質問編集履歴
1
コードを提示します
test
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test
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@@ -32,11 +32,133 @@
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コードを提示します。
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よろしくお願いいたします。
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import 'package:cloud_firestore/cloud_firestore.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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class CalcIlistScreen extends StatefulWidget {
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final index2;
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final index3;
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final index4;
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CalcIlistScreen({@required this.index2, this.index3, this.index4});
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@override
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createState() => _CalcIlistScreenState();
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}
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class _CalcIlistScreenState extends State<CalcIlistScreen> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: const Text("入庫一覧"),
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centerTitle: true,
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backgroundColor: Colors.blueAccent,
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leading: IconButton(
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icon: Icon(Icons.arrow_back),
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),
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),
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body: Padding(
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padding: const EdgeInsets.all(8.0),
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child: StreamBuilder<QuerySnapshot>(
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stream: Firestore.instance
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.collection("stock")
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.where("parts-code", isEqualTo: widget.index4) //index4は部品のコードNo.
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.where("category", isEqualTo: "入庫")
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.where("date", isGreaterThan: widget.index2) //index2は日付
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.orderBy("date", descending: true)
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.snapshots(),
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builder:
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(BuildContext context, AsyncSnapshot<QuerySnapshot> snapshot) {
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if (!snapshot.hasData) return const Text("Loading...");
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return ListView(
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children:
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snapshot.data.documents.map((DocumentSnapshot document) {
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return ListTile(
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title: Text(document["qty"]), //qtyは数量
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);
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}).toList(),
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);
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}),
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),
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);
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}
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}
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表示結果
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この合計170を表示（取得）させたいのですが？
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