양식 유효성 검사 및 데이터 처리를 위해 vue 및 Element-plus를 사용하는 방법

npm i element-plus -S

yarn add element-plus

import { createApp } from 'vue'
import ElementPlus from 'element-plus'
import 'element-plus/lib/theme-chalk/index.css'

const app = createApp(App)
app.use(ElementPlus)
app.mount('#app')

<el-form :model="form" :rules="rules" ref="form">
  <el-form-item label="用户名" prop="username">
    <el-input v-model="form.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input type="password" v-model="form.password"></el-input>
  </el-form-item>
  <el-form-item>
    <el-button type="primary" @click="submitForm">提交</el-button>
    <el-button @click="resetForm">重置</el-button>
  </el-form-item>
</el-form>

import { ref } from 'vue'
import { ElMessage } from 'element-plus'

export default {
  setup() {
    const form = ref({
      username: '',
      password: ''
    })

    const rules = ref({
      username: [
        { required: true, message: '请输入用户名', trigger: 'blur' },
        { min: 3, max: 6, message: '用户名长度在3到6个字符之间', trigger: 'blur' }
      ],
      password: [
        { required: true, message: '请输入密码', trigger: 'blur' }
      ]
    })

    const submitForm = () => {
      ref.value.validate(valid => {
        if (valid) {
          // 表单验证通过，可以进行数据处理
          // 在这里可以发送网络请求，或者进行其他操作

          ElMessage.success('提交成功')
        } else {
          ElMessage.error('表单验证失败')
          return false
        }
      })
    }

    const resetForm = () => {
      ref.value.resetFields()
    }

    return {
      form,
      rules,
      submitForm,
      resetForm
    }
  }
}

import { ref } from 'vue'
import { ElMessage } from 'element-plus'

export default {
  setup() {
    const form = ref({
      username: '',
      password: ''
    })

    const submitForm = () => {
      // 省略了表单验证的代码...

      // 处理表单数据
      const { username, password } = form.value
      // 在这里可以对表单数据进行格式化或者其他操作
      // ...

      // 发送数据给服务器
      // ...

      ElMessage.success('提交成功')
    }

    return {
      form,
      submitForm
    }
  }
}