要解析復(fù)雜的JSON數(shù)據(jù),可以使用jsondecode函數(shù)來(lái)將JSON字符串轉(zhuǎn)換為MATLAB中的數(shù)據(jù)結(jié)構(gòu)。以下是一個(gè)例子:
假設(shè)有一個(gè)復(fù)雜的JSON字符串如下:
{
"name": "John",
"age": 30,
"address": {
"street": "123 Main St",
"city": "New York",
"state": "NY"
},
"friends": [
{
"name": "Alice",
"age": 25
},
{
"name": "Bob",
"age": 35
}
]
}
可以使用jsondecode函數(shù)將該JSON字符串解析為MATLAB中的結(jié)構(gòu)體:
jsonStr = '{"name": "John", "age": 30, "address": {"street": "123 Main St", "city": "New York", "state": "NY"}, "friends": [{"name": "Alice", "age": 25}, {"name": "Bob", "age": 35}]}';
data = jsondecode(jsonStr);
disp(data.name); % Output: John
disp(data.age); % Output: 30
disp(data.address.street); % Output: 123 Main St
disp(data.address.city); % Output: New York
disp(data.friends(1).name); % Output: Alice
disp(data.friends(1).age); % Output: 25
disp(data.friends(2).name); % Output: Bob
disp(data.friends(2).age); % Output: 35
通過(guò)使用jsondecode函數(shù),可以輕松地解析復(fù)雜的JSON數(shù)據(jù)并訪問(wèn)其中的字段和值。