重Lua官网下载最新的Lua5.3.2解压后把src文件下的所有文件(Lua.c,Luac.c除外)复制到项目的目录下,并添加到项目中,
创建一个Lua脚本文件
--region *.lua
--Date
--此文件由[BabeLua]插件自动生成
print("lua script func.lua have been load ")
avg, sum = average(10, 20, 30, 40, 50)
print("The average is ", avg)
print("The sum is ", sum)
function add(x,y)
return x+y+x*y
end
--endregion
C++文件如下
#include <iostream>
#include <stdio.h>
extern "C" {
//#include "lprefix.h"
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
}
using namespace std;
lua_State* L;
static int average(lua_State *L)
{
//返回栈中元素的个数
int n = lua_gettop(L);
double sum = 0;
int i;
for (i = 1; i <= n; i++)
{
if (!lua_isnumber(L, i))
{
lua_pushstring(L, "Incorrect argument to 'average'");
lua_error(L);
}
sum += lua_tonumber(L, i);
}
/* push the average */
lua_pushnumber(L, sum / n);
/* push the sum */
lua_pushnumber(L, sum);
/* return the number of results */
return 2;
}
void main()
{
//cout << "Hello CML" << endl;
/* 初始化 Lua */
L = luaL_newstate();
/* 载入Lua基本库 */
luaL_openlibs(L);
/* register our function */
lua_register(L, "average", average);
/* 运行脚本 */
luaL_dofile(L, "e://lua1.lua");
lua_getglobal(L, "avg");
int avg = lua_tointeger(L, -1);
lua_pop(L, 1);
lua_getglobal(L, "sum");
int sum = lua_tointeger(L, -1);
lua_getglobal(L, "add");
lua_pushinteger(L, 10);
lua_pushinteger(L, 20);
lua_pcall(L, 2, 1, 0);
printf("lua add function return val is %d \n", lua_tointeger(L, -1));
/* 清除Lua */
lua_close(L);
/* 暂停 */
printf("Press enter to exit…");
getchar();
}