WebApp【公共组件库】@前端(For Git Submodule)
‘chensiAb’
2025-03-25 08c9d23e86b545a34e00a5fb5dae81ebabe50dea
forms/imagePicker/CImagePicker.vue
@@ -15,16 +15,18 @@
        <AtImagePicker
            ref="picker"
            mode="aspectFit"
            :sourceType="sourceType"
            :multiple="count > 1"
            :count="count"
            :showAddBtn="!selectedFull"
            :length="3"
            :files="files"
            :onChange="(files,operationType,index)=>handleChange(files,operationType,index)"
            :onFail="evt=>handleFail(evt)"
            :onImageClick="(index, file)=>handleImgView(index,file)"
            :onChange="(files,operationType,index) => handleChange(files,operationType,index)"
            :onFail="evt => handleFail(evt)"
            :onImageClick="(index, file) => handleImgView(index,file)"
        />
        <CImageCompressor ref="compressor" />
        <CImagePreview ref="imgPreview" />
    </view>
</template>
@@ -32,16 +34,18 @@
import Taro from '@tarojs/taro';
import { $ } from '@tarojs/extend';
import { AtInput, AtImagePicker, AtCurtain } from 'taro-ui-vue';
import { Fetcher } from '@components/bases/Fetcher';
import { $hostBoot } from '@components/bases/HostBoot';
import { $fetchCommon } from '@fetchers/FCommon';
import { Tools } from '@components/common/Tools';
import CImageCompressor from './CImageCompressor.vue';
import CImagePreview from './CImagePreview.vue';
import './cImagePicker.scss';
export default {
    name: 'CImagePicker',
    components: {
        CImageCompressor,
        CImagePreview,
        AtInput,
        AtImagePicker,
        AtCurtain,
@@ -53,6 +57,26 @@
        count: {
            type: Number,
            default: 1,
        },
        // 图片来源
        sourceType: {
            type: Array,
            default: () => ['album', 'camera'],
        },
        // 上传图片参数
        params: {
            type: Object,
            default: () => {},
        },
        // 是否开启缩略图
        needThumb: {
            type: Boolean,
            default: false,
        },
        // 上传地址来源
        uploadUrlSource: {
            type: String,
            default: '',
        },
    },
    data() {
@@ -96,7 +120,7 @@
                    if (file.file && file.file.originalFileObj) {
                        if (
                            /image\/(gif|png|jpg|jpeg)/.test(
                                file.file.originalFileObj.type
                                file.file.originalFileObj.type,
                            )
                        ) {
                            return true;
@@ -119,8 +143,13 @@
                const needs = nextFiles
                    .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) {
                        // 没有 file 信息对象,或者不是 blob、wxfile、tmp 类型
                        if (
                            !fileInfo ||
                            (fileInfo.path.indexOf('blob') < 0 &&
                                fileInfo.path.indexOf('wxfile') < 0 &&
                                fileInfo.path.indexOf('http://tmp/') < 0)
                        ) {
                            return false;
                        }
                        // 尺寸小于 1M 的图片
@@ -158,7 +187,8 @@
            const urls = this.files
                .map(file => (file.type === 'btn' ? false : file.url))
                .filter(Boolean);
            Taro.previewImage({
            // 图片预览,支持H5模式下的双指缩放
            this.$refs.imgPreview.$preview({
                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
            });
@@ -167,6 +197,9 @@
            this.showImg = false;
        },
        handleFail(msg) {
            if (typeof msg === 'object') {
                msg = msg.message;
            }
            Taro.showToast({
                title: msg,
                icon: 'none',
@@ -175,82 +208,32 @@
            });
        },
        $uploadImage(callback) {
            const url = Fetcher.host + $fetchCommon.getUploadImgURL();
            const uploadTeam = [];
            const imgs = [];
            const files = [];
            this.files.forEach(file => {
                if (file.type === 'btn') {
                    return;
                }
                // 临时文件才上传
                if (
                    file.url.indexOf('blob') >= 0 ||
                    file.url.indexOf('wxfile') >= 0 ||
                    file.url.indexOf('http://tmp/') >= 0
                ) {
                    let header = {};
                    if (process.env.TARO_ENV === 'weapp') {
                        const localCookies = JSON.parse(
                            Taro.getStorageSync('cookies') || '{}'
                        );
                        const cookiesArr = [];
                        Object.keys(localCookies).forEach(key => {
                            cookiesArr.push(key + '=' + localCookies[key]);
                        });
                        header['Cookie'] = cookiesArr.join('; ');
                    }
                    uploadTeam.push(
                        new Promise((resolve, reject) => {
                            Taro.uploadFile({
                                url,
                                header,
                                filePath: file.url,
                                fileName: this.fileNames[file.url],
                                name: 'file',
                                formData: {},
                                success(res) {
                                    const res2 =
                                        typeof res.data === 'string'
                                            ? JSON.parse(res.data)
                                            : res.data;
                                    if (res2.state.code === 2000) {
                                        resolve(
                                            $fetchCommon.transImgPath(
                                                'fix',
                                                res2.data.src ||
                                                    res2.data.file ||
                                                    res2.data.url
                                            )
                                        );
                                    } else {
                                        reject({ message: res2.state.msg });
                                    }
                                },
                                cancel() {
                                    reject({ message: '上传图片已取消!' });
                                },
                                fail() {
                                    reject({ message: '上传图片失败!' });
                                },
                            });
                        })
                    );
                }
                // 其他类型视为 url,忽略
                else {
                    uploadTeam.push(Promise.resolve(file.url));
                }
                file.fileName = this.fileNames[file.url];
                files.push(file);
            });
            Promise.all(uploadTeam)
                .then(res => {
                    this.itemRes.onChange(res);
                    setTimeout(() => {
                        callback('success');
                    }, 0);
                })
                .catch(err => {
                    callback('error', err);
                });
            uploadImage(
                files,
                (state, res) => {
                    if (state === 'success') {
                        this.itemRes.onChange(res);
                        setTimeout(() => {
                            callback(state);
                        }, 10);
                    } else if (state === 'error') {
                        callback(state, res);
                    }
                },
                $fetchCommon.transKeyName('underline', {
                    ...this.params,
                    needThumb: this.needThumb ? 1 : 0,
                }),
                this.uploadUrlSource,
            );
        },
    },
    mounted() {
@@ -265,4 +248,121 @@
        }
    },
};
// 图片上传节流
const _readyUpload = {};
export const uploadImage = (files, callback, formData = {}, uploadUrlSource) => {
    if (!files || files.length === 0) {
        callback('success', []);
        return;
    }
    let url = '';
    if (uploadUrlSource === 'LPG') {
        url = $fetchCommon.getLPGUploadImgURL();
    } else {
        url = $fetchCommon.getUploadImgURL();
    }
    if (url.indexOf('http') < 0) {
        url = $hostBoot.getHost() + url;
    }
    const uploadTeam = [];
    const imgs = [];
    files.forEach(file => {
        // 临时文件才上传
        if (
            file.url.indexOf('blob') >= 0 ||
            file.url.indexOf('wxfile') >= 0 ||
            file.url.indexOf('http://tmp/') >= 0
        ) {
            const header = {};
            if (process.env.TARO_ENV === 'weapp') {
                const localCookies = JSON.parse(Taro.getStorageSync('cookies') || '{}');
                const cookiesArr = [];
                Object.keys(localCookies).forEach(key => {
                    cookiesArr.push(key + '=' + localCookies[key]);
                });
                header['Cookie'] = cookiesArr.join('; ');
            }
            const requestFile = {
                url,
                filePath: file.url,
                fileName: file.fileName || '',
            };
            uploadTeam.push(
                new Promise((resolve, reject) => {
                    // 如果本次已上传过,直接返回地址
                    if (_readyUpload[file.url] && _readyUpload[file.url].length > 5) {
                        resolve(_readyUpload[file.url]);
                        return;
                    }
                    // 上传
                    Taro.uploadFile({
                        ...requestFile,
                        header,
                        name: 'file',
                        formData,
                        timeout: 30 * 1000,
                        success(res) {
                            let res2;
                            try {
                                res2 =
                                    typeof res.data === 'string'
                                        ? JSON.parse(res.data)
                                        : res.data;
                            } catch (err) {
                                reject({
                                    ...requestFile,
                                    response: res,
                                    message: '上传图片异常!',
                                });
                                return;
                            }
                            // 上传成功
                            if (res2.state.code === 2000) {
                                const imgUrl = $fetchCommon.transImgPath(
                                    'fix',
                                    res2.data.src || res2.data.file || res2.data.url,
                                );
                                _readyUpload[file.url] = imgUrl;
                                resolve(imgUrl);
                            }
                            // 上传失败
                            else {
                                reject({
                                    ...requestFile,
                                    response: res2,
                                    message: res2.state.msg,
                                });
                            }
                        },
                        cancel(err) {
                            reject({
                                ...requestFile,
                                message: '上传图片已取消!',
                            });
                        },
                        fail() {
                            reject({
                                ...requestFile,
                                message: '上传图片失败!',
                            });
                        },
                    });
                }),
            );
        }
        // 其他类型视为 url,忽略
        else {
            uploadTeam.push(Promise.resolve(file.url));
        }
    });
    Promise.all(uploadTeam)
        .then(res => {
            callback('success', res);
        })
        .catch(err => {
            callback('error', err);
        });
};
</script>