oracle in后面 传泛型为字符串的数组 java代码和 XML怎么写
时间: 2024-03-20 11:39:36 浏览: 103
Java代码示例:
```java
// 创建一个字符串数组
List<String> stringList = Arrays.asList("apple", "banana", "orange");
// 获取Oracle连接
Connection connection = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:xe", "username", "password");
// 创建ARRAY类型
Array array = connection.createArrayOf("VARCHAR2", stringList.toArray());
// 创建PreparedStatement
PreparedStatement preparedStatement = connection.prepareStatement("SELECT * FROM my_table WHERE my_column IN (?)");
// 设置参数
preparedStatement.setArray(1, array);
// 执行查询
ResultSet resultSet = preparedStatement.executeQuery();
```
在这个示例中,我们将List<String>转换为数组,然后使用`createArrayOf`方法创建了一个类型为VARCHAR2的ARRAY,将其设置为PreparedStatement的参数,然后执行查询。
XML示例:
```xml
<select id="selectByList" parameterType="java.util.List" resultType="com.example.MyObject">
SELECT *
FROM my_table
WHERE my_column IN
<foreach collection="list" item="item" open="(" separator="," close=")">
#{item}
</foreach>
</select>
```
在这个示例中,我们使用Mybatis框架,将List作为参数传递给select语句。使用`foreach`标签将List中的每个元素作为参数传递给查询语句的IN条件。
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