NamedParameterJdbcTemplate的查找list方法

  • bean实例
@Data
public class User{
	int id;
	String name;
	int age;
}
  • 查询单个属性值
final String sql = "select name from User where age=:age ";
Map<String, String> params = new HashMap<>(1);
params.put("age", age);
List<String> names = namedParameterJdbcTemplate.queryForList(sql , params, String.class);
  • 查询bean集合(无需实现RowMappe接口)
String sql = "select * from User where age=:age";
Map<String, String> params = new HashMap<>(1);
params.put("age", age);
List<User> users= namedParameterJdbcTemplate.query(sql, params, new BeanPropertyRowMapper(User.class));

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转载自blog.csdn.net/God__is__a__girl/article/details/84584785
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