回答編集履歴
2
追記
answer
CHANGED
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@@ -120,9 +120,8 @@
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120
120
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this.radioValue = e.target.value;
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121
121
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if (this.checkValue) {
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122
122
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this.message = "変更できません";
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123
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-
const vm = this;
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124
123
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this.$nextTick(function() {
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125
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-
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124
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+
this.radioValue = "one";
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126
125
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});
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127
126
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}
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128
127
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}
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@@ -139,4 +138,24 @@
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139
138
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}
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140
139
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};
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141
140
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</script>
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141
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+
```
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142
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+
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143
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+
**追記 (2020/05/17)**
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144
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+
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145
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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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146
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+
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147
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```
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148
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+
methods: {
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149
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updatedRadio: async function(e) {
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150
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this.radioValue = e.target.value;
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151
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+
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152
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// DOM更新の完了を待つ
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153
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await this.$nextTick();
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154
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+
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155
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if (this.checkValue) {
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156
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this.message = "変更できません";
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157
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this.radioValue = "one";
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158
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}
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159
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}
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160
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},
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142
161
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```
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1
修正
answer
CHANGED
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@@ -67,4 +67,76 @@
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67
67
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}
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68
68
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};
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69
69
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</script>
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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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+
**修正**
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73
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+
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74
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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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75
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+
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76
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+
```
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77
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+
<input type="checkbox" v-model="checkValue" />
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78
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+
<br />
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79
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<input
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80
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type="radio"
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81
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id="one"
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82
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value="one"
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83
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+
:checked="radioValue === 'one'"
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84
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+
@change="updatedRadio"
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85
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/>
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86
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+
<label for="one">One</label>
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87
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+
<br />
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88
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+
<input
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89
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type="radio"
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90
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id="two"
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91
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value="two"
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92
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:checked="radioValue === 'two'"
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93
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+
@change="updatedRadio"
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94
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/>
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95
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+
<label for="two">Two</label>
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96
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+
<br />
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97
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+
<input
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98
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type="radio"
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99
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id="three"
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100
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value="three"
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101
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+
:checked="radioValue === 'three'"
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102
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@change="updatedRadio"
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103
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/>
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104
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+
<label for="three">three</label>
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105
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+
<div>{{ message }}</div>
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106
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```
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107
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+
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108
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+
```
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109
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+
<script>
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110
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export default {
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111
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data() {
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112
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return {
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113
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checkValue: false,
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114
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radioValue: null,
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115
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message: null
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116
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};
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117
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},
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118
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methods: {
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119
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updatedRadio(e) {
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120
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this.radioValue = e.target.value;
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121
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if (this.checkValue) {
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122
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this.message = "変更できません";
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123
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const vm = this;
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124
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this.$nextTick(function() {
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125
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vm.radioValue = "one";
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126
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});
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127
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}
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128
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}
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129
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},
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130
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watch: {
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131
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checkValue(newVal, val) {
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132
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if (newVal) {
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133
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this.radioValue = "one";
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134
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} else {
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135
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this.radioValue = null;
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136
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this.message = "";
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137
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}
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138
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}
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139
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}
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140
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+
};
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141
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+
</script>
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70
142
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```
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