红帽全球峰会171.5. 使用命名参数
可作为 Camel 2.12 提供
在给定路由中，我们希望从 projects 表中获取所有项目。注意 SQL 查询具有 2 个命名参数，即 :?lic 和 :?min。
Camel 随后将从邮件标题查找这些参数。请注意，在上面的示例中，我们为命名参数设置了带有恒定值
的两个标头：
from("direct:projects")
.setHeader("lic", constant("ASF"))
.setHeader("min", constant(123))
.setBody("select * from projects where license = :?lic and id > :?min order by id")
.to("jdbc:myDataSource?useHeadersAsParameters=true")
from("direct:projects")
.setHeader("lic", constant("ASF"))
.setHeader("min", constant(123))
.setBody("select * from projects where license = :?lic and id > :?min order by id")
.to("jdbc:myDataSource?useHeadersAsParameters=true")
您也可以将标头值存储在 java.util.Map 中，并使用键 CamelJdbcParameters 存储在标题上。
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