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馅饼
2025-09-04 21:21:53 +08:00
parent 19b6251011
commit 3ca2451b2f
1 changed files with 286 additions and 319 deletions
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pages/work/inspection/scanSign/index.vue
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@@ -38,326 +38,293 @@
</template>
<script>
import {
addRecord
} from "@/api/inspection/record.js"
// 如果你已有 uploadImg 封装且内部就是 uni.uploadFile，可以继续用；
// 但前提是它支持 H5 直接传 File 对象（不是 URL 字符串）。
// 这里我示范“直接用 uni.uploadFile”的写法，更稳妥。
import {
addWatermarkToImage
} from "@/utils/watermark.js"
import appConfig from '@/config'
const UPLOAD_URL = appConfig.baseUrl + "/common/upload" // 按你后端改
import { addRecord } from "@/api/inspection/record.js"
import { addWatermarkToImage } from "@/utils/watermark.js"
import appConfig from "@/config"
// ------- URL 安全拼接，避免出现 /undefined/common/upload -------
function joinURL(base, path) {
const b = (base || "").replace(/\/+$/, "")
const p = (path || "").replace(/^\/+/, "")
return `${b}/${p}`
}
const BASE_URL = appConfig?.baseUrl || (process.env.VUE_APP_BASE_API || "")
const UPLOAD_URL = joinURL(BASE_URL, "/common/upload")
export default {
data() {
return {
form: {
inspectionType: 0,
inspectorId: this.$store.state.user.nickName,
inspectionPoint: "",
inspectionRequirements: "",
inspectionImg: "",
ImgUrl: [], // 存后端返回的文件名/URL
remark: ""
},
img: [], // 绑定给 uni-file-picker 的预览列表
sourceType: ['camera'],
msgType: '',
messageText: '',
isUploading: false,
isMobileBrowser: false
}
},
methods: {
async submit() {
if (this.isUploading) {
this.showMessage('warning', '图片正在上传中，请稍等')
return
}
if (!Array.isArray(this.form.ImgUrl) || this.form.ImgUrl.length === 0) {
this.showMessage('error', '请选择要上传的图片')
return
}
this.form.inspectionImg = this.joinList()
try {
const res = await addRecord(this.form)
if (res.code === 200) {
this.showMessage('success', '打卡成功')
} else {
this.showMessage('error', '打卡失败')
}
} catch (err) {
this.showMessage('error', `提交失败: ${err.message}`)
}
},
// uni-file-picker 删除：e.tempFile 里通常有 {url/path}，与你传给 value 的结构需一致
deleteImg(e) {
const url = e.tempFile?.url || e.tempFile?.path
const idx = this.img.findIndex(x => x.url === url)
if (idx !== -1) {
this.img.splice(idx, 1)
// 同步移除已上传结果（按你的业务，可以用同索引移除或按返回名移除）
this.form.ImgUrl.splice(idx, 1)
}
},
// 选择文件（支持多张）
async upload(e) {
if (!e?.tempFiles?.length) return
if (this.isUploading) {
this.showMessage('warning', '图片正在上传中，请稍等')
return
}
this.isUploading = true
try {
// 逐张处理
for (const tf of e.tempFiles) {
await this.handleImageUpload(tf) // 这里传入每个 tempFile
}
// this.showMessage('success', '图片处理/上传完成')
} catch (err) {
console.error(err)
this.showMessage('error', `图片上传失败：${err.message || err}`)
} finally {
this.isUploading = false
}
},
// 单张处理：加水印 ->（可选）压缩 -> 上传
async handleImageUpload(tempFile) {
// tempFile.file: H5 下是 File 对象；App/小程序是临时路径
const raw = tempFile.file || tempFile // 兼容各端
// 生成水印文字
const watermarkText = `${this.form.inspectionPoint || '未命名地点'} \n${this.getCurrentDate()}`
// 加水印（返回 File/Blob）
const watermarked = await addWatermarkToImage(raw, watermarkText)
// 可选：移动端压缩（你已有方法，按需启用）
// const finalFile = await this.compressImageForMobile(watermarked)
const finalFile = watermarked
// 预览：用本地 URL，仅供前端显示
const previewUrl = URL.createObjectURL(finalFile)
this.img.push({
url: previewUrl, // uni-file-picker 识别 url
name: finalFile.name || `image_${Date.now()}.jpg`,
extname: 'jpg'
})
// 真正上传：**不要传 previewUrl 字符串**，而是传二进制 `file`
// H5 下：uni.uploadFile 支持传 `file: File`
const uploadedName = await this.uploadFileWithUni(finalFile)
// 回填后端返回的文件名/URL
this.form.ImgUrl.push(uploadedName)
},
// 用 uni.uploadFile 直接传二进制
uploadFileWithUni(file) {
return new Promise((resolve, reject) => {
uni.uploadFile({
url: UPLOAD_URL,
name: 'file', // 后端接收字段名（按你的后端改）
file, // H5 直接传 File 对象（重点！）
// 如果后端还需要额外字段：
// formData: { bizType: 'inspection' },
success: (res) => {
try {
const data = typeof res.data === 'string' ? JSON.parse(res.data) : res
.data
if (data.code === 200) {
// 假设后端返回 { code:200, fileName: 'xxx.jpg', url:'...' }
resolve(data.fileName || data.url)
} else {
reject(new Error(data.msg || '上传失败'))
}
} catch (e) {
reject(new Error('上传响应解析失败'))
}
},
fail: (err) => reject(err)
})
})
},
cancel() {
uni.reLaunch({
url: '/pages/work/index'
})
},
joinList() {
return this.form.ImgUrl.join(',')
},
getCurrentDate() {
const now = new Date()
const y = now.getFullYear()
const m = String(now.getMonth() + 1).padStart(2, '0')
const d = String(now.getDate()).padStart(2, '0')
const hh = String(now.getHours()).padStart(2, '0')
const mm = String(now.getMinutes()).padStart(2, '0')
const ss = String(now.getSeconds()).padStart(2, '0')
return `${y}-${m}-${d} ${hh}:${mm}:${ss}`
},
dialogConfirm() {
if (this.msgType === 'success') {
uni.reLaunch({
url: '/pages/work/index'
})
}
},
showMessage(type, text) {
this.msgType = type
this.messageText = text
this.$refs.alertDialog.open()
},
checkMobileBrowser() {
const ua = navigator.userAgent.toLowerCase()
const isMobile = /iphone|ipod|android|windows phone|mobile|blackberry/.test(ua)
this.isMobileBrowser = isMobile || window.__uniAppWebview
},
// 计算目标尺寸
calcTargetSize(imgW, imgH, maxW, maxH) {
let w = imgW,
h = imgH
if (w > maxW || h > maxH) {
const ratio = Math.min(maxW / w, maxH / h)
w = Math.round(w * ratio)
h = Math.round(h * ratio)
}
return {
w,
h
}
},
// iOS 兼容 toBlob（老 Safari）
canvasToBlob(canvas, type, quality) {
return new Promise((resolve) => {
if (canvas.toBlob) {
canvas.toBlob((blob) => resolve(blob), type, quality)
} else {
// fallback: toDataURL -> Blob
const dataURL = canvas.toDataURL(type, quality)
const arr = dataURL.split(',')
const mime = arr[0].match(/:(.*?);/)[1]
const bstr = atob(arr[1])
let n = bstr.length
const u8arr = new Uint8Array(n)
while (n--) u8arr[n] = bstr.charCodeAt(n)
resolve(new Blob([u8arr], {
type: mime
}))
}
})
},
// H5: DataURL -> File
blobToFile(blob, filename) {
return new File([blob], filename || `img_${Date.now()}.jpg`, {
type: blob.type || 'image/jpeg'
})
},
/**
* 压缩图片（移动端友好）
* @param {File|Object|String} input H5: File；小程序/APP：tempFile 对象或临时路径
* @param {Object} opts { quality: 0.6, maxWidth: 1200, maxHeight: 1200, mime: 'image/jpeg' }
* @returns Promise<File|string> H5 返回 File；小程序/APP 返回压缩后的临时路径
*/
async compressImageForMobile(input, opts = {}) {
const {
quality = 0.6,
maxWidth = 1200,
maxHeight = 1200,
mime = 'image/jpeg'
} = opts
// #ifdef H5
// —— H5：使用 canvas 压缩 —— //
const file = input instanceof File ? input : (input?.file instanceof File ? input.file : null)
if (!file) return input // 没拿到 File 就直接返回原始值
// 读取为 dataURL
const dataURL = await new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onload = () => resolve(reader.result)
reader.onerror = () => reject(new Error('文件读取失败'))
reader.readAsDataURL(file)
})
// 图片加载
const img = await new Promise((resolve, reject) => {
const image = new Image()
image.onload = () => resolve(image)
image.onerror = () => reject(new Error('图片加载失败'))
image.src = dataURL
})
const {
w,
h
} = this.calcTargetSize(img.width, img.height, maxWidth, maxHeight)
// 如果尺寸本来就不大，直接走质量压缩（或原图）
const canvas = document.createElement('canvas')
canvas.width = w
canvas.height = h
const ctx = canvas.getContext('2d')
ctx.imageSmoothingQuality = 'high'
ctx.drawImage(img, 0, 0, w, h)
const blob = await this.canvasToBlob(canvas, mime, quality)
if (!blob) return file
// 若压缩后反而更大，则返回原图
if (blob.size > file.size) return file
return this.blobToFile(blob, file.name)
// #endif
// #ifdef MP-WEIXIN || APP-PLUS
// —— 小程序 / APP：使用 uni.compressImage —— //
// 允许传入 input 为对象（如 tempFile）或字符串路径
const srcPath = typeof input === 'string' ?
input :
(input?.tempFilePath || input?.path || input?.filePath)
if (!srcPath) return input
// uni.compressImage 文档：quality 0-100，部分端支持 width/height
const q = Math.max(1, Math.min(100, Math.round(quality * 100)))
// 尝试带上 width/height（端上不支持也会忽略）
const compressed = await new Promise((resolve, reject) => {
uni.compressImage({
src: srcPath,
quality: q,
width: maxWidth,
height: maxHeight,
success: (res) => resolve(res.tempFilePath || res.apFilePath || res.target ||
res.path),
fail: (err) => reject(err)
})
})
return compressed
// #endif
},
},
onLoad(option) {
this.form.inspectionPoint = option.inspectionPoint || ''
this.form.inspectionRequirements = option.inspectionRequirements || ''
this.form.inspectionPointId = option.inspectionPointId || ''
},
mounted() {
this.checkMobileBrowser()
}
data() {
return {
form: {
inspectionType: 0,
inspectorId: this.$store.state.user.nickName,
inspectionPoint: "",
inspectionRequirements: "",
inspectionImg: "",
ImgUrl: [], // 后端返回的文件名/URL
remark: ""
},
img: [], // uni-file-picker 预览
sourceType: ["camera"],
msgType: "",
messageText: "",
isUploading: false,
isMobileBrowser: false
}
},
methods: {
async submit() {
if (this.isUploading) {
this.showMessage("warning", "图片正在上传中，请稍等")
return
}
if (!Array.isArray(this.form.ImgUrl) || this.form.ImgUrl.length === 0) {
this.showMessage("error", "请选择要上传的图片")
return
}
this.form.inspectionImg = this.joinList()
try {
const res = await addRecord(this.form)
if (res.code === 200) {
this.showMessage("success", "打卡成功")
} else {
this.showMessage("error", res.msg || "打卡失败")
}
} catch (err) {
this.showMessage("error", `提交失败: ${err.message}`)
}
},
// 删除预览 & 同步删除结果
deleteImg(e) {
const url = e?.tempFile?.url || e?.tempFile?.path
const idx = this.img.findIndex((x) => x.url === url)
if (idx !== -1) {
// 释放预览 URL 内存
try {
const toRevoke = this.img[idx]?.url
toRevoke && toRevoke.startsWith("blob:") && URL.revokeObjectURL(toRevoke)
} catch {}
this.img.splice(idx, 1)
this.form.ImgUrl.splice(idx, 1)
}
},
// 选择文件（支持多张）
async upload(e) {
if (!e?.tempFiles?.length) return
if (this.isUploading) {
this.showMessage("warning", "图片正在上传中，请稍等")
return
}
this.isUploading = true
try {
for (const tf of e.tempFiles) {
await this.handleImageUpload(tf)
}
} catch (err) {
console.error(err)
this.showMessage("error", `图片上传失败：${err.message || err}`)
} finally {
this.isUploading = false
}
},
// 单张：加水印 -> 压缩(H5) -> 预览 -> 上传
async handleImageUpload(tempFile) {
// H5：uni-file-picker 的 e.tempFiles[i].file 就是 File
const rawFile =
tempFile?.file instanceof File
? tempFile.file
: tempFile instanceof File
? tempFile
: null
if (!rawFile) {
throw new Error("未获取到有效的 File 对象（仅支持 H5）")
}
const watermarkText = `${this.form.inspectionPoint || "未命名地点"} \n${this.getCurrentDate()}`
// 水印（返回 Blob 或 File）
let watermarked = await addWatermarkToImage(rawFile, watermarkText)
if (!(watermarked instanceof File)) {
// 统一转回 File
watermarked = this.blobToFile(
watermarked,
rawFile.name || `image_${Date.now()}.jpg`
)
}
// 压缩（仅 H5）
const finalFile = await this.compressImageForMobile(watermarked, {
quality: 0.6,
maxWidth: 1200,
maxHeight: 1200,
mime: "image/jpeg"
})
// 预览（本地 blob URL）
const previewUrl = URL.createObjectURL(finalFile)
this.img.push({
url: previewUrl,
name: finalFile.name || `image_${Date.now()}.jpg`,
extname: "jpg"
})
// 上传（H5 用 file 字段）
const uploadedName = await this.uploadFileWithUni(finalFile)
this.form.ImgUrl.push(uploadedName)
// 可选：延时释放预览 URL，避免立即失效
setTimeout(() => {
try {
URL.revokeObjectURL(previewUrl)
} catch {}
}, 30000)
},
// —— 仅 H5：File 压缩（canvas 尺寸+质量）——
async compressImageForMobile(file, opts = {}) {
const { quality = 0.6, maxWidth = 1200, maxHeight = 1200, mime = "image/jpeg" } = opts
if (!(file instanceof File)) return file
const dataURL = await new Promise((resolve, reject) => {
const reader = new FileReader()
reader.onload = () => resolve(reader.result)
reader.onerror = () => reject(new Error("文件读取失败"))
reader.readAsDataURL(file)
})
const img = await new Promise((resolve, reject) => {
const image = new Image()
image.onload = () => resolve(image)
image.onerror = () => reject(new Error("图片加载失败"))
image.src = dataURL
})
const { w, h } = this.calcTargetSize(img.width, img.height, maxWidth, maxHeight)
const canvas = document.createElement("canvas")
canvas.width = w
canvas.height = h
const ctx = canvas.getContext("2d")
ctx.imageSmoothingQuality = "high"
ctx.drawImage(img, 0, 0, w, h)
const blob = await this.canvasToBlob(canvas, mime, quality)
if (!blob) return file
if (blob.size >= file.size) return file // 压缩后更大就不压了
return this.blobToFile(blob, file.name)
},
// 计算目标尺寸
calcTargetSize(imgW, imgH, maxW, maxH) {
let w = imgW,
h = imgH
if (w > maxW || h > maxH) {
const ratio = Math.min(maxW / w, maxH / h)
w = Math.round(w * ratio)
h = Math.round(h * ratio)
}
return { w, h }
},
// toBlob 兼容
canvasToBlob(canvas, type, quality) {
return new Promise((resolve) => {
if (canvas.toBlob) {
canvas.toBlob((blob) => resolve(blob), type, quality)
} else {
const dataURL = canvas.toDataURL(type, quality)
const arr = dataURL.split(",")
const mime = arr[0].match(/:(.*?);/)[1]
const bstr = atob(arr[1])
let n = bstr.length
const u8arr = new Uint8Array(n)
while (n--) u8arr[n] = bstr.charCodeAt(n)
resolve(new Blob([u8arr], { type: mime }))
}
})
},
// Blob -> File
blobToFile(blob, filename) {
return new File([blob], filename || `img_${Date.now()}.jpg`, {
type: blob.type || "image/jpeg"
})
},
// H5: 用 uni.uploadFile 直接传二进制 File
uploadFileWithUni(file) {
return new Promise((resolve, reject) => {
uni.uploadFile({
url: UPLOAD_URL,
name: "file",
file, // H5 传 File；不要传 filePath
success: (res) => {
try {
const data = typeof res.data === "string" ? JSON.parse(res.data) : res.data
if (data.code === 200) {
resolve(data.fileName || data.url)
} else {
reject(new Error(data.msg || "上传失败"))
}
} catch (e) {
reject(new Error("上传响应解析失败"))
}
},
fail: (err) => reject(err)
})
})
},
cancel() {
uni.reLaunch({ url: "/pages/work/index" })
},
joinList() {
return this.form.ImgUrl.join(",")
},
getCurrentDate() {
const now = new Date()
const y = now.getFullYear()
const m = String(now.getMonth() + 1).padStart(2, "0")
const d = String(now.getDate()).padStart(2, "0")
const hh = String(now.getHours()).padStart(2, "0")
const mm = String(now.getMinutes()).padStart(2, "0")
const ss = String(now.getSeconds()).padStart(2, "0")
return `${y}-${m}-${d} ${hh}:${mm}:${ss}`
},
dialogConfirm() {
if (this.msgType === "success") {
uni.reLaunch({ url: "/pages/work/index" })
}
},
showMessage(type, text) {
this.msgType = type
this.messageText = text
this.$refs.alertDialog.open()
},
checkMobileBrowser() {
const ua = navigator.userAgent.toLowerCase()
const isMobile = /iphone|ipod|android|windows phone|mobile|blackberry/.test(ua)
this.isMobileBrowser = isMobile || window.__uniAppWebview
}
},
onLoad(option) {
this.form.inspectionPoint = option.inspectionPoint || ""
this.form.inspectionRequirements = option.inspectionRequirements || ""
this.form.inspectionPointId = option.inspectionPointId || ""
},
mounted() {
if (!BASE_URL) {
console.warn("[上传] baseUrl 未配置，当前上传地址可能异常：", UPLOAD_URL)
}
this.checkMobileBrowser()
}
}
</script>