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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] ## 格式化輸出 > fmt.Printf() : 打印出格式化的字符串 > fmt.Sprintf():格式化并返回一個字符串而不帶任何輸出 ~~~ // 格式化打印 intval := 11 fmt.Printf("%d:type is %T\n", intval, intval) // 格式化的結果傳入到str變量 str := fmt.Sprintf("%d:type2 is %T\n", intval, intval) fmt.Println(str) ~~~ ## 通用占位符 ~~~ %v 通用數據輸出(v為value的簡寫),通用所有數據類型,以及結構體。 %d int數值,如(u)int,(u)int8,(u)int16,(u)int32,(u)int64 %f 浮點數,如float32,float64 %o 八進制輸出 %s 字符串,如string %p 指針或通道,如chan,pointer %t 布爾值,如bool ~~~ > 例子 ~~~ floatval := 12.23 obj := Person{Name: "wk", Age: 11} // 格式化打印 fmt.Printf("%f:type is %T\n", floatval, floatval) fmt.Printf("%v:type is %T\n", floatval, floatval) fmt.Printf("%+v:type is %T\n", obj, obj) ~~~
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