分享一個強大的 Vue 圖片編輯外掛(快來試試!)
這篇文章跟大家分享一款強大到沒朋友的Vue圖片編輯插件,可以對圖片進行旋轉、縮放、裁剪、塗鴉、標註、添加文字等,快來試試並收藏吧!
【相關推薦:《vue.js教學》】
最近用戶提出了一個新的需求,老師可以批改學生的圖片作業,需要對圖片進行旋轉、縮放、裁剪、塗鴉、標註、添加文字等。乍聽,又要掉不少頭髮。有沒有功能強大的外掛實現以上功能,讓我有更多的時間去阻止女票雙十一剁手呢?答案當然是有的。
效果展示
塗鴉
裁剪
##標註
旋轉
濾鏡
##是不是很強大!還有眾多功能我就不一一展示了。那還等什麼,跟我一起用起來吧~
安裝
npm i tui-image-editor // or yarn add tui-image-editor
使用
#快速體驗
<template>
<div>
<div id="tui-image-editor"></div>
</div>
</template>
<script>
import "tui-image-editor/dist/tui-image-editor.css";
import "tui-color-picker/dist/tui-color-picker.css";
import ImageEditor from "tui-image-editor";
export default {
data() {
return {
instance: null,
};
},
mounted() {
this.init();
},
methods: {
init() {
this.instance = new ImageEditor(
document.querySelector("#tui-image-editor"),
{
includeUI: {
loadImage: {
path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image",
name: "image",
},
initMenu: "draw", // 默认打开的菜单项
menuBarPosition: "bottom", // 菜单所在的位置
},
cssMaxWidth: 1000, // canvas 最大宽度
cssMaxHeight: 600, // canvas 最大高度
}
);
document.getElementsByClassName("tui-image-editor-main")[0].style.top = "45px"; // 图片距顶部工具栏的距离
},
},
};
</script>
<style scoped>
.drawing-container {
height: 900px;
}
</style>
登入後複製
可以看到活生生的圖片編輯工具就出現了,是不是很簡單:<template> <div> <div id="tui-image-editor"></div> </div> </template> <script> import "tui-image-editor/dist/tui-image-editor.css"; import "tui-color-picker/dist/tui-color-picker.css"; import ImageEditor from "tui-image-editor"; export default { data() { return { instance: null, }; }, mounted() { this.init(); }, methods: { init() { this.instance = new ImageEditor( document.querySelector("#tui-image-editor"), { includeUI: { loadImage: { path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image", name: "image", }, initMenu: "draw", // 默认打开的菜单项 menuBarPosition: "bottom", // 菜单所在的位置 }, cssMaxWidth: 1000, // canvas 最大宽度 cssMaxHeight: 600, // canvas 最大高度 } ); document.getElementsByClassName("tui-image-editor-main")[0].style.top = "45px"; // 图片距顶部工具栏的距离 }, }, }; </script> <style scoped> .drawing-container { height: 900px; } </style>
國際化
const locale_zh = {
ZoomIn: "放大",
ZoomOut: "缩小",
Hand: "手掌",
History: '历史',
Resize: '调整宽高',
Crop: "裁剪",
DeleteAll: "全部删除",
Delete: "删除",
Undo: "撤销",
Redo: "反撤销",
Reset: "重置",
Flip: "镜像",
Rotate: "旋转",
Draw: "画",
Shape: "形状标注",
Icon: "图标标注",
Text: "文字标注",
Mask: "遮罩",
Filter: "滤镜",
Bold: "加粗",
Italic: "斜体",
Underline: "下划线",
Left: "左对齐",
Center: "居中",
Right: "右对齐",
Color: "颜色",
"Text size": "字体大小",
Custom: "自定义",
Square: "正方形",
Apply: "应用",
Cancel: "取消",
"Flip X": "X 轴",
"Flip Y": "Y 轴",
Range: "区间",
Stroke: "描边",
Fill: "填充",
Circle: "圆",
Triangle: "三角",
Rectangle: "矩形",
Free: "曲线",
Straight: "直线",
Arrow: "箭头",
"Arrow-2": "箭头2",
"Arrow-3": "箭头3",
"Star-1": "星星1",
"Star-2": "星星2",
Polygon: "多边形",
Location: "定位",
Heart: "心形",
Bubble: "气泡",
"Custom icon": "自定义图标",
"Load Mask Image": "加载蒙层图片",
Grayscale: "灰度",
Blur: "模糊",
Sharpen: "锐化",
Emboss: "浮雕",
"Remove White": "除去白色",
Distance: "距离",
Brightness: "亮度",
Noise: "噪音",
"Color Filter": "彩色滤镜",
Sepia: "棕色",
Sepia2: "棕色2",
Invert: "负片",
Pixelate: "像素化",
Threshold: "阈值",
Tint: "色调",
Multiply: "正片叠底",
Blend: "混合色",
Width: "宽度",
Height: "高度",
"Lock Aspect Ratio": "锁定宽高比例",
};
this.instance = new ImageEditor(
document.querySelector("#tui-image-editor"),
{
includeUI: {
loadImage: {
path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image",
name: "image",
},
initMenu: "draw", // 默认打开的菜单项
menuBarPosition: "bottom", // 菜单所在的位置
locale: locale_zh, // 本地化语言为中文
},
cssMaxWidth: 1000, // canvas 最大宽度
cssMaxHeight: 600, // canvas 最大高度
}
);
登入後複製
效果如下:##自訂樣式const locale_zh = { ZoomIn: "放大", ZoomOut: "缩小", Hand: "手掌", History: '历史', Resize: '调整宽高', Crop: "裁剪", DeleteAll: "全部删除", Delete: "删除", Undo: "撤销", Redo: "反撤销", Reset: "重置", Flip: "镜像", Rotate: "旋转", Draw: "画", Shape: "形状标注", Icon: "图标标注", Text: "文字标注", Mask: "遮罩", Filter: "滤镜", Bold: "加粗", Italic: "斜体", Underline: "下划线", Left: "左对齐", Center: "居中", Right: "右对齐", Color: "颜色", "Text size": "字体大小", Custom: "自定义", Square: "正方形", Apply: "应用", Cancel: "取消", "Flip X": "X 轴", "Flip Y": "Y 轴", Range: "区间", Stroke: "描边", Fill: "填充", Circle: "圆", Triangle: "三角", Rectangle: "矩形", Free: "曲线", Straight: "直线", Arrow: "箭头", "Arrow-2": "箭头2", "Arrow-3": "箭头3", "Star-1": "星星1", "Star-2": "星星2", Polygon: "多边形", Location: "定位", Heart: "心形", Bubble: "气泡", "Custom icon": "自定义图标", "Load Mask Image": "加载蒙层图片", Grayscale: "灰度", Blur: "模糊", Sharpen: "锐化", Emboss: "浮雕", "Remove White": "除去白色", Distance: "距离", Brightness: "亮度", Noise: "噪音", "Color Filter": "彩色滤镜", Sepia: "棕色", Sepia2: "棕色2", Invert: "负片", Pixelate: "像素化", Threshold: "阈值", Tint: "色调", Multiply: "正片叠底", Blend: "混合色", Width: "宽度", Height: "高度", "Lock Aspect Ratio": "锁定宽高比例", }; this.instance = new ImageEditor( document.querySelector("#tui-image-editor"), { includeUI: { loadImage: { path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image", name: "image", }, initMenu: "draw", // 默认打开的菜单项 menuBarPosition: "bottom", // 菜单所在的位置 locale: locale_zh, // 本地化语言为中文 }, cssMaxWidth: 1000, // canvas 最大宽度 cssMaxHeight: 600, // canvas 最大高度 } );
預設風格為暗黑系,若想改成白底,或是想改變按鈕的大小、顏色等樣式,可以使用自訂樣式。
const customTheme = { "common.bi.image": "", // 左上角logo图片 "common.bisize.width": "0px", "common.bisize.height": "0px", "common.backgroundImage": "none", "common.backgroundColor": "#f3f4f6", "common.border": "1px solid #333", // header "header.backgroundImage": "none", "header.backgroundColor": "#f3f4f6", "header.border": "0px", // load button "loadButton.backgroundColor": "#fff", "loadButton.border": "1px solid #ddd", "loadButton.color": "#222", "loadButton.fontFamily": "NotoSans, sans-serif", "loadButton.fontSize": "12px", "loadButton.display": "none", // 隐藏 // download button "downloadButton.backgroundColor": "#fdba3b", "downloadButton.border": "1px solid #fdba3b", "downloadButton.color": "#fff", "downloadButton.fontFamily": "NotoSans, sans-serif", "downloadButton.fontSize": "12px", "downloadButton.display": "none", // 隐藏 // icons default "menu.normalIcon.color": "#8a8a8a", "menu.activeIcon.color": "#555555", "menu.disabledIcon.color": "#ccc", "menu.hoverIcon.color": "#e9e9e9", "submenu.normalIcon.color": "#8a8a8a", "submenu.activeIcon.color": "#e9e9e9", "menu.iconSize.width": "24px", "menu.iconSize.height": "24px", "submenu.iconSize.width": "32px", "submenu.iconSize.height": "32px", // submenu primary color "submenu.backgroundColor": "#1e1e1e", "submenu.partition.color": "#858585", // submenu labels "submenu.normalLabel.color": "#858585", "submenu.normalLabel.fontWeight": "lighter", "submenu.activeLabel.color": "#fff", "submenu.activeLabel.fontWeight": "lighter", // checkbox style "checkbox.border": "1px solid #ccc", "checkbox.backgroundColor": "#fff", // rango style "range.pointer.color": "#fff", "range.bar.color": "#666", "range.subbar.color": "#d1d1d1", "range.disabledPointer.color": "#414141", "range.disabledBar.color": "#282828", "range.disabledSubbar.color": "#414141", "range.value.color": "#fff", "range.value.fontWeight": "lighter", "range.value.fontSize": "11px", "range.value.border": "1px solid #353535", "range.value.backgroundColor": "#151515", "range.title.color": "#fff", "range.title.fontWeight": "lighter", // colorpicker style "colorpicker.button.border": "1px solid #1e1e1e", "colorpicker.title.color": "#fff", }; this.instance = new ImageEditor( document.querySelector("#tui-image-editor"), { includeUI: { loadImage: { path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image", name: "image", }, initMenu: "draw", // 默认打开的菜单项 menuBarPosition: "bottom", // 菜单所在的位置 locale: locale_zh, // 本地化语言为中文 theme: customTheme, // 自定义样式 }, cssMaxWidth: 1000, // canvas 最大宽度 cssMaxHeight: 600, // canvas 最大高度 } );
效果如下:
按鈕最佳化透過自訂樣式,我們看到右上角的Load 和Download 按鈕已經被隱藏了,接下來我們再隱藏掉其他用不到的按鈕(依照業務需求),並加入一個儲存圖片的按鈕。
<template> <div> <div id="tui-image-editor"></div> <el-button type="primary" size="small" @click="save">保存</el-button> </div> </template> // ... methods: { init() { this.instance = new ImageEditor( document.querySelector("#tui-image-editor"), { includeUI: { loadImage: { path: "https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image", name: "image", }, menu: ["resize", "crop", "rotate", "draw", "shape", "icon", "text", "filter"], // 底部菜单按钮列表 隐藏镜像flip和遮罩mask initMenu: "draw", // 默认打开的菜单项 menuBarPosition: "bottom", // 菜单所在的位置 locale: locale_zh, // 本地化语言为中文 theme: customTheme, // 自定义样式 }, cssMaxWidth: 1000, // canvas 最大宽度 cssMaxHeight: 600, // canvas 最大高度 } ); document.getElementsByClassName("tui-image-editor-main")[0].style.top ="45px"; // 调整图片显示位置 document.getElementsByClassName("tie-btn-reset tui-image-editor-item help") [0].style.display = "none"; // 隐藏顶部重置按钮 }, // 保存图片,并上传 save() { const base64String = this.instance.toDataURL(); // base64 文件 const data = window.atob(base64String.split(",")[1]); const ia = new Uint8Array(data.length); for (let i = 0; i < data.length; i++) { ia[i] = data.charCodeAt(i); } const blob = new Blob([ia], { type: "image/png" }); // blob 文件 const form = new FormData(); form.append("image", blob); // upload file }, } <style scoped> .drawing-container { height: 900px; position: relative; .save { position: absolute; right: 50px; top: 15px; } } </style>
效果如下:
可以看到頂部的重置按鈕,以及底部的鏡像和遮罩按鈕都已經不見了。右上角多了一個我們自己的儲存按鈕,點選按鈕,可以取得到 base64 檔案和 blob 檔案。 完整程式碼<template> <div> <div id="tui-image-editor"></div> <el-button type="primary" size="small" @click="save">保存</el-button> </div> </template> <script> import 'tui-image-editor/dist/tui-image-editor.css' import 'tui-color-picker/dist/tui-color-picker.css' import ImageEditor from 'tui-image-editor' const locale_zh = { ZoomIn: '放大', ZoomOut: '缩小', Hand: '手掌', History: '历史', Resize: '调整宽高', Crop: '裁剪', DeleteAll: '全部删除', Delete: '删除', Undo: '撤销', Redo: '反撤销', Reset: '重置', Flip: '镜像', Rotate: '旋转', Draw: '画', Shape: '形状标注', Icon: '图标标注', Text: '文字标注', Mask: '遮罩', Filter: '滤镜', Bold: '加粗', Italic: '斜体', Underline: '下划线', Left: '左对齐', Center: '居中', Right: '右对齐', Color: '颜色', 'Text size': '字体大小', Custom: '自定义', Square: '正方形', Apply: '应用', Cancel: '取消', 'Flip X': 'X 轴', 'Flip Y': 'Y 轴', Range: '区间', Stroke: '描边', Fill: '填充', Circle: '圆', Triangle: '三角', Rectangle: '矩形', Free: '曲线', Straight: '直线', Arrow: '箭头', 'Arrow-2': '箭头2', 'Arrow-3': '箭头3', 'Star-1': '星星1', 'Star-2': '星星2', Polygon: '多边形', Location: '定位', Heart: '心形', Bubble: '气泡', 'Custom icon': '自定义图标', 'Load Mask Image': '加载蒙层图片', Grayscale: '灰度', Blur: '模糊', Sharpen: '锐化', Emboss: '浮雕', 'Remove White': '除去白色', Distance: '距离', Brightness: '亮度', Noise: '噪音', 'Color Filter': '彩色滤镜', Sepia: '棕色', Sepia2: '棕色2', Invert: '负片', Pixelate: '像素化', Threshold: '阈值', Tint: '色调', Multiply: '正片叠底', Blend: '混合色', Width: '宽度', Height: '高度', 'Lock Aspect Ratio': '锁定宽高比例' } const customTheme = { "common.bi.image": "", // 左上角logo图片 "common.bisize.width": "0px", "common.bisize.height": "0px", "common.backgroundImage": "none", "common.backgroundColor": "#f3f4f6", "common.border": "1px solid #333", // header "header.backgroundImage": "none", "header.backgroundColor": "#f3f4f6", "header.border": "0px", // load button "loadButton.backgroundColor": "#fff", "loadButton.border": "1px solid #ddd", "loadButton.color": "#222", "loadButton.fontFamily": "NotoSans, sans-serif", "loadButton.fontSize": "12px", "loadButton.display": "none", // 隐藏 // download button "downloadButton.backgroundColor": "#fdba3b", "downloadButton.border": "1px solid #fdba3b", "downloadButton.color": "#fff", "downloadButton.fontFamily": "NotoSans, sans-serif", "downloadButton.fontSize": "12px", "downloadButton.display": "none", // 隐藏 // icons default "menu.normalIcon.color": "#8a8a8a", "menu.activeIcon.color": "#555555", "menu.disabledIcon.color": "#ccc", "menu.hoverIcon.color": "#e9e9e9", "submenu.normalIcon.color": "#8a8a8a", "submenu.activeIcon.color": "#e9e9e9", "menu.iconSize.width": "24px", "menu.iconSize.height": "24px", "submenu.iconSize.width": "32px", "submenu.iconSize.height": "32px", // submenu primary color "submenu.backgroundColor": "#1e1e1e", "submenu.partition.color": "#858585", // submenu labels "submenu.normalLabel.color": "#858585", "submenu.normalLabel.fontWeight": "lighter", "submenu.activeLabel.color": "#fff", "submenu.activeLabel.fontWeight": "lighter", // checkbox style "checkbox.border": "1px solid #ccc", "checkbox.backgroundColor": "#fff", // rango style "range.pointer.color": "#fff", "range.bar.color": "#666", "range.subbar.color": "#d1d1d1", "range.disabledPointer.color": "#414141", "range.disabledBar.color": "#282828", "range.disabledSubbar.color": "#414141", "range.value.color": "#fff", "range.value.fontWeight": "lighter", "range.value.fontSize": "11px", "range.value.border": "1px solid #353535", "range.value.backgroundColor": "#151515", "range.title.color": "#fff", "range.title.fontWeight": "lighter", // colorpicker style "colorpicker.button.border": "1px solid #1e1e1e", "colorpicker.title.color": "#fff", }; export default { data() { return { instance: null } }, mounted() { this.init() }, methods: { init() { this.instance = new ImageEditor(document.querySelector('#tui-image-editor'), { includeUI: { loadImage: { path: 'https://p1-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/c1d7a1feb60346449c1a64893888989a~tplv-k3u1fbpfcp-watermark.image', name: 'image' }, menu: ['resize', 'crop', 'rotate', 'draw', 'shape', 'icon', 'text', 'filter'], // 底部菜单按钮列表 隐藏镜像flip和遮罩mask initMenu: 'draw', // 默认打开的菜单项 menuBarPosition: 'bottom', // 菜单所在的位置 locale: locale_zh, // 本地化语言为中文 theme: customTheme // 自定义样式 }, cssMaxWidth: 1000, // canvas 最大宽度 cssMaxHeight: 600 // canvas 最大高度 }) document.getElementsByClassName('tui-image-editor-main')[0].style.top = '45px' // 调整图片显示位置 document.getElementsByClassName( 'tie-btn-reset tui-image-editor-item help' )[0].style.display = 'none' // 隐藏顶部重置按钮 }, // 保存图片,并上传 save() { const base64String = this.instance.toDataURL() // base64 文件 const data = window.atob(base64String.split(',')[1]) const ia = new Uint8Array(data.length) for (let i = 0; i < data.length; i++) { ia[i] = data.charCodeAt(i) } const blob = new Blob([ia], { type: 'image/png' }) // blob 文件 const form = new FormData() form.append('image', blob) // upload file } } } </script> <style scoped> .drawing-container { height: 900px; position: relative; .save { position: absolute; right: 50px; top: 15px; } } </style>
贈人玫瑰,手有餘香。如果覺得有用,就動動發財的小手,點個讚把~
更多API 及Demo 請參考:
github地址:https://github.com/ nhn/tui.image-editorAPI 及Examples 網址:http://nhn.github.io/tui.image-editor/latest
#本文轉載自:https://juejin.cn/post/7027943745530101773作者:前端阿飛
######更多程式相關知識,請造訪:###程式入門###! ! ###以上是分享一個強大的 Vue 圖片編輯外掛(快來試試!)的詳細內容。更多資訊請關注PHP中文網其他相關文章!

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可以通過以下步驟為 Vue 按鈕添加函數:將 HTML 模板中的按鈕綁定到一個方法。在 Vue 實例中定義該方法並編寫函數邏輯。

Vue.js 中的 watch 選項允許開發者監聽特定數據的變化。當數據發生變化時,watch 會觸發一個回調函數,用於執行更新視圖或其他任務。其配置選項包括 immediate,用於指定是否立即執行回調,以及 deep,用於指定是否遞歸監聽對像或數組的更改。

Vue 多頁面開發是一種使用 Vue.js 框架構建應用程序的方法,其中應用程序被劃分為獨立的頁面:代碼維護性:將應用程序拆分為多個頁面可以使代碼更易於管理和維護。模塊化:每個頁面都可以作為獨立的模塊,便於重用和替換。路由簡單:頁面之間的導航可以通過簡單的路由配置來管理。 SEO 優化:每個頁面都有自己的 URL,這有助於搜索引擎優化。

在 Vue.js 中引用 JS 文件的方法有三種:直接使用 <script> 標籤指定路徑;利用 mounted() 生命週期鉤子動態導入;通過 Vuex 狀態管理庫進行導入。

Vue.js 返回上一頁有四種方法:$router.go(-1)$router.back()使用 <router-link to="/"> 組件window.history.back(),方法選擇取決於場景。

Vue.js 遍歷數組和對像有三種常見方法:v-for 指令用於遍歷每個元素並渲染模板;v-bind 指令可與 v-for 一起使用,為每個元素動態設置屬性值;.map 方法可將數組元素轉換為新數組。

Vue 中 div 元素跳轉的方法有兩種:使用 Vue Router,添加 router-link 組件。添加 @click 事件監聽器,調用 this.$router.push() 方法跳轉。
