Biegral Blog

var commonfn = {};
!function (c) {
    //删除字符串前后的空格
    String.prototype.trim = function () {
        return this.replace(/(^\s*)|(\s*$)/g, "");
    }
    //获取url地址栏参数值
    function queryString(name) {
        /// 获取QueryString
        if (name == null || name == "" || name == undefined) {
            var AllVars = window.location.search.substring(1);
            return AllVars.split("&");
        }
        else {
            var AllVars = window.location.search.substring(1);
            var Vars = AllVars.split("&");
            for (i = 0; i < Vars.length; i++) {
                var Var = Vars[i].split("=");
                if (Var[0] == name) return Var[1];
            }
            return "";
        }
    };
    //改变地址栏参数值
    function changeParam(name, value) {
        var url = window.location.href;
        var newUrl = "";
        var reg = new RegExp("(^|)" + name + "=([^&]*)(|$)");
        var tmp = name + "=" + value;
        if (url.match(reg) != null) {
            newUrl = url.replace(eval(reg), tmp);
        }
        else {
            if (url.match("[\?]")) {
                newUrl = url + "&" + tmp;
            }
            else {
                newUrl = url + "?" + tmp;
            }
        }
        location.href = newUrl;
    }
    //只能输入金额
    function clearNoNum(obj) {
        if (obj.value == "0") {
        } else {
            var firstNum = obj.value.toString().substring(0, 1);
            if (obj.value.length > 1 && firstNum == "0") {
                var second = obj.value.toString().substring(1, 2);
                if (second == "0") {
                    obj.value = "0";
                }
            }
        }
        //先把非数字的都替换掉，除了数字和.
        obj.value = obj.value.replace(/[^\d.]/g, "");
        //必须保证第一个为数字而不是.
        obj.value = obj.value.replace(/^\./g, "");
        //保证只有出现一个.而没有多个.
        obj.value = obj.value.replace(/\.{2,}/g, ".");
        //保证.只出现一次，而不能出现两次以上
        obj.value = obj.value.replace(".", "$#$").replace(/\./g, "").replace("$#$", ".");
    }
    //删除小数后面的小数点
    function delNumHouDian(obj) {
        var endstr = obj.value.substring(obj.value.length - 1);
        if (endstr == ".") {
            obj.value = obj.value.substring(0, obj.value.length - 1);
        }
    }
    //小数格式化,num是要格式话的数字，len是要保留的小数位数
    function cutXiaoNum(num, len) {
        var numStr = num.toString();
        if (len == null || len == undefined) {
            len = numStr.length;
        }
        var index = numStr.indexOf('.');
        if (index == -1) {
            index = numStr.length;
            numStr += ".0000000000000";
        } else {
            numStr += "0000000000000";
        }
        var newNum = numStr.substring(0, index + len + 1);
        return newNum;
    }
    //将时间戳转换为时间字符串格式15:18:13
    function getTimeStampTime(timeStamp) {
        ///<summary>
        ///将时间戳转换为时间字符串，返回格式15:18:13
        /// </summary>
        /// <param name="timeStamp">时间戳，整数</param>
        var d = new Date(parseInt(timeStamp) * 1000);
        var h = d.getHours();
        var m = d.getMinutes();
        var s = d.getSeconds();
        if (d.getHours() == 0) {
            h = "00";
        }
        if (d.getHours() < 10) {
            h = "0" + d.getHours();
        }
        if (m == 0) {
            m = "00";
        }
        if (d.getMinutes() < 10) {
            m = "0" + d.getMinutes();
        }
        if (s == 0) {
            s = "00";
        }
        if (d.getSeconds() < 10) {
            s = "0" + d.getSeconds();
        }
        var time = h + ":" + m + ":" + s;
        return time;
    }
    //将时间戳转换为分钟格式16:08
    function getTimeStampToMinutes(timeStamp) {
        ///<summary>
        ///将时间戳转换为时间字符串，返回格式15:18
        /// </summary>
        /// <param name="timeStamp">时间戳，整数</param>
        var d = new Date(parseInt(timeStamp));
        var h = d.getHours();
        var m = d.getMinutes();
        if (d.getHours() == 0) {
            h = "00";
        }
        if (d.getHours() < 10) {
            h = "0" + d.getHours();
        }
        if (m == 0) {
            m = "00";
        }
        if (d.getMinutes() < 10) {
            m = "0" + d.getMinutes();
        }
        var time = h + ":" + m;
        return time;
    }     
    c.changeParam = changeParam;
    c.queryString = queryString;
    c.clearNoNum = clearNoNum;
    c.delNumHouDian = delNumHouDian;
    c.cutXiaoNum = cutXiaoNum;
    c.getTimeStampTime = getTimeStampTime;
    c.getTimeStampToMinutes = getTimeStampToMinutes; 
}(commonfn);