package mainimport (	"encoding/json"	"fmt"	"net/http"	"strconv"	. "github.com/soekchl/myUtils")type Student struct {	Id    int	Name  string	phone string // 不顯示}var (	students []Student)func main() {	students = append(students, Student{Id: 1, Name: "Luke1"})	students = append(students, Student{Id: 2, Name: "Luke2"})	students = append(students, Student{Id: 3, Name: "Luke3"})	students = append(students, Student{Id: 4, Name: "Luke4"})	students = append(students, Student{Id: 5, Name: "Luke5"})	students = append(students, Student{Id: 6, Name: "Luke6"})	http.HandleFunc("/", get)	Notice("開始監聽：8080端口")	if err := http.ListenAndServe(":8088", nil); err != nil {		Error("接口服務器開啟失??！", err)	}}func get(w http.ResponseWriter, r *http.Request) {	limit, _ := strconv.Atoi(r.FormValue("limit"))	if limit < 1 || limit > len(students) {		limit = len(students)	}	data, err := json.Marshal(students[:limit])	if err != nil {		Error("數據解析錯誤！", err)		fmt.FPRintf(w, "數據解析錯誤！")		return	}	fmt.Fprintf(w, string(data))}監聽 8088 端口   調用 http://localhost:8088/?limit=3