学步园

1.透明类 ImageToTrans

using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.InteropServices;
using System.Collections;

        public static Bitmap MakeTransparentGif(Bitmap bitmap, Color color)
        {
            byte R = color.R;
            byte G = color.G;
            byte B = color.B;
            MemoryStream fin = new MemoryStream();
            bitmap.Save(fin, System.Drawing.Imaging.ImageFormat.Gif);
            MemoryStream fout = new MemoryStream((int)fin.Length);
            int count = 0;
            byte[] buf = new byte[256];
            byte transparentIdx = 0;
            fin.Seek(0, SeekOrigin.Begin);
            //header   
            count = fin.Read(buf, 0, 13);
            if ((buf[0] != 71) || (buf[1] != 73) || (buf[2] != 70)) return null; //GIF   
            fout.Write(buf, 0, 13);
            int i = 0;
            if ((buf[10] & 0X80) > 0)
            {
                i = 1 << ((buf[10] & 7) + 1) == 256 ? 256 : 0;
            }
            for (; i != 0; i--)
            {
                fin.Read(buf, 0, 3);
                if ((buf[0] == R) && (buf[1] == G) && (buf[2] == B))
                {
                    transparentIdx = (byte)(256 - i);
                }
                fout.Write(buf, 0, 3);
            }
            bool gcePresent = false;
            while (true)
            {
                fin.Read(buf, 0, 1);
                fout.Write(buf, 0, 1);
                if (buf[0] != 0X21) break;
                fin.Read(buf, 0, 1);
                fout.Write(buf, 0, 1);
                gcePresent = (buf[0] == 0xf9);
                while (true)
                {
                    fin.Read(buf, 0, 1);
                    fout.Write(buf, 0, 1);
                    if (buf[0] == 0) break;
                    count = buf[0];
                    if (fin.Read(buf, 0, count) != count) return null;
                    if (gcePresent)
                    {
                        if (count == 4)
                        {
                            buf[0] = 0X01;
                            buf[3] = transparentIdx;
                        }
                    }
                    fout.Write(buf, 0, count);
                }
            }
            while (count > 0)
            {
                count = fin.Read(buf, 0, 1);
                fout.Write(buf, 0, 1);
            }
            fin.Close();
            fout.Flush();
            return new Bitmap(fout);
        } 

=================================================

2.所用JS1 veryide.color.js

 

/*
* Copyright VeryIDE,2007-2008
* http://www.veryide.com/
* 
* $Id: veryide.color.js,v1.1 18:48 2008-11-19 leilei $
*/

/*
 onfocus="VeryIDE.Color(this)"
*/

VeryIDE.Color=function(o,i,s,f){
 

    VeryIDE.tmpColorA=o;
    VeryIDE.tmpColorB=arguments[1];
    VeryIDE.tmpColorF=f;
   
    //随机ID
    if(!VeryIDE.tmpID){
  VeryIDE.tmpID=getRnd(10);
    }
   
    var id=VeryIDE.tmpID;
   
    var color='';
    if(o.tagName=="IMG"){
  color=VeryIDE.tmpColorB.value;
    }else{
  color=o.value;
    }
   
    color?color:'#eeeeee';

 var active=['#fff','','#0A66EE','#EEEEEE'];
    o.onkeyup=this;
   
    var pos=new getPosition(o);
   
    var obj=$(id);
    if(obj){
   delElement(id);
    }
   
 var obj=document.createElement("DIV");
  obj.id=id;
  
  with(obj.style){
   backgroundColor = "#f9f8f7";
   border = "solid #999999 1px";
   fontSize = "12px";
   position="absolute";
   top=pos.top+pos.height+"px";
   left=pos.left+"px";
  }

    var colorlist=["#000000","#000033","#000066","#000099","#0000cc","#0000ff","#003300","#003333","#003366","#003399","#0033cc","#0033ff","#006600","#006633","#006666","#006699","#0066cc","#0066ff","#009900","#009933","#009966","#009999","#0099cc","#0099ff","#00cc00","#00cc33","#00cc66","#00cc99","#00cccc","#00ccff","#00ff00","#00ff33","#00ff66","#00ff99","#00ffcc","#00ffff","#330000","#330033","#330066","#330099","#3300cc","#3300ff","#333300","#333333","#333366","#333399","#3333cc","#3333ff","#336600","#336633","#336666","#336699","#3366cc","#3366ff","#339900","#339933","#339966","#339999","#3399cc","#3399ff","#33cc00","#33cc33","#33cc66","#33cc99","#33cccc","#33ccff","#33ff00","#33ff33","#33ff66","#33ff99","#33ffcc","#33ffff","#660000","#660033","#660066","#660099","#6600cc","#6600ff","#663300","#663333","#663366","#663399","#6633cc","#6633ff","#666600","#666633","#666666","#666699","#6666cc","#6666ff","#669900","#669933","#669966","#669999","#6699cc","#6699ff","#66cc00","#66cc33","#66cc66","#66cc99","#66cccc","#66ccff","#66ff00","#66ff33","#66ff66","#66ff99","#66ffcc","#66ffff","#990000","#990033","#990066","#990099","#9900cc","#9900ff","#993300","#993333","#993366","#993399","#9933cc","#9933ff","#996600","#996633","#996666","#996699","#9966cc","#9966ff","#999900","#999933","#999966","#999999","#9999cc","#9999ff","#99cc00","#99cc33","#99cc66","#99cc99","#99cccc","#99ccff","#99ff00","#99ff33","#99ff66","#99ff99","#99ffcc","#99ffff","#cc0000","#cc0033","#cc0066","#cc0099","#cc00cc","#cc00ff","#cc3300","#cc3333","#cc3366","#cc3399","#cc33cc","#cc33ff","#cc6600","#cc6633","#cc6666","#cc6699","#cc66cc","#cc66ff","#cc9900","#cc9933","#cc9966","#cc9999","#cc99cc","#cc99ff","#cccc00","#cccc33","#cccc66","#cccc99","#cccccc","#ccccff","#ccff00","#ccff33","#ccff66","#ccff99","#ccffcc","#ccffff","#ff0000","#ff0033","#ff0066","#ff0099","#ff00cc","#ff00ff","#ff3300","#ff3333","#ff3366","#ff3399","#ff33cc","#ff33ff","#ff6600","#ff6633","#ff6666","#ff6699","#ff66cc","#ff66ff","#ff9900","#ff9933","#ff9966","#ff9999","#ff99cc","#ff99ff","#ffcc00","#ffcc33","#ffcc66","#ffcc99","#ffcccc","#ffccff","#ffff00","#ffff33","#ffff66","#ffff99","#ffffcc","#ffffff"];
   
 var ocbody;
 ocbody = '<table border="0" cellspacing="3" cellpadding="0" style="font-size:12px;cursor:default;line-height:20px;">';
   
    ocbody += "<tr height=\"20\"><td colspan=\"4\" bgcolor=\""+color+"\"><td><td colspan=\"3\" style=\"font-size:12px;\" align=\"center\">当前颜色</td>";
   
    ocbody += "<td colspan=\"2\"><td><td align=\"center\" height=\"20\" colspan=\"8\" onMouseOut=\"this.style.borderColor='"+active[0]+"';this.bgColor='"+active[1]+"';\" onMouseOver=\"this.style.borderColor='"+active[2]+"';this.bgColor='"+active[3]+"';\"  onclick=\"window.open('http://www.i2up.com/lab/flash.color.php','_color');\" style=\"border:"+active[0]+" 1px solid;\">其它颜色</td>";
   
    ocbody += "<td colspan=\"2\"><td><td align=\"center\" colspan=\"2\" style='background:#666;color:#fff;' onclick='VeryIDE.Color.close(\"color\");'>关闭</td></tr>";
   
  for(var i=0;i<colorlist.length;i++){
   if(i%24==0){
    ocbody += "<tr>";
   }
    ocbody += "<td width=\"16\" height=\"18\" style=\"border:"+active[0]+" 1px solid;\" onMouseOut=\"this.style.borderColor='"+active[0]+"';this.bgColor='"+active[1]+"';\" onMouseOver=\"this.style.borderColor='"+active[2]+"';this.bgColor='"+active[3]+"';\" onMouseDown=\"VeryIDE.Color.select('"+colorlist[i]+"','"+s+"')\" align=\"center\" valign=\"middle\"><table style=\"border:1px solid #808080;\" width=\"14\" height=\"14\" bgcolor=\""+colorlist[i]+"\"><tr><td></td></tr></table></td>";

   if(i%24==23){
    ocbody += "</tr>";
   }
  }
   
    ocbody += "</table>";

 obj.innerHTML=ocbody;
    document.body.appendChild(obj);
   
}

VeryIDE.Color.select=function(color,select){
    var o=VeryIDE.tmpColorA;
   
    if(typeof(VeryIDE.tmpColorF)=="function"){
  VeryIDE.tmpColorF(color);
    }
   
    if(select=="rgb"){
  var colorValue=VeryIDE.Color.rgb(color);
    }else{
  var colorValue=color;
    }
   
    if(o.tagName=="IMG"){
  o.style.backgroundColor=color;
  
  VeryIDE.tmpColorB.value=colorValue;
    }else{
  o.style.color=color;
  
  o.value=colorValue;
    }
 delElement(VeryIDE.tmpID);
}

VeryIDE.Color.close=function(){
    delElement(VeryIDE.tmpID);
}

VeryIDE.Color.rgb=function(hexColor){
 var a=hexColor;
 if(a.substr(0,1)=="#"){a=a.substring(1);}
 if(a.length!=6){return alert("请输入正确的颜色编码！");}
 a=a.toLowerCase()

 var b=new Array();
 for(x=0;x<3;x++){
  b[0]=a.substr(x*2,2)
  b[3]="0123456789abcdef";b[1]=b[0].substr(0,1)
  b[2]=b[0].substr(1,1)
  b[20+x]=b[3].indexOf(b[1])*16+b[3].indexOf(b[2])
 }
 return b[20]+","+b[21]+","+b[22];
}

VeryIDE.Color.hex=function(rgbColor){
 var hexcode="#";
 for(x=0;x<3;x++){
  var n=r1e[x].value;
  if(n==""){n="0";}
  
  if(parseInt(n)!=n){
   return alert("请输入数字！");
  }
  if(a<0 && a>255){
   return alert("数字在0－255之间！");
  }
  var c="0123456789abcdef";
  var b="";
  var a=n%16;b=c.substr(a,1)
  a=(n-a)/16;hexcode+=c.substr(a,1)+b
 }
 return hexcode;
}

/*state*/
VeryIDE.script["color"]=true;

============================================================

js  :veryide.core.js

==============================================================

 

/*
* Copyright VeryIDE,2007-2008
* http://www.veryide.com/
* 
* $Id: veryide.core.js v1.2 19:47 2008-2-18 leilei $
*/

var VeryIDE={

 /*config*/
 site  :"VeryIDE",
 url   :"http://"+location.host+"/",
 domain :location.host,
 path  :"/veryide/",

 /*version*/
 version  :1.2,
 versionBuild : 20080904,
 
 /*developer*/
 developer   : "VeryIDE.Com",
 developerWeb : "http://www.veryide.com",

 /*event*/
 mouseX:0,
 mouseY:0,
 
 /*inti*/
 inti:null,
 layer:100,
 temp:"",
 
 /*script*/
 script:[],
 
 /*debug*/
 debug:false,
 
 /*info*/
 title:document.title,
 url:location.href,
 host:location.host,
 
 /*random*/
 rnd:Math.random(),
 getRnd:function(){
  return Math.random();
 },
 
 /*ui*/
 screenW:screen.width,
 screenH:screen.height,
 bodyW:document.documentElement.scrollWidth,
 bodyH:document.documentElement.scrollHeight,
 
 /*analytics*/
 referrer:document.referrer,
 isSearch:(/(baidu|yahoo|google|sogou|zhongsou|soso|youdao|tom|yisou|vnet|china|live|msn)\.(cn|com|net)/.test(document.referrer)),
 isIE   :false,
 isOpera  :false,
 isSafari  :false,
 isFirefox  :false,
 isMaxthon :false,
 appName:"",
 appVersion:"",
 appLang:"",

 /*load*/
 start:function(){
  /*powered*/
  VeryIDE.powered="Powered by <a href='http://www.veryide.com/?version="+VeryIDE.version+"&versionBuild="+VeryIDE.versionBuild+"&developer="+VeryIDE.developer+"&from="+location.host+"' title='VeryIDE' target='_blank'>VeryIDE</a> &amp; <a href='"+VeryIDE.developerWeb+"' title='"+VeryIDE.developerWeb+"' target='_blank'>"+VeryIDE.developer+"</a>",

 
  /*folder*/
  VeryIDE.folder={
   js    : VeryIDE.path+"js/",
   xml   :  VeryIDE.path+"xml/",
   skin  : VeryIDE.path+"skins/",
   icon  : VeryIDE.path+"images/icon/",
   cache  :  VeryIDE.path+"cache/",
   images : VeryIDE.path+"images/",
   plugins : VeryIDE.path+"plugins/"
  }

  /*browse*/
  switch (navigator.appName){
   case "Microsoft Internet Explorer":{
    VeryIDE.appName = "ie";
    var reg = /^.+MSIE (\d+\.\d+);.+$/;
    VeryIDE.isIE=true;
    
    if(navigator.userAgent.indexOf ("MAXTHON") != -1){
     VeryIDE.isMaxthon=true;
     var regMax = /^.+MAXTHON ([\d\.]+).{0,}$/;
     VeryIDE.maxVersion=navigator.userAgent.replace (regMax, "$1");
    }
    
    break;
   }default:{
    if (navigator.userAgent.indexOf ("Safari") != -1){
     VeryIDE.appName = "safari";
     var reg = /^.+Version\/([\d\.]+?) Safari.+$/;
     VeryIDE.isSafari=true;
    }else if (navigator.userAgent.indexOf ("Opera") != -1){
     VeryIDE.appName = "opera";
     var reg = /^.{0,}Opera\/(.+?) \(.+$/;
     VeryIDE.isOpera=true;
    }else{
     VeryIDE.appName = "firefox";
     var reg = /^.+Firefox\/([\d\.]+).{0,}$/;
     VeryIDE.isFirefox=true;
    }
   }
   break;
  }
     VeryIDE.appVersion = navigator.userAgent.replace (reg, "$1");
     
  if(!VeryIDE.isIE){
   var lang=navigator.language;
  }else{
   var lang=navigator.browserLanguage;
  }
  VeryIDE.appLang=lang.toLowerCase();
     
  /*bg cache*/
  if(VeryIDE.isIE && !VeryIDE.appVersion<7){
   try{
    //document.documentElement.addBehavior("#default#userdata");
    VeryIDE.getDocment().addBehavior("#default#userdata");
    document.execCommand("BackgroundImageCache", false, true);
   }catch(e){}
  }      
     
    },
   
 /*document*/
 getDocment:function(){
  var doc= (document.compatMode=="BackCompat"?document.body:document.documentElement);
  return doc;
 },
 
 /*script*/
 loadScript:function(name){
  if(VeryIDE.script[name]) return true;
 
  var root=document.getElementsByTagName("HEAD")[0];
  
  var script=document.createElement("script");
  script.type="text/javascript";
  script.src=VeryIDE.folder.js +"veryide."+ name+".js";
  root.appendChild(script);
 },
 
 showScript:function(){
  var str="";
  for(var key in VeryIDE.script){
   str+="veryide."+key+".js"+"\n";
  }
  alert(str);
 },
 
 showNavigator:function(){
  var str="";
  for(var key in navigator){
   str+= key+": "+navigator[key]+"\n";
  }
  alert(str);
 }, 
 
 /*event*/
 getMouse:function(e){
  if(!document.all){
   VeryIDE.mouseX = e.pageX;
   VeryIDE.mouseY = e.pageY;
  }else{
   VeryIDE.mouseX = e.x + VeryIDE.getDocment().scrollLeft;
   VeryIDE.mouseY = e.y + VeryIDE.getDocment().scrollTop;
  }
 },
 
 /*status*/
 setStatus:function(str){
  window.status=str;
 },
  
 /*message*/
 showMessage:function(str,fun){
  if (typeof fun != 'function') {
   alert(str.replace("<br />","\n\n"));
  }else{
   fun(str);
  }
 },

 /*test*/
 test:function(){
  // <input type="button" class="input-button" value="测 试" onclick="VeryIDE.test();" />
  VeryIDE.showError("拖动框测试<br />拖动框测试<br />拖动框测试");
 }
 
}

VeryIDE.start();

/*state*/
VeryIDE.script["core"]=true;

===================================================

   js :veryide.library.js

===================================================

 

/*
* Copyright VeryIDE,2007-2008
* http://www.veryide.com/
* 
* $Id: veryide.library.js,v2.3 17:29 2008-11-16 leilei $
*/

function $(obj){return document.getElementById(obj);}
function $N(obj){return document.getElementsByName(obj);}
function $T(obj){return document.getElementsByTagName(obj);}

function $V(str){document.write(str);}

//body load
function addLoadEvent(func) {
 var oldonload = window.onload;
 if (typeof window.onload != 'function') {
  window.onload = func;
 } else {
  window.onload = function() {
   oldonload();
   func();
  }
 }
}

//object event
function addObjectEvent(ele,evt,func){
 var oldonevent = ele['on'+evt];
 if (typeof ele['on'+evt] != 'function') {
  ele['on'+evt] = func;
 } else {
  ele['on'+evt] = function(event) {
   oldonevent(event);
   func(event);
  }
 }
}

//key event
function addKeyEvent(key,func){
 if(!VeryIDE.tmpKey){
  VeryIDE.tmpKey=[];
 }
 
 VeryIDE.tmpKey["k"+key]=func;
}

addKeyEvent.Listener=function(e,test){
 var event=e||window.event;
 if(VeryIDE.tmpKey["k"+event.keyCode]){
  VeryIDE.tmpKey["k"+event.keyCode](event);
 }
 if(test){
  alert(event.keyCode);
 }
}
//onkeydown判断charCode/keyCode

//获取对象
function getObject(o){
 if(typeof(o)!="object"){
  var o=$(o);
 }
 return o;
}

/*
String.prototype.trim = function(){
   return this.replace(/(^\s+)|\s+$/g,"");
}
*/

String.prototype.Trim = function(){
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
String.prototype.LTrim = function(){
    return this.replace(/(^\s*)/g, "");
}
String.prototype.Rtrim = function(){
    return this.replace(/(\s*$)/g, "");
}

//返回字符串字节数
String.prototype.long = function(){
 var i;
 var l = this.length;
 var len;
 len = 0;
 for (i=0;i<l;i++){
  if (this.charCodeAt(i)>255)
   len+=2;
  else
   len++;
 }
 return len;
}

//检查在数组内是否存在某值
function inArray(a,v) {
 var l = a.length;
 for(var i=0; i<=l; i++) {
  if(a[i]==v) return true;
 }
 return false;
}

//class为*的所有元素
document.getElementsByClassName = function() {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();
  var len = children.length;

  for (var i = 0; i < len; i++) {
    var child = children[i];
    var classNames = child.className.split(' ');
    for (var j = 0; j < classNames.length; j++) {
     for (var k = 0; k < arguments.length; k++) { 
   if (classNames[j] == arguments[k]) {
          elements.push(child);
          break;
        }
      }
    }
  }
 
  return elements;
}

//ID以*开头的所有元素
document.getElementsByPrefix = function(prefix) {
  var children = document.getElementsByTagName('*') || document.all;
  var elements = new Array();
  var len = children.length;
 
  for (var i = 0; i < len; i++) {
    var child = children[i];
    var eid = child.id;
    if(eid&&eid.indexOf(prefix)>-1)
        elements.push(child);
  }
 
  return elements;
}

/*查找页面Meta*/    
function getMeta(name,att){
  metatags = document.getElementsByTagName("meta");
  for (cnt = 0; cnt < metatags.length; cnt++){                  
    if(metatags[cnt].getAttribute("name")==name){
      if(!att){
        return metatags[cnt];
      }else{
        return metatags[cnt].getAttribute(att);
      }
    }else{
      return null;
    }
  }
}

//加载新脚本
function loadScript(src,target){
 if(!target){
  var root=$T("HEAD")[0];
 }else{
  var root=getObject(target);
 }
 
 var script=document.createElement("script");
 script.type="text/javascript";
 script.src=src;
 
 var code=arguments[2];
 if(code){
  script.charset=code;
 }
 
 root.appendChild(script);
}

//取得文件名
function getFileName(url){
 var strUrl=location.href;
 if(url){
  strUrl=url;
 }
 var arrUrl=strUrl.split("/");
 var strPage=arrUrl[arrUrl.length-1];
 return strPage;
}

//对象绝对位置
function getPosition(obj){ 
 var obj=getObject(obj);

 this.width=obj.offsetWidth;
 this.height=obj.offsetHeight; 
 this.top=obj.offsetTop; 
 this.left=obj.offsetLeft; 
 while(obj=obj.offsetParent){ 
  this.top+=obj.offsetTop; 
  this.left+=obj.offsetLeft;
 }
}

function getSelect(obj){
 var obj=getObject(obj);
 
 this.value="";
 this.text="";
 this.index="";
 
 if(obj.length>0){
  this.value=obj[obj.selectedIndex].value;
  this.text=obj[obj.selectedIndex].text;
  this.index=obj.selectedIndex;
 }
 this.getAtt=function(att){
  return obj[obj.selectedIndex].getAttribute(att);
 }
}

//
function getRadio(obj){
 var obj=$N(obj);
 var len = obj.length;
 
 this.value="";
 for(var i=0;i<len;i++){
  if(obj[i].checked==true){
   this.value=obj[i].value;
   break;
  }
 }
}

 

//对象显示隐藏
function showHide(obj){
 var obj=getObject(obj);
 if(obj){
  if(obj.offsetHeight==0||obj.style.display== "none") {obj.style.display = "block";}else{obj.style.display = "none";}
 }
}

function setCheckBox(obj,v){
 var obj=$N(obj);

 if(obj[0]){
  var len = obj.length;
  for(var i=0;i<len;i++){
   if(obj[i].value==v){
    obj[i].checked=true;
   }else{
    obj[i].checked=false;
   }
  }
 }else{
  obj=$(obj);
  if(obj.value==v){
   obj.checked=true;
  }else{
   obj[i].checked=false;
  }
 }
}

//选择列表项
function setSelect(obj,v){
 var obj=$(obj);
 var len = obj.length;
 for(var i=0;i<len;i++){
  if(obj[i].value == v){
   obj.selectedIndex=i;
   break;
  }
 }
}

//选择单选项
function setRadio(o,v){  
 var obj=$N(o);
 var len = obj.length;
 for(var i=0;i<len;i++){
  if(obj[i].value == v){
   obj[i].checked=true;
   break;
  }
 }
}

//禁用对象
function setDisabled(obj,b){ 
 var obj=getObject(obj);
 if (obj){obj.disabled=b;}
}

function setClass(obj,Class,Type){
 var obj=getObject(obj);
 if(obj){
  switch(Type){
   case "+":
    obj.className+=" "+Class;
   break;
   
   case "-":
    obj.className=obj.className.replace(Class,"");
   break;
   
   case "":
    obj.className=Class;
   break;
   
  }
 }
}

//新建连续下接列表项
function newNumOption(obj,s,e,t){
 var obj=getObject(obj);
 if(t=="new"){obj.length=0;}
 for(var i=s;i<(e+1);i++){
  obj.options[obj.length] = new Option(i,i);
 }
}

//删除对象
function delElement(obj){
 var obj=getObject(obj);
 var p=obj.parentNode;
 p.removeChild(obj);
}

//确认操作
function getConfirm(info){
 if(!confirm(info)){return false}
}

//新窗口打开链接
//rel="_blank"
function _blank(){
 var anchors = document.getElementsByTagName("A");
 var len = anchors.length;
 for (var i=0; i<len; i++) {
  var anchor = anchors[i];
  if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "_blank"){
   anchor.target = "_blank";
  }
 }
}

//获取URL参数
function getQuery(n,url){
 if(!url){
  var url=location.href;
 }
 
 var v = '';
 var o = url.indexOf(n+"=");
 if (o != -1){
  o += n.length + 1 ;
  e = url.indexOf("&", o);
  if (e == -1){
   e = url.length;
  }
  v = unescape(url.substring(o, e));
 }
 
 //seo
 if(!v){
  var o = url.indexOf(n+"-");
  if (o != -1){
   o += n.length + 1 ;
   e = url.indexOf("-", o);
   if (e == -1){
    e = url.length;
   }
   v = unescape(url.substring(o, e));
  }
 }
 
 return v;
}

//全角转半角
function switchChar(str){
 var str1="1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
 var str2="１２３４５６７８９０ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚＡＢＣＤＥＦＧＨＩＪＫＬＭＮＯＰＱＲＳＴＵＶＷＸＹＺ";
 
 var len=str.length;
 for(var i=0; i<len; i++){
  var n = str2.indexOf(str.charAt(i));
  if(n != -1) str = str.replace(str.charAt(i), str1.charAt(n));
 }
 return str;
}

/*
 获取随机字符
 ***********
 len  长度
 vUpper 是否大写字母
 vLower 是否小写字母
 vNum  是否数字
*/
function getRnd(len,vUpper,vLower,vNum){
 var seed_array=new Array();
 var seedary;

 seed_array[0]=""
 seed_array[1]= "a b c d e f g h i j k l m n o p q r s t u v w x y z";
 seed_array[2]= "a b c d e f g h i j k l m n o p q r s t u v w x y z";
 seed_array[3]= "0 1 2 3 4 5 6 7 8 9";

 if (!vUpper&&!vLower&&!vNum){vUpper=true;vLower=true;vNum=true;}

 if (vUpper){seed_array[0]+=seed_array[1];}
 if (vLower){seed_array[0]+=" "+seed_array[2];}
 if (vNum){seed_array[0]+=" "+seed_array[3];}

 seed_array[0]= seed_array[0].split(" ");
 seedary="";
 
 for (var i=0;i<len;i++){
  seedary+=seed_array[0][Math.round(Math.random()*(seed_array[0].length-1))]
 }
 return(seedary);
}

/*
 获取cookies
 name cookie名称
 sub  子cookie名称
*/
function getCookie(name,sub){
 var str="";
 var arr = document.cookie.replace(/%25/g,"%").replace(/%5F/g,"_").match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));
 if(arr !=null){
  try{
   str=decodeURIComponent(arr[2]);
  }catch(e){
   str=arr[2];
  }
 }
 
 if(sub){
  if(str){
   var nSubValueBegin = str.indexOf(sub+"=");
  }else{
   var nSubValueBegin =-1
  }
  
  if(nSubValueBegin != -1){
   var nSubValueEnd = str.indexOf("&", nSubValueBegin);
   if(nSubValueEnd == -1)
   nSubValueEnd = str.length;
   var sSubValue = str.substring(nSubValueBegin + sub.length+1, nSubValueEnd);//获得指定的子键值
   str=sSubValue;
  }else{
   str="";
  }
 }
 return str;
}

function setCookie(key,value,iExpireDays,domain){
 var cookies=key.replace("_","%5F") + "=" + encodeURIComponent(value)+ "; ";
 
 if (iExpireDays){
  var dExpire = new Date();
  dExpire.setTime(dExpire.getTime()+parseInt(iExpireDays*24*60*60*1000));
  cookies += "expires=" + dExpire.toGMTString()+ "; ";
 }
 
 if(domain){
  cookies += "domain="+domain+"; ";
 }
 cookies += "path=/;";
 document.cookie = cookies;
}

/*state*/
VeryIDE.script["library"]=true;

=================================================

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