318 lines
7.4 KiB
Vue
318 lines
7.4 KiB
Vue
<template>
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<view class="usage-example">
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<view class="example-header">
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<text class="title">单图上传使用示例</text>
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<text class="desc">展示如何在页面中集成图片上传功能</text>
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</view>
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<!-- 方法一：跳转到上传页面 -->
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<view class="method-section">
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<text class="method-title">方法一：跳转到上传页面</text>
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<text class="method-desc">跳转到专门的上传页面，上传完成后返回</text>
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<button class="method-btn" @click="method1">跳转上传</button>
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<view v-if="method1Result" class="result-box">
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<text class="result-label">上传结果：</text>
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<image :src="method1Result" mode="widthFix" class="result-image"></image>
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<text class="result-url">{{ method1Result }}</text>
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</view>
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</view>
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<!-- 方法二：内嵌上传组件 -->
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<view class="method-section">
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<text class="method-title">方法二：内嵌上传组件</text>
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<text class="method-desc">在当前页面直接使用上传组件</text>
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<view class="inline-upload">
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<view class="upload-area" @click="chooseImage">
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<view v-if="!selectedImage" class="upload-placeholder">
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<text>点击选择图片</text>
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</view>
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<image v-else :src="selectedImage" mode="aspectFit" class="preview-image"></image>
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</view>
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<button
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class="upload-btn"
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@click="uploadSelectedImage"
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:disabled="!selectedImage || uploading"
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>
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{{ uploading ? '上传中...' : '上传' }}
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</button>
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</view>
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<view v-if="method2Result" class="result-box">
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<text class="result-label">上传结果：</text>
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<image :src="method2Result" mode="widthFix" class="result-image"></image>
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<text class="result-url">{{ method2Result }}</text>
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</view>
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</view>
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</view>
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</template>
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<script>
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import { getQiniuUploadToken, uploadToQiniu } from '@/api/upload.js'
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export default {
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data() {
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return {
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// 方法一结果
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method1Result: '',
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// 方法二数据
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selectedImage: '',
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uploading: false,
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method2Result: '',
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qiniuToken: '',
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}
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},
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onLoad() {
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// 监听上传成功事件
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uni.$on('image-upload-success', this.onImageUploadSuccess)
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},
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onUnload() {
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// 移除事件监听
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uni.$off('image-upload-success', this.onImageUploadSuccess)
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},
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methods: {
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// 方法一：跳转到上传页面
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method1() {
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uni.navigateTo({
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url: '/pages/image-upload/image-upload'
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})
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},
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// 监听上传成功事件
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onImageUploadSuccess(imageUrl) {
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this.method1Result = imageUrl
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uni.showToast({
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title: '图片上传成功',
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icon: 'success'
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})
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},
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// 方法二：选择图片
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chooseImage() {
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uni.chooseImage({
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count: 1,
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sizeType: ['compressed'],
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sourceType: ['album', 'camera'],
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success: (res) => {
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this.selectedImage = res.tempFilePaths[0]
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this.method2Result = ''
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}
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})
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},
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// 方法二：上传选中的图片
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async uploadSelectedImage() {
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if (!this.selectedImage) {
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uni.showToast({
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title: '请先选择图片',
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icon: 'none'
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})
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return
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}
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this.uploading = true
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try {
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// 获取token
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if (!this.qiniuToken) {
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await this.getQiniuToken()
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}
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// 生成文件名
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const key = `examples/${Date.now()}_${Math.random().toString(36).slice(2)}.jpg`
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// 上传
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const result = await uploadToQiniu(this.selectedImage, this.qiniuToken, key)
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this.method2Result = `https://api.ccttiot.com/${result.key}`
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uni.showToast({
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title: '上传成功',
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icon: 'success'
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})
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} catch (error) {
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console.error('上传失败:', error)
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uni.showToast({
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title: '上传失败',
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icon: 'none'
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})
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} finally {
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this.uploading = false
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}
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},
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// 获取七牛云token
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async getQiniuToken() {
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try {
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const res = await getQiniuUploadToken()
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if (res.code === 200) {
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const token = res.data?.token || res.data?.uploadToken || res.token || res.data
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if (token) {
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this.qiniuToken = token
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} else {
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throw new Error('Token字段不存在')
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}
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} else {
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throw new Error(res.msg || '获取Token失败')
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}
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} catch (error) {
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console.error('获取Token失败:', error)
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throw error
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}
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.usage-example {
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padding: 30rpx;
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background: #f5f5f5;
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min-height: 100vh;
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.example-header {
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text-align: center;
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margin-bottom: 40rpx;
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.title {
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display: block;
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font-size: 36rpx;
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font-weight: bold;
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color: #333;
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margin-bottom: 10rpx;
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}
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.desc {
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display: block;
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font-size: 26rpx;
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color: #666;
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}
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}
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.method-section {
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background: #fff;
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border-radius: 16rpx;
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padding: 30rpx;
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margin-bottom: 30rpx;
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.method-title {
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display: block;
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font-size: 30rpx;
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font-weight: bold;
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color: #333;
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margin-bottom: 10rpx;
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}
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.method-desc {
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display: block;
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font-size: 24rpx;
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color: #666;
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margin-bottom: 20rpx;
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}
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.method-btn {
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width: 100%;
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height: 80rpx;
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line-height: 80rpx;
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background: #007aff;
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color: #fff;
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border-radius: 12rpx;
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font-size: 28rpx;
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border: none;
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margin-bottom: 20rpx;
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&:active {
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background: #0056cc;
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}
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}
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.inline-upload {
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margin-bottom: 20rpx;
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.upload-area {
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width: 100%;
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height: 200rpx;
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background: #f8f8f8;
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border-radius: 12rpx;
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display: flex;
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align-items: center;
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justify-content: center;
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margin-bottom: 20rpx;
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border: 2rpx dashed #ddd;
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.upload-placeholder {
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text-align: center;
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text {
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font-size: 28rpx;
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color: #999;
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}
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}
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.preview-image {
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width: 100%;
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height: 100%;
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border-radius: 12rpx;
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}
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}
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.upload-btn {
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width: 100%;
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height: 70rpx;
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line-height: 70rpx;
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background: #52c41a;
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color: #fff;
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border-radius: 8rpx;
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font-size: 26rpx;
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border: none;
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&:active {
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background: #389e0d;
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}
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&:disabled {
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background: #ccc;
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color: #999;
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}
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}
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}
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.result-box {
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border-top: 1rpx solid #eee;
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padding-top: 20rpx;
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.result-label {
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display: block;
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font-size: 26rpx;
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font-weight: bold;
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color: #333;
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margin-bottom: 15rpx;
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}
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.result-image {
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width: 100%;
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border-radius: 8rpx;
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margin-bottom: 15rpx;
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}
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.result-url {
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display: block;
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font-size: 22rpx;
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color: #007aff;
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word-break: break-all;
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line-height: 1.4;
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background: #f8f8f8;
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padding: 15rpx;
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border-radius: 6rpx;
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}
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}
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}
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}
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</style> |