//===============系统扩展函数=========================================
function $(id){return document.getElementById(id);}
//定义StringBuilder类
var StringBuilder = function()
{
this._sArray = new Array();
}
StringBuilder.prototype.append = function(str)
{
this._sArray.push(str);
}
StringBuilder.prototype.toString = function()
{
return this._sArray.join('');
}
//定义String的trim方法
String.prototype.trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
//--------------------------------------------
//VML画走势图的相关方法
//HTML页面的下面这行不能要：
//
//
//--------------------------------------------
document.write("");
document.write("");
//获取HTML对象的中心位置，返回字符：x,y
function getObjCenterPosition(element)
{
if(arguments.length != 1 || element == null){return null;}
var offsetTop = element.offsetTop;
var offsetLeft = element.offsetLeft;
var offsetWidth = element.offsetWidth;
var offsetHeight = element.offsetHeight;
while( element = element.offsetParent)
{
offsetTop += element.offsetTop;
offsetLeft += element.offsetLeft;
}
var x = offsetLeft + offsetWidth/2;
var y = offsetTop + offsetHeight/2;
return parseInt(x) + "," + parseInt(y);
}
//多条直线画多边形：aryObjIds:html对象IDS
function WriteVMLShape(strObjIds, color, size)
{
var strColor = color == null ? "#000000" : color;
var strSize = size == null ? 1 : size;
var html = "";
var aryObjIds = strObjIds.split(",");
var tempDom = document.createDocumentFragment();
for (var i = 1; i < aryObjIds.length; i++) {
var objFrom = document.getElementById(aryObjIds[i - 1]);
var objTo = document.getElementById(aryObjIds[i]);
var fromX = parseInt(getObjCenterPosition(objFrom).split(",")[0], 10);
var fromY = parseInt(getObjCenterPosition(objFrom).split(",")[1], 10);
var toX = parseInt(getObjCenterPosition(objTo).split(",")[0], 10);
var toY = parseInt(getObjCenterPosition(objTo).split(",")[1], 10);
var pX = fromX < toX ? fromX : toX;
var pY = fromY < toY ? fromY : toY;
if (document.all) {
html += "";
}
else {
var cvs = document.createElement('canvas');
cvs.style.position = "absolute";
cvs.style.left = pX + "px";
cvs.style.top = pY + "px";
cvs.width = Math.abs(toX - fromX);
cvs.height = Math.abs(toY - fromY);
var beginX = fromX < toX ? 0 : cvs.width;
var beginY = fromY < toY ? 0 : cvs.height;
cvs.width = cvs.width == 0 ? 1 : cvs.width;
var FG = cvs.getContext("2d");
FG.save(); //缓存历史设置
FG.strokeStyle = strColor;
FG.lineWidth = strSize;
FG.globalAlpha = 0.4; //透明度；
FG.beginPath();
FG.moveTo(beginX, beginY);
FG.lineTo(cvs.width - beginX, cvs.height-beginY);
FG.closePath();
FG.stroke();
FG.restore();
cvs.style.width = cvs.width + "px";
cvs.style.height = cvs.height + "px";
tempDom.appendChild(cvs);
}
}
if (document.all) {
document.getElementById("divVMLLabel").innerHTML += html;
} else {
document.body.appendChild(tempDom);
}
}
function DrawRate(max, iValue)
{
var rate = parseInt(iValue*100/max, 10);
html = "";
// html += "| |
";
html += " |
";
html += "
";
return html;
}
//计算一组数字的AC值,用半角逗号分隔
function GetAC(strValues)
{
var aryValues = strValues.split(",");
var strDiffValues = ",";
for(var i=0;i=0){}
else
{
strDiffValues += iDiffValue + ",";
}
}
}
}
var aryDiffValues = strDiffValues.split(",");
return aryDiffValues.length - 2 - aryValues.length + 1;
}
function GetBigSmallStatus(strValues)
{
var aryValues = strValues.split(",");
var strReturn="";
var bigCount=0;
var smallCount=0;
for(var i=0;i4?"大":"小";
}
else
{
strReturn += parseInt(aryValues[i],10)>4?",大":",小";
}
bigCount+= parseInt(aryValues[i],10)>4?1:0;
smallCount+=parseInt(aryValues[i],10)>4?0:1;
}
return strReturn+"="+bigCount+"："+smallCount ;
}
//是否质数
function IsPrimeNumber(number)
{
var aryPrimeNumber = new Array(1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31);
var blIsPrimeNumber = false;
var iNumber = parseInt(number, 10);
for(var i=0;i=1;i--)
{
if(parseInt(array[i-1],10) == parseInt(array[i],10))
{
array.splice(i,1);//splice（）方法的应用
}
}
for(var i=0;i=1;i--)
{
if(parseInt(array[i-1],10) == parseInt(array[i],10))
{
array.splice(i,1);//splice（）方法的应用
}
}
for(var i=0;i