1.问题

2.解决方法

2.1label-width

说明：el-form中label-width设置为auto

 

2.2 label-wdith固定值

说明：如果在el-form-item里面设置了label-width="100px"；采用宫格布局。

.demo-one{
  display: grid;
  grid-template-columns: repeat(3,1fr);
}

3源码

<template>
  <div style="width: 900px;margin-left: 200px">
  <el-form
      ref="ruleFormRef"
      :model="ruleForm"
      :rules="rules"
      class="demo-ruleForm"
      :size="formSize"
      status-icon
  >
    <div class="demo-one">
    <el-form-item label="行政区名称" prop="name" label-width="100px">
      <el-input v-model="ruleForm.name" />
    </el-form-item>
    <el-form-item label="类型" prop="region" label-width="100px">
      <el-select v-model="ruleForm.region" placeholder="Activity zone" >
        <el-option label="Zone one" value="shanghai" />
        <el-option label="Zone two" value="beijing" />
      </el-select>
    </el-form-item>
    <el-form-item label="行政区名称" prop="name" label-width="100px">
      <el-input v-model="ruleForm.name" />
    </el-form-item>
    </div>
    <div class="demo-one">
      <el-form-item label="行政区名称" prop="name" label-width="100px">
        <el-input v-model="ruleForm.name" />
      </el-form-item>
      <el-form-item label="行政区名称" prop="name" label-width="100px">
        <el-input v-model="ruleForm.name" />
      </el-form-item>
      <el-form-item label="类型" prop="region" label-width="100px">
        <el-select v-model="ruleForm.region" placeholder="Activity zone" >
          <el-option label="Zone one" value="shanghai" />
          <el-option label="Zone two" value="beijing" />
        </el-select>
      </el-form-item>
    </div>
  </el-form>
  </div>
</template>

<script lang="ts" setup>
import { reactive, ref } from 'vue'
import type { ComponentSize, FormInstance, FormRules } from 'element-plus'

interface RuleForm {
  name: string
  region: string
  count: string
  date1: string
  date2: string
  delivery: boolean
  location: string
  type: string[]
  resource: string
  desc: string
}

const formSize = ref<ComponentSize>('default')
const ruleFormRef = ref<FormInstance>()
const ruleForm = reactive<RuleForm>({
  name: 'Hello',
  region: '',
  count: '',
  date1: '',
  date2: '',
  delivery: false,
  location: '',
  type: [],
  resource: '',
  desc: '',
})

const locationOptions = ['Home', 'Company', 'School']

const rules = reactive<FormRules<RuleForm>>({
  name: [
    { required: true, message: 'Please input Activity name', trigger: 'blur' },
    { min: 3, max: 5, message: 'Length should be 3 to 5', trigger: 'blur' },
  ],
  region: [
    {
      required: true,
      message: 'Please select Activity zone',
      trigger: 'change',
    },
  ],
  count: [
    {
      required: true,
      message: 'Please select Activity count',
      trigger: 'change',
    },
  ],
  date1: [
    {
      type: 'date',
      required: true,
      message: 'Please pick a date',
      trigger: 'change',
    },
  ],
  date2: [
    {
      type: 'date',
      required: true,
      message: 'Please pick a time',
      trigger: 'change',
    },
  ],
  location: [
    {
      required: true,
      message: 'Please select a location',
      trigger: 'change',
    },
  ],
  type: [
    {
      type: 'array',
      required: true,
      message: 'Please select at least one activity type',
      trigger: 'change',
    },
  ],
  resource: [
    {
      required: true,
      message: 'Please select activity resource',
      trigger: 'change',
    },
  ],
  desc: [
    { required: true, message: 'Please input activity form', trigger: 'blur' },
  ],
})

const submitForm = async (formEl: FormInstance | undefined) => {
  if (!formEl) return
  await formEl.validate((valid, fields) => {
    if (valid) {
      console.log('submit!')
    } else {
      console.log('error submit!', fields)
    }
  })
}

const resetForm = (formEl: FormInstance | undefined) => {
  if (!formEl) return
  formEl.resetFields()
}

const options = Array.from({ length: 10000 }).map((_, idx) => ({
  value: `${idx + 1}`,
  label: `${idx + 1}`,
}))
</script>


<style scoped>
.demo-one{
  display: grid;
  grid-template-columns: repeat(3,1fr);
}
</style>

4.击穿样式

说明：下拉框与输入框的样式击穿

.el-select,
 .el-input_inner {
  width: 100%;
}