element-plus/docs/examples/form/form-items.vue

105 lines
2.3 KiB
Vue

<template>
<el-form
ref="formRef"
:model="dynamicValidateForm"
label-width="120px"
class="demo-dynamic"
>
<el-form-item
prop="email"
label="Email"
:rules="[
{
required: true,
message: 'Please input email address',
trigger: 'blur',
},
{
type: 'email',
message: 'Please input correct email address',
trigger: ['blur', 'change'],
},
]"
>
<el-input v-model="dynamicValidateForm.email"></el-input>
</el-form-item>
<el-form-item
v-for="(domain, index) in dynamicValidateForm.domains"
:key="domain.key"
:label="'Domain' + index"
:prop="'domains.' + index + '.value'"
:rules="{
required: true,
message: 'domain can not be null',
trigger: 'blur',
}"
>
<el-input v-model="domain.value"></el-input>
<el-button class="mt-2" @click.prevent="removeDomain(domain)"
>Delete</el-button
>
</el-form-item>
<el-form-item>
<el-button type="primary" @click="submitForm(formRef)">Submit</el-button>
<el-button @click="addDomain">New domain</el-button>
<el-button @click="resetForm(formRef)">Reset</el-button>
</el-form-item>
</el-form>
</template>
<script lang="ts" setup>
import { reactive, ref } from 'vue'
import type { ElForm } from 'element-plus'
type FormInstance = InstanceType<typeof ElForm>
const formRef = ref<FormInstance>()
const dynamicValidateForm = reactive<{
domains: DomainItem[]
email: string
}>({
domains: [
{
key: 1,
value: '',
},
],
email: '',
})
interface DomainItem {
key: number
value: string
}
const removeDomain = (item: DomainItem) => {
const index = dynamicValidateForm.domains.indexOf(item)
if (index !== -1) {
dynamicValidateForm.domains.splice(index, 1)
}
}
const addDomain = () => {
dynamicValidateForm.domains.push({
key: Date.now(),
value: '',
})
}
const submitForm = (formEl: FormInstance | undefined) => {
if (!formEl) return
formEl.validate((valid) => {
if (valid) {
console.log('submit!')
} else {
console.log('error submit!')
return false
}
})
}
const resetForm = (formEl: FormInstance | undefined) => {
if (!formEl) return
formEl.resetFields()
}
</script>