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Generator - java generates 18-digit unique id
習慣沉默
習慣沉默 2017-06-12 09:23:08
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Each Alipay coupon has an 18-digit integer ID, and the consumption code on WeChat's coupon is 12 digits. I would like to know how this 18-digit unique ID is generated. Aren't they generally 64-bit? Or UUiD

習慣沉默
習慣沉默

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世界只因有你
世界只因有你2017-06-12 09:25:08 2 floor

http://www.wangtao.pw/admin/d... Use java to generate pure numeric unique IDs (no database involved. Customized number of digits)

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    伊谢尔伦
    伊谢尔伦2017-06-12 09:25:08 1 floor

    You can read this article from Meituan, it should be helpful to you http://tech.meituan.com/MT_Le...

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