阿里云图片裁剪 & 缩放

详细资料： https://help.aliyun.com/document_detail/44693.html

/* 阿里云图片裁剪*/
Baie.ImgClip = function(imgUrl, operate, options) {
    var default_options = { /* 裁剪--设置默认参数值 */
        w: 300,
        h: 300,
        x: 0,
        y: 0,
        g: 'nw'
    }
    if (operate == '/resize') { /* 缩放--设置默认参数值 */
        default_options = {
            w: 300,
            h: 300,
            m: 'fill'
        }
    }

    var _options = extend(default_options, options),
        _imgUrl = imgUrl,
        _operate = operate,
        type = 'x-oss-process=image',
        urlArr = _imgUrl.split(type),
        regexp = /@.*$/g;

    _options = $.param(_options).replace(/&/g,',').replace(/=/g,'_');

    if (urlArr.length == 1) {
        if (urlArr[0].match(regexp)) {
            urlArr[0] = urlArr[0].replace(regexp, '');
        }
        urlArr[0] = urlArr[0] + '?';
    }

    return urlArr[0] + type + _operate + ',' + _options;
}

裁剪参数说明

缩放参数说明