js鼠标悬停展示对应的数字金额（保留两位小数）的中文名称

悬浮展示中文金额效果

js代码（格式化的函数）

   function formatNumber(num) {
    
        if (!/^(\+|-)?(\d+)(\.\d+)?$/.test(num)) {
    
            return num;
        }
        var a = RegExp.$1, b = RegExp.$2, c = RegExp.$3;
        var re = new RegExp("(\\d)(\\d{3})(,|$)");
        while (re.test(b)) b = b.replace(re, "$1,$2$3");
        var value = addChineseUnit(num, 5);
        var content = '';
        if (value != undefined) {
    
            //style="text-decoration: none"属性让超链接a下面不再显示下划线
            content = '<div href="#" title="' + value + '" class="easyui-tooltip easyui-linkbutton" style="text-decoration: none">' + (a + "" + b + "" + c) + '</div>';
        }
        return content;
    }
    /*添加中文金额显示*/
    function addChineseUnit(number, decimalDigit) {
    
        var addWan = function (integer, number, mutiple, decimalDigit) {
    
            var digit = getDigit(integer);
            if (digit > 3) {
    
                var remainder = digit % 8;
                if (remainder >= 5) {
       // ‘十万’、‘百万’、‘千万’显示为‘万’
                    remainder = 4;
                }
                return Math.round(number / Math.pow(10, remainder + mutiple - decimalDigit)) / Math.pow(10, decimalDigit) + '万';
            } else {
    
                return Math.round(number / Math.pow(10, mutiple - decimalDigit)) / Math.pow(10, decimalDigit);
            }
        };
        var getDigit = function (integer) {
    
            var digit = -1;
            while (integer >= 1) {
    
                digit++;
                integer = integer / 10;
            }
            return digit;
        };
        return function (number, decimalDigit) {
    
            decimalDigit = decimalDigit == null ? 2 : decimalDigit;
            var integer = Math.floor(number);
            var digit = getDigit(integer);
            var unit = [];
            if (digit > 3) {
    
                var multiple = Math.floor(digit / 8);
                if (multiple >= 1) {
    
                    var tmp = Math.round(integer / Math.pow(10, 8 * multiple));
                    unit.push(addWan(tmp, number, 8 * multiple, decimalDigit));
                    for (var i = 0; i < multiple; i++) {
    
                        unit.push('亿');
                    }
                    return unit.join('');
                } else {
    
                    return addWan(integer, number, 0, decimalDigit);
                }
            } else {
    
                return number;
            }
        }(number, decimalDigit);
    }

easyui的表格field字段写法

{
    
                      field: 'budgetAvailableAmount',
                       op: 'sum',
                       title: "可用金额",
                       width: '15%',
                       formatter: function (value) {
    
                           return formatNumber(value);
                       }
}