44 lines
844 B
Go
44 lines
844 B
Go
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package main
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import (
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"fmt"
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"strconv"
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)
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func main() {
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//从字符串解析出整形
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str := "10000"
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retInt64, err := strconv.ParseInt(str, 10, 64) //均转换成int64
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if err != nil {
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fmt.Println(err)
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}
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fmt.Printf("%v,%T\n", retInt64, retInt64)
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//转换成int类型
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retInt, _ := strconv.Atoi(str)
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fmt.Printf("%v,%T\n", retInt, retInt)
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//将数字转换成字符串类型
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i := int32(97)
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ret := fmt.Sprintf("%d", i)
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fmt.Printf("%#v\n", ret)
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//数字转换成字符串类型
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iInt := int(i)
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retStr := strconv.Itoa(iInt)
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fmt.Printf("%#v\n", retStr)
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//字符串转换成bool类型
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boolstr := "true"
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boolV, _ := strconv.ParseBool(boolstr)
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fmt.Printf("%v,%T\n", boolV, boolV)
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//字符串解析成浮点类型
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floatstr := "1.234"
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floatV, _ := strconv.ParseFloat(floatstr, 64)
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fmt.Printf("%v,%T\n", floatV, floatV)
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}
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