我需要帮助使用objective-c解析json
这是我的json:
{
"days": [
{
"reference": "13L6-A67-1",
"period": "",
"dayinit": "4",
"hourinit": "9",
"minuteinit": "30",
"dayend": "4",
"hourend": "10",
"minuteend": "30",
"totalattendance": "5",
"currentattendance": "5",
"teacher_surname": "jones",
"teacher_forenames": "Carol",
"room": "C109"
},
{
"reference": "13NAPUSD-A1",
"period": "",
"dayinit": "3",
"hourinit": "10",
"minuteinit": "45",
"dayend": "3",
"hourend": "11",
"minuteend": "45",
"totalattendance": "3",
"currentattendance": "3",
"teacher_surname": "Carol",
"teacher_forenames": "Nicola",
"room": "M139"
},
{
"reference": "13NASUWO-X1",
"period": "",
"dayinit": "3",
"hourinit": "14",
"minuteinit": "40",
"dayend": "3",
"hourend": "15",
"minuteend": "5",
"totalattendance": "0", …