ant design vue的form表单取值方法

ant design vue的form表单取值

官方中有以下两种取值方式

 因为不是很熟悉,所以还是查了文档找了一下使用方式,刚开始查到的文档是这样写的

 然后返回了undefined,后来又查询了一些文档,发现我多加了一个props属性,然后使用第二个方法成功了,代码如下:

ant design of vue 学习之表单form

v-decorator(表单验证,内置绑定,初始值)

1、可通过 v-decorator 进行表单验证

//内置验证规则

   

//自定义验证规则01

  
    
  

//自定义验证规则02

     
//在methods中设定方法
// 手机号验证
MobileNumberValidator (rule, value, callback) {
  const idcardReg = /^1(3|4|5|6|7|8|9)\d{9}$/
  if (!idcardReg.test(value)) {
    // eslint-disable-next-line standard/no-callback-literal
    callback('非法格式')
  }
  // Note: 必须总是返回一个 callback,否则 validateFieldsAndScroll 无法响应
  callback()
}

2、可通过 v-decorator 进行内置的双向绑定(详情可看下文的数据获取与填充)

数据填充(所有项)   this.form.setFieldsValue(data)
数据获取(所有项)   this.form.validateFields(async (errors, values) => {
                          console.log(values)
                    });

3、可通过 v-decorator 的initialValue设置初始值


   

4、下拉选择框的 labelInValue 属性

通常情况下,通过this.form.getFieldValue(“courseTeacherList”),你只能获取一个数组包含value值,形如[‘7’,‘10’],而通过labelInValue属性可以得到[{key: “7”,label: “王凤”},{{key: “10”,label: “姚峰”}}]

  • key表示value
  • label表示显示值

  
	{{ item.name }}
  
              

5、type类型检验

Type
    string: Must be of type string. This is the default type.
    number: Must be of type number.
    boolean: Must be of type boolean.
    method: Must be of type function.
    regexp: Must be an instance of RegExp or a string that does not generate an exception when creating a new RegExp.
    integer: Must be of type number and an integer.
    float: Must be of type number and a floating point number.
    array: Must be an array as determined by Array.isArray.
    object: Must be of type object and not Array.isArray.
    enum: Value must exist in the enum.
    date: Value must be valid as determined by Date
    url: Must be of type url.
    hex: Must be of type hex.
    email: Must be of type email.
    any: Can be any type.

数据获取与填充

//获取一个输入控件的值  Function(fieldName: string)
let myDate = this.form.getFieldValue("startDate");
//获取一组输入控件的值,如不传入参数,则获取全部组件的值   Function([fieldNames: string[]])
let value = this.form.getFieldsValue(["startDate","endDate"]);
let value = this.form.getFieldsValue();
//设置一组输入控件的值
this.form.setFieldsValue({
	startDate:res.result["startDate"],
	endDate:res.result["endDate"],
})
//设置一组输入控件的值  加了labelInValue属性
this.form.setFieldsValue({
	userName:{
		label:res.result["userName"],
		key:res.result["userNameId"]
	}
})
//设置表单数据  对日期、下拉框含labelInValue属性的form控件的数据设置要特殊处理才能绑定
//对于日期控件需要将string类型的数据转换moment类型
//对于下拉框含labelInValue属性控件,数据需要转换成key、label的对象格式
import moment from 'moment'
setFormValues (record) {
  // 控制教师
   if (courseTeacherList && courseTeacherList.length > 0) {
     record['courseTeacherList'] = courseTeacherList.map(item => ({
       key: item.teacherId + '',
       label: item.teacherName
     }))
   }
  const fields = ['courseTeacherList', 'certificateNo', 'cardTime', 'termValidity', 'documentStatus', 'remark']
  Object.keys(record).forEach((key) => {
    if (fields.indexOf(key) !== -1) {
      this.form.getFieldDecorator(key)
      const obj = {}
      if (key === 'cardTime' && record['cardTime'] != undefined) {
        obj[key] = moment(data[key], 'YYYY-MM-DD')
      } else {
        obj[key] = record[key]
      }
      this.form.setFieldsValue(obj)
    }
  })
},
//关闭表单清空表单数据
this.form.resetFields();
//提交表单获取数据
//通过this.form.validateFields函数进行表单验证以及数据获取
//对于日期控件,获取的是moment类型数据,需要转换成字符串储存,
//形如values.birthday = values.birthday ? values.birthday.format('YYYY-MM-DD') : ''
handleSubmit () {
  const { id } = this
  this.form.validateFields((err, values) => {
    if (!err) {
      this.submitLoading = true
      values.birthday = values.birthday ? values.birthday.format('YYYY-MM-DD') : ''
      // 处理教师
      values.courseTeacherList = values.courseTeacherList.map(item => {
        const obj = {}
        obj.teacherId = Number(item.key)
        return obj
      })
      if (id) {
        // 修改
        updateCourse({ id, ...values }).then(res => {
          if (res.code == 0) {
            this.$message.success('保存成功')
            this.form.resetFields()
            this.$router.back()
          } else {
            this.$message.error('保存失败,请稍后再试')
          }
        }).finally(() => {
          this.submitLoading = false
        })  
    } else {
        // 添加
        addCourse(values).then(res => {
          if (res.code == 0) {
            this.$message.success('保存成功')
            this.form.resetFields()
            this.$router.back()  
          } else {
            this.$message.error('保存失败,请稍后再试')
          }
        }).finally(() => {
          this.submitLoading = false
        })
      }
    }
  })
},    

表单实例


import moment from 'moment'
import { addCourse, getTeacherList, getCourseById, updateCourse } from '@/api/learning/course'
export default {
  data () {
    return {
      submitLoading: false,
      form: this.$form.createForm(this),
      formItemLayout: {
        labelCol: {
          lg: { span: 7 },
          sm: { span: 7 }
        },
        wrapperCol: {
          lg: { span: 10 },
          sm: { span: 17 }
        }
      },
      teacherList: [],
      unitSn: ''
    }
  },
  created () {
    // 获取教师列表
    this.getTeacherList()
    // 获取详情
    if (this.id) {
      this.getInfo()
    }
  },
  computed: {
    id () {
      return this.$route.query.id
    }
  },
  methods: {
    // 获取教师列表
    getTeacherList () {
      const unitSn = this.unitSn || this.$store.getters.userInfo.unitSn
      const params = {
        current: 1,
        size: -1,
        unitSn
      }
      getTeacherList(params).then(res => {
        if (res.code == 0) {
          if (res.data.records.length > 0) {
            this.teacherList = res.data.records.map(item => {
              const obj = {}
              obj.id = item.id + ''
              obj.name = item.name
              return obj
            })
          }
        } else {
          this.$message.error(res.message)
        }
      })
    },
    // 获取详情 设置表单数据
    getInfo () {
      let { id } = this
      id = Number(id)
      getCourseById(id).then(res => {
        if (res.code == 0) {
          this.setFormValues({ ...res.data })
        } else {
          this.$message.error(res.message)
        }
      })
    },
    // 设置表单数据
    setFormValues (record) {
      const { courseTeacherList, unitSn } = record
      this.unitSn = unitSn
      // 控制教师
      if (courseTeacherList && courseTeacherList.length > 0) {
        record['courseTeacherList'] = courseTeacherList.map(item => ({
          key: item.teacherId + '',
          label: item.teacherName
        }))
      }
      const fields = ['name', 'courseTeacherList', 'introduction', 'timeLength', 'startDate', 'online', 'publish']
      Object.keys(record).forEach(key => {
        if (fields.indexOf(key) !== -1) {
          this.form.getFieldDecorator(key)
          const obj = {}
          if (key === 'startDate' && record['startDate'] != undefined) {
            obj[key] = moment(record[key], 'YYYY-MM-DD')
          } else {
            obj[key] = record[key]
          }
          this.form.setFieldsValue(obj)
        }
      })
    },
    // 保存
    handleSubmit () {
      this.form.validateFields((err, values) => {
        if (!err) {
          const { id } = this
          this.submitLoading = true
          // 处理教师
          values.courseTeacherList = values.courseTeacherList.map(item => {
            const obj = {}
            obj.teacherId = Number(item.key)
            return obj
          })
          // 处理日期
          values.startDate = values.startDate ? values.startDate.format('YYYY-MM-DD') : ''
          if (id) {
            // 修改
            updateCourse({ id, ...values }).then(res => {
              if (res.code == 0) {
                this.$message.success('保存成功')
                this.form.resetFields()
                this.$router.back()
              } else {
                this.$message.error('保存失败,请稍后再试')
              }
            }).finally(() => {
              this.submitLoading = false
            })
          } else {
            // 添加
            addCourse(values).then(res => {
              if (res.code == 0) {
                this.$message.success('保存成功')
                this.form.resetFields()
                this.$router.back()
              } else {
                this.$message.error('保存失败,请稍后再试')
              }
            }).finally(() => {
              this.submitLoading = false
            })
          }
        }
      })
    },
    // 返回
    back () {
      this.$confirm({
        title: '还未保存,是否返回上一级?',
        okText: '确认返回',
        cancelText: '取消',
        onOk: () => {
          this.$router.back()
        }
      })
    }
  }
}


以上为个人经验,希望能给大家一个参考,也希望大家多多支持脚本之家。 

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