Flutter 如何在Flatter中将DateTime对象转换为json
我有DateTime,我正在尝试从JSON转换到JSON,但我得到了FormatException:未预期的字符,不知道是否有人可以帮助我或给我任何关于如何修复此错误的建议Flutter 如何在Flatter中将DateTime对象转换为json,flutter,dart,flutter-layout,flutter-dependencies,flutter-animation,Flutter,Dart,Flutter Layout,Flutter Dependencies,Flutter Animation,我有DateTime,我正在尝试从JSON转换到JSON,但我得到了FormatException:未预期的字符,不知道是否有人可以帮助我或给我任何关于如何修复此错误的建议 Class Item { DateTime lastRequested; } Item.fromJson(Map<String, dynamic> json) { lastRequested = json['lastRequested'] == null ? null
Class Item {
DateTime lastRequested;
}
Item.fromJson(Map<String, dynamic> json) {
lastRequested = json['lastRequested'] == null
? null
: DateTime.parse(json['lastRequested'] as String);
}
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = new Map<String, dynamic>();
data['lastRequested'] = this.lastRequested == null
? null
: this.lastRequested.toIso8601String();
return data;
}
}
类项目{
最后请求的日期时间;
}
Item.fromJson(映射json){
lastRequested=json['lastRequested']==null
无效的
:DateTime.parse(json['lastRequested']作为字符串);
}
映射到JSON(){
最终地图数据=新地图();
数据['lastRequested']=this.lastRequested==null
无效的
:this.lastRequested.toIso8601String();
返回数据;
}
}
您上次请求的时间应采用正确的格式,请验证是否采用以下指定的格式之一:
"2012-02-27"
"2012-02-27 13:27:00"
"2012-02-27 13:27:00.123456789z"
"2012-02-27 13:27:00,123456789z"
"20120227 13:27:00"
"20120227T132700"
"20120227"
"+20120227"
"2012-02-27T14Z"
"2012-02-27T14+00:00"
"-123450101 00:00:00 Z": in the year -12345.
"2002-02-27T14:00:00-0500": Same as "2002-02-27T19:00:00Z"
无论何时,当我们创建api时,我们都无法对需要对DateTime进行解析的api进行dart格式化 您可以将日期时间作为字符串获取,然后使用日期时间进行转换
将模型类别更改为
class DateConvert {
String saleStartDay;
factory DateConvert .fromJson(Map<String, dynamic> json) => DateConvert (
saleStartDay: (json["sale_start_day"]),
);
Map<String, dynamic> toJson() => {
"sale_start_day": saleStartDay,
};
}
Text(
DateFormat.yMMMd() .format(DateTime.parse(saleStartDay)).toString(),
style: TextStyle(
color: Colors.red,
fontWeight:
FontWeight.w300))