红帽全球峰会234.5. MVEL 上下文
Camel 将在 MVEL 上下文中提供交换信息（调整 映射）。Exchange 被传输为：
| key | value |
|---|---|
|
|
|
|
|
|
|
| In 消息的标头。 |
|
| Camel 上下文手册. |
|
| In 消息。 |
|
| In 消息。 |
|
| In message body。 |
|
| Out 消息（仅适用于 InOut 消息交换模式）。 |
|
| Out 消息（仅适用于 InOut 消息交换模式）。 |
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