[Java] springboot整合mybatis中的问题及出现的一些问题小结

spring:
 datasource:
  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
  
  name: test
  url: jdbc:mysql://localhost:3306/mama-bike?useunicode=true&characterencoding=utf-8&zerodatetimebehavior=converttonull
  username: root
  password: root
 
mybatis:
 #告诉spring你的mapper的位置。
 mapper-locations: classpath:com/coder520/mamabike/**/**.xml
 #告诉spring你的实体类的位置
 type-aliases-package: classpath:com.coder520.mamabike.**.entity
 
logging:
 config: classpath:logback.xml

public interface usermapper {
 int insert(user record);
}

<?xml version="1.0" encoding="utf-8" ?>
<!doctype mapper public "-//mybatis.org//dtd mapper 3.0//en" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="com.coder520.mamabike.user.dao.usermapper" >
 <resultmap id="baseresultmap" type="com.coder520.mamabike.user.entity.user" >
 <id column="id" property="id" jdbctype="bigint" />
 <result column="nickname" property="nickname" jdbctype="varchar" />
 <result column="enable_flag" property="enableflag" jdbctype="tinyint" />
 <result column="verify_flag" property="verifyflag" jdbctype="tinyint" />
 <result column="head_img" property="headimg" jdbctype="varchar" />
 <result column="mobile" property="mobile" jdbctype="varchar" />
 </resultmap>
 <sql id="base_column_list" >
 id, nickname, enable_flag, verify_flag, head_img, mobile
 </sql>
 <insert id="insert" parametertype="com.coder520.mamabike.user.entity.user" >
 insert into user (id, nickname, enable_flag, 
  verify_flag, head_img, mobile
  )
 values (#{id,jdbctype=bigint}, #{nickname,jdbctype=varchar}, #{enableflag,jdbctype=tinyint}, 
  #{verifyflag,jdbctype=tinyint}, #{headimg,jdbctype=varchar}, #{mobile,jdbctype=varchar}
  )
 </insert>
</mapper>

@springbootapplication
@componentscan(basepackages={"com.coder520.mamabike"})
@mapperscan(basepackages="com.demo.user.mapper")
public class mamabikeapplication {
 public static void main(string[] args) {
  springapplication.run(mamabikeapplication.class, args);
 }
}