Springboot2.1+mysql8+MybatisPlus3.0.6+druid集成
转载请表明出处 https://blog.csdn.net/Amor_Leo/article/details/85020754 谢谢
Springboot2.1+mysql8+MybatisPlus3.0.6+druid集成
- 导入依赖
- 编写yml
- 编写配置类
- druid配置
- mybatisplus配置
- 实体类要逻辑删除的字段上添加
- 启动类
- Dao层
- mybatisplus 代码生成器
导入依赖
>
>mysql >
>mysql-connector-java >
>runtime >
>
>
>com.alibaba >
>druid >
>1.1.10 >
>
>
>com.baomidou >
>mybatis-plus-boot-starter >
>3.0.6 >
>
编写yml
spring:
datasource:
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://localhost:3306/Label?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC #mysql8
username: root
password: root
name: test
type: com.alibaba.druid.pool.DruidDataSource
initial-size: 5
min-idle: 5
max-active: 20
max-wait: 30000
time-between-eviction-runs-millis: 60000
min-evictable-idle-time-millis: 300000
validation-query: select '1' from dual
test-while-idle: true
test-on-borrow: false
test-on-return: false
pool-prepared-statements: true
max-open-prepared-statements: 20
max-pool-prepared-statement-per-connection-size: 20
# filters: stat,wall,log4j
mybatis-plus:
mapper-locations: classpath*:mapper/*.xml
type-aliases-package: com.amor.base.domain #扫描实体类,配置xml的别名
configuration:
# 这个配置会将执行的sql打印出来，在开发或测试的时候可以用
log-impl: org.apache.ibatis.logging.stdout.StdOutImpl
global-config:
db-config:
#逻辑删除配置
logic-not-delete-value: 1 #删除前
logic-delete-value: 0 #删除后
编写配置类
druid配置
@Configuration
public class DruidConfig {
private static final Logger logger = LoggerFactory.getLogger(DruidConfig.class);
private static final String DB_PREFIX = "spring.datasource";
@Bean
public ServletRegistrationBean<StatViewServlet> druidServlet() {
logger.info("init Druid Servlet Configuration ");
ServletRegistrationBean<StatViewServlet> servletRegistrationBean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
// IP白名单
servletRegistrationBean.addInitParameter("allow", "*");
// IP黑名单(共同存在时，deny优先于allow)
servletRegistrationBean.addInitParameter("deny", "192.168.1.100");
//控制台管理用户
servletRegistrationBean.addInitParameter("loginUsername", "admin");
servletRegistrationBean.addInitParameter("loginPassword", "admin");
//是否能够重置数据 禁用HTML页面上的“Reset All”功能
servletRegistrationBean.addInitParameter("resetEnable", "false");
return servletRegistrationBean;
}
@Bean
public FilterRegistrationBean<WebStatFilter> filterRegistrationBean() {
FilterRegistrationBean<WebStatFilter> filterRegistrationBean = new FilterRegistrationBean<>(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions", "*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
/** * 解决 spring.datasource.filters=stat,wall,log4j 无法正常注册进去 * */
@ConfigurationProperties(prefix = DB_PREFIX)
class IDataSourceProperties {
private String url;
private String username;
private String password;
private String driverClassName;
private int initialSize;
private int minIdle;
private int maxActive;
private int maxWait;
private int timeBetweenEvictionRunsMillis;
private int minEvictableIdleTimeMillis;
private String validationQuery;
private boolean testWhileIdle;
private boolean testOnBorrow;
private boolean testOnReturn;
private boolean poolPreparedStatements;
private int maxPoolPreparedStatementPerConnectionSize;
private String filters;
private String connectionProperties;
@Bean //声明其为Bean实例
@Primary //在同样的DataSource中，首先使用被标注的DataSource
public DataSource dataSource() {
DruidDataSource datasource = new DruidDataSource();
datasource.setUrl(url);
datasource.setUsername(username);
datasource.setPassword(password);
datasource.setDriverClassName(driverClassName);
//configuration
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.setMaxPoolPreparedStatementPerConnectionSize(maxPoolPreparedStatementPerConnectionSize);
try {
datasource.setFilters(filters);
} catch (SQLException e) {
System.err.println("druid configuration initialization filter: " + e);
}
datasource.setConnectionProperties(connectionProperties);
return datasource;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getDriverClassName() {
return driverClassName;
}
public void setDriverClassName(String driverClassName) {
this.driverClassName = driverClassName;
}
public int getInitialSize() {
return initialSize;
}
public void setInitialSize(int initialSize) {
this.initialSize = initialSize;
}
public int getMinIdle() {
return minIdle;
}
public void setMinIdle(int minIdle) {
this.minIdle = minIdle;
}
public int getMaxActive() {
return maxActive;
}
public void setMaxActive(int maxActive) {
this.maxActive = maxActive;
}
public int getMaxWait() {
return maxWait;
}
public void setMaxWait(int maxWait) {
this.maxWait = maxWait;
}
public int getTimeBetweenEvictionRunsMillis() {
return timeBetweenEvictionRunsMillis;
}
public void setTimeBetweenEvictionRunsMillis(int timeBetweenEvictionRunsMillis) {
this.timeBetweenEvictionRunsMillis = timeBetweenEvictionRunsMillis;
}
public int getMinEvictableIdleTimeMillis() {
return minEvictableIdleTimeMillis;
}
public void setMinEvictableIdleTimeMillis(int minEvictableIdleTimeMillis) {
this.minEvictableIdleTimeMillis = minEvictableIdleTimeMillis;
}
public String getValidationQuery() {
return validationQuery;
}
public void setValidationQuery(String validationQuery) {
this.validationQuery = validationQuery;
}
public boolean isTestWhileIdle() {
return testWhileIdle;
}
public void setTestWhileIdle(boolean testWhileIdle) {
this.testWhileIdle = testWhileIdle;
}
public boolean isTestOnBorrow() {
return testOnBorrow;
}
public void setTestOnBorrow(boolean testOnBorrow) {
this.testOnBorrow = testOnBorrow;
}
public boolean isTestOnReturn() {
return testOnReturn;
}
public void setTestOnReturn(boolean testOnReturn) {
this.testOnReturn = testOnReturn;
}
public boolean isPoolPreparedStatements() {
return poolPreparedStatements;
}
public void setPoolPreparedStatements(boolean poolPreparedStatements) {
this.poolPreparedStatements = poolPreparedStatements;
}
public int getMaxPoolPreparedStatementPerConnectionSize() {
return maxPoolPreparedStatementPerConnectionSize;
}
public void setMaxPoolPreparedStatementPerConnectionSize(int maxPoolPreparedStatementPerConnectionSize) {
this.maxPoolPreparedStatementPerConnectionSize = maxPoolPreparedStatementPerConnectionSize;
}
public String getFilters() {
return filters;
}
public void setFilters(String filters) {
this.filters = filters;
}
public String getConnectionProperties() {
return connectionProperties;
}
public void setConnectionProperties(String connectionProperties) {
this.connectionProperties = connectionProperties;
}
}
}
mybatisplus配置
@EnableTransactionManagement
@Configuration
@MapperScan({"com.amor.base.mapper","com.baomidou.cloud.service.*.mapper*"}) //dao包
public class MybatisPlusConfig {
/** * 逻辑删除 * */
@Bean
public ISqlInjector sqlInjector(){
return new LogicSqlInjector();
}
/** * 分页插件 */
@Bean
public PaginationInterceptor paginationInterceptor() {
return new PaginationInterceptor();
}
/** * SQL执行效率插件 设置 dev test 环境开启 */
@Bean
@Profile({"dev","test"})
public PerformanceInterceptor performanceInterceptor() {
return new PerformanceInterceptor();
}
}
实体类要逻辑删除的字段上添加
/** * 状态 * */
@TableLogic //逻辑删除 查询时会自动带上 WHERE state='1'
private String state;
启动类
@SpringBootApplication
@MapperScan("com.baomidou.mybatisplus.samples.quickstart.mapper")
Dao层
// 继承 BaseMapper
public interface LabelMapper extends BaseMapper<Label> {
}
mybatisplus 代码生成器
- 官网
public class CodeGenerator {
/** * velocity 模板引擎, 默认 * * org.apache.velocity * velocity-engine-core * 最新版本 * * * // 切换为 freemarker 模板引擎 * mpg.setTemplateEngine(new FreemarkerTemplateEngine()); * freemarker 模板引擎 * * org.freemarker * freemarker * 最新版本 * */
/** * * 读取控制台内容 *
*/
public static String scanner(String tip) {
Scanner scanner = new Scanner(System.in);
StringBuilder help = new StringBuilder();
help.append("请输入" + tip + "：");
System.out.println(help.toString());
if (scanner.hasNext()) {
String ipt = scanner.next();
if (StringUtils.isNotEmpty(ipt)) {
return ipt;
}
}
throw new MybatisPlusException("请输入正确的" + tip + "！");
}
public static void main(String[] args) {
// 代码生成器
AutoGenerator mpg = new AutoGenerator();
// 全局配置
GlobalConfig gc = new GlobalConfig();
String projectPath = System.getProperty("user.dir");
gc.setOutputDir(projectPath + "/src/main/java");
gc.setAuthor("jobob");
gc.setOpen(false);
mpg.setGlobalConfig(gc);
// 数据源配置
DataSourceConfig dsc = new DataSourceConfig();
dsc.setUrl("jdbc:mysql://localhost:3306/ant?useUnicode=true&useSSL=false&characterEncoding=utf8");
// dsc.setSchemaName("public");
dsc.setDriverName("com.mysql.jdbc.Driver");
dsc.setUsername("root");
dsc.setPassword("密码");
mpg.setDataSource(dsc);
// 包配置
PackageConfig pc = new PackageConfig();
pc.setModuleName(scanner("模块名"));
pc.setParent("com.baomidou.ant");
mpg.setPackageInfo(pc);
// 自定义配置
InjectionConfig cfg = new InjectionConfig() {
@Override
public void initMap() {
// to do nothing
}
};
// 如果模板引擎是 freemarker
String templatePath = "/templates/mapper.xml.ftl";
// 如果模板引擎是 velocity
// String templatePath = "/templates/mapper.xml.vm";
// 自定义输出配置
List<FileOutConfig> focList = new ArrayList<>();
// 自定义配置会被优先输出
focList.add(new FileOutConfig(templatePath) {
@Override
public String outputFile(TableInfo tableInfo) {
// 自定义输出文件名
return projectPath + "/src/main/resources/mapper/" + pc.getModuleName()
+ "/" + tableInfo.getEntityName() + "Mapper" + StringPool.DOT_XML;
}
});
cfg.setFileOutConfigList(focList);
mpg.setCfg(cfg);
// 配置模板
TemplateConfig templateConfig = new TemplateConfig();
// 配置自定义输出模板
// templateConfig.setEntity();
// templateConfig.setService();
// templateConfig.setController();
templateConfig.setXml(null);
mpg.setTemplate(templateConfig);
// 策略配置
StrategyConfig strategy = new StrategyConfig();
strategy.setNaming(NamingStrategy.underline_to_camel);
strategy.setColumnNaming(NamingStrategy.underline_to_camel);
strategy.setSuperEntityClass("com.baomidou.ant.common.BaseEntity");
strategy.setEntityLombokModel(true);
strategy.setRestControllerStyle(true);
strategy.setSuperControllerClass("com.baomidou.ant.common.BaseController");
strategy.setInclude(scanner("表名"));
strategy.setSuperEntityColumns("id");
strategy.setControllerMappingHyphenStyle(true);
strategy.setTablePrefix(pc.getModuleName() + "_");
mpg.setStrategy(strategy);
mpg.setTemplateEngine(new FreemarkerTemplateEngine());
mpg.execute();
}
}