虽然我尝试从JSON提取数据,但只能返回第一个对象。 我提到了我认为问题所在的声明。我想从JSON返回所有可用的对象,以便将其显示在卡列表中。我需要返回所有JSON对象,并将其传递到包含卡片列表的另一页。如果有人知道解决方案,请帮助我修复它。 提前致谢。
import 'dart: convert';
import 'package:flutter/cupertino.dart';
import 'package:tts/tts.dart';
import 'package:wiizboo/service/Chatmsg_service.dart';
import 'package:wiizboo/widget/a%20copy.dart';
import 'package:wiizboo/widget/chat_in_message.dart';
import 'package:wiizboo/widget/chat_out_message.dart';
import 'package:wiizboo/widget/form.dart';
import 'package:wiizboo/widget/image_camera.dart';
import 'package:wiizboo/widget/image_gallery.dart';
class ChatMessageModel with ChangeNotifier {
String data;
List accntdet;
ChatmessageService chatservice = ChatmessageService();
List<Widget> messages = <Widget>[];
ChatMessageModel() {
sendMsg("Hi");
}
Future handlesubmission(String chattext) {
Widget message = new ChatInMessage(
text: chattext,
name: "Me",
type: true,
);
addMsg(message);
sendMsg(chattext);
}
addMsg(Widget msg) {
messages.insert(0, msg);
notifyListeners();
}
sendMsg(String msg) {
chatservice.SendMsg(msg).then((String msg) {
responseBuilder(msg);
});
}
responseBuilder(String msg) {
Widget message;
String identifier = '';
var arr = msg.split("~");
if (arr.length > 1) {
identifier = arr[0];
msg = arr[1];
} else {
msg = arr[0];
}
switch (identifier) {
case 'email_phone':
message = new Forms(onSubmitted: (String val) {
Widget a = new ChatInMessage(
text: val,
name: "Me",
type: true,
);
addMsg(a);
sendMsg(val);
});
break;
case 'selfie':
message = new ImageCamera(onSubmitted: (String imageres) {
Widget b = new ChatInMessage(
text: imageres,
name: "Me",
type: true,
);
sendMsg(imageres);
});
break;
case 'aadhar':
message = new ImageGalery(onSubmitted: (String imageres) {
Widget b = new ChatInMessage(
text: imageres,
name: "Me",
type: true,
);
sendMsg(imageres);
});
break;
case 'account_info':
print(msg);
data = msg;
String receivedJson = data;
List<dynamic> list = json.decode(receivedJson);
accntdet = list;
int l = list.length;
print(l);
//------------ the statement --------//
for (dynamic account in accntdet) {
message = new AccountInfo(
l: l,
iban: account['ibn_no'],
accno: account['account_no'],
sort: account['sort-code'],
currency: account['currency'],
);
}
//----------//
print(message);
break;
default:
message = new ChatOutMessage(
text: msg,
name: "WzBoo..",
);
Tts.speak(msg);
}
addMsg(message);
}
}
答案 0 :(得分:0)
更改此团体
class ChatMessageModel with ChangeNotifier {
String data;
List accntdet;
ChatmessageService chatservice = ChatmessageService();
List<Widget> messages = <Widget>[];
ChatMessageModel() {
sendMsg("Hi");
}
Future handlesubmission(String chattext) {
Widget message = new ChatInMessage(
text: chattext,
name: "Me",
type: true,
);
addMsg(message);
sendMsg(chattext);
}
addMsg(Widget msg) {
messages.insert(0, msg);
notifyListeners();
}
sendMsg(String msg) {
chatservice.SendMsg(msg).then((String msg) {
responseBuilder(msg);
});
}
responseBuilder(String msg) {
Widget message;
String identifier = '';
var arr = msg.split("~");
if (arr.length > 1) {
identifier = arr[0];
msg = arr[1];
} else {
msg = arr[0];
}
switch (identifier) {
case 'email_phone':
message = new Forms(onSubmitted: (String val) {
Widget a = new ChatInMessage(
text: val,
name: "Me",
type: true,
);
addMsg(a);
sendMsg(val);
});
break;
case 'selfie':
message = new ImageCamera(onSubmitted: (String imageres) {
Widget b = new ChatInMessage(
text: imageres,
name: "Me",
type: true,
);
sendMsg(imageres);
});
addMsg(message);
break;
case 'aadhar':
message = new ImageGalery(onSubmitted: (String imageres) {
Widget b = new ChatInMessage(
text: imageres,
name: "Me",
type: true,
);
sendMsg(imageres);
});
break;
case 'account_info':
print(msg);
data = msg;
String receivedJson = data;
List<dynamic> list = json.decode(receivedJson);
accntdet = list;
int l = list.length;
print(l);
//------------ the statement --------//
for (dynamic account in accntdet) {
message = new AccountInfo(
l: l,
iban: account['ibn_no'],
accno: account['account_no'],
sort: account['sort-code'],
currency: account['currency'],
);
print(message);
addMsg(message);
}
//----------//
break;
default:
message = new ChatOutMessage(
text: msg,
name: "WzBoo..",
);
Tts.speak(msg);
addMsg(message);
}
}
}