1111

controllers/his_api_controller.go

 	"github.com/shopspring/decimal"
 	"io"
 	"io/ioutil"
+	"log"
 	"math/rand"
 	"net/http"
 	"os"
 func GetBasBaseInfo() (jsonStr string, err error) {
 	//handle := syscall.MustLoadDLL("SSCard.dll")
 
-	str := make([]byte, 1024)
-	str1 := make([]byte, 1024)
-	r, _, _ := ReadCardBas.Call((uintptr)(unsafe.Pointer(&str[0])), IntPtr(0), (uintptr)(unsafe.Pointer(&str1[0])), IntPtr(0))
+	h, e := syscall.LoadLibrary("SSCard.dll") //Make sure this DLL follows Golang machine bit architecture (64-bit in my case)
+	if e != nil {
+		log.Fatal(e)
+	}
+	defer syscall.FreeLibrary(h)
+	proc, e := syscall.GetProcAddress(h, "ReadCardBas") //One of the functions in the DLL
+	if e != nil {
+		log.Fatal(e)
+	}
 
-	fmt.Println(r)
-	fmt.Println(string(str))
+	n, _, _ := syscall.Syscall9(uintptr(proc), 0, 2, 2, 2, 2, 0, 0, 0, 0, 0) //Pay attention to the positioning of the parameter
+	fmt.Printf("Hello dll function returns %d\n", n)
 
-	return string(str), nil
+	//str := make([]byte, 1024)
+	//str1 := make([]byte, 1024)
+	//r, _, _ := ReadCardBas.Call((uintptr)(unsafe.Pointer(&str[0])), IntPtr(0), (uintptr)(unsafe.Pointer(&str1[0])), IntPtr(0))
+	//
+	//fmt.Println(r)
+	//fmt.Println(string(str))
+	//
+	//return string(str), nil
 }
 
 func GetSFZBaseInfo() (jsonStr string, err error) {