name="gzw"

id=17010805

sex=man

tab={

    num=100,

    str="hello"

}

foo_one=function()

    print("不带参数的foo()被调用了")

end

foo_two=function(num)

    print("num=",num)

    return num

end

int main()

{

   lua_State* L=luaL_newstate(); //创建lua虚拟栈

   luaL_openlibs(L); //打开需要链接的库

   luaL_dofile(L,"a.lua");

   lua_getglobal(L,"name"); //把lua中的全局变量name拿出来压入了虚拟栈中

   lua_getglobal(L,"id");

  printf("栈中元素个数为:%d\n",lua_gettop(L));  //得到栈顶的索引,相当于求栈的长度

const  char* str=lua_tostring(L,1);   //压入的为字符长,所以根据索引转化打印

 int id=lua_tonumber(L,2);

 printf("str=%s\n",str);

 printf("id=%d\n",id);

 lua_close(L);

    return 0;

}

lua_getglobal(L,"tab");

lua_pushstring(L,"str");

lua_gettable(L,-2);

printf("tab.str=%s\n",lua_tostring(L,-1));

lua_pop(L,1);

lua_pushstring(L,"num");

lua_gettable(L,-2);

printf("tab.num=%g\n",lua_tonumber(L,-1));

lua_getglobal(L,"foo_one");

lua_pcall(L,0,0,0); 

lua_getglobal(L,"foo_two");

lua_pushnumber(L,123);

lua_pcall(L,1,1,0);