art-design/src/views/auth/signature/mobile.vue

<template>
  <div class="signature-page" :class="{ landscape }">
    <div class="header">电子签名</div>
    <div class="canvas-wrap">
      <canvas
        ref="canvasRef"
        class="canvas"
        :style="{ pointerEvents: locked ? 'none' : 'auto' }"
        @touchstart.prevent="onStart"
        @touchmove.prevent="onMove"
        @touchend.prevent="onEnd"
        @mousedown.prevent="onMouseDown"
        @mousemove.prevent="onMouseMove"
        @mouseup.prevent="onMouseUp"
      ></canvas>
    </div>
    <div class="toolbar">
      <el-button :disabled="locked" @click="clearCanvas">清空</el-button>
      <!-- <el-button :disabled="locked" @click="toggleLandscape">横屏</el-button> -->
      <el-button type="primary" :disabled="locked" :loading="submitting" @click="saveSignature">
        保存
      </el-button>
    </div>
    <div class="tip">
      {{ locked ? '签名已保存，页面已锁定' : '请在画布上手写签名，然后点击保存' }}
    </div>
  </div>
</template>

<script setup lang="ts">
  import { ref, onMounted, computed } from 'vue'
  import { useRoute } from 'vue-router'
  import { ElMessage } from 'element-plus'
  import { useUploadHeaders } from '@/composables/useUploadHeaders'
  // import { CrmService } from '@/api/crmApi'
  import { commonService } from '@/api/commonApi'
  import { useUserStore } from '@/store/modules/user'

  const route = useRoute()
  const userId = route.query.userId as string | undefined
  const userStore = useUserStore()
  // 优先使用URL传入的token，否则取当前应用内的token
  const urlToken =
    (route.query.accessToken as string | undefined) || (route.query.token as string | undefined)
  // 其他头部信息从URL透传（便于直达页调用接口）
  const urlLang = route.query.lang as string | undefined
  const urlCorp =
    (route.query.companyabbr as string | undefined) ||
    (route.query.corp as string | undefined) ||
    userStore.companyabbr
  const urlLoginType =
    (route.query.loginType as string | undefined) || (route.query.type as string | undefined)
  const urlSys =
    (route.query.systemsabbr as string | undefined) ||
    (route.query.sys as string | undefined) ||
    userStore.systemsabbr ||
    'fdesk'
  const effectiveToken = urlToken || userStore.accessToken

  // 从URL参数获取公司信息并存储到userStore（如果路由守卫没有处理）
  const companyid =
    (route.query.companyid as string | undefined) || (route.query.corpid as string | undefined)
  const companyabbr =
    (route.query.companyabbr as string | undefined) || (route.query.corp as string | undefined)
  if (companyid && companyabbr && (!userStore.companyid || !userStore.companyabbr)) {
    userStore.setCompany(companyid, companyabbr)
  }

  // 从URL参数获取系统信息并存储到userStore（如果路由守卫没有处理）
  const systemsabbr =
    (route.query.systemsabbr as string | undefined) || (route.query.sys as string | undefined)
  const systemsid =
    (route.query.systemsid as string | undefined) || (route.query.sysid as string | undefined)
  if (systemsid && systemsabbr && (!userStore.systemsid || !userStore.systemsabbr)) {
    userStore.setSystems(systemsid, systemsabbr)
  }

  // 从URL参数获取登录类型并存储到userStore（如果路由守卫没有处理）
  if (urlLoginType && !userStore.loginType) {
    userStore.setLoginType(urlLoginType as 'feishu' | 'upwd')
  }

  // 从URL参数获取token并存储到userStore（如果路由守卫没有处理）
  if (urlToken && !userStore.accessToken) {
    userStore.setToken(urlToken)
  }
  // 调试信息：打印初始化时的userStore状态
  // console.log('Signature page initialized:', {
  //   urlParams: {
  //     userId,
  //     urlToken: urlToken ? 'exists' : 'missing',
  //     urlLang,
  //     urlCorp,
  //     urlLoginType,
  //     urlSys
  //   },
  //   userStore: {
  //     companyabbr: userStore.companyabbr,
  //     companyid: userStore.companyid,
  //     systemsabbr: userStore.systemsabbr,
  //     systemsid: userStore.systemsid,
  //     language: userStore.language,
  //     loginType: userStore.loginType,
  //     accessToken: userStore.accessToken ? 'exists' : 'missing',
  //     isLogin: userStore.isLogin
  //   }
  // })

  const { uploadHeaders } = useUploadHeaders()
  // 基于URL参数动态构造上传头，优先使用URL透传值
  const dynamicHeaders = computed(() => {
    const headers: Record<string, string> = { ...(uploadHeaders.value || {}) }

    // 语言设置
    if (urlLang) headers['Fdesk-Language'] = urlLang

    // 公司标识 - 优先使用URL参数，其次使用userStore，最后使用默认值
    const corpAbbr = urlCorp || userStore.companyabbr || 'default'
    headers['Fdesk-Corp-Abbr'] = corpAbbr

    // 登录类型
    if (urlLoginType) headers['Fdesk-Login-Type'] = urlLoginType

    // 系统标识
    headers['Fdesk-System-Code'] = urlSys

    // 认证令牌
    if (effectiveToken) headers['Fdesk-Auth-Token'] = 'Bearer ' + effectiveToken

    // 调试信息：打印请求头
    // console.log('Signature page headers:', headers)
    // console.log('URL params:', {
    //   urlLang,
    //   urlCorp,
    //   urlLoginType,
    //   urlSys,
    //   effectiveToken
    // })
    // console.log('Final corp abbr:', corpAbbr)

    return headers
  })

  const canvasRef = ref<HTMLCanvasElement | null>(null)
  const ctx = ref<CanvasRenderingContext2D | null>(null)
  const drawing = ref(false)
  const submitting = ref(false)
  const landscape = ref(false)
  const locked = ref(false)

  const resizeCanvas = () => {
    const canvas = canvasRef.value
    if (!canvas) return
    const dpr = window.devicePixelRatio || 1
    let width = Math.min(window.innerWidth - 32, 800)
    let height = Math.round(width * 0.5)
    if (landscape.value && window.innerHeight > 0) {
      // 横屏时尽量占满高度
      const h = Math.min(window.innerHeight - 120, 500)
      height = h
      width = Math.round(h * 2)
    }
    canvas.style.width = width + 'px'
    canvas.style.height = height + 'px'
    canvas.width = Math.floor(width * dpr)
    canvas.height = Math.floor(height * dpr)
    const c = canvas.getContext('2d')!
    c.scale(dpr, dpr)
    c.lineWidth = 3
    c.lineCap = 'round'
    c.lineJoin = 'round'
    c.strokeStyle = '#111'
    ctx.value = c
    // 背景白色
    c.fillStyle = '#fff'
    c.fillRect(0, 0, width, height)
  }

  onMounted(() => {
    resizeCanvas()
    window.addEventListener('resize', resizeCanvas)
  })

  const getPoint = (e: TouchEvent | MouseEvent) => {
    const canvas = canvasRef.value!
    const rect = canvas.getBoundingClientRect()
    let clientX = 0
    let clientY = 0
    if (e instanceof TouchEvent) {
      const t = e.touches[0] || e.changedTouches[0]
      clientX = t.clientX
      clientY = t.clientY
    } else {
      clientX = (e as MouseEvent).clientX
      clientY = (e as MouseEvent).clientY
    }
    return { x: clientX - rect.left, y: clientY - rect.top }
  }

  const onStart = (e: TouchEvent) => {
    if (locked.value) return
    drawing.value = true
    const p = getPoint(e)
    ctx.value!.beginPath()
    ctx.value!.moveTo(p.x, p.y)
  }
  const onMove = (e: TouchEvent) => {
    if (locked.value) return
    if (!drawing.value) return
    const p = getPoint(e)
    ctx.value!.lineTo(p.x, p.y)
    ctx.value!.stroke()
  }
  const onEnd = () => {
    if (locked.value) return
    drawing.value = false
  }

  const onMouseDown = (e: MouseEvent) => onStart(e as any)
  const onMouseMove = (e: MouseEvent) => onMove(e as any)
  const onMouseUp = () => onEnd()

  const clearCanvas = () => {
    if (locked.value) return
    resizeCanvas()
  }

  const dataURLToFile = (dataURL: string, filename: string) => {
    const arr = dataURL.split(',')
    const mime = arr[0].match(/:(.*?);/)?.[1] || 'image/png'
    const bstr = atob(arr[1])
    let n = bstr.length
    const u8arr = new Uint8Array(n)
    while (n--) u8arr[n] = bstr.charCodeAt(n)
    return new File([u8arr], filename, { type: mime })
  }

  const uploadUrl = `${import.meta.env.VITE_API_URL}/ticket/upload?scene=user_signature`

  const requestFullscreen = async (el: HTMLElement) => {
    const anyEl = el as any
    if (anyEl.requestFullscreen) return anyEl.requestFullscreen()
    if (anyEl.webkitRequestFullscreen) return anyEl.webkitRequestFullscreen()
    if (anyEl.msRequestFullscreen) return anyEl.msRequestFullscreen()
  }

  const lockOrientationLandscape = async () => {
    const anyScr = screen as any
    if (anyScr.orientation && anyScr.orientation.lock) {
      try {
        await anyScr.orientation.lock('landscape')
      } catch {
        // ignore
      }
    }
  }

  const isLimitedWebview = () => /MicroMessenger|Lark|Feishu|DingTalk/i.test(navigator.userAgent)

  const toggleLandscape = async () => {
    landscape.value = !landscape.value
    if (landscape.value) {
      // 在微信/飞书等内置浏览器中，强制横屏普遍受限，采用 CSS 旋转兜底
      if (!isLimitedWebview()) {
        await requestFullscreen(document.documentElement)
        await lockOrientationLandscape()
      }
    }
    setTimeout(resizeCanvas, 200)
  }

  const saveSignature = async () => {
    if (!userId) {
      ElMessage.error('缺少用户信息')
      return
    }
    try {
      submitting.value = true
      const canvas = canvasRef.value!
      const dataUrl = canvas.toDataURL('image/png')
      const file = dataURLToFile(dataUrl, `signature_${userId}_${Date.now()}.png`)

      const form = new FormData()
      form.append('file', file)

      const headers: Record<string, string> = { ...(dynamicHeaders.value || {}) }
      // 兼容后端可能验 Authorization 的情况
      if (effectiveToken) headers['Authorization'] = `Bearer ${effectiveToken}`

      // 调试信息：打印上传请求详情
      // console.log('Upload URL:', uploadUrl)
      // console.log('Upload headers:', headers)
      // console.log('UserStore state:', {
      //   systemsabbr: userStore.systemsabbr,
      //   systemsid: userStore.systemsid,
      //   companyabbr: userStore.companyabbr,
      //   companyid: userStore.companyid,
      //   language: userStore.language,
      //   loginType: userStore.loginType
      // })

      const res = await fetch(uploadUrl, {
        method: 'POST',
        headers,
        body: form
      })
      const json = await res.json()
      // console.log('Upload response:', json)
      if (json.code !== 200) throw new Error(json.message || '上传失败')

      // 将签名保存到个人信息（假设 crmuseredit 接受 signature 和 signature_pic_full 字段）
      const res1 = await commonService.signatureEdit({
        sign_img: json.data.file_name
      })

      ElMessage.success(res1?.message || '签名已保存')
      locked.value = true
      // 完成后可提示返回或自动关闭
      // setTimeout(() => {
      //   if (window.history.length > 1) window.history.back()
      // }, 800)
    } catch (e: any) {
      ElMessage.error(e?.message || '保存失败')
    } finally {
      submitting.value = false
    }
  }
</script>

<style scoped>
  .signature-page {
    padding: 16px;
  }
  .header {
    text-align: center;
    font-weight: 600;
    font-size: 18px;
    margin-bottom: 12px;
  }
  .canvas-wrap {
    display: flex;
    justify-content: center;
  }
  .canvas {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    touch-action: none;
  }
  .toolbar {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 12px;
  }
  .tip {
    text-align: center;
    color: #909399;
    margin-top: 8px;
    font-size: 12px;
  }
</style>