go调用dll打印彩色字体

win_dll

    package main
    
    import(
    	"syscall"
    	"fmt"
    )
    const(
    	//标准输出宏
    	STD_OUTPUT_HANDLE = uint32(-11 & 0xFFFFFFFF)
    )
    
    var(
    	err error
    	kernel32,_ = syscall.LoadLibrary("kernel32.dll")
    	//设置console属性
    	setConsoleTextAttribute ,_ = syscall.GetProcAddress(kernel32,"SetConsoleTextAttribute")
    	//获取标准输入输出的函数
    	getStdHandle ,_ = syscall.GetProcAddress(kernel32,"GetStdHandle")
    	//标准输出
    	hCon uintptr
    
    )
    
    func init(){
    	//nargs 代表参数个数
    	var nargs uintptr = 1
    
    	//参数需要全部转成uinptr
    	hCon,_,_ = syscall.Syscall(uintptr(getStdHandle),nargs,uintptr(STD_OUTPUT_HANDLE),0,0)
    }
    func SetConsoleTextAttribute(hConsoleOutput uintptr, wAttributes uint32) bool{
    	var nargs uintptr = 2
    	ret,_,_:=syscall.Syscall(setConsoleTextAttribute,nargs,hConsoleOutput,uintptr(wAttributes),0)
    	return ret!=0
    }
    func main(){
    	defer syscall.FreeLibrary(kernel32)
    	SetConsoleTextAttribute(hCon,0x001f)
    	fmt.Println("Hello world!")
        //恢复默认值
    	SetConsoleTextAttribute(hCon,0x0007)
    }