报错如下:
ubuntu@buildserver:~/gospace$ go build src/runk/test.go
# command-line-arguments
src/runk/test.go:8: cannot convert myvar (type []string) to type string
ubuntu@buildserver:~/gospace$
下面是代码:
ubuntu@buildserver:~/gospace$ cat src/run/test.go
package main
func Test() string {
var myvar []string
myvar = append(myvar, "hello world")
return string(myvar)
}
func main() {
Test()
}
ubuntu@buildserver:~/gospace$
myvar
is a slice of strings, and you want a single string? If you just want to concatinate them you can use strings.Join(myvar,"")
.
Or not make a string slice in the first place:
myvar := ""
myvar += "hello, world!"
return myvar
使用 strings.Join(myvar,"")
myvar类型不是string兼容类型,确实不能直接转为string