Vue 기술 개발에서 이미지 업로드 및 자르기를 구현하는 방법

npm install vue-upload-component

import vueUploadComponent from 'vue-upload-component'

Vue.component('file-upload', vueUploadComponent)

<template>
  <div>
    <FileUpload
      v-model="image"
      name="image"
      accept="image/*"
      @input-filter="inputFilter"
    >
      <button>选择图片</button>
    </FileUpload>
    <button @click="uploadImage" :disabled="!image">上传图片</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      image: null
    }
  },
  methods: {
    uploadImage() {
      // 执行上传图片的操作
    },
    inputFilter(newFile, oldFile, prevent) {
      if (newFile && !oldFile) {
        // 检查文件类型和大小等限制
        if (newFile.type !== 'image/jpeg') {
          alert('只允许上传JPEG格式的图片')
          return prevent()
        }
        if (newFile.size > 1024 * 1024) {
          alert('图片大小不能超过1MB')
          return prevent()
        }
      }
    }
  }
}
</script>

npm install vue-cropper

import vueCropper from 'vue-cropper'

Vue.component('vue-cropper', vueCropper)

<template>
  <div>
    <vue-cropper
      ref="cropper"
      v-model="croppedImage"
      :width="300"
      :height="300"
      :autoCrop="true"
      :responsive="true"
      src="path/to/image.jpg"
    ></vue-cropper>
    <button @click="cropImage">裁剪图片</button>
  </div>
</template>

<script>
export default {
  data() {
    return {
      croppedImage: null
    }
  },
  methods: {
    cropImage() {
      const cropper = this.$refs.cropper
      if (cropper) {
        const result = cropper.getCroppedCanvas()
        this.croppedImage = result.toDataURL('image/jpeg')
      }
    }
  }
}
</script>