質問編集履歴
7
Bvueのkeyを修正しました
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@@ -82,7 +82,7 @@
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<v-row v-for="A in Alist" :key="A.id">
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-
<v-card v-for="a in A" :key="
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<v-card v-for="a in A" :key="A.id"
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height="30px" width="30px">{{ a }}</v-card>
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6
key部分の記述を修正しました
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test
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@@ -80,9 +80,9 @@
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<template>
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<v-row v-for="A in Alist" :key="
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<v-row v-for="A in Alist" :key="A.id">
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<v-card v-for="a in A" :key="
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<v-card v-for="a in A" :key="a.id"
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height="30px" width="30px">{{ a }}</v-card>
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5
vuexと画面のコードを修正
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test
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@@ -18,7 +18,7 @@
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state: {
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Alist: [],
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+
Alist: [{ name: ''}],
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A: ''
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@@ -80,7 +80,13 @@
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<template>
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<v-row v-for="A in Alist" :key="key.id">
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<v-card v-for="a in A" :key="key.id"
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-
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height="30px" width="30px">{{ a }}</v-card>
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</v-row>
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</template>
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@@ -90,15 +96,9 @@
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computed: {
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-
A() {
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Alist: function() {
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return store.state.A
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},
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-
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Alist() {
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return store.state.Alist
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+
return this.$store.state.Alist
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}
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4
Bvueを編集しました。
test
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test
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@@ -80,7 +80,7 @@
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80
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<template>
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-
<v-card v-for="
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+
<v-card v-for="A in Alist" :key="A.id" height="30px" width="30px">{{ A }}</v-card>
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</template>
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3
keyを追記しました
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test
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@@ -80,7 +80,7 @@
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<template>
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<v-card v-for="A in Alist" height="30px" width="30px">{{ A }}</v-card>
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+
<v-card v-for="(A, key) in Alist" height="30px" width="30px">{{ A }}</v-card>
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</template>
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@@ -112,6 +112,6 @@
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112
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```ターミナル
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115
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-
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115
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+
//ターミナルのエラーはなくなりました
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```
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2
エラーコード追記
test
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test
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@@ -107,3 +107,11 @@
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</script>
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```
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+
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エラー内容追記します
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113
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+
```ターミナル
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114
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115
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+
(Emitted value instead of an instance of Error) <v-card v-for="A in Alist">: component lists rendered with v-for should have explicit keys. See https://vuejs.org/guide/list.html#key for more info.
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116
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+
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+
```
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1
コードとやりたいことを具体的に記載しました
test
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test
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@@ -4,22 +4,106 @@
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4
4
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5
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単体で取得表示する方法はわかるのですが教えて頂きたいです。
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6
6
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7
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+
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8
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9
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+
やりたいことは以下です。
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10
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+
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11
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+
画面Aで値取得
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12
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+
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13
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+
画面B(別画面)で値表示&追加ボタンでB画面に戻り、繰り返すだけここに値が追加されていく
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14
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+
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15
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+
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16
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+
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7
17
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```vuex
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8
18
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9
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state: {
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10
20
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11
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-
As: [
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21
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+
Alist: [],
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12
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13
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A: ''
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14
24
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15
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}
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16
26
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27
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+
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mutations: {
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30
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31
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updateA(state, payload) {
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state.A = payload
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34
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},
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36
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+
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37
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+
updateAlist(state, payload) {
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38
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+
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39
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+
state.Alist = state.A[payload]
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40
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+
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41
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},
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42
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+
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43
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+
```
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44
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+
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45
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+
```Avue
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46
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+
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47
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+
<template>
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48
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+
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49
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+
<v-btn @click="pushA(A), pushAlist(A)"></v-btn>
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50
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+
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51
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+
//実際にはリンゴやバナナのボタンがありますが省略しています
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52
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+
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53
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+
</template>
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54
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+
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55
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+
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56
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+
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57
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<script>
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58
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methods: {
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60
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+
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61
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+
pushA(A) {
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+
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+
this.$store.commit('updateA', A)
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64
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+
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65
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},
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66
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+
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67
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+
pushAlist(A) {
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68
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+
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69
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this.$store.commit('updateAlist', A)
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70
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+
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71
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},
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72
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+
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},
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+
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17
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```
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18
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-
```
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79
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+
```Bvue
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+
<template>
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82
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+
|
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23
|
-
<v-card v-for="A in As" height="30px" width="30px">{{ A }}</v-card>
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83
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+
<v-card v-for="A in Alist" height="30px" width="30px">{{ A }}</v-card>
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84
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+
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85
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+
</template>
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86
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+
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87
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+
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88
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+
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89
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+
<script>
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90
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+
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91
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+
computed: {
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92
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+
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93
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+
A() {
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94
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+
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95
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+
return store.state.A
|
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96
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+
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+
},
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98
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+
|
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99
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+
Alist() {
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+
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101
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+
return store.state.Alist
|
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102
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+
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103
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+
}
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104
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+
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105
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+
}
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106
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+
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107
|
+
</script>
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24
108
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25
109
|
```
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