/*1.lua*/
luat_Test1={a=123, b=456, c=789}
luat_Test2={123, 456, 789}
luatable = {
{
Level = 1,sid = "monster"
},
{
Level = 2,sid = "man"
}
}
for i,v in pairs(luatable)do
for j,v1 in pairs(v)do
print(j,v1);
end;
end;
#include <lua.hpp>
#include<iostream>using namespace std;
static void ReadTableFromItem(lua_State *L, const char* lpszTableName, const char* lpszTableItem)
{
//獲取lua中的lpszTableName Table的值 ,並壓入棧
lua_getglobal(L, lpszTableName);
//把字符串壓入棧頂
lua_pushstring(L, lpszTableItem);
<span style="font-size:12px;"><span style="font-family:SimSun;">//lua_getta</span><span style="font-family:SimSun;">ble以table在棧</span><span style="font-family:SimSun;">中的索引作爲參數,彈出棧頂的元素作爲key,返回與key對應的value並壓入棧頂。</span></span>
<span style="font-family: SimSun;font-size:12px;">//</span><span style="font-family: SimSun;font-size:12px;">lua_gettable會彈出棧頂的key,然後把對應的value壓入</span>lua_gettable(L, -2);
printf("%s.%s=%d\n", lpszTableName, lpszTableItem, (int)lua_tonumber(L, -1));
//彈出兩個數據
lua_pop(L,2);
}
static void ReadTableFromIndex(lua_State *L, const char* lpszTableName, int index)
{
lua_getglobal(L, lpszTableName);
//取得table[index]並放到棧頂
lua_rawgeti(L, -1, index);
printf("%s[%d]=%d\n", lpszTableName, index, (int)lua_tonumber(L, -1));
lua_pop(L, 2);
}
static void EnumTableItem(lua_State *L, const char* lpszTableName)
{
lua_getglobal(L, lpszTableName);
int it = lua_gettop(L);//取得棧頂元素的索引,即棧中元素的個數
lua_pushnil(L);//壓入nil到棧裏
printf("Enum %s:", lpszTableName);
/*
lua_next() 這個函數的工作過程是:
1) 先從棧頂彈出一個 key
2) 從棧指定位置的 table 裏取下一對 key-value,先將 key 入棧再將 value 入棧
3) 如果第 2 步成功則返回非 0 值,否則返回 0,並且不向棧中壓入任何值
*/
while(lua_next(L, it))
{
printf(" %d", (int)lua_tonumber(L, -1));
lua_pop(L, 1);
}
printf("\n");
lua_pop(L, 1);
}
int main (int argc, char* argv[])
{
lua_State *L = luaL_newstate();
luaopen_base(L);
luaL_dofile(L, "2.lua");
ReadTableFromItem(L, "luat_Test1", "a"); // 等價與lua代碼:print(luat_Test1.a)
ReadTableFromItem(L, "luat_Test1", "b");
ReadTableFromItem(L, "luat_Test1", "c");
EnumTableItem(L, "luat_Test1"); // 枚舉Table
ReadTableFromIndex(L, "luat_Test2", 1); // 等價與lua代碼:print(luat_Test1[1])
ReadTableFromIndex(L, "luat_Test2", 2);
ReadTableFromIndex(L, "luat_Test2", 3);
EnumTableItem(L, "luat_Test2");
lua_close(L);
getchar();
return 0;
}