| <template> | 
|     <view | 
|         class="u-steps" | 
|         :class="[`u-steps--${direction}`]" | 
|     > | 
|         <slot></slot> | 
|     </view> | 
| </template> | 
|   | 
| <script> | 
|     import props from './props.js'; | 
|     /** | 
|      * Steps 步骤条 | 
|      * @description 该组件一般用于完成一个任务要分几个步骤,标识目前处于第几步的场景。 | 
|      * @tutorial https://uviewui.com/components/steps.html | 
|      * @property {String}            direction        row-横向,column-竖向 (默认 'row' ) | 
|      * @property {String | Number}    current            设置当前处于第几步 (默认 0 ) | 
|      * @property {String}            activeColor        激活状态颜色 (默认 '#3c9cff' ) | 
|      * @property {String}            inactiveColor    未激活状态颜色 (默认 '#969799' ) | 
|      * @property {String}            activeIcon        激活状态的图标 | 
|      * @property {String}            inactiveIcon    未激活状态图标  | 
|      * @property {Boolean}            dot                是否显示点类型 (默认 false ) | 
|      * @example <u-steps current="0"><u-steps-item title="已出库" desc="10:35" ></u-steps-item></u-steps> | 
|      */ | 
|     export default { | 
|         name: 'u-steps', | 
|         mixins: [uni.$u.mpMixin, uni.$u.mixin, props], | 
|         data() { | 
|             return { | 
|             } | 
|         }, | 
|         watch: { | 
|             children() { | 
|                 this.updateChildData() | 
|             }, | 
|             parentData() { | 
|                 this.updateChildData() | 
|             } | 
|         }, | 
|         computed: { | 
|             // 监听参数的变化,通过watch中,手动去更新子组件的数据,否则子组件不会自动变化 | 
|             parentData() { | 
|                 return [this.current, this.direction, this.activeColor, this.inactiveColor, this.activeIcon, this.inactiveIcon, this.dot] | 
|             } | 
|         }, | 
|         methods: { | 
|             // 更新子组件的数据 | 
|             updateChildData() { | 
|                 this.children.map(child => { | 
|                     // 先判断子组件是否存在对应的方法 | 
|                     uni.$u.test.func((child || {}).updateFromParent()) && child.updateFromParent() | 
|                 }) | 
|             }, | 
|             // 接受子组件的通知,去修改其他子组件的数据 | 
|             updateFromChild() { | 
|                 this.updateChildData() | 
|             } | 
|         }, | 
|         created() { | 
|             this.children = [] | 
|         } | 
|     } | 
| </script> | 
|   | 
| <style lang="scss" scoped> | 
|     @import "../../libs/css/components.scss"; | 
|   | 
|     .u-steps { | 
|         @include flex; | 
|   | 
|         &--column { | 
|             flex-direction: column | 
|         } | 
|   | 
|         &--row { | 
|             flex-direction: row; | 
|             flex: 1; | 
|         } | 
|     } | 
| </style> |