<template> <div> <vue-upload-component :http="http" :multiple="true" :action="uploadUrl" :headers="headers" :accept="'image/*'" :extensions="allowedExtensions" :maxSize="maxFileSize" @input-filter="handleInputFilter" @before-upload="handleBeforeUpload" @uploading="handleUploading" @upload-success="handleUploadSuccess" @upload-error="handleUploadError" > <template v-slot:default> <div class="upload-area"> <div v-if="!isUploading"> <i class="iconfont icon-add"></i> <span class="text">点击上传</span> </div> <div v-else> <i class="iconfont icon-loading"></i> <span class="text">上传中...</span> </div> </div> </template> </vue-upload-component> <div class="preview-area"> <div v-for="(file, index) in uploadedFiles" :key="file.id"> <img :src="file.url" class="preview-image" /> <div class="preview-info"> <div class="preview-name">{{ file.name }}</div> <div class="preview-size">{{ fileSize(file.size) }}</div> <div class="preview-delete" @click="deleteFile(index)">删除</div> </div> </div> </div> </div> </template> <script> import VueUploadComponent from "vue-upload-component"; import request from '@/utils/request'; export default { components: { VueUploadComponent}, data() { return { http: request, uploadUrl: "/api/upload/plupload_task", headers: { 'Content-Type': 'multipart/form-data' }, // 请求头 isUploading: false, allowedExtensions: ["jpg", "jpeg", "png", "gif"], maxFileSize: 10 * 1024 * 1024, uploadedFiles: [], }; }, computed: { fileSize() { return function (size) { if (size < 1024) { return size + "B"; } else if (size < 1024 * 1024) { return (size / 1024).toFixed(2) + "KB"; } else { return (size / 1024 / 1024).toFixed(2) + "MB"; } }; }, }, methods: { handleInputFilter(uploadData) { if (uploadData.file.type.indexOf("image/") !== 0) { return Promise.reject("只能上传图片文件"); } return Promise.resolve(uploadData); }, handleBeforeUpload(uploadData) { this.isUploading = true; return uploadData; }, handleUploading(uploadData) { console.log("uploading", uploadData.progress); }, handleUploadSuccess(uploadData) { console.log("success", uploadData.url); const file = { id: uploadData.response.id, name: uploadData.file.name, size: uploadData.file.size, url: uploadData.response.url, }; this.uploadedFiles.push(file); this.isUploading = false; }, handleUploadError(uploadData) { console.error("error", uploadData.error); this.isUploading = false; }, deleteFile(index) { this.uploadedFiles.splice(index, 1); }, }, }; </script> 这段代码,为什么在选择文件后没反应了
时间: 2023-07-19 11:49:21 浏览: 49
根据代码,可能有以下几个原因导致选择文件后没有反应:
1. 检查浏览器是否支持 File API,因为该组件是基于 File API 开发的,如果浏览器不支持 File API,那么选择文件后就不会有反应。
2. 检查上传路径是否正确,因为上传路径是通过 `uploadUrl` 属性设置的,如果设置的路径不正确,那么选择文件后就无法上传。
3. 检查上传文件的大小和格式是否符合要求,因为在 `handleInputFilter` 方法中限制了上传文件的格式和大小,如果选择的文件不符合要求,那么就不会上传。
4. 检查服务器是否正常工作,因为上传文件需要与服务器进行交互,如果服务器出现问题,那么就无法上传文件。
相关问题
<vue-upload-component :http="http" :multiple="true" :action="uploadUrl" :headers="headers" :accept="'image/*'" :extensions="allowedExtensions" :maxSize="maxFileSize" @input-filter="handleInputFilter" @before-upload="handleBeforeUpload" @uploading="handleUploading" @upload-success="handleUploadSuccess" @upload-error="handleUploadError" > 这段代码有问题吗?
从代码上看,没有明显的问题。这段代码是基于 `vue-upload-component` 组件实现的文件上传功能,其中属性和事件的设置都符合该组件的要求。
不过,要确保以下几点:
1. `http` 对象是否正确配置了请求拦截器和响应拦截器,以确保上传请求能够正常发起。
2. `uploadUrl` 属性是否正确设置了上传文件的路径,以确保上传请求能够发往正确的地址。
3. `headers` 属性是否正确设置了请求头信息,以确保上传请求能够携带正确的请求头信息。
4. `allowedExtensions` 和 `maxFileSize` 属性是否正确设置了上传文件的格式和大小限制,以确保上传的文件符合要求。
如果以上几点都已经确认无误,那么这段代码就没有问题。
vue-upload-component 如何使用自己封状的axios提交
要使用自己封装的axios提交,你需要在Vue组件中引入axios,并将axios传递给vue-upload-component的upload方法的第二个参数,示例代码如下:
```
<template>
<div>
<vue-upload-component
ref="upload"
:action="uploadUrl"
:headers="uploadHeaders"
:data="uploadData"
:multiple="false"
:accept="'image/*'"
@input-filter="inputFilter"
@start="handleStart"
@progress="handleProgress"
@success="handleSuccess"
@error="handleError"
@abort="handleAbort"
></vue-upload-component>
</div>
</template>
<script>
import axios from 'axios'
import VueUploadComponent from 'vue-upload-component'
export default {
components: {
VueUploadComponent
},
data() {
return {
uploadUrl: 'your-upload-url',
uploadHeaders: {
Authorization: 'Bearer ' + localStorage.getItem('token')
},
uploadData: {}
}
},
methods: {
inputFilter(newFile, oldFile, prevent) {
// your input filter logic
},
handleStart() {
// handle start event
},
handleProgress(event, file, progress) {
// handle progress event
},
handleSuccess(response, file) {
// handle success event
},
handleError(response, file) {
// handle error event
},
handleAbort(file) {
// handle abort event
},
upload(file) {
this.$refs.upload.upload(file, {
http: axios, // pass your axios instance here
headers: this.uploadHeaders,
data: this.uploadData
})
}
}
}
</script>
```
在upload方法中,我们通过this.$refs.upload.upload(file, options)调用vue-upload-component的upload方法,并将自己封装的axios实例作为options对象的http属性传递给vue-upload-component。这样vue-upload-component就会使用我们自己封装的axios实例进行文件上传了。