golang expected declaration, found 'IDENT'
這個問題是因為:=
只能在函式內部使用,如果宣告全域性變數需要使用var
關鍵字
例如
func foo() {
id := 1
}
如果宣告為全域性變數則需要這樣宣告
var id = 1
PS:Go中引入:=
是為了減少一些臨時變數的定義,所以一個好的習慣是:=
只用來宣告臨時變數,對於一個函式中常用的變數還是使用var
進行宣告。
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