.url=jdbc:mysql://localhost:3306/demo?characterEncoding=utf8&useSSL=false
spring.datasource.username=root
spring.datasource.password=XXX
spring.datasource.driver-class-name=com.mysql.jdbc.Driver

下面是SpringBoot的启动类：

package com.test.demo.web;
import com.test.demo.web.filter.AccessFilter;
import com.test.demo.web.interceptor.AccessInterceptor;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.annotation.MapperScan;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import javax.sql.DataSource;

@SpringBootApplication(scanBasePackages = "com.test.demo")
@MapperScan("com.test.demo.common.dao")
@Configuration
public class WebApplication { @Bean
 @ConfigurationProperties(prefix = "spring.datasource")
 public DataSource dataSource() {
  return new org.apache.tomcat.jdbc.pool.DataSource();
 }

 // 提供SqlSession
 @Bean
 public SqlSessionFactory sqlSessionFactoryBean() throws Exception {
  SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
  sqlSessionFactoryBean.setDataSource(dataSource());
  PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
  sqlSessionFactoryBean.setVfs(SpringBootVFS.class);
  sqlSessionFactoryBean.setTypeAliasesPackage("com.test.demo.common.model");
  sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:/mapper/*.xml"));
  return sqlSessionFactoryBean.getObject();
 }

 // 事务配置
 @Bean
 public PlatformTransactionManager transactionManager() {
  return new DataSourceTransactionManager(dataSource());
 }

 // 主启动函数
 public static void main(String[] args) {
  SpringApplication.run(WebApplication.class, args);
 }

 // 过滤器配置
 @Bean
 public FilterRegistrationBean someFilterRegistration() {
  FilterRegistrationBean registration = new FilterRegistrationBean();
  AccessFilter accessFilter = new AccessFilter();
  registration.setFilter(accessFilter);
  registration.addUrlPatterns("/admin/*");
  registration.setName("accessFilter");
  return registration;
 }

 // 拦截器配置
 @Configuration
 public class addInterceptor extends WebMvcConfigurerAdapter {
  public void addInterceptors(InterceptorRegistry registry) {
   registry.addInterceptor(new AccessInterceptor()).addPathPatterns("/admin/**");
  }
 }

}

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