18 lines
561 B
Rust
18 lines
561 B
Rust
use rand::Rng;
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use std::fs::File;
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use std::io::Write;
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fn main() {
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// 生成随机序列号
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let serial_number = format!(
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"{}-{}-{}",
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rand::thread_rng().gen_range(100..1000),
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rand::thread_rng().gen_range(100..1000),
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rand::thread_rng().gen_range(100..1000)
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);
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let generated_code = format!(r#"pub const SERIAL_NUMBER: &str = "{}";"#, serial_number);
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let dest_path = "src/generated_serial_number.rs";
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let mut file = File::create(&dest_path).unwrap();
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file.write_all(generated_code.as_bytes()).unwrap();
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}
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