首次提交:初始化项目代码

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sunct
2026-07-31 15:18:32 +08:00
commit d6393266b0
193 changed files with 14287 additions and 0 deletions
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package main
import (
"bytes"
"fmt"
)
func main() {
// 1. fmt.Scanf:控制台解析“姓名 年龄”(需手动输入,如“sanmiao 20”)
var name string
var age int
fmt.Print("请输入姓名 年龄:")
successCount, err := fmt.Scanf("%s %d", &name, &age)
if err != nil {
fmt.Printf("解析失败:成功解析%d个值,错误:%v\n", successCount, err)
} else {
fmt.Printf("控制台解析结果:姓名=%s,年龄=%d\n", name, age)
}
// 2. fmt.Sscanf:解析固定格式日志字符串(修正变量名重复问题)
logStr := "2025-10-31 20:08:20 [ INFO ] 服务启动完成 (耗时30ms"
var logDate, logTime, level, msg string // 拆分日期和时间变量,避免覆盖
var cost int
// 格式字符串与logStr结构严格匹配(日期+时间+[级别]+消息+耗时)
_, _ = fmt.Sscanf(logStr, "%s %s [ %s ] %s (耗时%dms",
&logDate, &logTime, &level, &msg, &cost)
fmt.Printf("字符串解析结果:日期=%s,时间=%s,级别=%s,消息=%s,耗时=%dms\n",
logDate, logTime, level, msg, cost)
// 3. fmt.Fscan:从缓冲区解析配置数据
configBuf := bytes.NewBufferString("maxConn=100 timeout=30 retry=3")
var key1, key2, key3 string
var val1, val2, val3 int
_, _ = fmt.Fscan(configBuf, &key1, &val1, &key2, &val2, &key3, &val3)
fmt.Printf("缓冲区解析结果:%s=%d%s=%d%s=%d\n",
key1, val1, key2, val2, key3, val3)
}