前端上传图片到七牛

// 上传设置
var config = {
    useCdnDomain: true,
    region: null
};

uploadPic(fileIdCardReverseFile, fileIdCardReverseFile.name, {fname: fileIdCardReverseFile.name}, config, 3);

function uploadPic(file, name, putExtra, config, key) {
    $.ajax({
        url: host + "/getQiniuToken.shtml",//获取token接口
        dataType: 'jsonp',
        jsonp: "callback",   //指定参数名称
        type: 'get',
        contentType: "application/json; charset=utf-8",
        success: function (data) {
            console.log(data);
            var observable = qiniu.upload(file, uuid() + name, data.token, putExtra, config);
            var subscription = observable.subscribe({
                error: function (err) {
                    console.log(err);
                    error = "error";
                },
                complete: function (res) {
                    console.log(res);
                    switch (key) {
                        case 1:
                            key1 = res.key;
                            break;
                        case 2:
                            key2 = res.key;
                            break;
                        case 3:
                            key3 = res.key;
                            break;
                    }
                }
            });
        },
        error: function (err) {
            alert("网络错误");
        }
    });
    function uuid() {
        var s = [];
        var hexDigits = "0123456789abcdef";
        for (var i = 0; i < 36; i++) {
            s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
        }
        s[14] = "4";  // bits 12-15 of the time_hi_and_version field to 0010
        s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);  // bits 6-7 of the clock_seq_hi_and_reserved to 01
        s[8] = s[13] = s[18] = s[23] = "-";
        var uu = s.join("");
        return uu;
    }
}