traffic-laser/src/views/roads/tabulation.vue

<template>
  <div class="layout" v-if="roadPhoto">
    <ui-button @click="downLayoutImage">下载</ui-button>
    <ui-button @click="history.undo" type="primary" :class="{disabled: !history.state.hasUndo}">撤销</ui-button>
    <ui-button @click="history.redo" type="primary" :class="{disabled: !history.state.hasRedo}">恢复</ui-button>
    <ui-button type="primary" @click="roadPhoto.table = history.value">保存</ui-button>
    <div class="content" ref="layoutRef">
      <h2>{{ roadPhoto.title || "默认名称" }}</h2>
      <table>
        <tr>
          <td class="label" width="150">到达事故现场时间</td>
          <td class="value">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.arrivalTime"
                @blur="history.push"
            />
          </td>
          <td class="label" width="100">天气</td>
          <td class="value" width="80">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.weather"
                @blur="history.push"
            />
          </td>
          <td class="label" width="100">路面性质</td>
          <td class="value" width="150">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.conditions"
                @blur="history.push"
            />
          </td>
        </tr>
        <tr>
          <td class="label">事故发生地点</td>
          <td class="value" colspan="5">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.location"
                @blur="history.push"
            />
          </td>
        </tr>
        <tr>
          <td class="image" colspan="6">
            <div>
              <img :src="getStaticFile(roadPhoto.photoUrl)" @blur="history.push" class="photo" />
              <img
                  src="/static/compass.png"
                  :style="{transform: `rotateZ(${history.value.compassAngle}deg)`}"
                  class="compass"
                  @mousedown="downHandler"
              />
            </div>
          </td>
        </tr>
        <tr>
          <td class="value" colspan="6">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.illustrate"
                @blur="history.push"
            />
          </td>
        </tr>
        <tr>
          <td class="value" colspan="6">
            <ui-input
                type="text"
                @input="input"
                v-model="history.value.other"
                @blur="history.push"
            />
          </td>
        </tr>
      </table>
      <div class="signatures">
        <p class="signature">绘图员：</p>
        <p class="signature">当事人签名：</p>
        <p class="signature">勘察员：</p>
        <p class="signature">见证人签名：</p>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import { router, writeRouteName } from '@/router'
import {computed, ref} from "vue";
import { useHistory } from '@/hook/useHistory'
import {roadPhotos, RoadPhoto, getDefaultTable} from "@/store/roadPhotos";
import {getStaticFile} from "@/dbo/main";
import html2canvas from 'html2canvas'
import UiButton from "@/components/base/components/button/index.vue";
import UiInput from "@/components/base/components/input/index.vue";
import { mathUtil } from '@/graphic/Util/MathUtil'
import {getPostionByTarget} from "@/components/base/utils";

const roadPhoto = computed<RoadPhoto>(() => {
  const route = router.currentRoute.value;
  const params = route.params
  let data
  if (route.name !== writeRouteName.tabulation) {
    return null
  } else if (!params.id || !(data = roadPhotos.value.find(data => data.id === params.id))) {
    router.back();
    return null;
  }
  return data
})
const history = computed(
  () => roadPhoto.value && useHistory(getDefaultTable(roadPhoto.value))
)

const input = () => {
  history.value.state.hasRedo = false
}

const downHandler = (ev: MouseEvent) => {
  const target = (ev.target as HTMLImageElement)
  const page = getPostionByTarget(target, document.documentElement)
  const start = { x: page.x + target.offsetWidth / 2, y: page.y }
  const center = { x: page.x + target.offsetWidth / 2, y: page.y + target.offsetHeight / 2 }
  let angle
  const moveHandler = (ev: MouseEvent) => {
    const move = {
      x: ev.pageX,
      y: ev.pageY
    }
    angle = mathUtil.Angle(center, start, move)
    angle = move.x < start.x ? -angle : angle
    target.style.transform = `rotateZ(${angle}deg)`
    ev.stopPropagation();
    ev.preventDefault();
  }
  const upHandler = (ev:MouseEvent) => {
    document.documentElement.removeEventListener("mousemove", moveHandler)
    document.documentElement.removeEventListener("mouseup", upHandler);
    ev.stopPropagation();
    ev.preventDefault();
    history.value.value.compassAngle = angle
    history.value.push()
  }
  document.documentElement.addEventListener("mousemove", moveHandler)
  document.documentElement.addEventListener("mouseup", upHandler)

  ev.stopPropagation();
  ev.preventDefault();
}

const layoutRef = ref<HTMLDivElement>()
const downLayoutImage = async () => {
  const canvas = await html2canvas(layoutRef.value)
  const blob = await new Promise<Blob>(resolve => canvas.toBlob(resolve, "image/jpeg", 0.95))
  window.open(URL.createObjectURL(blob))
}
</script>

<style lang="scss" scoped>
.layout {
  overflow-y: auto;
  height: 100%;
}

.content {
  box-sizing: content-box;
  width: 980px;
  height: 1300px;
  padding: 20px;
  padding-bottom: 60px;
  margin: 0 auto;
}

.image {
  position: relative;
  div {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    .photo {
      max-width: 100%;
      max-height: 100%;
    }
    .compass {
      position: absolute;
      right: 20px;
      top: 20px;
      width: 60px;
    }
  }
}

.content table {
  width: 980px;
  height: 800px;
  border: 2px solid #000;
  border-collapse: collapse;

  td:not(:last-child) {
    border-right: 2px solid #000;
  }
  tr:not(:last-child) td {
    border-bottom: 2px solid #000;
  }

  .value {
    height: 43px;
  }
}

.signatures {
  display: flex;

  .signature {
    flex: 1;
  }
}
</style>

<style lang="scss">
.value {
  box-sizing: border-box;
  padding: 8px 10px;
  input,
  .ui-input {
    width: 100%;
    height: 100%;
    padding: 0 !important;
    outline: none !important;
    border: none !important;
    color: #000 !important;
  }
}
</style>