文档查看

文档查看

演示源码全屏查看代码

<template>
  <FaLayout v-loading="loading" :right="240" :left="false">
    <AppHeader slot="header" />

    <FaContract ref="viewer" :docs="docs" :doc-index.sync="docIndex" :page-src="getPageImg" />

    <FaThumbs slot="right" :viewer="viewer" :docs="docs" :doc-index.sync="docIndex" />
  </FaLayout>
</template>

<script lang="ts">
import { defineComponent, onMounted, reactive, Ref, ref, toRefs } from 'vue'
import { DocData, Viewer } from 'fdd-contract'
import AppHeader from '../components/AppHeader.vue'
import { getDetail, getPageImg } from '../utils/mock'

/** 文档查看 */
export default defineComponent({
  name: 'ContractView',
  components: { AppHeader },

  setup() {
    /** 合同控件 */
    const viewer = ref(null) as Ref<Viewer | null>

    /** 详情数据 */
    const detail = reactive({
      /** 文档列表 */
      docs: [] as DocData[]
    })

    /** 加载中 */
    const loading = ref(false)

    /** 当前文档索引 */
    const docIndex = ref(0)

    /** 详情加载 */
    async function load() {
      try {
        loading.value = true

        const { docs } = await getDetail()

        Object.assign(detail, { docs })
      } finally {
        loading.value = false
      }
    }

    onMounted(load)

    return {
      ...toRefs(detail),

      /** 合同控件 */
      viewer,

      /** 获取文档页面图片地址 */
      getPageImg,

      /** 加载中 */
      loading,

      /** 当前文档索引 */
      docIndex
    }
  }
})
</script>

<template>
  <div class="app-header">
    <h2 class="app-header__title">{{ appTitle }}</h2>

    <div class="app-header__action">
      <slot />
    </div>
  </div>
</template>

<script lang="ts">
import { computed, defineComponent } from 'vue'
import router from '../router'

export default defineComponent({
  name: 'AppHeader',

  props: {
    /** 标题 */
    title: {
      type: String,
      default: ''
    }
  },

  setup(props) {
    return {
      appTitle: computed(() => props.title || router.currentRoute.meta?.title || '')
    }
  }
})
</script>

<style lang="scss" scoped>
.app-header {
  position: relative;
  z-index: 1;
  height: 48px;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);

  &__title {
    margin: 0;
    font-size: 16px;
    line-height: 48px;
    text-align: center;
  }

  &__action {
    position: absolute;
    top: 0;
    right: 16px;
    display: flex;
    align-items: center;
    height: 100%;
  }
}
</style>

import FddContract, { createId, PageData, ActorData, SignData, DocData, Widget } from 'fdd-contract'
import { mockAjax } from '.'
import { createDateSign, createSignature, getImg } from './img'

/** 页面尺寸 */
const pageSizes = (() => {
  const { width, height } = FddContract.config.page
  return {
    /** A4 */
    a4: {
      w: width,
      h: height
    },

    /** A4 横版 */
    a4c: {
      w: height,
      h: width
    },

    /** A5 */
    a5: {
      w: 530,
      h: 820
    },

    /** A5 横版 */
    a5c: {
      w: 820,
      h: 530
    }
  }
})()

/** 创建文档 */
function createDoc(name: string, count = 1, sizes = Object.keys(pageSizes) as (keyof typeof pageSizes)[]): DocData {
  return {
    id: createId(),
    name,
    pages: Array.from(new Array(count), (item, p) => {
      const pageType = sizes[Math.floor(Math.random() * sizes.length)]
      const { w, h } = pageSizes[pageType]
      return {
        p,
        w,
        h
      } as PageData
    })
  }
}

/** 文档 */
export const docs = [
  createDoc('7页 A4 合同', 7, ['a4']),
  createDoc('1页 A4 合同', 1, ['a4']),
  createDoc('2页 A4 合同', 2, ['a4']),
  createDoc('3页 A4 合同', 3, ['a4']),
  createDoc('20页异形合同', 20),
  createDoc('100页 A4 合同', 100, ['a4']),
  createDoc('20000页合同', 20000, ['a4'])
]

/** 参与方 */
export const actors: ActorData[] = [
  {
    id: createId(),
    name: '深圳市法大大有限公司-小智',
    index: 0,
    isSender: true,
    fill: true,
    sign: true
  },
  {
    id: createId(),
    name: '深圳市桔子有限公司-小度',
    index: 1,
    fill: true,
    sign: false
  },
  {
    id: createId(),
    name: '深圳市大米有限公司-小爱',
    index: 2,
    fill: false,
    sign: true
  },
  {
    id: createId(),
    name: '小白',
    index: 3,
    isPerson: true,
    fill: true,
    sign: true
  },
  {
    id: createId(),
    name: '小丽',
    index: 4,
    isPerson: true,
    fill: false,
    sign: true
  }
]

/** 印章 */
const seals: SignData[] = [
  {
    id: createId(),
    name: '法大大',
    img: getImg('seal-fadada.svg'),
    default: true,
    specs: '42mm * 42mm',
    w: 160,
    h: 160
  },
  {
    id: createId(),
    name: '桔子',
    img: getImg('seal-juzi.svg'),
    specs: '60mm * 60mm',
    w: 228,
    h: 228,
    tag: '标签'
  },
  {
    id: createId(),
    name: '大米',
    img: getImg('seal-dami.svg'),
    specs: '38mm * 38mm',
    w: 142,
    h: 142,
    tag: { text: '标签', type: 'success' }
  },
  {
    id: createId(),
    name: '大米',
    img: getImg('seal-dami.svg'),
    disabled: true,
    specs: '40mm * 40mm',
    w: 150,
    h: 150
  }
]

/** 签名 */
const signatures: SignData[] = [
  {
    id: createId(),
    name: '小智',
    img: createSignature('小智'),
    default: true,
    specs: '30mm * 16mm'
  },
  {
    id: createId(),
    name: '小度',
    img: createSignature('小度'),
    specs: '20mm * 11mm',
    w: 114,
    h: 64,
    tag: { text: '标签', type: 'danger', effect: 'dark' }
  },
  {
    id: createId(),
    name: '小爱',
    img: createSignature('小爱'),
    specs: '16mm * 16mm',
    w: 92,
    h: 92,
    tag: { text: '标签', effect: 'normal' }
  },
  {
    id: createId(),
    name: '小明',
    img: createSignature('小明'),
    disabled: true
  }
]

/** 日期章 */
const dateSign = {
  img: createDateSign()
} as SignData

/** 签章信息 */
export const signs = {
  /** 印章 */
  seals,

  /** 签名 */
  signatures,

  /** 日期章 */
  dateSign
}

const DETAIL_STORE_KEY = 'demo-detail'

interface Detail {
  /** 文档列表 */
  docs: DocData[]

  /** 参与方列表 */
  actors: ActorData[]

  /** 签章信息 */
  signs: typeof signs
}

/** 获取详情数据 */
export function getDetail() {
  return mockAjax(() => {
    const cache = sessionStorage.getItem(DETAIL_STORE_KEY)

    if (cache) {
      return JSON.parse(cache) as Detail
    }

    const detail: Detail = {
      docs,
      actors,
      signs
    }

    sessionStorage.setItem(DETAIL_STORE_KEY, JSON.stringify(detail))

    return detail
  })
}

/** 获取文档页面图片地址 */
export function getPageImg(doc: DocData, page: PageData) {
  const { w, h, p } = page
  const n = p + 1
  return `//fakeimg.pl/${w}x${h}/fff?text=${n}`
  // return `//picsum.photos/seed/picsum/${w}/${h}`
  // return `//fpoimg.com/${w}x${h}?bg_color=fff&text=${n}`
  // return `//temp.im/${w}x${h}/fff/aaa`
  // return `//dummyimage.com/${w}x${h}.png/fff/aaa&text=${n}`
  // return `//via.placeholder.com/${w}x${h}/fff?text=${n}`
}

/** 获取日期章图片地址 */
export function getDateSignImg(widget: Widget) {
  const { fontSize, dateFormat: formate } = widget.sign

  return createDateSign({
    fontSize,
    formate
  })
}

import { MessageBox } from 'element-ui'
import { awaitTimeout, Widget } from 'fdd-contract'

/** 模拟 Ajax 请求 */
export async function mockAjax<T extends () => void>(callback: T): Promise<ReturnType<T>> {
  return awaitTimeout(Math.random() * 1000, callback)
}

/** 控件数据提示 */
export function alertWidgetsRaw(data: Widget[]) {
  MessageBox.alert(
    `<pre class="demo-alert-data">${JSON.stringify(data.map(item => item.getRawField()))}</pre>`,
    '提交数据',
    {
      dangerouslyUseHTMLString: true
    }
  )
}

import { DateFormat } from 'fdd-contract'
import formatDateString from '../../src/widgets/date-fill/formatDateString'

/** 获取图片地址 */
export function getImg(src: string) {
  // Vite 下获取静态资源地址
  return new URL(`../assets/img/${src}`, import.meta.url).href
}

/** svg 图片 base64 */
export function svg2Base64(svg: string) {
  return `data:image/svg+xml;base64,${window.btoa(unescape(encodeURIComponent(svg)))}`
}

/** 生成签署日期 base64 图片 */
export function createDateSign({
  date = new Date(),
  fontSize = 16,
  formate = DateFormat.LOCAL
}: {
  date?: Date
  fontSize?: number
  formate?: DateFormat
} = {}) {
  const format = (n: number) => (n < 10 ? `0${n}` : `${n}`)
  const [w, h] = [170, 28]
  const opacity = '0.8'
  const text = formatDateString(
    `${date.getFullYear()}/${format(date.getMonth() + 1)}/${format(date.getDate())}`,
    formate
  )

  return svg2Base64(`<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="${w}" height="${h}" viewbox="0 0 ${w} ${h}" fill-opacity="${opacity}" stroke-opacity="${opacity}">
      <text x="${w / 2}" y="${
    h / 2
  }" fill="black" font-family="宋体,SimSun" font-size="${fontSize}" style="text-anchor: middle; dominant-baseline: central;">${text}</text>
  </svg>`)
}

/** 生成签名 base64 图片 */
export function createSignature(text: string) {
  const [w, h] = [171, 92]
  const fontSize = 56
  const opacity = 0.8

  return svg2Base64(`<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="${w}" height="${h}" viewbox="0 0 ${w} ${h}" fill-opacity="${opacity}" stroke-opacity="${opacity}" >
      <text font-family="楷体,KaiTi" font-size="${fontSize}" x="${w / 2}" y="${
    h / 2
  }" fill="black" style="text-anchor: middle; dominant-baseline: central;">${text}</text>  
    <text x="130" y="86" fill="#888" font-size="12">E-Sign</text>
  </svg>`)
}