util.js
3.04 KB
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function refreshOpener(){
try{
if(opener != null && opener.onRefresh != null){
opener.onRefresh();
}
}catch(e){
}
}
//替换ajax传递特殊符号
function filter(str){
str = str.replace(/\+/g,"%2B");
str = str.replace(/\&/g,"%26");
return str;
}
function Map() {
var struct = function(key, value) {
this.key = key;
this.value = value;
}
var put = function(key, value){
for (var i = 0; i < this.arr.length; i++) {
if ( this.arr[i].key === key ) {
this.arr[i].value = value;
return;
}
}
this.arr[this.arr.length] = new struct(key, value);
}
var get = function(key) {
for (var i = 0; i < this.arr.length; i++) {
if ( this.arr[i].key === key ) {
return this.arr[i].value;
}
}
return null;
}
var remove = function(key) {
var v;
for (var i = 0; i < this.arr.length; i++) {
v = this.arr.pop();
if ( v.key === key ) {
continue;
}
this.arr.unshift(v);
}
}
var size = function() {
return this.arr.length;
}
var isEmpty = function() {
return this.arr.length <= 0;
}
this.arr = new Array();
this.get = get;
this.put = put;
this.remove = remove;
this.size = size;
this.isEmpty = isEmpty;
}
/**
Number.prototype.toFixed=function(len)
{
var tempNum = 0;
var s,temp;
var s1 = this + "";
var start = s1.indexOf(".");
//截取小数点后,0之后的数字，判断是否大于5，如果大于5这入为1
if(s1.substr(start+len+1,1)>=5)
tempNum=1;
//计算10的len次方,把原数字扩大它要保留的小数位数的倍数
var temp = Math.pow(10,len);
//求最接近this * temp的最小数字
//floor() 方法执行的是向下取整计算，它返回的是小于或等于函数参数，并且与之最接近的整数
s = Math.floor(this * temp / temp) + tempNum;
alert(4.52*100);
return s/temp;
}
*/
Number.prototype.toFixed=function (d)
{
var s=this+"";
if(!d)d=0;
if(s.indexOf(".")==-1)s+=".";
s+=new Array(d+1).join("0");
if(new RegExp("^(-|\\+)?(\\d+(\\.\\d{0,"+(d+1)+"})?)\\d*$").test(s))
{
var s="0"+RegExp.$2,pm=RegExp.$1,a=RegExp.$3.length,b=true;
if(a==d+2){
a=s.match(/\d/g);
if(parseInt(a[a.length-1])>4)
{
for(var i=a.length-2;i>=0;i--){
a[i]=parseInt(a[i])+1;
if(a[i]==10){
a[i]=0;
b=i!=1;
}else break;
}
}
s=a.join("").replace(new RegExp("(\\d+)(\\d{"+d+"})\\d$"),"$1.$2");
}if(b)s=s.substr(1);
return (pm+s).replace(/\.$/,"");
}return this+"";
};