/**
 * 提示框
 *
 * @param string message
 * @param string type
 * @param string icon
 * @return void
 */
function toast(message, type, icon) {
    var toast = $(".toast");
    toast.addClass(type);
    toast.children('.message').html(message);
    var iconClass = 'fa-' + icon;
    toast.children('.icon').addClass(iconClass);
    toast.fadeIn(500);

    setTimeout(function() {
        toast.fadeOut('fast');
        toast.children('.message').text('');
        toast.children('.icon').removeClass(iconClass);
    }, 3000);
}

/**
 * 获取url中参数
 * @param variable
 * @returns {*}
 */
function getQueryVariable(variable) {
    var query = window.location.search.substring(1);
    var vars = query.split("&");
    for (var i=0;i<vars.length;i++) {
        var pair = vars[i].split("=");
        if(pair[0] == variable){return pair[1];}
    }
    return(false);
}

const zeroRange = 0.00000001;
function checkZero(value) {
    return value === null || value === undefined || (_.isNumber(value) && Math.abs(value) < zeroRange);
}
function checkFieldChange(o, n) {
    return o == n || ((!o || o === '') && (n === ''));
}

/**
 * 设置本地缓存
 *
 * @param {String} key
 * @param {String|Number} value
 * @return {void}
 */
function setLocalCache(key, value) {
    const storage = window.localStorage;
    if (!storage || key === '' || value === '') {
        return;
    }

    storage.setItem(key, value);
}

/**
 * 获取本地缓存
 *
 * @param {String} key
 * @return {String}
 */
function getLocalCache(key) {
    const storage = window.localStorage;
    if (!storage || key === '') {
        return null;
    }

    return storage.getItem(key);
}

/**
 * 移除本地缓存
 * @param {String} key
 * @returns {Boolean}
 */
function removeLocalCache(key) {
    const storage = window.localStorage;
    if (!storage || key === '') {
        return null;
    }
    return storage.removeItem(key);
}

function trimInvalidChar(str) {
    return $.trim(str).replace(/\n/g, '').replace(/\r/g, '').replace(/\t/g, '');
}

function cleanSymbols(str) {
    return $.trim(str).replace(/\\/g, '').replace(/\'/g, '').replace(/\"/g, '').replace(/\</g, '').replace(/\|/g, '');
}