# spring-boot-test

**Repository Path**: hhhsir/spring-boot-test

## Basic Information

- **Project Name**: spring-boot-test
- **Description**: No description available
- **Primary Language**: Unknown
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2019-12-25
- **Last Updated**: 2021-11-03

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# spring笔记

## spring-boot整合mybatis

#### 引入依赖

```xml
 <dependency>
     <groupId>org.mybatis.spring.boot</groupId>
    <artifactId>mybatis-spring-boot-starter</artifactId>
    <version>2.1.1</version>
</dependency>
        <!--   mysql连接驱动     -->
 <dependency>
     <groupId>mysql</groupId>
     <artifactId>mysql-connector-java</artifactId>
     <scope>runtime</scope>
</dependency>
        <!-- 阿里巴巴数据源 -->
  <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>druid-spring-boot-starter</artifactId>
        <version>1.1.21</version>
</dependency>
```
#### 配置dataSource
```
# Tomcat
server:
  port: 8088


spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    druid:
#      driver-class-name: com.mysql.jdbc.Driver
      url: jdbc:mysql://47.96.109.104:3306/guotong?allowMultiQueries=true&useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=GMT%2B8
      username: root
      password: root
      initial-size: 10
      max-active: 100
      min-idle: 10
      max-wait: 60000
      pool-prepared-statements: true
      max-pool-prepared-statement-per-connection-size: 20
      time-between-eviction-runs-millis: 60000
      min-evictable-idle-time-millis: 300000
      #Oracle需要打开注释
      #validation-query: SELECT 1 FROM DUAL
      test-while-idle: true
      test-on-borrow: false
      test-on-return: false
      stat-view-servlet:
        enabled: true
        url-pattern: /druid/*
        #login-username: admin
        #login-password: admin
      filter:
        stat:
          log-slow-sql: true
          slow-sql-millis: 1000
          merge-sql: false
        wall:
          config:
            multi-statement-allow: true


```

#### 编写Bean

```java
package com.guotong.sysUser;

public class SysUser {
    private String username;
    private String password;
}
```

#### 编写Dao

```java
@Mapper
public interface SysUserDao {

    @Select("SELECT * FROM sys_user")
    List<SysUser> findAllUser();
}
```

#### 调用dao

```java
@Service
public class SysUserService {

    @Autowired
    private SysUserDao sysUserDao;

    public List<SysUser> findAll(){
        return sysUserDao.findAllUser();

    }
}
```