1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
| import { VantComponent } from '../common/component';
| import { isImageFile, chooseFile, isVideoFile } from './utils';
| import { chooseImageProps, chooseVideoProps } from './shared';
| import { isBoolean, isPromise } from '../common/validator';
| VantComponent({
| props: Object.assign(Object.assign({ disabled: Boolean, multiple: Boolean, uploadText: String, useBeforeRead: Boolean, afterRead: null, beforeRead: null, previewSize: {
| type: null,
| value: 80,
| }, name: {
| type: null,
| value: '',
| }, accept: {
| type: String,
| value: 'image',
| }, fileList: {
| type: Array,
| value: [],
| observer: 'formatFileList',
| }, maxSize: {
| type: Number,
| value: Number.MAX_VALUE,
| }, maxCount: {
| type: Number,
| value: 100,
| }, deletable: {
| type: Boolean,
| value: true,
| }, showUpload: {
| type: Boolean,
| value: true,
| }, previewImage: {
| type: Boolean,
| value: true,
| }, previewFullImage: {
| type: Boolean,
| value: true,
| }, imageFit: {
| type: String,
| value: 'scaleToFill',
| }, uploadIcon: {
| type: String,
| value: 'photograph',
| } }, chooseImageProps), chooseVideoProps),
| data: {
| lists: [],
| isInCount: true,
| },
| methods: {
| formatFileList() {
| const { fileList = [], maxCount } = this.data;
| const lists = fileList.map((item) => (Object.assign(Object.assign({}, item), { isImage: isImageFile(item), isVideo: isVideoFile(item), deletable: isBoolean(item.deletable) ? item.deletable : true })));
| this.setData({ lists, isInCount: lists.length < maxCount });
| },
| getDetail(index) {
| return {
| name: this.data.name,
| index: index == null ? this.data.fileList.length : index,
| };
| },
| startUpload() {
| const { maxCount, multiple, lists, disabled } = this.data;
| if (disabled)
| return;
| chooseFile(Object.assign(Object.assign({}, this.data), { maxCount: maxCount - lists.length }))
| .then((res) => {
| this.onBeforeRead(multiple ? res : res[0]);
| })
| .catch((error) => {
| this.$emit('error', error);
| });
| },
| onBeforeRead(file) {
| const { beforeRead, useBeforeRead } = this.data;
| let res = true;
| if (typeof beforeRead === 'function') {
| res = beforeRead(file, this.getDetail());
| }
| if (useBeforeRead) {
| res = new Promise((resolve, reject) => {
| this.$emit('before-read', Object.assign(Object.assign({ file }, this.getDetail()), { callback: (ok) => {
| ok ? resolve() : reject();
| } }));
| });
| }
| if (!res) {
| return;
| }
| if (isPromise(res)) {
| res.then((data) => this.onAfterRead(data || file));
| }
| else {
| this.onAfterRead(file);
| }
| },
| onAfterRead(file) {
| const { maxSize, afterRead } = this.data;
| const oversize = Array.isArray(file)
| ? file.some((item) => item.size > maxSize)
| : file.size > maxSize;
| if (oversize) {
| this.$emit('oversize', Object.assign({ file }, this.getDetail()));
| return;
| }
| if (typeof afterRead === 'function') {
| afterRead(file, this.getDetail());
| }
| this.$emit('after-read', Object.assign({ file }, this.getDetail()));
| },
| deleteItem(event) {
| const { index } = event.currentTarget.dataset;
| this.$emit('delete', Object.assign(Object.assign({}, this.getDetail(index)), { file: this.data.fileList[index] }));
| },
| onPreviewImage(event) {
| if (!this.data.previewFullImage)
| return;
| const { index } = event.currentTarget.dataset;
| const { lists } = this.data;
| const item = lists[index];
| wx.previewImage({
| urls: lists.filter((item) => isImageFile(item)).map((item) => item.url),
| current: item.url,
| fail() {
| wx.showToast({ title: '预览图片失败', icon: 'none' });
| },
| });
| },
| onPreviewVideo(event) {
| if (!this.data.previewFullImage)
| return;
| const { index } = event.currentTarget.dataset;
| const { lists } = this.data;
| wx.previewMedia({
| sources: lists
| .filter((item) => isVideoFile(item))
| .map((item) => (Object.assign(Object.assign({}, item), { type: 'video' }))),
| current: index,
| fail() {
| wx.showToast({ title: '预览视频失败', icon: 'none' });
| },
| });
| },
| onPreviewFile(event) {
| const { index } = event.currentTarget.dataset;
| wx.openDocument({
| filePath: this.data.lists[index].url,
| showMenu: true,
| });
| },
| onClickPreview(event) {
| const { index } = event.currentTarget.dataset;
| const item = this.data.lists[index];
| this.$emit('click-preview', Object.assign(Object.assign({}, item), this.getDetail(index)));
| },
| },
| });
|
|
