mirror of https://gitee.com/xiaonuobase/snowy
【修复】修复水印, 获取watermark元素失败, 获取token, z-index:9999置顶
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1297fede62
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466c6c67cb
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@ -8,7 +8,7 @@
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* 5.不可二次分发开源参与同类竞品,如有想法可联系团队xiaonuobase@qq.com商议合作。
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* 6.若您的项目无法满足以上几点,需要更多功能代码,获取Snowy商业授权许可,请在官网购买授权,地址为 https://www.xiaonuo.vip
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*/
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import store from '@/store'
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import tool from '@/utils/tool'
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export const watermark = {
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set: function (text1, text2) {
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const canvas = document.createElement('canvas')
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@ -34,7 +34,7 @@ export const watermark = {
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left:0;
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width:100vw;
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height:100vh;
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z-index:99;
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z-index:99999;
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pointer-events:none;
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background-repeat:repeat;
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mix-blend-mode: multiply;
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@ -46,8 +46,13 @@ export const watermark = {
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//此方法是防止用户通过控制台修改样式去除水印效果
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/* MutationObserver 是一个可以监听DOM结构变化的接口。 */
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const observer = new MutationObserver(() => {
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const wmInstance = document.querySelector('.watermark')
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if ((wmInstance && wmInstance.getAttribute('style') !== styleStr) || !wmInstance) {
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// 此处根据用户登录状态,判断是否终止监听,避免用户退出后登录页面仍然有水印
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if (!tool.data.get('TOKEN')){
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this.close()
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observer.disconnect()
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}
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const wmInstance = document.body.querySelector('.watermark')
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if (!wmInstance || (wmInstance.getAttribute('style') !== styleStr)) {
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//如果标签在,只修改了属性,重新赋值属性
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if (wmInstance) {
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// 避免一直触发
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@ -56,7 +61,7 @@ export const watermark = {
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wmInstance.setAttribute('style', styleStr)
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} else {
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/* 此处根据用户登录状态,判断是否终止监听,避免用户退出后登录页面仍然有水印 */
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if (store.getters.token) {
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if (tool.data.get('TOKEN')) {
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//标签被移除,重新添加标签
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// console.log('水印标签被移除了');
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document.body.appendChild(watermark)
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@ -74,8 +79,10 @@ export const watermark = {
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},
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close: function () {
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/* 关闭页面的水印,即要移除水印标签 */
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let watermark = document.querySelector('.watermark')
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document.body.removeChild(watermark)
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let watermark = document.body.querySelector('.watermark')
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if (watermark){
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document.body.removeChild(watermark)
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}
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}
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}
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// 使用方法
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