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IDEA搭建简单的spring-boot项目

IDEA搭建简单的spring-boot项目

作者: 定金喜 | 来源:发表于2020-06-06 15:35 被阅读0次

1.新建maven项目


2.增加spring-boot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.renlijia.share</groupId>
    <artifactId>java.concurrent</artifactId>
    <version>1.0-SNAPSHOT</version>

    <properties>
        <spring.boot.version>2.0.3.RELEASE</spring.boot.version>
        <feign.version>9.5.1</feign.version>
        <druid.version>1.1.10</druid.version>
    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.3.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <version>${spring.boot.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-rest</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>${spring.boot.version}</version>
            <exclusions>
                <exclusion>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-starte-tomcat</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-undertow</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-aop</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-freemarker</artifactId>
            <version>${spring.boot.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-devtools</artifactId>
            <version>${spring.boot.version}</version>
            <optional>true</optional>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-configuration-processor</artifactId>
            <version>${spring.boot.version}</version>
            <optional>true</optional>
        </dependency>

        <!-- Feign start -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-openfeign</artifactId>
            <version>2.0.1.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>io.github.openfeign</groupId>
            <artifactId>feign-httpclient</artifactId>
            <version>${feign.version}</version>
        </dependency>

        <dependency>
            <groupId>com.renlijia</groupId>
            <artifactId>http-template</artifactId>
            <version>1.2.8</version>
        </dependency>

        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.0</version>
        </dependency>

        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.68</version>
        </dependency>

        <!-- 阿里依赖 -->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>${druid.version}</version>
        </dependency>

        <dependency>
            <groupId>org.mybatis.spring.boot</groupId>
            <artifactId>mybatis-spring-boot-starter</artifactId>
            <version>1.3.0</version>
        </dependency>

        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.41</version>
        </dependency>

        <dependency>
            <groupId>com.google.guava</groupId>
            <artifactId>guava</artifactId>
            <version>25.1-jre</version>
        </dependency>
    </dependencies>

    <build>
        <resources>
            <resource>
                <directory>${basedir}/src/main/java</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.html</include>
                </includes>
            </resource>
            <resource>
                <directory>${basedir}/src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                    <include>**/*.yml</include>
                    <include>**/*.ftl</include>
                    <include>**/*.ico</include>
                    <include>**/*.png</include>
                    <include>**/*.handlers</include>
                </includes>
            </resource>
        </resources>

        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <mainClass>com.renlijia.AppStart</mainClass>
                    <layout>ZIP</layout>
                    <finalName>test</finalName>
                </configuration>
                <executions>
                    <execution>
                        <goals>
                            <goal>repackage</goal>
                        </goals>
                        <configuration>
                            <classifier>exec</classifier>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>

3.增加AppStart和配置文件

package com.renlijia;

import com.renlijia.config.AppWebConfig;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

/**
 * @Author: ding
 * @Date: 2020-06-06 13:02
 */
@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class})
public class AppStart {
    public static void main(String[] args) {

        SpringApplication.run(AppWebConfig.class, args);
        System.setProperty("tomcat.util.http.parser.HttpParser.requestTargetAllow","|{}");
    }
}

package com.renlijia.config;

import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * @Author: ding
 * @Date: 2020-06-06 14:17
 */
@ComponentScan(basePackages = {"com.renlijia"})
@EnableWebMvc
@Configuration
@EnableAutoConfiguration
@EnableAspectJAutoProxy(proxyTargetClass = true)
@ServletComponentScan
public class AppWebConfig implements WebMvcConfigurer {
}

4.增加druid配置和mybatis配置

package com.renlijia.config;

import com.alibaba.druid.filter.Filter;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.wall.WallConfig;
import com.alibaba.druid.wall.WallFilter;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.mybatis.spring.boot.autoconfigure.SpringBootVFS;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.DependsOn;
import org.springframework.context.annotation.Primary;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.core.io.support.ResourcePatternResolver;
import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import org.springframework.transaction.annotation.TransactionManagementConfigurer;
import org.springframework.transaction.support.TransactionTemplate;

import javax.annotation.Resource;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
  * @author well
  * @date 2019-05-07
  */
@Configuration
@ConfigurationProperties(prefix = "spring.datasource")
@EnableTransactionManagement
@MapperScan(basePackages = {"com.renlijia.mybatis.dao"})
public class DruidConfig implements TransactionManagementConfigurer {

    private Logger logger = LoggerFactory.getLogger(DruidConfig.class);

    private String url;

    private String username;

    private String password;

    private String driverClassName = "com.mysql.jdbc.Driver";

    private int initialSize = 5;

    private int minIdle = 5;

    private int maxActive = 200;

    private int maxWait = 30000;

    private int timeBetweenEvictionRunsMillis = 60000;

    private int minEvictableIdleTimeMillis = 300000;

    private String validationQuery = "SELECT 1 FROM DUAL";

    private boolean testWhileIdle = true;

    private boolean testOnBorrow = false;

    private boolean testOnReturn = false;

    private boolean poolPreparedStatements = true;

    private int maxPoolPreparedStatementPerConnectionSize = 20;

    private String filters = "stat,wall";

    private String connectionProperties = "druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000";

    @Resource
    private WallFilter wallFilter;

    @Bean(name = "sqlSessionFactory")
    @Primary
    public SqlSessionFactoryBean createSqlSessionFactoryBean(DataSourceTransactionManager transactionManager) throws Exception {
        SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
        sqlSessionFactoryBean.setDataSource(transactionManager.getDataSource());
        sqlSessionFactoryBean.setConfigLocation(new ClassPathResource("sqlmap-config.xml"));
        ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
        sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath*:/mybatis/**/*.xml"));
        sqlSessionFactoryBean.setVfs(SpringBootVFS.class);
        sqlSessionFactoryBean.setTypeAliasesPackage("com.renlijia.mybatis.model");
        return sqlSessionFactoryBean;
    }

    @Bean
    @Primary
    public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) {
        return new SqlSessionTemplate(sqlSessionFactory);
    }

    @Bean
    @Primary
    @Override
    public DataSourceTransactionManager annotationDrivenTransactionManager() {
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setUrl(url);
        dataSource.setUsername(username);
        dataSource.setPassword(password);
        dataSource.setDriverClassName(driverClassName);
        dataSource.setInitialSize(initialSize);
        dataSource.setMinIdle(minIdle);
        dataSource.setMaxActive(maxActive);
        dataSource.setMaxWait(maxWait);
        dataSource.setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
        dataSource.setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
        dataSource.setValidationQuery(validationQuery);
        dataSource.setTestWhileIdle(testWhileIdle);
        dataSource.setTestOnBorrow(testOnBorrow);
        dataSource.setTestOnReturn(testOnReturn);
        dataSource.setPoolPreparedStatements(poolPreparedStatements);
        dataSource.setConnectionProperties(connectionProperties);
        dataSource.setConnectionInitSqls(Arrays.asList("SET NAMES utf8mb4 COLLATE utf8mb4_unicode_ci;"));
        dataSource.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);

        //配置数据库批量更新，需要WallConfig设置multiStatementAllow=true
        List<Filter> proxyFilters = new ArrayList<>();
        proxyFilters.add(wallFilter);
        dataSource.setProxyFilters(proxyFilters);

        try {
            dataSource.setFilters(filters);
        } catch (SQLException e) {
            logger.error("druid configuration initialization filter", e);
        }
        return new DataSourceTransactionManager(dataSource);
    }

    @Bean(name = "wallConfig")
    WallConfig wallFilterConfig() {
        WallConfig wc = new WallConfig();
        wc.setMultiStatementAllow(true);
        return wc;
    }

    @Bean(name = "wallFilter")
    @DependsOn("wallConfig")
    WallFilter wallFilter(WallConfig wallConfig) {
        WallFilter wfilter = new WallFilter();
        wfilter.setConfig(wallConfig);
        return wfilter;
    }

    @Bean
    public TransactionTemplate transactionTemplate(DataSourceTransactionManager transactionManager) {
        return new TransactionTemplate(transactionManager);
    }

    public void setUrl(String url) {
        this.url = url;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public void setDriverClassName(String driverClassName) {
        this.driverClassName = driverClassName;
    }

    public void setInitialSize(int initialSize) {
        this.initialSize = initialSize;
    }

    public void setMinIdle(int minIdle) {
        this.minIdle = minIdle;
    }

    public void setMaxActive(int maxActive) {
        this.maxActive = maxActive;
    }

    public void setMaxWait(int maxWait) {
        this.maxWait = maxWait;
    }

    public void setTimeBetweenEvictionRunsMillis(int timeBetweenEvictionRunsMillis) {
        this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
    }

    public void setMinEvictableIdleTimeMillis(int minEvictableIdleTimeMillis) {
        this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
    }

    public void setValidationQuery(String validationQuery) {
        this.validationQuery = validationQuery;
    }

    public void setTestWhileIdle(boolean testWhileIdle) {
        this.testWhileIdle = testWhileIdle;
    }

    public void setTestOnBorrow(boolean testOnBorrow) {
        this.testOnBorrow = testOnBorrow;
    }

    public void setTestOnReturn(boolean testOnReturn) {
        this.testOnReturn = testOnReturn;
    }

    public void setPoolPreparedStatements(boolean poolPreparedStatements) {
        this.poolPreparedStatements = poolPreparedStatements;
    }

    public void setMaxPoolPreparedStatementPerConnectionSize(int maxPoolPreparedStatementPerConnectionSize) {
        this.maxPoolPreparedStatementPerConnectionSize = maxPoolPreparedStatementPerConnectionSize;
    }

    public void setFilters(String filters) {
        this.filters = filters;
    }

    public void setConnectionProperties(String connectionProperties) {
        this.connectionProperties = connectionProperties;
    }
}

在resource下增加配置文件sqlmap-config.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "META-INF/dtd/mybatis/mybatis-3-config.dtd">

<configuration>

    <settings>
        <setting name="cacheEnabled" value="false" />
        <setting name="useGeneratedKeys" value="true" />
        <setting name="defaultExecutorType" value="REUSE" />
    </settings>
    <typeAliases>
        <package name="com.renlijia.mybatis.model"/>
    </typeAliases>
</configuration>

5.增加dao，do和mapper文件

package com.renlijia.mybatis.dao;

import com.renlijia.mybatis.model.PersonDO;

/**
 * @Author: ding
 * @Date: 2020-06-06 13:37
 */
public interface PersonDAO {

    long insert(PersonDO personDO);
}

package com.renlijia.mybatis.model;

import lombok.Data;

/**
 * @Author: ding
 * @Date: 2020-06-06 13:39
 */
@Data
public class PersonDO {

    private String name;

    private Integer age;
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "META-INF/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.renlijia.mybatis.dao.PersonDAO">
    <resultMap type="com.renlijia.mybatis.model.PersonDO" id="PersonDOMap">
        <result column="id" property="id"/>
        <result column="name" property="name"/>
        <result column="age" property="age"/>
    </resultMap>

    <sql id="Person_columns">
        id,name,age
    </sql>

    <insert id="insert" parameterType="PersonDO">
        INSERT  INTO person(name, age)
        values(#{name},#{age})
    </insert>

</mapper>

6.增加application.yml文件

在resource下增加yml文件

server:
  port: 7007

logging:
  path: /home/appuser/salary/logs

spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    url: jdbc:mysql://127.0.0.1:3306/renlijia_share?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&useSSL=true
    username: root
    password: 123456

7.新建mysql数据库renlijia_share，并在数据库下增加person表

CREATE TABLE `renlijia_share`.`person`  (
  `id` int(10) NOT NULL AUTO_INCREMENT,
  `name` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL,
  `age` int(4) NULL DEFAULT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 9 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci ROW_FORMAT = Dynamic;

8.增加controller文件

package com.renlijia.concurrent;

import com.google.common.util.concurrent.ThreadFactoryBuilder;
import com.renlijia.mybatis.dao.PersonDAO;
import com.renlijia.mybatis.model.PersonDO;
import org.springframework.transaction.support.TransactionTemplate;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

/**
 * @Author: ding
 * @Date: 2020-06-06 14:11
 */
@RestController
public class TestController {

    @Resource
    private PersonDAO personDAO;


    @RequestMapping("/concurrent/multithread")
    public String multiThreadTest(){

        PersonDO personDO = new PersonDO();
        personDO.setName("黄晓明");
        personDO.setAge(35);
        personDAO.insert(personDO);
        
        return null;
    }
}

当请求http://127.0.0.1:7007/concurrent/multithread后，会在数据库增加记录。

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