initial commit

util.go

@@ -0,0 +1,60 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"os"
+)
+
+// Time2Millisecond 根据分，秒，毫秒 计算出对应的毫秒值
+func Time2Millisecond(m, s, ms int) int {
+	t := m*60 + s
+	t *= 1000
+	t += ms
+	return t
+}
+
+// Millisecond2Time 根据毫秒值计算出对应的 时，分，秒，毫秒形式的时间值
+func Millisecond2Time(millisecond int) (h, m, s, ms int) {
+	ms = millisecond % 1000
+
+	s = millisecond / 1000
+	m = s / 60
+	h = m / 60
+
+	s %= 60
+	m %= 60
+	return
+}
+
+func ReadFile(name string) string {
+	if name == "" {
+		return ""
+	}
+	file, err := os.Open(name)
+	if err != nil {
+		fmt.Printf("打开文件失败：%v\n", err)
+		os.Exit(1)
+	}
+	defer file.Close()
+	data, err := io.ReadAll(file)
+	if err != nil {
+		fmt.Printf("读取文件失败：%v\n", err)
+		os.Exit(1)
+	}
+	return string(data)
+}
+
+func WriteFile(name string, data string) {
+	file, err := os.OpenFile(name, os.O_WRONLY|os.O_CREATE, os.ModePerm)
+	if err != nil {
+		fmt.Printf("保存文件失败：%v\n", err)
+		os.Exit(1)
+	}
+	defer file.Close()
+	nw, err := file.WriteString(data)
+	if err != nil || nw < len(data) {
+		fmt.Printf("保存文件失败：%v\n", err)
+		os.Exit(1)
+	}
+}