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update dev-java-mybatis (#16169) #16300

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merged 2 commits into from
Jan 24, 2024
Merged

update dev-java-mybatis (#16169) #16300

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7b70f28
update dev-java-mybatis
Weaxs Jan 11, 2024
708afeb
del interface PlayerMapper
Weaxs Jan 15, 2024
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42 changes: 21 additions & 21 deletions develop/dev-guide-sample-application-java-mybatis.md
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ cd tidb-java-mybatis-quickstart
6. 复制并粘贴对应连接字符串至 `env.sh` 中。需更改部分示例结果如下：

```shell
export TIDB_HOST='{host}' # e.g. gateway01.ap-northeast-1.prod.aws.tidbcloud.com
export TIDB_HOST='{host}' # e.g. xxxxxx.aws.tidbcloud.com
export TIDB_PORT='4000'
export TIDB_USER='{user}' # e.g. xxxxxx.root
export TIDB_PASSWORD='{password}'
Expand Down Expand Up @@ -112,9 +112,9 @@ cd tidb-java-mybatis-quickstart
5. 复制并粘贴对应的连接字符串至 `env.sh` 中。需更改部分示例结果如下：

```shell
export TIDB_HOST='{host}' # e.g. tidb.xxxx.clusters.tidb-cloud.com
export TIDB_HOST='{host}' # e.g. xxxxxx.aws.tidbcloud.com
export TIDB_PORT='4000'
export TIDB_USER='{user}' # e.g. root
export TIDB_USER='{user}' # e.g. xxxxxx.root
export TIDB_PASSWORD='{password}'
export TIDB_DB_NAME='test'
export USE_SSL='false'
Expand All @@ -137,9 +137,9 @@ cd tidb-java-mybatis-quickstart
2. 复制并粘贴对应 TiDB 的连接字符串至 `env.sh` 中。需更改部分示例结果如下：

```shell
export TIDB_HOST='{host}'
export TIDB_HOST='{host}' # e.g. xxxxxx.aws.tidbcloud.com
export TIDB_PORT='4000'
export TIDB_USER='root'
export TIDB_USER='root' # e.g. xxxxxx.root
export TIDB_PASSWORD='{password}'
export TIDB_DB_NAME='test'
export USE_SSL='false'
Expand Down Expand Up @@ -193,19 +193,19 @@ cd tidb-java-mybatis-quickstart
<!-- Database pool -->
<dataSource type="POOLED">
<property name="driver" value="com.mysql.cj.jdbc.Driver"/>
<property name="url" value="${tidb_jdbc_url}"/>
<property name="username" value="${tidb_user}"/>
<property name="password" value="${tidb_password}"/>
<property name="url" value="${TIDB_JDBC_URL}"/>
<property name="username" value="${TIDB_USER}"/>
<property name="password" value="${TIDB_PASSWORD}"/>
</dataSource>
</environment>
</environments>
<mappers>
<mapper resource="${mapper_location}.xml"/>
<mapper resource="${MAPPER_LOCATION}.xml"/>
</mappers>
</configuration>
```

请将 `${tidb_jdbc_url}`、`${tidb_user}`、`${tidb_password}` 等替换为你的 TiDB 集群的实际值。并替换 `${mapper_location}` 的值为你的 mapper XML 配置文件的位置。如果你有多个 mapper XML 配置文件，需要添加多个 `<mapper/>` 标签。随后编写以下函数：
请将 `${TIDB_JDBC_URL}`、`${TIDB_USER}`、`${TIDB_PASSWORD}` 等替换为你的 TiDB 集群的实际值。并替换 `${MAPPER_LOCATION}` 的值为你的 mapper XML 配置文件的位置。如果你有多个 mapper XML 配置文件，需要添加多个 `<mapper/>` 标签。随后编写以下函数：

```java
public SqlSessionFactory getSessionFactory() {
Expand All @@ -223,8 +223,8 @@ public SqlSessionFactory getSessionFactory() {
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.pingcap.model.PlayerMapper">
<insert id="insert" parameterType="com.pingcap.model.Player">
insert into player (id, coins, goods)
values (#{id,jdbcType=VARCHAR}, #{coins,jdbcType=INTEGER}, #{goods,jdbcType=INTEGER})
INSERT INTO player (id, coins, goods)
VALUES (#{id, jdbcType=VARCHAR}, #{coins, jdbcType=INTEGER}, #{goods, jdbcType=INTEGER})
</insert>
</mapper>
```
Expand All @@ -248,9 +248,9 @@ public SqlSessionFactory getSessionFactory() {
</resultMap>

<select id="selectByPrimaryKey" parameterType="java.lang.String" resultMap="BaseResultMap">
select id, coins, goods
from player
where id = #{id,jdbcType=VARCHAR}
SELECT id, coins, goods
FROM player
WHERE id = #{id, jdbcType=VARCHAR}
</select>
</mapper>
```
Expand All @@ -266,10 +266,10 @@ public SqlSessionFactory getSessionFactory() {
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.pingcap.model.PlayerMapper">
<update id="updateByPrimaryKey" parameterType="com.pingcap.model.Player">
update player
set coins = #{coins,jdbcType=INTEGER},
goods = #{goods,jdbcType=INTEGER}
where id = #{id,jdbcType=VARCHAR}
UPDATE player
SET coins = #{coins, jdbcType=INTEGER},
goods = #{goods, jdbcType=INTEGER}
WHERE id = #{id, jdbcType=VARCHAR}
</update>
</mapper>
```
Expand All @@ -285,8 +285,8 @@ public SqlSessionFactory getSessionFactory() {
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.pingcap.model.PlayerMapper">
<delete id="deleteByPrimaryKey" parameterType="java.lang.String">
delete from player
where id = #{id,jdbcType=VARCHAR}
DELETE FROM player
WHERE id = #{id, jdbcType=VARCHAR}
</delete>
</mapper>
```
Expand Down