一款强大到没朋友的图片编辑插件，爱了爱了！

前言

最近用户提出了一个新的需求，老师可以批改学生的图片作业，需要对图片进行旋转、缩放、裁剪、涂鸦、标注、添加文本等。乍一听，又要掉不少头发。有没有功能强大的插件实现以上功能，让我有更多的时间去阻止女票双十一剁手呢？答案当然是有的。

效果展示

涂鸦

裁剪

标注

旋转

滤镜

是不是很强大！还有众多功能我就不一一展示了。那么还等什么，跟我一起用起来吧~

安装

npm i tui-image-editor
// or
yarn add tui-image-editor

使用

快速体验

复制以下代码，将插件引入到自己的项目中。

可以看到活生生的图片编辑工具就出现了，是不是很简单：

国际化

由于是老外开发的，默认的文字描述都是英文，这里我们先汉化一下：

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
  }
);

效果如下：

自定义样式

默认风格为暗黑系，如果想改成白底，或者想改变按钮的大小、颜色等样式，可以使用自定义样式。

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：

按钮优化

通过自定义样式，我们看到右上角的 Load 和 Download 按钮已经被隐藏了，接下来我们再隐藏掉其他用不上的按钮（根据业务需要），并添加一个保存图片的按钮。



// ...
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
  },
}

效果如下：