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Feat: add toStr function in transformer interceptor (#152)
Co-authored-by: Mercurius-lei <lei.ch1941@gmail.com}>
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@ -570,6 +570,23 @@ const (
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}
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```
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### toStr(key, type)
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将字段值转换为字符串。
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参数:
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- key: 目标字段
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- type: 转换前的字段类型,可为`bool`, `int`, `float`, `int64`, `float64`。非必填,如果已知字段类型,建议填写,填写时请自行保证类型正确,否则可能导致转换失败;如果未填写,将根据反射获取字段类型,可能会对采集效率产生影响。
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!!! example
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``yaml - action: toStr(code, int) ``
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input:``json { "body": "2021-02-16T09:21:20.545525544Z DEBUG this is log body", "code": 200 } ``
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output:``json { "body": "2021-02-16T09:21:20.545525544Z DEBUG this is log body", "code": "200" } ``
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### print()
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打印event。一般用于调试阶段使用。
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