55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
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Page({
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data: {
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type: 'image',
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url: '',
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showPreview: false,
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},
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onShareAppMessage: function (res) {
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var typeMap = {
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image: '图片',
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video: '视频',
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};
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var data = {
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title: 'COS 上传示例 - 预览' + (typeMap[this.data.type] || '文件'),
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path: this.route + '?type=' + this.data.type + '&url=' + encodeURIComponent(this.data.url),
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};
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if (this.data.type === 'image') {
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data.imageUrl = this.data.url;
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}
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return data;
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},
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onShow() {
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this.setData({showPreview: false});
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this.setData({
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type: this.options.type || 'image',
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url: decodeURIComponent(this.options.url) || '',
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});
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},
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showPreviewBox() {
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this.setData({showPreview: true});
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},
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copyLink() {
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wx.setClipboardData({
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data: this.data.url || '',
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success: function () {
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wx.showToast({title: '复制成功', icon: 'success', duration: 2000});
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},
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fail: function () {
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wx.showToast({title: '复制失败', icon: 'error', duration: 2000});
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},
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});
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},
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saveImage() {
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wx.downloadFile({
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url: this.data.url,
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success: function(res) {
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// 只要服务器有响应数据，就会把响应内容写入文件并进入 success 回调，业务需要自行判断是否下载到了想要的内容
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if (res.statusCode === 200) {
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wx.saveImageToPhotosAlbum({
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filePath: res.tempFilePath,
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});
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}
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}
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});
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},
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});
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