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106 lines
4.1 KiB
JavaScript
106 lines
4.1 KiB
JavaScript
(function(vc) {
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vc.extends({
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propTypes: {
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callBackListener: vc.propTypes.string, //父组件名称
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callBackFunction: vc.propTypes.string //父组件监听方法
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},
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data: {
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uploadFileInfo: {
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vedio: {},
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fileName: '',
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realFileName: '',
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progress: 0
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}
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},
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watch: {
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uploadFileInfo: {
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deep: true,
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handler: function() {
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vc.emit($props.callBackListener, $props.callBackFunction, this.uploadFileInfo);
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}
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}
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},
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_initMethod: function() {
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},
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_initEvent: function() {
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vc.on('uploadFile', 'clearVedio', function() {
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this.uploadFileInfo = {
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vedio: {},
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fileName: '',
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realFileName: '',
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progress: 0
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}
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});
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vc.on('uploadFile', 'notifyVedio', function(_fileName) {
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this.uploadFileInfo.fileName = _fileName;
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this.uploadFileInfo.realFileName = _fileName;
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this.uploadFileInfo.progress = 100;
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});
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},
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methods: {
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_uploadFile: function(event) {
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$("#uploadFile").trigger("click")
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},
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_chooseFile: function(event) {
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var photoFiles = event.target.files;
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if (photoFiles && photoFiles.length > 0) {
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// 获取目前上传的文件
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var file = photoFiles[0]; // 文件大小校验的动作
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if (file.size > 1024 * 1024 * 20) {
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vc.toast("文件大小不能超过 20MB!")
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return false;
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}
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this.uploadFileInfo.fileName = file.name;
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this._doUploadFile(file);
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}
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},
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_doUploadFile: function(_file) {
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var param = new FormData();
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param.append("uploadFile", _file);
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//发送get请求
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vc.http.upload('uploadVedio',
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'upload',
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param, {
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emulateJSON: true,
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//添加请求头
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headers: {
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"Content-Type": "multipart/form-data"
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},
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progress: function(event) {
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//console.log(event);
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//vc.toast("视频上传中，请稍后");
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var rate = event.loaded / event.total; //已上传的比例
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if (rate < 0.9) {
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//这里的进度只能表明文件已经上传到后台，但是后台有没有处理完还不知道
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//因此不能直接显示为100%，不然用户会误以为已经上传完毕，关掉浏览器的话就可能导致上传失败
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//等响应回来时，再将进度设为100%
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this.uploadFileInfo.progress = (rate * 100).toFixed(2);
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}
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}
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},
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function(json, res) {
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if (res.status != 200) {
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vc.toast("上传文件失败");
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return;
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}
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var _json = JSON.parse(json);
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this.uploadFileInfo.progress = 100.00;
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vc.toast("文件上传成功");
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this.uploadFileInfo.fileName = _json.fileName;
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this.uploadFileInfo.realFileName = _json.realFileName;
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vc.emit($props.callBackListener, $props.callBackFunction, _json);
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},
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function(errInfo, error) {
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console.log('请求失败处理', error);
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vc.toast("上传文件失败");
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});
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},
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}
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});
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})(window.vc); |