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初始化 uniapp 小程序
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YunaiV
200
yudao-vue-ui/components/mix-upload-image/mix-upload-image.vue
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200
yudao-vue-ui/components/mix-upload-image/mix-upload-image.vue
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<template>
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<view class="upload-content">
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<view
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class="upload-item"
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v-for="(item, index) in imageList"
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:key="index"
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>
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<image class="upload-img" :src="item.filePath" mode="aspectFill" @click="previewImage(index)"></image>
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<!-- 删除按钮 -->
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<image class="upload-del-btn"
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@click.stop.prevent="showDelModal(index)"
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src="data:image/jpg;base64,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"
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mode="scaleToFill">
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</image>
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<!-- 进度 -->
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<view class="upload-progress" v-if="item.progress < 100">{{item.progress}}%</view>
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</view>
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<!-- 新增按钮 -->
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<view class="upload-add-btn" v-if="rduLength > 0" @click="chooseImage"></view>
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<mix-modal ref="mixModal" title="提示" text="确定要放弃这张图片么" @onConfirm="delImage"></mix-modal>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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imageList: []
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};
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},
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props: {
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count: {
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type: Number,
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default: 5 //单次可选择的图片数量
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},
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length: {
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type: Number,
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default: 1 //可上传总数量
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},
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index: {
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type: Number,
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default: 0
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}
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},
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computed: {
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rduLength(){
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return this.length - this.imageList.length;
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}
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},
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methods: {
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//选择图片
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chooseImage(){
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uni.chooseImage({
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count: this.rduLength < this.count ? this.rduLength : this.count, //最多可以选择的图片张数，默认9
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sizeType: ['original', 'compressed'], //original 原图，compressed 压缩图，默认二者都有
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sourceType: ['album', 'camera'], //album 从相册选图，camera 使用相机，默认二者都有
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success: res=> {
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this.uploadFiles(res.tempFilePaths);
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}
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});
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},
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//上传图片
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async uploadFiles(files){
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const item = {
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filePath: files[0],
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progress: 0
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}
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this.imageList.push(item);
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const result = await uniCloud.uploadFile({
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filePath: item.filePath,
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cloudPath: + new Date() + ('000000' + Math.floor(Math.random() * 999999)).slice(-6) + '.jpg',
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onUploadProgress: e=> {
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item.progress = Math.round(
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(e.loaded * 100) / e.total
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)
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}
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});
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if(!result.fileID){
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this.$util.msg('图片上传失败，上传任务已终止');
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this.imageList.pop();
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return;
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}
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const tempFiles = await uniCloud.getTempFileURL({
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fileList: [result.fileID]
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})
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const tempFile = tempFiles.fileList[0];
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if(tempFile.download_url || tempFile.fileID){
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item.url = tempFile.download_url || tempFile.fileID;
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this.$emit('onChange', {
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list: this.imageList,
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index: this.index
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})
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}else{
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this.$util.msg('图片上传失败，上传任务已终止');
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this.imageList.pop();
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}
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files.shift();
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if(files.length > 0){
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this.uploadFiles(files);
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}
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},
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//删除图片
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showDelModal(index){
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this.curIndex = index;
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this.$refs.mixModal.open();
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},
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delImage(index){
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this.imageList.splice(this.curIndex, 1);
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this.$emit('onChange', {
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list: this.imageList,
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index: this.index
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})
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},
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//预览图片
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previewImage(index){
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const urls = this.imageList.map(item=> item.filePath);
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uni.previewImage({
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current: index,
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urls: urls
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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">
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.upload-content{
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display: flex;
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flex-wrap: wrap;
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background-color: #fff;
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}
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.upload-item{
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position: relative;
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width:148rpx;
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height:148rpx;
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margin-right:28rpx;
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margin-bottom:24rpx;
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&:nth-child(4n){
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margin-right:0;
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}
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.upload-img{
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width:100%;
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height:100%;
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border-radius:8rpx;
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}
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.upload-del-btn{
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position: absolute;
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right:-16rpx;
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top:-14rpx;
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z-index: 5;
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width:36rpx;
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height:36rpx;
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border: 4rpx solid #fff;
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border-radius: 100px;
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}
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.upload-progress{
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position: absolute;
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left:0;
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top:0;
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display:flex;
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align-items:center;
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justify-content: center;
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width:100%;
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height:100%;
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background-color: rgba(0,0,0,.4);
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color:#fff;
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font-size:24rpx;
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border-radius:8rpx;
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}
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}
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.upload-add-btn {
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position: relative;
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float:left;
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width: 148rpx;
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height: 148rpx;
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margin-bottom: 24rpx;
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z-index: 85;
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border-radius:8rpx;
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background:#f7f7f7;
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&:before,
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&:after {
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content: " ";
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position: absolute;
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top: 50%;
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left: 50%;
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-webkit-transform: translate(-50%, -50%);
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transform: translate(-50%, -50%);
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width: 4rpx;
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height: 60rpx;
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background-color: #d6d6d6;
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}
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&:after {
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width: 60rpx;
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height: 4rpx;
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}
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}
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</style>
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