1、伪元素添加
el-form label后加星号
.device-form .el-form-item__label::after{
content: "*";
color: #1A1A1A;
margin-left: 5px;
font-size: 16px;//改变星号的大小
}
效果
el-form label前加星号
.device-form .el-form-item__label::before{
content: "*";
color: #1A1A1A;
margin-left: 5px;
font-size: 16px;//改变星号的大小
}
2、elementui Form 组件自带的表单验证功能
这是有验证输入框的,必须填,否则表单验证不通过,没法下一步操作
<el-form :model="ruleForm" :rules="rules" ref="ruleForm" label-width="100px" class="demo-ruleForm">
<el-form-item label="活动名称" prop="name">
<el-input v-model="ruleForm.name"></el-input>
</el-form-item>
</el-form>
<script>
export default {
data() {
return {
ruleForm: {
name: '',
},
rules: {
name: [
{
required: true, message: '请输入活动名称', trigger: 'blur' },//必填
]
}
};
},
methods: {
}
}
</script>
3、只是加星号 不验证
<el-form-item label="活动名称" :required="true" >
<el-input v-model="ruleForm.name"></el-input>
</el-form-item>