springboot mybatisplus 集成（附代码）
package com.baomidou.springboot.config;
import java.sql.SQLException;
import javax.sql.DataSource;
import org.apache.ibatis.mapping.DatabaseIdProvider;
import org.apache.ibatis.plugin.Interceptor;
import org.mybatis.spring.annotation.MapperScan;
import org.mybatis.spring.boot.autoconfigure.MybatisProperties;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.bind.RelaxedPropertyResolver;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.ResourceLoader;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import com.baomidou.mybatisplus.MybatisConfiguration;
import com.baomidou.mybatisplus.MybatisXMLLanguageDriver;
import com.baomidou.mybatisplus.entity.GlobalConfiguration;
import com.baomidou.mybatisplus.enums.DBType;
import com.baomidou.mybatisplus.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.spring.MybatisSqlSessionFactoryBean;
import com.baomidou.mybatisplus.spring.boot.starter.SpringBootVFS;
/**
* mybatispuls配置
*
* @author Davis
* @date 2017年6月9日 上午9:25:37
*/
@Configuration
@EnableConfigurationProperties(MybatisProperties.class)
@MapperScan("com.baomidou.springboot.mapper*")
public class MybatisPlusConfig/* implements EnvironmentAware */ {
@Autowired
private Environment environment;
private RelaxedPropertyResolver propertyResolver;
@Autowired
private DataSource dataSource;
@Autowired
private MybatisProperties properties;
@Autowired
private ResourceLoader resourceLoader = new DefaultResourceLoader();
@Autowired(required = false)
private Interceptor[] interceptors;
@Autowired(required = false)
private DatabaseIdProvider databaseIdProvider;
/*
* @Override public void setEnvironment(
* org.springframework.core.env.Environment environment) {
* this.propertyResolver = new RelaxedPropertyResolver(environment,
* "spring.datasource.");
*
* }
*/
/**
* 配置DataSource
*
* @return
* @throws SQLException
*/
@Bean
public DataSource druidDataSource() throws SQLException {
this.propertyResolver = new RelaxedPropertyResolver(environment, "spring.datasource.");
System.out.println("注入druid！！！");
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(propertyResolver.getProperty("url"));
datasource.setDriverClassName(propertyResolver.getProperty("driver-class-name"));
datasource.setUsername(propertyResolver.getProperty("username"));
datasource.setPassword(propertyResolver.getProperty("password"));
datasource.setInitialSize(Integer.valueOf(propertyResolver.getProperty("initial-size")));
datasource.setMinIdle(Integer.valueOf(propertyResolver.getProperty("min-idle")));
datasource.setMaxWait(Long.valueOf(propertyResolver.getProperty("max-wait")));
datasource.setMaxActive(Integer.valueOf(propertyResolver.getProperty("max-active")));
datasource.setMinEvictableIdleTimeMillis(
Long.valueOf(propertyResolver.getProperty("min-evictable-idle-time-millis")));
try {
datasource.setFilters(propertyResolver.getProperty("filters"));
} catch (SQLException e) {
e.printStackTrace();
}
return datasource;
}
/**
* mybatis-plus分页插件
*/
@Bean
public PaginationInterceptor paginationInterceptor() {
PaginationInterceptor page = new PaginationInterceptor();
page.setDialectType("mysql");
return page;
}
/**
* 这里全部使用mybatis-autoconfigure 已经自动加载的资源。不手动指定 配置文件和mybatis-boot的配置文件同步
*
* @return
*/
@Bean
public MybatisSqlSessionFactoryBean mybatisSqlSessionFactoryBean() {
MybatisSqlSessionFactoryBean mybatisPlus = new MybatisSqlSessionFactoryBean();
mybatisPlus.setDataSource(dataSource);
mybatisPlus.setVfs(SpringBootVFS.class);
if (StringUtils.hasText(this.properties.getConfigLocation())) {
mybatisPlus.setConfigLocation(this.resourceLoader.getResource(this.properties.getConfigLocation()));
}
mybatisPlus.setConfiguration(properties.getConfiguration());
if (!ObjectUtils.isEmpty(this.interceptors)) {
mybatisPlus.setPlugins(this.interceptors);
}
// MP 全局配置，更多内容进入类看注释
GlobalConfiguration globalConfig = new GlobalConfiguration();
globalConfig.setDbType(DBType.MYSQL.name());// 数据库类型
// ID 策略 AUTO->`0`("数据库ID自增") INPUT->`1`(用户输入ID")
// ID_WORKER->`2`("全局唯一ID") UUID->`3`("全局唯一ID")
globalConfig.setIdType(2);
globalConfig.setSqlInjector(new com.baomidou.mybatisplus.mapper.AutoSqlInjector());
// MP 属性下划线 转 驼峰 , 如果原生配置 mc.setMapUnderscoreToCamelCase(true)
// 开启，该配置可以无。
// globalConfig.setDbColumnUnderline(true);
mybatisPlus.setGlobalConfig(globalConfig);
MybatisConfiguration mc = new MybatisConfiguration();
// 对于完全自定义的mapper需要加此项配置，才能实现下划线转驼峰
// mc.setMapUnderscoreToCamelCase(true);
mc.setDefaultScriptingLanguage(MybatisXMLLanguageDriver.class);
mybatisPlus.setConfiguration(mc);
if (this.databaseIdProvider != null) {
mybatisPlus.setDatabaseIdProvider(this.databaseIdProvider);
}
if (StringUtils.hasLength(this.properties.getTypeAliasesPackage())) {
mybatisPlus.setTypeAliasesPackage(this.properties.getTypeAliasesPackage());
}
if (StringUtils.hasLength(this.properties.getTypeHandlersPackage())) {
mybatisPlus.setTypeHandlersPackage(this.properties.getTypeHandlersPackage());
}
if (!ObjectUtils.isEmpty(this.properties.resolveMapperLocations())) {
mybatisPlus.setMapperLocations(this.properties.resolveMapperLocations());
}
return mybatisPlus;
}
/**
* 注册一个StatViewServlet
*
* @return
*/
@Bean
public ServletRegistrationBean DruidStatViewServle() {
// org.springframework.boot.context.embedded.ServletRegistrationBean提供类的进行注册.
ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(),
"/druid/*");
// 添加初始化参数：initParams
// 白名单：
// servletRegistrationBean.addInitParameter("allow","127.0.0.1");
// IP黑名单 (存在共同时，deny优先于allow) : 如果满足deny的话提示:Sorry, you are not
// permitted to view this page.
// servletRegistrationBean.addInitParameter("deny","192.168.1.73");
// 登录查看信息的账号密码.
servletRegistrationBean.addInitParameter("loginUsername", "root");
servletRegistrationBean.addInitParameter("loginPassword", "root");
// 是否能够重置数据.
servletRegistrationBean.addInitParameter("resetEnable", "false");
return servletRegistrationBean;
}
/**
* 注册一个：filterRegistrationBean
*
* @return
*/
@Bean
public FilterRegistrationBean druidStatFilter() {
FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
// 添加过滤规则.
filterRegistrationBean.addUrlPatterns("/*");
// 添加不需要忽略的格式信息.
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}
配置文件：
#app
server:
port: 8080
#spring
spring:
devtools:
restart:
enabled: false
# MYSQL DATABASE CONFIG
datasource:
name: shopxx
url: jdbc:mysql://127.0.0.1:3306/shopxx
username: root
password: 123456
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
filters: stat
maxActive: 20
initialSize: 1
maxWait: 60000
minIdle: 1
timeBetweenEvictionRunsMillis: 60000
minEvictableIdleTimeMillis: 300000
validationQuery: select 'x'
testWhileIdle: true
testOnBorrow: false
testOnReturn: false
poolPreparedStatements: true
maxOpenPreparedStatements: 20
#mybatis
mybatis-plus:
mapper-locations: classpath:/mapper/*Mapper.xml
typeAliasesPackage: com.baomidou.springboot.entity
global-config:
#主键类型 0:"数据库ID自增", 1:"用户输入ID",2:"全局唯一ID (数字类型唯一ID)", 3:"全局唯一ID UUID";
id-type: 2
#字段策略 0:"忽略判断",1:"非 NULL 判断"),2:"非空判断"
field-strategy: 2
#驼峰下划线转换
db-column-underline: true
#刷新mapper 调试神器
refresh-mapper: true
#数据库大写下划线转换
#capital-mode: true
#序列接口实现类配置
#key-generator: com.baomidou.springboot.xxx
#逻辑删除配置
#logic-delete-value: 0
#logic-not-delete-value: 1
#自定义填充策略接口实现
#meta-object-handler: com.baomidou.springboot.xxx
#自定义SQL注入器
#sql-injector: com.baomidou.springboot.xxx
configuration:
map-underscore-to-camel-case: true
cache-enabled: false
#logging
logging:
level: warn