miaoguo_system_server/public/mg/common.js

//v1.0.0
(function ($, undefined) {
    $.fn.getCursorPosition = function () {
        var el = $(this).get(0);
        var pos = 0;
        if ('selectionStart' in el) {
            pos = el.selectionStart;
        } else if ('selection' in document) {
            el.focus();
            var Sel = document.selection.createRange();
            var SelLength = document.selection.createRange().text.length;
            Sel.moveStart('character', -el.value.length);
            pos = Sel.text.length - SelLength;
        }
        return pos;
    }
})(jQuery);

jQuery.cookie = function (name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        var path = options.path ? '; path=' + options.path : '';
        var domain = options.domain ? '; domain=' + options.domain : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

function checkIsArray(obj) {
    return Object.prototype.toString.call(obj) === '[object Array]';
}
function Trim(str) { //删除左右两端的空格
    return str.replace(/(^\s*)|(\s*$)/g, "");
}


function ReplaceAllString(str, replaceStrFrom, replaceStrTo) {//替换
    if (str && str.length > 0) {
        var reg = new RegExp(replaceStrFrom, "g");
        //console.log(str);
        return str.toString().replace(reg, replaceStrTo);
    }
    else
        return str;
}

function formatTime(date, format, isShort) {
    if (date) {
        var year = date.getFullYear()
        var month = date.getMonth() + 1
        var day = date.getDate()

        var hour = date.getHours()
        var minute = date.getMinutes()
        var second = date.getSeconds()

        if (!format)
            format = "-";

        if (isShort)
            return [year, month, day].map(formatNumber).join(format);
        else
            return [year, month, day].map(formatNumber).join(format) + ' ' + [hour, minute, second].map(formatNumber).join(':');
    }
    else
        return "";
}

function formatNumber(n) {
    n = n.toString()
    return n[1] ? n : '0' + n
}

function addDate(interval, number, date) {
    switch (interval.toLowerCase()) {
        case "y":
            return new Date(date.setFullYear(date.getFullYear() + number));
        case "m":
            return new Date(date.setMonth(date.getMonth() + number));
        case "d":
            return new Date(date.setDate(date.getDate() + number));
        case "w":
            return new Date(date.setDate(date.getDate() + 7 * number));
        case "h":
            return new Date(date.setHours(date.getHours() + number));
        case "n":
            return new Date(date.setMinutes(date.getMinutes() + number));
        case "s":
            return new Date(date.setSeconds(date.getSeconds() + number));
        case "l":
            return new Date(date.setMilliseconds(date.getMilliseconds() + number));
    }
}

function myBrowser() {
    var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
    var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
    var isIE = userAgent.indexOf("compatible") > -1
        && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
    var isEdge = userAgent.indexOf("Edge") > -1; //判断是否IE的Edge浏览器
    var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器
    var isSafari = userAgent.indexOf("Safari") > -1
        && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器
    var isChrome = userAgent.indexOf("Chrome") > -1
        && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器

    if (isIE) {
        var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
        reIE.test(userAgent);
        var fIEVersion = parseFloat(RegExp["$1"]);
        if (fIEVersion == 7) {
            return "IE7";
        } else if (fIEVersion == 8) {
            return "IE8";
        } else if (fIEVersion == 9) {
            return "IE9";
        } else if (fIEVersion == 10) {
            return "IE10";
        } else if (fIEVersion == 11) {
            return "IE11";
        } else {
            return "0";
        }//IE版本过低
        return "IE";
    }
    if (isOpera) {
        return "Opera";
    }
    if (isEdge) {
        return "Edge";
    }
    if (isFF) {
        return "FF";
    }
    if (isSafari) {
        return "Safari";
    }
    if (isChrome) {
        return "Chrome";
    }

}