对接App跨端通讯机制

Tevin

2021-08-15 dec047c9fbceb85c668970bf6e9dae0588bfd104

 forms/imagePicker/CImagePicker.vue

@@ -23,18 +23,7 @@
            :onFail="evt=>handleFail(evt)"
            :onImageClick="(index, file)=>handleImgView(index,file)"
        />
        <AtCurtain
            class="c-image-picker-view"
            closeBtnPosition="top-right"
            :isOpened="showImg"
            :onClose="evt=>handleImgClose()"
        >
            <image
                class="img"
                mode="aspectFit"
                :src="curtainImg"
            />
        </AtCurtain>
        <CImageCompressor ref="compressor" />
    </view>
</template>

@@ -42,12 +31,14 @@
import Taro from '@tarojs/taro';
import { $ } from '@tarojs/extend';
import { AtInput, AtImagePicker, AtCurtain } from 'taro-ui-vue';
import { $fetcherCommon } from '@fetchers/FCommon';
import { $fetchCommon } from '@fetchers/FCommon';
import CImageCompressor from './CImageCompressor.vue';
import './cImagePicker.scss';

export default {
    name: 'CImagePicker',
    components: {
        CImageCompressor,
        AtInput,
        AtImagePicker,
        AtCurtain,
@@ -57,10 +48,7 @@
        itemRes: Object,
    },
    data() {
        return {
            showImg: false,
            curtainImg: '',
        };
        return {};
    },
    computed: {
        files() {
@@ -76,7 +64,7 @@
        },
    },
    methods: {
        handleChange(files, operationType, index) {
        triggerChange(files) {
            const value = [];
            files.forEach(file => {
                if (file.type === 'btn') {
@@ -86,14 +74,61 @@
            });
            this.itemRes.onChange(value);
        },
        handleChange(files, operationType, index) {
            // 添加图片
            if (operationType === 'add') {
                const needs = files
                    .map((file, needIndex) => {
                        const fileInfo = file.file;
                        // 没有 file 信息对象，或者不是 blob 类型
                        if (!fileInfo || fileInfo.path.indexOf('blob') < 0) {
                            return false;
                        }
                        // 尺寸小于 2M 的图片
                        if (fileInfo.size < 1 * 1024 * 1024) {
                            return false;
                        }
                        return [fileInfo, needIndex];
                    })
                    .filter(Boolean);
                // 存在需要压缩的图片，一次性压缩
                if (needs.length > 0) {
                    const files2 = [...files];
                    const needPaths = needs.map(need => need[0].path);
                    this.$refs.compressor.$compress(needPaths, compressedFiles => {
                        compressedFiles.forEach((cpPath, cpIndex) => {
                            const filesIndex = needs[cpIndex][1];
                            files2[filesIndex] = {
                                url: cpPath.compress,
                            };
                        });
                        this.triggerChange(files2);
                    });
                }
                // 不存在，直接显示
                else {
                    this.triggerChange(files);
                }
            }
            // 删除图片，直接显示
            else {
                this.triggerChange(files);
            }
        },
        handleImgView(index, file) {
            this.curtainImg = file.url;
            this.showImg = true;
            const urls = this.files
                .map(file => (file.type === 'btn' ? false : file.url))
                .filter(Boolean);
            Taro.previewImage({
                current: file.url, // 当前显示图片的http链接
                urls, // 需要预览的图片http链接列表
            });
        },
        handleImgClose() {
            this.showImg = false;
        },
        handleFail(msg) {
            console.log(msg);
            Taro.showToast({
                title: msg,
                icon: 'none',
@@ -102,14 +137,14 @@
            });
        },
        $uploadImage(callback) {
            const url = $fetcherCommon.getUploadImgURL();
            const url = $fetchCommon.getUploadImgURL();
            const uploadTeam = [];
            const imgs = [];
            this.files.forEach(file => {
                if (file.type === 'btn') {
                    return;
                }
                // blob 二进制文件才上传
                // blob 临时文件才上传
                if (file.url.indexOf('blob') >= 0) {
                    uploadTeam.push(
                        new Promise((resolve, reject) => {
@@ -125,7 +160,7 @@
                                            : res.data;
                                    if (res2.state.code === 2000) {
                                        resolve(
                                            $fetcherCommon.transImgPath(
                                            $fetchCommon.transImgPath(
                                                'fix',
                                                res2.data.src
                                            )