回答編集履歴
2
追記
test
CHANGED
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@@ -242,11 +242,9 @@
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this.message = "変更できません";
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const vm = this;
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this.$nextTick(function() {
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this.radioValue = "one";
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});
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@@ -281,3 +279,43 @@
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</script>
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```
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**追記 (2020/05/17)**
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上記はasync/awaitで下記のように書き直すことができます。
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```
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methods: {
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updatedRadio: async function(e) {
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this.radioValue = e.target.value;
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// DOM更新の完了を待つ
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await this.$nextTick();
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if (this.checkValue) {
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this.message = "変更できません";
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this.radioValue = "one";
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}
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}
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},
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```
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1
修正
test
CHANGED
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@@ -137,3 +137,147 @@
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</script>
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```
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**修正**
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以下のように修正しました。これでチェックボックスがonのときは1番目のラジオボタンにチェックが強制的に付くようになります。
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```
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<input type="checkbox" v-model="checkValue" />
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<br />
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<input
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type="radio"
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id="one"
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value="one"
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:checked="radioValue === 'one'"
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@change="updatedRadio"
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/>
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<label for="one">One</label>
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<br />
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<input
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type="radio"
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id="two"
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value="two"
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:checked="radioValue === 'two'"
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@change="updatedRadio"
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/>
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<label for="two">Two</label>
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<br />
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<input
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type="radio"
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id="three"
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value="three"
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:checked="radioValue === 'three'"
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@change="updatedRadio"
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/>
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<label for="three">three</label>
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<div>{{ message }}</div>
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```
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```
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<script>
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export default {
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data() {
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return {
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checkValue: false,
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radioValue: null,
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message: null
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};
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},
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methods: {
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updatedRadio(e) {
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this.radioValue = e.target.value;
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240
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241
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if (this.checkValue) {
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242
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243
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this.message = "変更できません";
|
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244
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+
|
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245
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+
const vm = this;
|
|
246
|
+
|
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247
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+
this.$nextTick(function() {
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248
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vm.radioValue = "one";
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250
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});
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252
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}
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}
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},
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watch: {
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checkValue(newVal, val) {
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if (newVal) {
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264
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265
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this.radioValue = "one";
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266
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} else {
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268
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+
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this.radioValue = null;
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270
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this.message = "";
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}
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274
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275
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}
|
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276
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+
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277
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+
}
|
|
278
|
+
|
|
279
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+
};
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280
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+
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281
|
+
</script>
|
|
282
|
+
|
|
283
|
+
```
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