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Detailed explanation of Vue dynamically generated form case

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Release: 2018-05-15 11:06:33
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This time I will bring you a detailed explanation of the Vue dynamically generated form form case. What are the precautions for Vue dynamically generated form form? The following is a practical case, let's take a look.

A form generator with data collection, verification and submission functions, including check boxes, radio boxes, input boxes, drop-down selection boxes and other elements, as well as three-level linkage of provinces and municipalities, time selection, date Selection, color selection, file/picture upload function, support event expansion.

Sample

https://raw.githubusercontent.com/xaboy/form-create/dev/images/sample110.jpg

Installation

npm install form-create
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OR

git clone https://github.com/xaboy/form-create.git
cd form-create
npm install
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Introduction

<!-- import Vue -->
<script src="node_modules/vue/dist/vue.min.js"></script>
<!-- import iview -->
<link rel="stylesheet" href="node_modules/iview/dist/styles/iview.css" rel="external nofollow" >
<script src="node_modules/iview/dist/iview.min.js"></script>
<!-- 省市区三级联动json数据 -->
<script src="/district/province_city_area.js"></script>
<!-- 模拟数据 -->
<script src="mock.js"></script>
<!-- import formCreate -->
<script src="dist/form-create.min.js"></script>
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Attention! iview version please> =2.9.2, otherwise there may be problems

Use

let rules = window.mock;
new Vue({
 mounted:function(){
 let $f = this.$formCreate(mock,
   {
    onSubmit:function (formData) {
     console.log(formData);
     $f.submitStatus({loading:true});
   }
  });
  //动态添加表单元素
  $f.append($r,&#39;goods_name&#39;);
 }
})
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$formCreate parameters

  • ##rules form generation rules [inputRule ,selectRule,...]

  • options Initialization configuration parameters (see createOptions at the bottom for details)

  • $f Instance method

  • formData() Get the value of the form

  • getValue(field) Get the value of the specified field

  • changeField( field, value) Modify the value of the specified field

  • resetFields() Reset the form

  • destroy() Destroy the form

  • removeField(field) Delete the specified field

  • fields() Get the names of all fields in the form

  • submit()

    Form verificationSubmit the form after passing and trigger the onSubmit event

  • ##validate(successFn,errorFn) form verification, if the verification passes, execute successFn, ​​if it fails, execute errorFn
  • validateField(field,callback) Form validation specifies the field
  •  $f.validateField(field,(errMsg)=>{
      if(errMsg){
       //TODO 验证未通过
      }else{
       //TODO 验证通过
      }
     });
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    prepend(rule,field = undefined) before the field of field Enter the specified form element. If you do not pass in the field, the default is the first
  • $f.prepend({
      type:"input",
      title:"商品简介",
      field:"goods_info",
      value:"",
      props: {
       "type": "text",
       "placeholder": "请输入商品简介",
      },
      validate:[
       { required: true, message: &#39;请输入商品简介&#39;, trigger: &#39;blur&#39; },
      ],
     });
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append(rule, field = undefined). Enter the specified form element before the field of the field. If you do not pass in the Enter the field by default at the last one

<div class="code" style="position:relative; padding:0px; margin:0px;"><pre class="brush:js;toolbar:false;">$f.append({ type:&quot;input&quot;, title:&quot;商品简介&quot;, field:&quot;goods_info&quot;, value:&quot;&quot;, props: { &quot;type&quot;: &quot;text&quot;, &quot;placeholder&quot;: &quot;请输入商品简介&quot;, }, validate:[ { required: true, message: &amp;#39;请输入商品简介&amp;#39;, trigger: &amp;#39;blur&amp;#39; }, ], });</pre><div class="contentsignin">Copy after login</div></div>

    submitStatus(props) Modify the form submit button status
  • $f.submitStatus({
      //按钮类型,可选值为primary、ghost、dashed、text、info、success、warning、error或者不设置
      type:"primary",
      //按钮大小,可选值为large、small、default或者不设置
      size:"large",
      //按钮形状,可选值为circle或者不设置
      shape:undefined,
      //开启后,按钮的长度为 100%
      long:true,
      //设置button原生的type,可选值为button、submit、reset
      htmlType:"button",
      //设置按钮为禁用状态
      disabled:false,
      //设置按钮的图标类型
      icon:"ios-upload",
      //按钮文字提示
      innerText:"提交",
      //设置按钮为加载中状态
      loading:false
     })
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    btn.loading() Let the form submit button enter the loading state
  • btn.finish() Let the form submit button return to the normal state
rules form element rules

hidden hidden field

hiddenRule:
{
 type:"hidden",//必填!
 //字段名称
 field:"id", //必填!
 //input值
 value:"14" //必填!
}
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input input box

inputRule :
{
  type:"input",//必填! 
  //label名称
  title:"商品名称",//必填!
  //字段名称
  field:"goods_name",//必填!
  //input值
  value:"iphone 7",
  props: {
   //输入框类型,可选值为 text、password、textarea、url、email、date
   "type": "text", //必填!
   //是否显示清空按钮
   "clearable":false, 
   //设置输入框为禁用状态
   "disabled": false, 
   //设置输入框为只读
   "readonly": false,
   //文本域默认行数,仅在 textarea 类型下有效
   "rows": 4, 
   //自适应内容高度,仅在 textarea 类型下有效,可传入对象,如 { minRows: 2, maxRows: 6 }
   "autosize": false, 
   //将用户的输入转换为 Number 类型
   "number": false, 
   //自动获取焦点
   "autofocus": false, 
   //原生的自动完成功能,可选值为 off 和 on
   "autocomplete": "off", 
   //占位文本
   "placeholder": "请输入商品名称", 
   //输入框尺寸,可选值为large、small、default或者不设置
   "size": "default",
   //原生的 spellcheck 属性
   "spellcheck": false,
  },
  event:{
   //按下回车键时触发
   enter:(event)=>{},
   //设置 icon 属性后,点击图标时触发
   click:(event)=>{},
   //数据改变时触发
   change:(event)=>{},
   //输入框聚焦时触发
   focus:(event)=>{},
   //输入框失去焦点时触发
   blur:(event)=>{},
   //原生的 keyup 事件
   keyup:(event)=>{},
   //原生的 keydown 事件
   keydown:(event)=>{},
   //原生的 keypress 事件
   keypress:(event)=>{},
  },
  validate:[
   { required: true, message: &#39;请输入goods_name&#39;, trigger: &#39;blur&#39; },
  ],
 }
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validate form validation rules, please view the specific configuration: https://github.com /yiminghe/async-validator

radio radio button

radioRule :
{
  type:"radio",//必填!
  //label名称
  title:"是否包邮",//必填!
  //字段名称
  field:"is_postage",//必填!
  //input值
  value:"0",
  //可选参数
  options:[
   {value:"0",label:"不包邮",disabled:false},
   {value:"1",label:"包邮",disabled:true},
  ],//必填!
  props: {
   //可选值为 button 或不填,为 button 时使用按钮样式
   "type":undefined, 
   //单选框的尺寸,可选值为 large、small、default 或者不设置
   "size":"default", 
   //是否垂直排列,按钮样式下无效
   "vertical":false, 
  },
  event:{
   //在选项状态发生改变时触发,返回当前状态。通过修改外部的数据改变时不会触发
   change:(...arg)=>{},
  },
  validate:[],
 }
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checkbox checkbox

checkboxRule :
{
  type:"checkbox",//必填!
  //label名称
  title:"标签",//必填!
  //字段名称
  field:"label",//必填!
  //input值
  value:[
   "1","2","3"
  ],
  //可选参数
  options:[
   {value:"1",label:"好用",disabled:true},
   {value:"2",label:"方便",disabled:false},
   {value:"3",label:"实用",disabled:false},
   {value:"4",label:"有效",disabled:false},
  ],//必填!
  props: {
   //多选框组的尺寸,可选值为 large、small、default 或者不设置
   "size":"default", 
  },
  event:{
   //只在单独使用时有效。在选项状态发生改变时触发,通过修改外部的数据改变时不会触发
   change:(...arg)=>{},
  },
  validate:[],
 }
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select Selector

selectRule :
{
  type: "select",//必填!
  field: "cate_id",//必填!
  title: "产品分类",//必填!
  //input值
  value: ["104","105"],
  //可选参数
  options: [
   {"value": "104", "label": "生态蔬菜", "disabled": false},
   {"value": "105", "label": "新鲜水果", "disabled": false},
  ],//必填!
  props: {
    //是否支持多选
   "multiple": true, 
   //是否可以清空选项,只在单选时有效
   "clearable": false,
   //是否支持搜索
   "filterable": true, 
   // 暂不支持远程搜索
   // "remote": false, //是否使用远程搜索
   // "remote-method":Function, //远程搜索的方法
   // "loading": false, //当前是否正在远程搜索
   // "loading-text": "加载中", //远程搜索中的文字提示
   //选择框大小,可选值为large、small、default或者不填
   "size":"default", 
   //选择框默认文字
   "placeholder": "请选择", 
    //当下拉列表为空时显示的内容
   "not-found-text": "无匹配数据",
   //弹窗的展开方向,可选值为 bottom 和 top
   "placement": "bottom", 
   //是否禁用
   "disabled": false, 
  },
  event:{
   //选中的Option变化时触发,返回 value
   change:(checked)=>{},
   //搜索词改变时触发
   &#39;query-change&#39;:(keyword)=>{},
  },
  validate:[],
 }
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switch switch

switchRule :
{
  type:"switch",//必填!
  //label名称
  title:"是否上架",//必填!
  //字段名称
  field:"is_show",//必填!
  //input值
  value:"1",
  props: {
   //开关的尺寸,可选值为large、small、default或者不写。建议开关如果使用了2个汉字的文字,使用 large。
   "size":"default", 
   //禁用开关
   "disabled":false,
   //选中时的值,当使用类似 1 和 0 来判断是否选中时会很有用
   "trueValue":"1", 
   //没有选中时的值,当使用类似 1 和 0 来判断是否选中时会很有用
   "falseValue":"0", 
  },
  slot: {
   //自定义显示打开时的内容
   open:"上架", 
   //自定义显示关闭时的内容
   close:"下架", 
  },
  event:{
   //开关变化时触发,返回当前的状态 0 | 1
   change:(bool)=>{},
  },
  validate:[],
 }
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DatePicker

Date Picker

DatePickerRule :
{
  type: "DatePicker",//必填!
  field: "section_day",//必填!
  title: "活动日期",//必填!
  //input值, type为daterange,datetimerange value为数组 [start_value,end_value]
  value: [&#39;2018-02-20&#39;, new Date()], 
  props: {
   //显示类型,可选值为 date、daterange、datetime、datetimerange、year、month
   "type": "datetimerange",//必填!
   //展示的日期格式
   "format": "yyyy-MM-dd HH:mm:ss", 
   //日期选择器出现的位置,可选值为toptop-starttop-endbottombottom-startbottom-endleftleft-startleft-endrightright-startright-end
   "placement": "bottom-start", 
   //占位文本
   "placeholder":"请选择获得时间", 
   //是否显示底部控制栏,开启后,选择完日期,选择器不会主动关闭,需用户确认后才可关闭
   "confirm":false, 
   //尺寸,可选值为large、small、default或者不设置
   "size":"default", 
   //是否禁用选择器
   "disabled":false, 
   //是否显示清除按钮
   "clearable":true, 
   //完全只读,开启后不会弹出选择器
   "readonly":false, 
   //文本框是否可以输入
   "editable":false, 
  },
  event:{
   //日期发生变化时触发,已经格式化后的日期,比如 2016-01-01
   change:(value)=>{},
   //弹出日历和关闭日历时触发 true | false
   &#39;open-change&#39;:(bool)=>{},
   //在 confirm 模式或 clearable = true 时有效,在清空日期时触发
   clear:(...arg)=>{},
  },
  validate:[],
 }
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TimePicker

Time Picker

TimePickerRule :
{
  type: "TimePicker",//必填!
  field: "section_time",//必填!
  title: "活动时间",//必填!
  //input值, type为timerange value为数组 [start_value,end_value]
  value: [], 
  props: {
   //显示类型,可选值为 time、timerange
   "type": "timerange", //必填!
   //展示的时间格式
   "format": "HH:mm:ss", 
   //下拉列表的时间间隔,数组的三项分别对应小时、分钟、秒。例如设置为 [1, 15] 时,分钟会显示:00、15、30、45。
   "steps": [], 
   //时间选择器出现的位置,可选值为toptop-starttop-endbottombottom-startbottom-endleftleft-startleft-endrightright-startright-end
   "placement": "bottom-start", 
   //占位文本
   "placeholder":"请选择获得时间", 
   //是否显示底部控制栏,开启后,选择完日期,选择器不会主动关闭,需用户确认后才可关闭
   "confirm":false, 
   //尺寸,可选值为large、small、default或者不设置
   "size":"default",
   //是否禁用选择器
   "disabled":false, 
   //是否显示清除按钮
   "clearable":true, 
   //完全只读,开启后不会弹出选择器
   "readonly":false, 
   //文本框是否可以输入
   "editable":false, 
  },
  event:{
   //时间发生变化时触发 已经格式化后的时间,比如 09:41:00
   change:(checked)=>{},
   //弹出浮层和关闭浮层时触发 true | false
   &#39;open-change&#39;:(bool)=>{},
   //在清空日期时触发
   clear:(...arg)=>{},
  },
  validate:[],
 }
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InputNumber Number input box

InputNumberRule :
{
  type: "InputNumber",//必填!
  field: "sort",//必填!
  title: "排序",//必填!
  //input值
  value: 1,
  props: {
   //最大值
   "max": undefined, 
   //最小值
   "min": undefined, 
   //每次改变的步伐,可以是小数
   "step": 1, 
   //输入框尺寸,可选值为large、small、default或者不填
   "size":"default", 
   //设置禁用状态
   "disabled":false, 
   //是否设置为只读
   "readonly":false, 
   //是否可编辑
   "editable":true, 
   //数值精度
   "precision":0, 
  },
  event:{
   //数值改变时的回调,返回当前值
   change:(value)=>{},
   //聚焦时触发
   focus:(event)=>{},
   //失焦时触发
   blur:(event)=>{},
  },
  validate:[],
 }
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ColorPicker Color Picker

ColorPickerRule :
{
  type: "ColorPicker",//必填!
  field: "color",//必填!
  title: "颜色",//必填!
  //input值
  value: &#39;#ff7271&#39;, 
  props: {
   //是否支持透明度选择
   "alpha": false, 
   //是否支持色彩选择
   "hue": true, 
   //是否显示推荐的颜色预设
   "recommend": false, 
   //尺寸,可选值为large、small、default或者不设置
   "size":"default", 
   //自定义颜色预设
   "colors":[], 
   //颜色的格式,可选值为 hsl、hsv、hex、rgb,开启 alpha 时为 rgb,其它为 hex
   "format":"hex", 
  },
  event:{
   //当绑定值变化时触发,返回当前值
   change:(color)=>{},
   //聚焦时触发 面板中当前显示的颜色发生改变时触发
   &#39;active-change&#39;:(color)=>{},
  },
  validate:[],
 }
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Cascader Multi-level linkage

CascaderRule:
{
  type:"cascader",//必填!
  title:"所在区域",//必填!
  field:"address",//必填!
  //input值
  value:[&#39;陕西省&#39;,&#39;西安市&#39;,&#39;新城区&#39;],
  props:{
   //可选项的数据源,格式参照示例说明
   data:window.province || [],//必填!
   //选择后展示的函数,用于自定义显示格式
   renderFormat:label => label.join(&#39; / &#39;),
   //是否禁用选择器
   disabled:false,
   //是否支持清除
   clearable:true,
   //输入框占位符
   placeholder:&#39;请选择&#39;,
   //次级菜单展开方式,可选值为 click 或 hover
   trigger:&#39;click&#39;,
   //当此项为 true 时,点选每级菜单选项值都会发生变化,具体见上面的示例
   changeOnSelect:false,
   //输入框大小,可选值为large和small或者不填
   size:undefined,
   //动态获取数据,数据源需标识 loading
   loadData:()=>{},
   //是否支持搜索
   filterable:false,
   //当搜索列表为空时显示的内容
   notFoundText:&#39;无匹配数据&#39;,
   //是否将弹层放置于 body 内,在 Tabs、带有 fixed 的 Table 列内使用时,建议添加此属性,它将不受父级样式影响,从而达到更好的效果
   transfer:false,
  },
  event:{
   //选择完成后的回调,返回值 value 即已选值 value,selectedData 为已选项的具体数据
   change:(value, selectedData)=>{},
   //展开和关闭弹窗时触发
   &#39;visible-change&#39;:bool=>{}
  },
  validate:[],
 }
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Upload Upload

UploadRule :
{
  type: "Upload",//必填!
  field: "pic",//必填!
  title: "轮播图",//必填!
  //input值,当maxLength等与1时值为字符串,大于1时值为数组
  value: [&#39;http://img1.touxiang.cn/uploads/20131030/30-075657_191.jpg&#39;,&#39;http://img1.touxiang.cn/uploads/20131030/30-075657_191.jpg&#39;], //input值
  props: {
   //上传控件的类型,可选值为 select(点击选择),drag(支持拖拽)
   "type":"select", //必填!
   //上传文件类型,可选值为 image(图片上传),file(文件上传)
   "uploadType":"image", //必填!
   //上传的地址
   "action": "", //必填! 
   //上传的文件字段名
   "name":"", 
   //上传时附带的额外参数
   "data":{}, 
   //设置上传的请求头部
   "headers": {}, 
   //是否支持多选文件
   "multiple": true,
   //支持发送 cookie 凭证信息
   "withCredentials":false, 
   //不支持
   // "showUploadList":false, //是否显示已上传文件列表
   // "defaultFileList":[], // 默认已上传的文件列表
   //接受上传的文件类型
   "accept":"",
   //支持的文件类型,与 accept 不同的是,format 是识别文件的后缀名,accept 为 input 标签原生的 accept 属性,会在选择文件时过滤,可以两者结合使用
   "format":[], 
   //文件大小限制,单位 kb
   "maxSize":undefined, 
   //可上传文件数量
   "maxLength":1,
   //上传文件之前的钩子,参数为上传的文件,若返回 false 或者 Promise 则停止上传
   "beforeUpload":()=>{}, 
   //文件上传时的钩子,返回字段为 event, file, fileList
   "onProgress":()=>{}, 
   //文件上传成功时的钩子,返回字段为 response, file, fileList,若需有把文件添加到文件列表中,在函数值返回即可
   "onSuccess":function () {
    return &#39;http://img1.touxiang.cn/uploads/20131030/30-075657_191.jpg&#39;;
   }, //必填!
   //文件上传失败时的钩子,返回字段为 error, file, fileList
   "onError":(error, file, fileList)=>{}, 
   //点击已上传的文件链接时的钩子,返回字段为 file, 可以通过 file.response 拿到服务端返回数据
   "onPreview":()=>{}, 
   //文件列表移除文件时的钩子,返回字段为 file, fileList
   "onRemove":()=>{}, 
   //文件格式验证失败时的钩子,返回字段为 file, fileList
   "onFormatError":()=>{}, 
   //文件超出指定大小限制时的钩子,返回字段为 file, fileList
   "onExceededSize":()=>{}, 
   //辅助操作按钮的图标 ,设置为false将不显示
   handleIcon:&#39;ionic&#39;,
   //点击辅助操作按钮事件
   onHandle:(src)=>{},
   //是否可删除,设置为false是不显示删除按钮
   allowRemove:true,
  },
 }
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accept File type: https://developer.mozilla .org/en-US/docs/Web/HTML/Element/input#attr-accept

Global configuration createOptions

{
 //插入节点,默认document.body
 el:null,
 //form配置
 form:{
  //是否开启行内表单模式
  inline:false,
  //表单域标签的位置,可选值为 left、right、top
  labelPosition:&#39;right&#39;,
  //表单域标签的宽度,所有的 FormItem 都会继承 Form 组件的 label-width 的值
  labelWidth:125,
  //是否显示校验错误信息
  showMessage:true,
  //原生的 autocomplete 属性,可选值为 off 或 on
  autocomplete:&#39;off&#39;,
 },
 //文件上传全局配置
 upload:{
  //上传文件之前的钩子,参数为上传的文件,若返回 false 或者 Promise 则停止上传
  beforeUpload:()=>{},
  //文件上传时的钩子,返回字段为 event, file, fileList
  onProgress:(event, file, fileList)=>{},
  //文件上传成功时的钩子,返回字段为 response, file, fileList,若需有把文件添加到文件列表中,在函数值返回即可
  onSuccess:(response, file, fileList)=>{
   // return &#39;filePath&#39;;
  },
  //文件上传失败时的钩子,返回字段为 error, file, fileList
  onError:(error, file, fileList)=>{},
  //点击已上传的文件链接时的钩子,返回字段为 file, 可以通过 file.response 拿到服务端返回数据
  onPreview:(file)=>{},
  //文件列表移除文件时的钩子,返回字段为 file, fileList
  onRemove:(file, fileList)=>{},
  //文件格式验证失败时的钩子,返回字段为 file, fileList
  onFormatError:(file, fileList)=>{},
  //文件超出指定大小限制时的钩子,返回字段为 file, fileList
  onExceededSize:(file, fileList)=>{},
  //辅助操作按钮的图标 ,设置为false将不显示
  handleIcon:&#39;ios-eye-outline&#39;,
  //点击辅助操作按钮事件
  onHandle:(src)=>{},
  //是否可删除,设置为false是不显示删除按钮
  allowRemove:true,
 },
 //表单提交事件
 onSubmit:(formData)=>{},
 //提交按钮配置,设置为false时不显示按钮
 submitBtn:{
  //按钮类型,可选值为primary、ghost、dashed、text、info、success、warning、error或者不设置
  type:"primary",
  //按钮大小,可选值为large、small、default或者不设置
  size:"large",
  //按钮形状,可选值为circle或者不设置
  shape:undefined,
  //开启后,按钮的长度为 100%
  long:true,
  //设置button原生的type,可选值为button、submit、reset
  htmlType:"button",
  //设置按钮为禁用状态
  disabled:false,
  //设置按钮的图标类型
  icon:"ios-upload",
  //按钮文字提示
  innerText:"提交",
  //设置按钮为加载中状态
  loading:false,
 }
}
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