(function($) {    $.fn.extend({        money_mode: function(options) {            var defaults = {                decimal_length: 2,//小数点位数                format: "#,###.00",//格式化类型                locale: "us"            };            var options = $.extend(defaults, options);            var len = parseInt(options[‘decimal_length‘]);            return this.each(function() {                var input = $(this);                input.css("ime-mode", "disabled");                var decimal_point = false;                input.bind("keypress", function() {                    if (event.keyCode == 46) {                        if (input.val().indexOf(".") != -1 || (input.val().lastIndexOf(".") == (input.val().length - 1))) {                            return false;                        }                    } else {                        if (decimal_point)                            return false;                        else                            return event.keyCode >= 46 && event.keyCode <= 57;                    }                });                input.bind("blur", function() {    // begin失去焦点后字符串格式化                 var formatData =http://www.mamicode.com/ formatCodes(options.locale.toLowerCase());            var valid = formatData.valid;            var dec = formatData.dec;            var group = formatData.group;            var neg = formatData.neg;                    if (input.val() != null && input.val() != ‘‘) {                        var text = new String(jQuery(input).text());                        if (jQuery(input).is(":input"))                            text = new String(jQuery(input).val());                        var isValid = true;                        for (var i = 0; i < text.length; i++) {                            if (valid.indexOf(text.charAt(i)) == -1)                                isValid = false;                        }                        if (isValid) {                            var number = new Number(text.replace(group, ‘‘).replace(dec, ".").replace(neg, "-"));                            var returnString = "";                            var decimalValue = http://www.mamicode.com/number % 1;                            if (options.format.indexOf(".") > -1) {                                var decimalPortion = dec;                                var decimalFormat = options.format.substring(options.format.lastIndexOf(".") + 1);                                var decimalString = new String(decimalValue.toFixed(decimalFormat.length));                                decimalString = decimalString.substring(decimalString.lastIndexOf(".") + 1);                                for (var i = 0; i < decimalFormat.length; i++) {                                    if (decimalFormat.charAt(i) == ‘#‘ && decimalString.charAt(i) != ‘0‘) {                                        decimalPortion += decimalString.charAt(i);                                        break;                                    }                                    else if (decimalFormat.charAt(i) == "0") {                                        decimalPortion += decimalString.charAt(i);                                    }                                }                                returnString += decimalPortion                            }                            else                                number = Math.round(number);                            var ones = Math.floor(number);                            var onePortion = "";                            if (ones == 0) {                                onePortion = "0";                            }                            else {                                // find how many digits are in the group                                var onesFormat = "";                                if (options.format.indexOf(".") == -1)                                    onesFormat = options.format;                                else                                    onesFormat = options.format.substring(0, options.format.indexOf("."));                                var oneText = new String(ones);                                var groupLength = 9999;                                if (onesFormat.lastIndexOf(",") != -1)                                    groupLength = onesFormat.length - onesFormat.lastIndexOf(",") - 1;                                var groupCount = 0;                                for (var i = oneText.length - 1; i > -1; i--) {                                    onePortion = oneText.charAt(i) + onePortion;                                    groupCount++;                                    if (groupCount == groupLength && i != 0) {                                        onePortion = group + onePortion;                                        groupCount = 0;                                    }                                }                            }                            returnString = onePortion + returnString;                            if (number < 0)                                returnString += neg;                            if (jQuery(this).is(":input"))                                jQuery(this).val(returnString);                            else                                jQuery(this).text(returnString);                        }                    }     // end 失去焦点后字符串格式化                 })                input.bind("paste", function() {                    var s = clipboardData.getData(‘text‘);                    if (!//D/.test(s));                    value = http://www.mamicode.com/s.replace(/^0*/, ‘‘);                    return false;                })                input.bind("dragenter", function() {                    return false;                })                input.bind("keyup", function() {                    if (input.val() != null && input.val() != ‘‘) {                        if (input.val().indexOf(".") == -1) {                            return true;                        }                        else {                            var decimalIndex = input.val().indexOf(‘.‘);                            var decimalPart = input.val().substring(decimalIndex + 1, input.val().length);                            if (decimalPart.length == len) {                                decimal_point = true;                                return false;                            }                            else                                return true;                        }                    }                    else {                        decimal_point = false;                        return false;                    }                });            });        }    });    function formatCodes(locale) {        // default values        var valid = "1234567890.,-";        var dec = ".";        var group = ",";        var neg = "-";        if (locale == "us" || locale == "cn" || locale == "tw") {            valid = "1234567890.,-";            dec = ".";            group = ",";        }        return new FormatData(valid, dec, group, neg);    };    function FormatData(valid, dec, group, neg) {        this.valid = valid;        this.dec = dec;        this.group = group;        this.neg = neg;    };})(jQuery);