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Lua table数据如下：
--$ cat test.lua lua文件
user = {
["name"] = "zhangsan",
["age"] = "22",
["friend"] = {
[1] = {
["name"] = "小丽",
["sex"] = "女",
["age"] = "20",
},
[2] = {
["name"] = "小罗",
["sex"] = "男",
["age"] = "20",
},
},
}
要读出上面table 中所有数据,C++代码如下：
//C++代码：
#include <lua.hpp>
#include <iostream>
#include <string>
using namespace std;
bool popTable(lua_State* L, int idx)
{
try{
lua_pushnil(L);
while(lua_next(L, idx) != 0){
int keyType = lua_type(L, -2);
if(keyType == LUA_TNUMBER){
double value = lua_tonumber(L, -2);
cout << "Key:" << value << endl;
}else if(keyType == LUA_TSTRING){
const char* value = lua_tostring(L, -2);
cout << "Key:" << value << endl;
}else{
cout << "Invalid key type: " << keyType << endl;
return false;
}
int valueType = lua_type(L, -1);
switch(valueType){
case LUA_TNIL:
{
cout << "Value: nil" << endl;
break;
}
case LUA_TBOOLEAN:
{
int value = lua_toboolean(L, -1);
cout << value << endl;
break;
}
case LUA_TNUMBER:
&}
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