js格式化货币操作

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所属分类:JQuery/Js 技术杂谈
// 价格,小数点后几位,替换$,千分位显示什么符号默认','  ,  小数点'.'
    function formatMoney(number, places, symbol, thousand, decimal) {
        number = number || 0;
        places = !isNaN(places = Math.abs(places)) ? places : 2;
        symbol = symbol !== undefined ? symbol : "$";
        thousand = thousand || ",";
        decimal = decimal || ".";
        var negative = number < 0 ? "-" : "",
            i = parseInt(number = Math.abs(+number || 0).toFixed(places), 10) + "",
            j = (a = i.length) > 3 ? a % 3 : 0;
        return symbol + negative + (j ? i.substr(0, j) + thousand : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + thousand) + (places ? decimal + Math.abs(number - i).toFixed(places).slice(2) : "");
}

formatMoney(12345.67) // $12,345.67
formatMoney(12345.67 , 3 , "¥") // ¥12,345.670

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