// 动态创建水印元素的封装函数 import { storeToRefs } from 'pinia' import { dvMainStoreWithOut } from '@/data-visualization/store/modules/data-visualization/dvMain' import { ref } from 'vue' import { ipInfoApi } from '@/api/data-visualization/user' const dvMainStore = dvMainStoreWithOut() const { dvInfo } = storeToRefs(dvMainStore) const userInfo = ref(null) export function watermark(settings, domId) { const watermarkDom = document.getElementById(domId) // 默认设置 const defaultSettings = { watermark_txt: '', watermark_x: 20, // 水印起始位置x轴坐标 watermark_y: 20, // 水印起始位置Y轴坐标 watermark_rows: 60, // 水印行数 watermark_cols: 60, // 水印列数 watermark_x_space: 100, // 水印x轴间隔 watermark_y_space: 50, // 水印y轴间隔 watermark_color: '#aaa', // 水印字体颜色 watermark_alpha: 0.4, // 水印透明度 watermark_fontsize: '15px', // 水印字体大小 watermark_font: '微软雅黑', // 水印字体 watermark_width: 210, // 水印宽度 watermark_height: 80, // 水印长度 watermark_angle: 20 // 水印倾斜度数 } // 根据函数的入参调整设置 if (settings && typeof settings === 'object') { const src = settings || {} for (const key in src) { if (src[key] && defaultSettings[key] && src[key] === defaultSettings[key]) { continue } else if (src[key]) defaultSettings[key] = src[key] } } // 创建虚拟节点对象,在该节点对象中可以放元素,最后只需在页面中添加该节点对象即可。可提高性能 const oTemp = document.createElement('p') // 获取页面最大宽度 let page_width = watermarkDom.clientWidth const cutWidth = page_width * 0.015 page_width = page_width - cutWidth // 获取页面最大高度 let page_height = watermarkDom.scrollHeight - 56 page_height = page_height < 220 ? 220 : page_height // page_height = Math.max(page_height, window.innerHeight - 30) // 如果将水印列数设置为0,或水印列数设置过大,超过页面最大宽度,则重新计算水印列数和水印x轴间隔 if ( defaultSettings.watermark_cols === 0 || Math.floor( defaultSettings.watermark_x + defaultSettings.watermark_width * defaultSettings.watermark_cols + defaultSettings.watermark_x_space * (defaultSettings.watermark_cols - 1) ) > page_width ) { defaultSettings.watermark_cols = Math.floor( (page_width - defaultSettings.watermark_x + defaultSettings.watermark_x_space) / (defaultSettings.watermark_width + defaultSettings.watermark_x_space) ) defaultSettings.watermark_x_space = Math.floor( (page_width - defaultSettings.watermark_x - defaultSettings.watermark_width * defaultSettings.watermark_cols) / (defaultSettings.watermark_cols - 1) ) } // 如果将水印行数设置为0,或水印行数设置过大,超过页面最大长度,则重新计算水印行数和水印y轴间隔 if ( defaultSettings.watermark_rows === 0 || Math.floor( defaultSettings.watermark_y + defaultSettings.watermark_height * defaultSettings.watermark_rows + defaultSettings.watermark_y_space * (defaultSettings.watermark_rows - 1) ) > page_height ) { defaultSettings.watermark_rows = Math.floor( (defaultSettings.watermark_y_space + page_height - defaultSettings.watermark_y) / (defaultSettings.watermark_height + defaultSettings.watermark_y_space) ) defaultSettings.watermark_y_space = Math.floor( (page_height - defaultSettings.watermark_y - defaultSettings.watermark_height * defaultSettings.watermark_rows) / (defaultSettings.watermark_rows - 1) ) } defaultSettings.watermark_rows = defaultSettings.watermark_rows < 2 ? 2 : defaultSettings.watermark_rows defaultSettings.watermark_cols = defaultSettings.watermark_cols < 2 ? 2 : defaultSettings.watermark_cols let x let y for (let i = 0; i < defaultSettings.watermark_rows; i++) { y = defaultSettings.watermark_y + (defaultSettings.watermark_y_space + defaultSettings.watermark_height) * i for (let j = 0; j < defaultSettings.watermark_cols; j++) { x = defaultSettings.watermark_x + (defaultSettings.watermark_width + defaultSettings.watermark_x_space) * j const mask_div = document.createElement('div') mask_div.id = 'mask_div' + i + j mask_div.className = 'mask_div' mask_div.appendChild(document.createTextNode(defaultSettings.watermark_txt)) // 设置水印div倾斜显示 mask_div.style.webkitTransform = 'rotate(-' + defaultSettings.watermark_angle + 'deg)' mask_div.style.MozTransform = 'rotate(-' + defaultSettings.watermark_angle + 'deg)' mask_div.style.msTransform = 'rotate(-' + defaultSettings.watermark_angle + 'deg)' mask_div.style.OTransform = 'rotate(-' + defaultSettings.watermark_angle + 'deg)' mask_div.style.transform = 'rotate(-' + defaultSettings.watermark_angle + 'deg)' mask_div.style.visibility = '' mask_div.style.position = 'absolute' mask_div.style.left = x + 'px' mask_div.style.top = y + 'px' mask_div.style.overflow = 'hidden' mask_div.style.zIndex = '10' // 让水印不遮挡页面的点击事件 mask_div.style.pointerEvents = 'none' mask_div.style.opacity = defaultSettings.watermark_alpha mask_div.style.fontSize = defaultSettings.watermark_fontsize mask_div.style.fontFamily = defaultSettings.watermark_font mask_div.style.color = defaultSettings.watermark_color mask_div.style.textAlign = 'center' mask_div.style.width = defaultSettings.watermark_width + 'px' mask_div.style.height = defaultSettings.watermark_height + 'px' mask_div.style.display = 'block' oTemp.appendChild(mask_div) } } oTemp.setAttribute('id', domId + '-de-watermark-server') watermarkDom.appendChild(oTemp) } export function getNow() { const d = new Date() const year = d.getFullYear() const month = change(d.getMonth() + 1) const day = change(d.getDate()) const hour = change(d.getHours()) const minute = change(d.getMinutes()) function change(t) { if (t < 10) { return '0' + t } else { return t } } const time = year + '-' + month + '-' + day + ' ' + hour + ':' + minute return time } export function activeWatermarkCheckUser(domId, canvasId, scale = 1) { if (dvInfo.value.watermarkInfo) { if (userInfo.value && userInfo.value.model !== 'lose') { activeWatermark( dvInfo.value.watermarkInfo.settingContent, userInfo.value, domId, canvasId, dvInfo.value.selfWatermarkStatus, scale ) } else { ipInfoApi().then(res => { userInfo.value = res.data if (userInfo.value && userInfo.value.model !== 'lose') { activeWatermark( dvInfo.value.watermarkInfo.settingContent, userInfo.value, domId, canvasId, dvInfo.value.selfWatermarkStatus, scale ) } }) } } } export function removeActiveWatermark(domId) { const historyWatermarkDom = document.getElementById(domId + '-de-watermark-server') if (historyWatermarkDom) { historyWatermarkDom.remove() } } export function activeWatermark( watermarkForm, userLoginInfo, domId, canvasId, selfWatermarkStatus, scale = 1 ) { // 清理历史水印 removeActiveWatermark(domId) if ( !( canvasId === 'canvas-main' && ((watermarkForm.enable && !watermarkForm.enablePanelCustom) || (watermarkForm.enable && selfWatermarkStatus)) ) ) { return } let watermark_txt let watermark_width = 120 if (watermarkForm.type === 'custom') { watermark_txt = watermarkForm.content watermark_txt = watermark_txt.replaceAll('${ip}', userLoginInfo.ip) watermark_txt = watermark_txt.replaceAll('${username}', userLoginInfo.account) watermark_txt = watermark_txt.replaceAll('${nickName}', userLoginInfo.name) watermark_txt = watermark_txt.replaceAll('${time}', getNow()) watermark_width = watermark_txt.length * watermarkForm.watermark_fontsize * 0.75 watermark_width = watermark_width > 350 ? 350 : watermark_width } else if (watermarkForm.type === 'nickName') { watermark_txt = userLoginInfo.name } else if (watermarkForm.type === 'ip') { watermark_txt = userLoginInfo.ip watermark_width = 150 } else if (watermarkForm.type === 'time') { watermark_txt = getNow() watermark_width = 200 } else { watermark_txt = userLoginInfo.account } const settings = { watermark_txt: watermark_txt, watermark_width: watermark_width * scale, watermark_color: watermarkForm.watermark_color, watermark_x_space: watermarkForm.watermark_x_space * scale, watermark_y_space: watermarkForm.watermark_y_space * scale, watermark_fontsize: watermarkForm.watermark_fontsize * scale + 'px' } watermark(settings, domId) } export default { watermark, getNow, activeWatermark }