[置頂] lua進階8-－ C++讀取lua文件里的三維表
來源：程序員人生 發布時間：2015-03-28 08:11:57 閱讀次數：2776次
前面lua進階里面講到用C++讀取2維表，但是最近又有了新的需求，lua文件里面出現了3維表，自己摸索了1下，終究找到了解決的方式，在這里面與大家分享1下</span>
我的lua文件里面的3維表結構以下
stage = {
{m_nId = 105,m_nBoss = 0,m_nScoreList = {300,450,600},m_nRewardList = {230401201,13020801,13010411},m_nDropItemList = {0,0,0}},
{m_nId = 106,m_nBoss = 0,m_nScoreList = {630,840,1050},m_nRewardList = {241801101,14000201,18000201},m_nDropItemList = {14000101,241700301,230501301}},
{m_nId = 107,m_nBoss = 0,m_nScoreList = {735,980,1225},m_nRewardList = {230400201,230400411,230500101},m_nDropItemList = {12020101,13010301,230401401}},
{m_nId = 108,m_nBoss = 0,m_nScoreList = {840,1120,1400},m_nRewardList = {19000101,241500901,18040201},m_nDropItemList = {14000401,230401201,14000101}},
{m_nId = 109,m_nBoss = 0,m_nScoreList = {1080,1440,1800},m_nRewardList = {12020301,230600101,241800501},m_nDropItemList = {16000401,230901101,230700301}},
{m_nId = 110,m_nBoss = 1,m_nScoreList = {1200,1600,2000},m_nRewardList = {0,0,220200901},m_nDropItemList = {230902101,231101101,231000401}}
}；
讀取代碼以下
#include <stdio.h>
extern "C"{
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
}
#include <iostream>
#include <vector>
#include "string.h"
using namespace std;
int main ( int argc, char *argv[] )
{
lua_State* L;
L=lua_open();
luaopen_base(L);
luaopen_table(L);
luaopen_string(L);
luaopen_math(L);
if (luaL_dofile(L, "stage.lua"))
{
printf("run script failed
");
}
else
{
int it_idx;
int t_idx;
lua_getglobal(L,"stage");
t_idx=lua_gettop(L);
cout << t_idx << endl;
lua_pushnil(L);
while(lua_next(L,t_idx))
{
it_idx=lua_gettop(L);
lua_pushnil(L);
//cout << "it_idx = " << it_idx << endl;
int m_id = 0;
while(lua_next(L,it_idx))
{
const char* strkey = lua_tostring(L,⑵);
if (strcmp(strkey, "m_nId") == 0) {
m_id = (int)lua_tonumber(L, ⑴);
cout << "m_id = " <<m_id << " ";
}
if (strcmp(strkey, "m_nBoss") == 0) {
m_id = (int)lua_tonumber(L, ⑴);
cout << "m_nBoss = " << m_id << " ";
}
if (strcmp(strkey, "m_nScoreList") == 0)
{
if (lua_istable(L, ⑴))
{
cout << "m_nScoreList = " ;
int ll_idx = lua_gettop(L);
//cout << "ll_idx = " << ll_idx << endl;
lua_pushnil(L);
while (lua_next(L, ll_idx))
{
cout << (int)lua_tonumber(L, ⑴) << " ";
lua_pop(L, 1);
}
}
}
if (strcmp(strkey, "m_nRewardList") == 0)
{
if (lua_istable(L, ⑴))
{
cout << " m_nRewardList = " ;
int ll_idx = lua_gettop(L);
// cout << "ll_idx = " << ll_idx << endl;
lua_pushnil(L);
while (lua_next(L, ll_idx))
{
cout << (int)lua_tonumber(L, ⑴) <<" ";
lua_pop(L, 1);
}
}
}
if (strcmp(strkey, "m_nDropItemList") == 0)
{
if (lua_istable(L, ⑴))
{
cout << " m_nDropItemList = ";
int ll_idx = lua_gettop(L);
// cout << "ll_idx = " << ll_idx << endl;
lua_pushnil(L);
while (lua_next(L, ll_idx))
{
cout << (int)lua_tonumber(L, ⑴) << " ";
lua_pop(L, 1);
}
}
}
lua_pop(L,1);
}
cout << endl;
lua_pop(L,1);
//break;
}
}
lua_close(L);
return 0;
}
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