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<>祝各位新年快乐,开开心心每一天
<>表单操作
<>作用: 用户交互
<>应用场景:邮件传输
<>常用表单的数据类型
* Input 单行文本
使用 v-model 进行双向数据绑定
* textarea 多行文本
使用 v-model 尽享双向数据绑定
* select 下拉多选
为每个选项设置一个 value 并给 select 设置 v-model 的值 (可以单选也可以多选)
如果想要多选 需要为 select 设置 multiple=“true” 或者 直接写 multiple
* radio 单选框
分别给每个选项设置一个value 并设置一样的 v-model
v-model的值就是默认单选框选中的选项的value值
* check 多选框
分别给其设置不同的value值 和相同的 v-model值
v-model的值就是默认多选框选中的选项的value值(数组)
<>表单域修饰符
* number: 转换为数值
* trim 去掉开始和结尾的空格
* lazy:将input事件切换为change事件 <input v-model.number="age" type="number">
<>课余知识
input 按钮 可以通过 @click.prevent 来阻止默认行为并实现想要的功能
<>最近心情
你常常不自信,怕比不上很多人,但我就觉得你是最好的,怎么都好。我想告诉你:我给你的爱是兜底,是连你自己都不喜欢你的时候,还有我来爱你。