> ## Documentation Index
> Fetch the complete documentation index at: https://docs.xray.cool/llms.txt
> Use this file to discover all available pages before exploring further.

# Timestamp

> `Timestamp`类型实际是google.protobuf.Timestamp类型，为cel表达式本身自带的类型

## 类型介绍

介绍举例时间点将采用时间戳为`1234567890`,时间为`2009-02-13T23:31:30Z`进行举例

| 方法 | 方法介绍 | 使用举例 | 返回值 | 完整示例 |
| - | - | - | - | - |
| `int()` | 将Timestamp类型转换为整型的时间戳 | `int(timestamp('2009-02-13T23:31:30Z'))` | `1234567890` | [timestamp\_conversions](https://github.com/google/cel-spec/blob/master/tests/simple/testdata/timestamps.textproto#L3) |
| `getFullYear()` | 获取这个时间的年份 | `timestamp('2009-02-13T23:31:30Z').getFullYear()` | `2009` | [timestamp\_selectors](https://github.com/google/cel-spec/blob/master/tests/simple/testdata/timestamps.textproto#L42) |

## 其他功能

* [时间对比](https://github.com/google/cel-spec/blob/master/tests/simple/testdata/timestamps.textproto#L244)
* [时间运算](https://github.com/google/cel-spec/blob/master/tests/simple/testdata/timestamps.textproto#L210)

完整功能请参考文档[timestamps.textproto](https://github.com/google/cel-spec/blob/master/tests/simple/testdata/timestamps.textproto)


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