阿拉伯数字转成大写

function NoToChinese(num) {if (!/^\d*(\.\d*)?$/.test(num)) {alert("Number is wrong!"); return "Number is wrong!"; } var AA = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"); var BB = new Array("", "拾", "佰", "仟", "萬", "億", "点", ""); var a = ("" + num).replace(/(^0*)/g, "").split("."), k = 0, re = ""; for (var i = a[0].length - 1; i >= 0; i--){switch (k) { case 0: re = BB[7] + re; break; case 4: if (!new RegExp("0{4}\\d{" + (a[0].length - i - 1) + "}$").test(a[0])){re = BB[4] + re; }break; case 8: re = BB[5] + re; BB[7] = BB[5]; k = 0; break; }if (k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0){re = AA[0] + re; }if (a[0].charAt(i) != 0){re = AA[a[0].charAt(i)] + BB[k % 4] + re;}k++; }if(a.length > 1){//加上小数部分(如果有小数部分) re += BB[6];for (var i = 0; i < a[1].length; i++){re += AA[a[1].charAt(i)]; }}return re;
}

　　

 console.log(NoToChinese(565690));