/**
 * 登录
 * @param url
 */
function login(url){
    $.toast('请先登录','text');
    setTimeout(function(){
        location.href = url;
    }, 500);
}

/**
 * 获取地址参数
 * @param name
 * @returns {string}
 */
function getParam(name) {
    return location.href.match(new RegExp('[?#&]' + name + '=([^?#&]+)', 'i')) ? decodeURI(RegExp.$1) : '';
}

/**
 * 小数点2位非四舍五入
 * @param num
 * @param decimal
 * @returns {string}
 */
function moneyFormat(num, decimal) {
    num = num.toString()
    let index = num.indexOf('.')
    if (index !== -1) {
        num = num.substring(0, decimal + index + 1)
    } else {
        num = num.substring(0)
    }
    return parseFloat(num).toFixed(decimal)
}

/**
 * 获取唯一字符串 
 */
function getKey() {
        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 uuid = s.join("");
        return uuid;
}