复制代码 代码如下:

//--------------------------------------------

// 删除千分点。

//--------------------------------------------

function removeComma(number) {

var num = number.replace(new RegExp(",","g"),"");

if(/^[-+]?[0-9]+(.[0-9]+)?$/.test(num)) {

return num;

} else {

return number;

}

}

//--------------------------------------------

//添加千分点。

//--------------------------------------------

function addKannma(number) {

var num = number.replace(new RegExp(",","g"),"");

// 正负号处理

var symble = "";

if(/^([-+]).*$/.test(num)) {

symble = num.replace(/^([-+]).*$/,"$1");

num = num.replace(/^([-+])(.*)$/,"$2");

}

if(/^[0-9]+(.[0-9]+)?$/.test(num)) {

var num = num.replace(new RegExp("^[0]+","g"),"");

if(/^./.test(num)) {

num = "0" + num;

}

var decimal = num.replace(/^[0-9]+(.[0-9]+)?$/,"$1");

var integer= num.replace(/^([0-9]+)(.[0-9]+)?$/,"$1");

var re=/(d+)(d{3})/

while(re.test(integer)){

integer=integer.replace(re,"$1,$2")

}

return symble + integer+ decimal;

} else {

return number;

}

}