In the following example, we have an input field, which attaches to the name data property, and error is a computed property. If name contains afalsy value(which means name is an empty string, 0, undefined, null, or false), error will beassigneda value of "Name is required". Otherwise...
复制 importPropTypesfrom'prop-types'// ...Tag.propTypes={color:PropTypes.string,closable:PropTypes.bool,onClose:PropTypes.func} 是不是很简单? 这样一个可定制对的tag组件就完成了,关于代码中的css module和classnames的使用大家可以自己去官网学习,非常简单. 3. 基于react实现一个Empty(空状态)组件 这个组件...
import { ref, computed } from "vue"; /** * @description 表格多选数据操作 * @param {String} rowKey 当表格可以多选时,所指定的 id * */ export const useSelection = (rowKey: string = "id") => { // 是否选中数据 const isSelected = ref<boolean>(false); // 选中的数据列表 const select...
displayPosition: 'bottomleft', displayEmptyString: 'No wind data' }, data: this.map, // 数据 格式可参照 maxVelocity: 15 }) velocityLayer.addTo(this.map)// 添加到图上 }) }, mounted () { this.initMap() } } 前端 vue leaflet 地图 风场 Limboss | 初学一级 | 园豆:102 提问...
actionPrefix String 'socket_' Prepend to event name while converting event to action. Empty string disables prefixing mutationPrefix String 'SOCKET_' Prepend to event name while converting event to mutation. Empty string disables prefixing eventToMutationTransformerFunction...
[Vue warn]: Invalid prop: type check failed for prop “disabled”. Expected Boolean, got String 意思是prop期待传入布尔值,而你传入的却是字符串,类型错误。 解决思路: 1、首先去vue文件中查找disabled关键字,确定传入的值是否为Boolean类型。 2、如果使用ElementUI,则需要在disabled前面加上冒号,例如 ...
'pincode'String (with length from 1 to props.digits numbers OR empty string '');current input & result of entering pin code on this moment @pincodeInputInvalidInputObject ({}) with fields: 'id'Number (integer); 'value'String (with length === 1);current invalid input value with input...
Before we can fetch data, we need to define the data of our components. We can do this by creating adata()method. We will declareresultsas an empty array andqueryas an empty string. The empty array is where we will store the data we fetch from the API: ...
toString// 类型转成 String toNumber// 类型转成 Number 第113 行至第 354 行 makeMap// makeMap 方法将字符串切割,放到map中,用于校验其中的某个字符串是否存在(区分大小写)于map中 e.g. var isBuiltInTag = makeMap('slot,component', true);// 是否为内置标签isBuiltInTag('slot'); //trueisBui...