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main.cpp
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65 lines (62 loc) · 1.41 KB
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#include <iostream>
#include <string.h>
#include <unistd.h>
using namespace std;
extern "C"
{
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
}
int test(char* fun,int arg1,int arg2)
{
//1.创建Lua状态
lua_State *L = luaL_newstate();
if (L == NULL)
{
return 0;
}
//2.加载Lua文件
int bRet = luaL_loadfile(L,"hello.lua");
if(bRet)
{
cout<<"load file error"<<endl;
return 0;
}
//3.运行Lua文件
bRet = lua_pcall(L,0,0,0);
if(bRet)
{
cout<<"pcall error"<<endl;
return 0;
}
lua_getglobal(L,fun); // 获取函数，压入栈中
lua_pushnumber(L,arg1); // 压入第一个参数
lua_pushnumber(L,arg2); // 压入第二个参数
int iRet= lua_pcall(L, 2, 1, 0);// 调用函数，调用完成以后，会将返回值压入栈中，2表示参数个数，1表示返回结果个数。
if (iRet) // 调用出错
{
const char *pErrorMsg = lua_tostring(L, -1);
cout << pErrorMsg << endl;
lua_close(L);
return 0;
}
if (lua_isnumber(L, -1)) //取值输出
{
double fValue = lua_tonumber(L, -1);
cout << "Result is " << fValue << endl;
}
lua_close(L);
return 0;
}
int main(int argc,char *argv[])
{
int select = 0;
while(1)
{
test("add",select,select+1);
++select;
sleep(2);
}
return 0;
}