From fdeb869c386da95150a087bc22bcebc4e57d0f76 Mon Sep 17 00:00:00 2001
From: Tevin <tingquanren@163.com>
Date: Tue, 18 Mar 2025 18:16:32 +0800
Subject: [PATCH] 更新所有表单组件文档和头注释
---
forms/imagePicker/CImagePicker.vue | 344 ++++++++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 264 insertions(+), 80 deletions(-)
diff --git a/forms/imagePicker/CImagePicker.vue b/forms/imagePicker/CImagePicker.vue
index 4d692f3..cdc08dc 100644
--- a/forms/imagePicker/CImagePicker.vue
+++ b/forms/imagePicker/CImagePicker.vue
@@ -1,5 +1,8 @@
/**
* CImagePicker
+ * 图片选择器组件，用于在表单中上传和管理图片
+ * 支持单张和多张图片上传，并提供压缩、预览等功能
+ * 可限制上传图片的数量和来源（相册/相机）
* @author Tevin
*/
@@ -14,40 +17,38 @@
/>
<AtImagePicker
ref="picker"
- multiple
mode="aspectFit"
- :count="9"
+ :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)"
/>
- <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" />
+ <CImagePreview ref="imgPreview" />
</view>
</template>
<script>
-import { $ } from '@tarojs/extend';
import Taro from '@tarojs/taro';
+import { $ } from '@tarojs/extend';
import { AtInput, AtImagePicker, AtCurtain } from 'taro-ui-vue';
-import { $fetcherCommon } from '@fetchers/FCommon';
+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,
@@ -55,11 +56,30 @@
props: {
// 表单数据资源（表单组件内部机制专用）
itemRes: Object,
+ // 最大图片张数
+ 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,
+ },
},
data() {
return {
- showImg: false,
- curtainImg: '',
+ fileNames: {},
};
},
computed: {
@@ -71,29 +91,113 @@
} else if (Object.prototype.toString.call(value) === '[object Array]') {
files = value.map(url => ({ url }));
}
- files.push({ type: 'btn' });
return files;
+ },
+ selectedFull() {
+ return this.files.length >= this.count;
},
},
methods: {
- handleChange(files, operationType, index) {
+ _triggerChange(files) {
const value = [];
files.forEach(file => {
- if (file.type === 'btn') {
- return;
- }
value.push(file.url);
+ // 记录原文件名
+ if (file.file && file.file.originalFileObj) {
+ this.fileNames[file.url] = file.file.originalFileObj.name;
+ }
});
this.itemRes.onChange(value);
},
+ handleChange(files, operationType, index) {
+ // 添加图片
+ if (operationType === 'add') {
+ // 屏蔽其他格式
+ let nextFiles = files.filter(file => {
+ // 新添加
+ if (file.file && file.file.originalFileObj) {
+ if (
+ /image\/(gif|png|jpg|jpeg)/.test(
+ file.file.originalFileObj.type,
+ )
+ ) {
+ return true;
+ } else {
+ Tools.toast('不支持的格式，请选择其他图片！');
+ return false;
+ }
+ }
+ // 非本次添加的图片
+ else {
+ return true;
+ }
+ });
+ // 限制数量
+ if (nextFiles.length > this.count) {
+ Tools.toast('最多只能选 ' + this.count + ' 张图片！');
+ nextFiles = nextFiles.splice(0, this.count);
+ }
+ // 检查是否需要压缩
+ const needs = nextFiles
+ .map((file, needIndex) => {
+ const fileInfo = file.file;
+ // 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
+ 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 = [...nextFiles];
+ const needPaths = needs.map(need => need[0].path);
+ this.$refs.compressor.$compress(needPaths, compressedFiles => {
+ compressedFiles.forEach((cpPath, cpIndex) => {
+ const filesIndex = needs[cpIndex][1];
+ files2[filesIndex] = {
+ url: cpPath.compress,
+ };
+ });
+ this._triggerChange(files2);
+ });
+ }
+ // 不存在，直接显示
+ else {
+ this._triggerChange(nextFiles);
+ }
+ }
+ // 删除图片，直接显示
+ else {
+ this._triggerChange(files);
+ }
+ },
handleImgView(index, file) {
- this.curtainImg = file.url;
- this.showImg = true;
+ const urls = this.files
+ .map(file => (file.type === 'btn' ? false : file.url))
+ .filter(Boolean);
+ // 图片预览，支持H5模式下的双指缩放
+ this.$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
+ });
},
handleImgClose() {
this.showImg = false;
},
handleFail(msg) {
+ if (typeof msg === 'object') {
+ msg = msg.message;
+ }
Taro.showToast({
title: msg,
icon: 'none',
@@ -102,63 +206,31 @@
});
},
$uploadImage(callback) {
- const url = $fetcherCommon.getUploadImgURL();
- const uploadTeam = [];
- const imgs = [];
+ const files = [];
this.files.forEach(file => {
if (file.type === 'btn') {
return;
}
- // blob 二进制文件才上传
- if (file.url.indexOf('blob') >= 0) {
- uploadTeam.push(
- new Promise((resolve, reject) => {
- Taro.uploadFile({
- url,
- filePath: 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(
- $fetcherCommon.transImgPath(
- 'fix',
- res2.data.src
- )
- );
- } 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,
+ }),
+ );
},
},
mounted() {
@@ -173,4 +245,116 @@
}
},
};
+
+// 图片上传节流
+const _readyUpload = {};
+
+export const uploadImage = (files, callback, formData = {}) => {
+ if (!files || files.length === 0) {
+ callback('success', []);
+ return;
+ }
+ let 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>
\ No newline at end of file
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