docs/vue2.html

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>test vue-cropper@vue2</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    .cut {
      width: 500px;
      height: 500px;
      margin: 30px auto;
    }

    .c-item {
      max-width: 800px;
      margin: 10px auto;
      margin-top: 20px;
    }

    .content {
      margin: auto;
      max-width: 1200px;
      margin-bottom: 100px;
    }

    .test-button {
      display: flex;
      flex-wrap: wrap;
      align-content: center;
      justify-content: center;
    }

    .btn {
      display: inline-block;
      line-height: 1;
      white-space: nowrap;
      cursor: pointer;
      background: #fff;
      border: 1px solid #c0ccda;
      color: #1f2d3d;
      text-align: center;
      box-sizing: border-box;
      outline: none;
      margin: 20px 10px 0px 0px;
      padding: 9px 15px;
      font-size: 14px;
      border-radius: 4px;
      color: #fff;
      background-color: #50bfff;
      border-color: #50bfff;
      transition: all .2s ease;
      text-decoration: none;
      user-select: none;
    }

    .des {
      line-height: 30px;
    }

    code.language-html {
      padding: 10px 20px;
      margin: 10px 0px;
      display: block;
      background-color: #333;
      color: #fff;
      overflow-x: auto;
      font-family: Consolas, Monaco, Droid, Sans, Mono, Source, Code, Pro, Menlo, Lucida, Sans, Type, Writer, Ubuntu, Mono;
      border-radius: 5px;
      white-space: pre;
    }

    .show-info {
      margin-bottom: 50px;
    }

    .show-info h2 {
      line-height: 50px;
    }

    /*.title, .title:hover, .title-focus, .title:visited {
        color: black;
      }*/

    .title {
      display: block;
      text-decoration: none;
      text-align: center;
      line-height: 1.5;
      margin: 20px 0px;
      background-image: -webkit-linear-gradient(left, #3498db, #f47920 10%, #d71345 20%, #f7acbc 30%, #ffd400 40%, #3498db 50%, #f47920 60%, #d71345 70%, #f7acbc 80%, #ffd400 90%, #3498db);
      color: transparent;
      -webkit-background-clip: text;
      background-size: 200% 100%;
      animation: slide 5s infinite linear;
      font-size: 40px;
    }

    .test {
      height: 500px;
    }

    .model {
      position: fixed;
      z-index: 10;
      width: 100vw;
      height: 100vh;
      overflow: auto;
      top: 0;
      left: 0;
      background: rgba(0, 0, 0, 0.8);
    }

    .model-show {
      display: flex;
      justify-content: center;
      align-items: center;
      width: 100vw;
      height: 100vh;
    }

    .model img {
      display: block;
      margin: auto;
      max-width: 80%;
      user-select: none;
      background-position: 0px 0px, 10px 10px;
      background-size: 20px 20px;
      background-image: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%, #eee 100%), linear-gradient(45deg, #eee 25%, white 25%, white 75%, #eee 75%, #eee 100%);
    }

    .c-item {
      display: block;
      user-select: none;
    }

    @keyframes slide {
      0% {
        background-position: 0 0;
      }

      100% {
        background-position: -100% 0;
      }
    }
  </style>
</head>

<body>
  <div id="app">
    <div class="model" v-show="model" @click="model = false">
      <div class="model-show">
        <img :src="modelSrc" alt="">
      </div>
    </div>
    <p>例子</p>
    <div class="cut">
      <vue-cropper ref="cropper" v-bind="option"></vue-cropper>
    </div>
    <div class="test-button">
      <button @click="changeImg" class="btn">changeImg</button>
      <label class="btn" for="uploads">upload</label>
      <input type="file" id="uploads" style="position:absolute; clip:rect(0 0 0 0);"
        accept="image/png, image/jpeg, image/gif, image/jpg" @change="uploadImg($event, 1)">
      <button @click="startCrop" v-if="!crap" class="btn">start</button>
      <button @click="stopCrop" v-else class="btn">stop</button>
      <button @click="clearCrop" class="btn">clear</button>
      <button @click="refreshCrop" class="btn">refresh</button>
      <button @click="changeScale(1)" class="btn">+</button>
      <button @click="changeScale(-1)" class="btn">-</button>
      <button @click="rotateLeft" class="btn">rotateLeft</button>
      <button @click="rotateRight" class="btn">rotateRight</button>
      <button @click="finish('base64')" class="btn">preview(base64)</button>
      <button @click="finish('blob')" class="btn">preview(blob)</button>
      <a @click="down('base64')" class="btn">download(base64)</a>
      <a @click="down('blob')" class="btn">download(blob)</a>
      <div style="display:block; width: 100%;">
        <label class="c-item">
          <span>超出裁剪框的颜色</span>
          <input type="color" v-model="option.fillColor" />
          <button @click="option.fillColor = 'transparent'" class="btn">清空颜色</button>
        </label>
        <label class="c-item">
          <span>图片默认渲染方式</span>
          <select v-model="option.mode">
            <option value="contain">contain</option>
            <option value="cover">cover</option>
            <option value="400px auto">400px auto</option>
            <option value="auto 400px">auto 400px</option>
            <option value="50%">50%</option>
            <option value="auto 50%">auto 50%</option>
          </select>
          <section>
            类似css background属性设置 设置不符合规范不生效， 参照文档说明
          </section>
        </label>
        <label class="c-item">
          <span>上传时图片最大大小(默认会压缩尺寸到这个大小)</span>
          <input type="nubmer" v-model="option.maxImgSize">
        </label>
        <label class="c-item">
          <span>上传图片是否显示原始宽高 (针对大图 可以铺满)</span>
          <input type="checkbox" v-model="option.original">
          <span>original: {{ option.original}}</span>
        </label>
        <label class="c-item">
          <span>是否根据dpr生成适合屏幕的高清图片</span>
          <input type="checkbox" v-model="option.high">
          <span>high: {{ option.high}}</span>
        </label>
        <label class="c-item">
          <span>是否输出原图比例的截图</span>
          <input type="checkbox" v-model="option.full">
          <span>full: {{ option.full}}</span>
        </label>
        <label class="c-item">
          <span>截图信息展示是否是真实的输出宽高</span>
          <input type="checkbox" v-model="option.infoTrue">
          <span>infoTrue: {{ option.infoTrue}}</span>
        </label>
        <label class="c-item">
          <span>能否拖动图片</span>
          <input type="checkbox" v-model="option.canMove">
          <span>canMove: {{ option.canMove}}</span>
        </label>
        <label class="c-item">
          <span>能否拖动截图框</span>
          <input type="checkbox" v-model="option.canMoveBox">
          <span>canMoveBox: {{ option.canMoveBox}}</span>
        </label>
        <label class="c-item">
          <span>截图框固定大小</span>
          <input type="checkbox" v-model="option.fixedBox">
          <span>fixedBox: {{ option.fixedBox}}</span>
        </label>
        <label class="c-item">
          <span>是否自动生成截图框</span>
          <input type="checkbox" v-model="option.autoCrop">
          <span>autoCrop: {{ option.autoCrop}}</span>
        </label>
        <label class="c-item">
          <span>是否开启截图框比例</span>
          <input type="checkbox" v-model="option.fixed">
          <span>fixed: {{ option.fixed}}</span>
        </label>
        <label class="c-item">
          <span>固定截图框比例</span>
          <span>宽度: </span><input type="number" v-model="option.fixedNumber[0]">
          <span>高度: </span><input type="number" v-model="option.fixedNumber[1]">
        </label>
        <label class="c-item">
          <span>截图框的最小限制</span>
          <span>宽度: </span><input type="number" v-model="option.limitMinSize[0]">
          <span>高度: </span><input type="number" v-model="option.limitMinSize[1]">
        </label>
        <label class="c-item">
          <span>自动生成截图框的宽高</span>
          <span>宽度: </span><input type="number" v-model="option.autoCropWidth">
          <span>高度: </span><input type="number" v-model="option.autoCropHeight">
        </label>
        <label class="c-item">
          <span>截图框是否限制在图片里(只有在自动生成截图框时才能生效)</span>
          <input type="checkbox" v-model="option.centerBox">
          <span>centerBox: {{ option.centerBox}}</span>
        </label>
        <label class="c-item">
          <span>是否按照截图框比例输出 默认为1 </span>
          <input type="number" v-model="option.enlarge">
        </label>
        <p>输出图片格式</p>
        <label class="c-item">
          <label>jpg <input type="radio" name="type" value="jpeg" v-model="option.outputType"></label>
          <label>png <input type="radio" name="type" value="png" v-model="option.outputType"></label>
          <label>webp <input type="radio" name="type" value="webp" v-model="option.outputType"></label>
        </label>
      </div>
    </div>
    <div class="show-preview"
      :style="{'width': previews.w + 'px', 'height': previews.h + 'px',  'overflow': 'hidden', 'margin': '5px'}">
      <div :style="previews.div">
        <img :src="previews.url" :style="previews.img">
      </div>
    </div>
  </div>

  <script src="https://cdn.jsdelivr.net/npm/vue@2.5.17/dist/vue.js"></script>
  <script src="../dist/index.js"></script>
  <script>
    Vue.use(window['vue-cropper'])
    var a = new Vue({
      el: '#app',
      data: {
        model: false,
        modelSrc: '',
        crap: false,
        previews: {},
        lists: [
          // {
          // 	img: 'https://fengyuanchen.github.io/cropper/images/picture.jpg'
          // },
          {
            img: "https://avatars2.githubusercontent.com/u/15681693?s=460&v=4"
          },
          {
            img: "https://p3-pc.douyinpic.com/aweme/1080x1080/aweme-avatar/tos-cn-avt-0015_2f07496a52314c3e024eaafaba73dd35.jpeg"
          },
          {
            img: "https://p3-pc.douyinpic.com/aweme/1080x1080/aweme-avatar/mosaic-legacy_2e7480001384708367aa1.jpeg"
          },
          {
            img: "https://p3-pc.douyinpic.com/aweme/1080x1080/aweme-avatar/tos-cn-i-0813_80f34c63344d44c292dacf4608c7b258.jpeg"
          },
          {
            img: "https://p3-pc.douyinpic.com/aweme/1080x1080/aweme-avatar/tos-cn-avt-0015_48b61ee1b6b34fe945246cd1ccc4243d.jpeg"
          },
        ],
        option: {
          img: "https://avatars2.githubusercontent.com/u/15681693?s=460&v=4",
          size: 1,
          full: false,
          outputType: "png",
          canMove: true,
          fixedBox: false,
          original: false,
          canMoveBox: true,
          autoCrop: true,
          // 只有自动截图开启 宽度高度才生效
          autoCropWidth: 200,
          autoCropHeight: 150,
          centerBox: false,
          high: false,
          cropData: {},
          enlarge: 1,
          mode: 'contain',
          maxImgSize: 3000,
          limitMinSize: [50, 50],
          fixed: false,
          fixedNumber: [2, 1],
          fillColor: '',
        },
        show: true
      },
      methods: {
        changeImg() {
          this.option.img = this.lists[~~(Math.random() * this.lists.length)].img
        },
        startCrop() {
          // start
          this.crap = true
          this.$refs.cropper.startCrop()
        },
        stopCrop() {
          //  stop
          this.crap = false
          this.$refs.cropper.stopCrop()
        },
        clearCrop() {
          // clear
          this.$refs.cropper.clearCrop()
        },
        refreshCrop() {
          // clear
          this.$refs.cropper.refresh()
        },
        changeScale(num) {
          num = num || 1
          this.$refs.cropper.changeScale(num)
        },
        rotateLeft() {
          this.$refs.cropper.rotateLeft()
        },
        rotateRight() {
          this.$refs.cropper.rotateRight()
        },
        finish(type) {
          // 输出
          // var test = window.open('about:blank')
          // test.document.body.innerHTML = '图片生成中..'
          if (type === 'blob') {
            this.$refs.cropper.getCropBlob((data) => {
              var img = window.URL.createObjectURL(data)
              this.model = true
              this.modelSrc = img
            })
          } else {
            this.$refs.cropper.getCropData((data) => {
              this.model = true
              this.modelSrc = data
            })
          }
        },
        // 实时预览函数
        realTime(data) {
          console.log(data)
          this.previews = data
        },

        finish2(type) {
          this.$refs.cropper2.getCropData((data) => {
            this.model = true
            this.modelSrc = data
          })
        },
        finish3(type) {
          this.$refs.cropper3.getCropData((data) => {
            this.model = true
            this.modelSrc = data
          })
        },
        down(type) {
          // event.preventDefault()
          var aLink = document.createElement('a')
          aLink.download = 'demo'
          // 输出
          if (type === 'blob') {
            this.$refs.cropper.getCropBlob((data) => {
              this.downImg = window.URL.createObjectURL(data)
              aLink.href = window.URL.createObjectURL(data)
              aLink.click()
            })
          } else {
            this.$refs.cropper.getCropData((data) => {
              this.downImg = data
              aLink.href = data
              aLink.click()
            })
          }
        },

        uploadImg(e, num) {
          //上传图片
          // this.option.img
          var file = e.target.files[0]
          if (!/\.(gif|jpg|jpeg|png|bmp|GIF|JPG|PNG)$/.test(e.target.value)) {
            alert('图片类型必须是.gif,jpeg,jpg,png,bmp中的一种')
            return false
          }
          var reader = new FileReader()
          reader.onload = (e) => {
            let data
            if (typeof e.target.result === 'object') {
              // 把Array Buffer转化为blob 如果是base64不需要
              data = window.URL.createObjectURL(new Blob([e.target.result]))
            } else {
              data = e.target.result
            }
            if (num === 1) {
              this.option.img = data
            } else if (num === 2) {
              this.example2.img = data
            }
          }
          // 转化为base64
          // reader.readAsDataURL(file)
          // 转化为blob
          reader.readAsArrayBuffer(file)
        },
        imgLoad(msg) {
          console.log(msg)
        }
      },
      mounted() {
        console.log(window['vue-cropper'])
      }
    })
  </script>
</body>

</html>