oss上传文件阿里云(js版本)

<input type="file" name="picFieldName" id="picFieldId" οnchange="uploadPic(this)" />

<!-- oss 上传文件 JavaScript 库 --><script src="http://gosspublic.alicdn.com/aliyun-oss-sdk-4.4.4.min.js"></script><script>    var client = new OSS.Wrapper({        region : 'oss-cn-beijing',        accessKeyId : 'LTAIshUKIQ2d2h',        accessKeySecret : 'KlA92t0ABZix1taZd5lxWyAkNFS2',        bucket : 'demo'    });    function uploadPic(obj){        var file=obj.files[0];//获取文件流        var val= obj.value;        var suffix = val.substr(val.indexOf("."));        var storeAs = "demo/"+timestamp()+suffix;        console.log(file.name + ' => ' + storeAs);        client.multipartUpload(storeAs, file).then(function (result) {        }).catch(function (err) {            console.log(err);        });    }    /**     * 生成文件名     * @returns     */    function timestamp(){        var time = new Date();        var y = time.getFullYear();        var m = time.getMonth()+1;        var d = time.getDate();        var h = time.getHours();        var mm = time.getMinutes();        var s = time.getSeconds();        console.log(y);        return ""+y+add0(m)+add0(d)+add0(h)+add0(mm)+add0(s);    }    function add0(m){        return m<10?'0'+m : m;    }</script>

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