Parse the following code: If you don’t know how to add local json, you can read my other article flutter parsing local json
rootBundle.loadString("images/list.json").then((value){
//将json转成list数据
List responseJson = json.decode(value);
//将数组循环解析,得到解析后的数组
var list = responseJson.map((m) => ListBean.fromJson(m)).toList();
});