详解Vue后台管理系统开发日常总结(组件PageHeader)

<router-back class="router-back" text="详情" />

<template>
 <div>
  <a
   href="javascript:void(0)" rel="external nofollow" 
   :title="title"
   size="15px"
   class="font-icon arrow-left"
   @click="back"
   v-if="!disableRoute"
  ></a>
  <span
   v-show="text.length > 0 && !disableRoute"
   class="vertical-line"
  ></span>
  <span class="text">{{ text }}</span>
 </div>
</template>
<script>
export default {
 name: 'router-back',
 props: {
  text: {
   type: String,
   default: _ => ''
  },
  url: {
   type: [String, Number],
   default: _ => -1
  },
  title: {
   type: String,
   default: _ => '返回'
  },
  disableRoute: {
   type: Boolean,
   default: _ => false
  }
 },
 methods: {
  back () {
   if (typeof this.url === 'number') return this.$router.go(this.url)
   return this.$router.push(this.url)
  }
 }
}
</script>

import './pageHeader.scss'

const PageHeader = {
 name: 'PageHeader',

 props: {
  // 标题
  title: String,

  // 子标题
  subTitle: String,

  // 返回路径，不适用于带选项卡标题
  path: {
   type: [String, Number],
   default: -1
  },

  // 是否显示回退按钮
  withPath: {
   type: Boolean,
   default: false
  },

  // 子标题显示位置 'right' | 'bottom', 不适用于带选项卡标题
  position: {
   type: String,
   default: 'right'
  },

  // 带选项卡标题开关
  withTab: {
   type: Boolean,
   default: false
  },

  // 选项卡是否引起路由改变
  isRoute: {
   type: Boolean,
   default: false
  },

  // 当前激活选项卡
  activeTab: {
   type: String,
   default: ''
  },

  // 选项卡数据
  options: {
   type: Array,
   default() {
    return [
     {
      title: '',
      field: '',
      path: ''
     }
    ]
   }
  }
 },

 computed: {
  isBottom() {
   return this.position === 'bottom'
  },

  curTab: {
   get: function() {
    return this.activeTab
   },

   set: function(val) {
    if (this.activeTab !== val) {
     if (this.isRoute) {
      this.options.forEach(option => {
       if (option.field === tab) {
        this.$router.push(option.path)
        this.$emit('tabChange', val)
       }
      })
     } else {
      this.$emit('tabChange', val)
     }
    }
   }
  }
 },

 methods: {
  goBack() {
   typeof this.path === 'string'
    ? this.$router.push(this.path)
    : this.$router.go(this.path)
  }
 },

 render(h) {
  const Back = (
   <div class="page-header__back">
    <el-button
     type="text"
     class="page-header__action"
     icon="el-icon-back"
     onClick={this.goBack}
    />
    <span class="page-header__separator mx__m" />
   </div>
  )

  const Header = (
   <div class="page-header-wrap">
    <div class="page-header__main">
     {this.withPath && Back}

     <div class="page-header__title">
      {(this.title || this.$slots.title) && (
       <div
        class={`page-header-title__main ${this.isBottom ? '' : 'fl'}`}
       >
        {this.$slots.title ? this.$slots.title : this.title}
       </div>
      )}

      {(this.subTitle || this.$slots.subTitle) && (
       <div
        class={`page-header-title__sub ${
         this.isBottom ? 'lh__14' : 'fl ml__s'
        }`}
       >
        {this.$slots.subTitle ? this.$slots.subTitle : this.subTitle}
       </div>
      )}
     </div>
    </div>
    {this.$slots.action && (
     <div class={`page-header__aside ${this.isBottom ? 'lh__72' : ''}`}>
      {this.$slots.action}
     </div>
    )}
   </div>
  )

  const TabHeader = (
   <div class="page-header-wrap--tab">
    <div class="page-header-tab__main">
     <el-tabs v-model={this.curTab}>
      {this.options.map(option => (
       <el-tab-pane label={option.title} name={option.field} />
      ))}
     </el-tabs>
    </div>

    {this.$slots.extra && (
     <div class="page-header-tab__extra">{this.$slots.extra}</div>
    )}
   </div>
  )

  return (
   <div class={`page-header ${this.isBottom ? 'pt__20' : 'py__20'}`}>
    {this.withTab ? TabHeader : Header}
   </div>
  )
 }
}

export default PageHeader

import styled from 'vue-styled-components'
import PageHeader from '~/components/pageHeader'

const PageHeaderAction = styled.div`
 border-bottom: 2px solid #e4e7ed;
 padding-bottom: 6px;
`

const UiPageHeader = {
 name: 'UiPageHeader',
 components: {
  PageHeader
 },

 data() {
  return {
   tabActive: '01',
   tabOptions: [
    {
     title: '我的任务',
     field: '01'
    },
    {
     title: '我的流程',
     field: '02'
    },
    {
     title: '店铺任务',
     field: '03'
    },
    {
     title: '店铺流程',
     field: '04'
    }
   ]
  }
 },

 methods: {
  onTabChange(tab) {
   console.log(tab)
  }
 },

 render(h) {
  return (
   <div>
    <el-row>
     <PageHeader title="标题"/>
    </el-row>
    <el-row>
     <PageHeader title="标题 + 默认回退" withPath={true}/>
     <PageHeader title="标题 + 指定回退路径" withPath={true} path="/4/dashboard"/>
    </el-row>
    <el-row>
     <PageHeader title="标题 + 右边描述" subTitle="我是页面标题描述文字，默认显示在标题右边"/>
     <PageHeader title="标题 + 下边描述" subTitle="我是页面标题描述文字，指定显示在标题下边" position="bottom"/>
     <PageHeader
      title="标题 + 回退 + 右边描述"
      withPath={true}
      subTitle="我是页面标题描述文字，默认显示在标题右边"
     />
     <PageHeader
      title="标题 + 回退 + 下边描述"
      withPath={true}
      subTitle="我是页面标题描述文字，指定显示在标题下边"
      position="bottom"
     />
    </el-row>
    <el-row>
     <PageHeader>
      <template slot="title">
       标题插槽示例
       <i class="el-icon-milk-tea"/>
       <strike style="color: #ff8e00">Yah!</strike>
      </template>
     </PageHeader>
     <PageHeader title="标题描述插槽示例">
      <template slot="subTitle">
       我是页面标题描述文字
       <i class="el-icon-milk-tea"/>
       <strike style="color: #ff8e00">Yah!</strike>
      </template>
     </PageHeader>
     <PageHeader title="标题栏右则附加操作按钮示例">
      <template slot="action">
       <el-button type="primary">保存</el-button>
      </template>
     </PageHeader>
     <PageHeader title="标题栏右则附加操作按钮示例2" subTitle="我是页面标题描述文字">
      <template slot="action">
       <el-button class="btn-link" type="text">页面跳转锚点</el-button>
      </template>
     </PageHeader>
     <PageHeader
      withPath={true}
      title="标题栏右则附加操作按钮示例3"
      subTitle="我是页面标题描述文字"
      position="bottom">
      <template slot="action">
       <el-button type="primary">保存</el-button>
      </template>
     </PageHeader>
    </el-row>
    <el-row>
     <h3>Tab选项卡标题示例</h3>
     <div>选项卡功能比较单一，只支持Element-ui默认的水平显示</div>
     <PageHeader
      withTab={true}
      activeTab={this.tabActive}
      options={this.tabOptions}
      onTabChange={this.onTabChange}
     />
    </el-row>
    <el-row>
     <h3>选项卡 + 标题右边附加操作按钮</h3>
     <PageHeader
      withTab={true}
      activeTab={this.tabActive}
      options={this.tabOptions}
      onTabChange={this.onTabChange}
     >
      <template slot="extra">
       <PageHeaderAction>
        <el-button
         type="primary"
         size="small"
         icon="el-icon-plus"
         onClick={this.onCreate}
        >
         新建
        </el-button>
       </PageHeaderAction>
      </template>
     </PageHeader>
    </el-row>
   </div>
  )
 }
}

export default UiPageHeader