function toDecimal2(x) {

var f = parseFloat(x);

if (isNaN(f)) {

return false;

}

var f = Math.round(x*100)/100;

var s = f.toString();

var rs = s.indexOf('.');

if (rs < 0) {

rs = s.length;

s += '.';

}

while (s.length <= rs + 2) {

s += '0';

}

return s;

}

//-------调用

var val;

val=obj[i].value.replace('[','');

val=val.replace(']','');

var arr= val.split(',');

var v1 = toDecimal2(arr[0]);