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关于UTF8��面中文COOKIE个�h解决办法

jacklau — Tue, 25 May 2010 05:40:00 GMT

关于UTF8��面中文COOKIE个�h解决办法�Q?br />
1.使用cgi语言��中文�{换成unicode�~�码�Q�如"\u****"�Q?br /> 2.��unicode�~�码写入cookie�Q?br /> 3.使用js转换此unicode�Q�如�Q?br /> unescape(CE.cookie.get("***").replace(/\\/g,"%"))

搞定�Q�不知道�q�有没有更好的解��x��案，或者该�Ҏ��是否存在一些漏�z�问题？�Q?

jacklau 2010-05-25 13:40 发表评论

jacklau — Tue, 26 Jan 2010 03:20:00 GMT

关于链接上面直接写javascript事�g的问题，今天�l�内讨论了一下，��写一下：

常见的写法有�Q?br />
1. //直接在href属性中执行fun事�g
2. //在onclick属性中执行fun事�g
3. //href属性指�?#"�Q�而onclick事�g中return false��L��默认行�ؓ

最�l�投��决定��用第三种�Ҏ��Q�前两种�Ҏ��在IE6都会是gif或其他可以动��L��果的东东静止掉。。。具体原因应该是��览器渲染问题吧�Q�呵�?br />
�W�三�U�方法也有用到针对SEO斚w��的应用，比如我有一个连接是��C��个静态页面a.html�Q�但是由于需求方面的问题需要通过一个cgi再蟩转到a.html�Q�如�Q�b.cgi?uri=a.html�Q�这��L��写成�Q?lt;a href="a.html" onclick="window.open('b.cgi?uri=a.html');return false;">XXX表面上可以解决了问题�Q�但是这�U�算不算是SEO的URL�ƺ骗行�ؓ呢？

jacklau 2010-01-26 11:20 发表评论

无缝拖动代码

jacklau — Sun, 17 Jan 2010 04:16:00 GMT

主要功能�Q?br /> 1.拖动
2.可配�|�相对位�|?br /> 3.�q�x��U�d��

CE.Tween = {
plcMove : function(o, a, s, e, callback, speed){
  var sTime = +new Date(), p, speed = speed || 100;
  var iTimer = setInterval(function(){
   p = (+new Date() - sTime) / speed;
   if(p >= 1){
    o.style[a] = e + "px";
    callback && callback.call(o);
    o = null;
    return clearInterval(iTimer);
   }
   o.style[a] = s + (e - s) * ((-Math.cos(p * Math.PI) / 2) + 0.5) + "px";
  }, 10);
}
};

CE.Util.Drag = {
    dcount : 0,
    dList : {},
    bind : function(c,obj){
        var _this = CE.Util.Drag;

        var _d = obj.d || c;

        if(!_d){return;}

        if(!_d.did){

            _d.did = _this.dcount++;

            _this.dList[_d.did] = _d;

            var _x ,_y,_isdown = false,_scape = null,_p = null;

            _d.style.cursor = "move";

            var down = function(e){
                _isdown = true;

                _p = obj.refer || document.body;

                _x = e.clientX - _d.offsetLeft; //初始坐标
                _y = e.clientY - _d.offsetTop;

                if(null == _scape){
                    _scape = document.createElement("div");
                    _p.appendChild(_scape);
                }

                _scape.style.border = "1px dotted #06459c";
                _scape.style.position = "absolute";
                _scape.style.zIndex = c.style.zIndex + 1 || 1;
                _scape.style.width = c.style.width;
                _scape.style.height = c.style.height;
                _scape.style.left = c.offsetLeft + "px";
                _scape.style.top = c.offsetTop + "px";

                c.style.filter = "Alpha(Opacity=60)";
                c.style.opacity = 0.6;

                if(_scape){
                    CE.Event.addListener(document,"mousemove",move);
                    CE.Event.addListener(document,"mouseup",up);
                    document.onselectstart = function() {return false};
                    if(window.getSelection){ //非ie
                        window.getSelection().removeAllRanges();
                    }
                }
            };
            var move = function(e){
                if(!_isdown){return};
                _scape.style.left = e.clientX - _x + "px";
                _scape.style.top = e.clientY - _y + "px";
            };
            var up = function(){
                _isdown = false;
                if(_scape){
                    if(obj.tween){
                        CE.Tween.plcMove(c,"top",parseInt(c.style.top, 10),_scape.offsetTop);
                        CE.Tween.plcMove(c,"left",parseInt(c.style.left, 10),_scape.offsetLeft);
                    }else{
                        c.style.left = _scape.offsetLeft + "px";
                        c.style.top = _scape.offsetTop + "px";
                    }
                    c.style.filter = "Alpha(Opacity=100)";
                    c.style.opacity = 1;
                    _scape.style.zIndex = c.zIndex - 1 || -1;
                    _p.removeChild(_scape);
                    _p = null;
                    _scape = null;
                    document.onselectstart = function() {return true};
                }
            };
            CE.Event.addListener(_d,"mousedown",down);
        }else{
            for(var item in _this.dList){
                if(_d.did === item.did){
                    return;
                }
            }
        }
    }
};

jacklau 2010-01-17 12:16 发表评论

一个事件绑定类�Q�支持this

jacklau — Wed, 13 Jan 2010 17:17:00 GMT

特点�Q?br /> 1.支持fn参数中��用this关键�?br /> 2.相同fn�l�定无效

�~�点�Q?br /> 非ie下不能直接��用匿名函数直接当参数传递，�q�个谁有比较好的解决办法么？

CE.Event = {
    handler : function(e){
        e = e || window.event;
        var _fn = "_" + e.type;
        if(this[_fn]){
            for(var _f in this[_fn]){
                this[_fn][_f].call(this,e);
            }
        }
    },
    bind : function(obj, act, fn, capture){
    if(window.addEventListener){
            obj.addEventListener(act,fn,capture || false);
        }else{
            var _fn = "_" + act;
            act = "on" + act;
            if(!obj[_fn]){
                obj[_fn] = [];
                obj[act] = CE.Event.handler;
            }else{
                for(var _f in obj[_fn]){
                    if(obj[_fn][_f].toString() === fn.toString()){return};
                }
            }
            obj[_fn][obj[_fn].length] = fn;
        }
    },
    unbind : function(obj, act, fn, capture){
        if(window.removeEventListener){
            obj.removeEventListener(act,fn,capture || false);
        }else{
            var _fn = "_" + act;
            if(obj[_fn]){
                for(var _f in obj[_fn]){
                    if(obj[_fn][_f].toString() === fn.toString()){
                        try{
                            delete obj[_fn][_f];
                        }catch(e){
                            obj[_fn][_f] = null;
                        }
                        return;
                    }
                }
            }
        }
    }
};

提升了一下执行效率：

CE.Event = {
    ecount : 1,
    handler : function(e){
        e = e || window.event;
        if(this.evns[e.type]){
            for(var evn in this.evns[e.type]){
                this.evns[e.type][evn].call(this,e);
            }
        }
    },
    bind : function(obj, act, fn, capture){
        if(window.addEventListener){
            obj.addEventListener(act,fn,capture || false);
        }else{
            if(!fn.id){fn.id = CE.Event.ecount++};
            if(!obj.evns){obj.evns = {}};
            if(!obj.evns[act]){
                obj.evns[act] = {};
                if(obj["on" + act]){
                    obj.evns[act][0] = obj["on" + act];
                }
            }else{
                for(var evn in obj.evns[act]){
                    if(evn.id === fn.id){return;}
                }
            }
            obj.evns[act][fn.id] = fn;
            obj["on" + act] = CE.Event.handler;
        }
    },
    unbind : function(obj, act, fn, capture){
        if(window.removeEventListener){
            obj.removeEventListener(act,fn,capture || false);
        }else{
            if(obj.evns && obj.evns[act]){
                try{
                    delete obj.evns[act][fn.id];
                }catch(e){
                    obj.evns.act[fn.id] = null;
                }
                return;
            }
        }
    }
};

jacklau 2010-01-14 01:17 发表评论

自己��试写的几个正则

jacklau — Fri, 08 Jan 2010 11:03:00 GMT

1.匚w��电话��L��(国内)
(?:$?(?:[\+0]?)[0-9]+?[$?-])?[0-9]{3,4}(?:-?)[0-9]{7,8}(?:(?:-?)[0-9]+)?
匚w��Q?1012345678�Q?10-12345678�Q?86-010-12345678�Q?86)010-1234567�Q?086)010-12345678 �{�等

jacklau 2010-01-08 19:03 发表评论

jacklau — Wed, 06 Jan 2010 14:28:00 GMT

新写了一个兼容ie�Q�ff的Storage�c�，主要实现�Q?br /> 1.存储�Q?br /> 2.获取�Q?br /> 3.删除�Q?br />
数据支持字符�?json

以下是源码：

Storage = (function(){
    var isInit = false;
    var obj = null;
    var defDay = 365;
    var isIE = ("\v" == "v");
    var ikey = "Tenpay_Default_Data";
    var domain = document.domain; //或者提取自己框架的
    var initObj = function(){
        if(isIE){
            obj = document.createElement("div");
            obj.id = "Default_JData_id";
            obj.style.behavior = "url('#default#userData')"
            document.body.appendChild(obj);
            isInit = true;
        }
    };
    var setExpire = function(day){
        defDay = day;
    };
    var jsonToStr = function(json){
        var list = [];
        if("string" === typeof(json)) return "\""+ json.replace(/([\'\"\\])/g,"\\$1").replace(/(\n)/g,"\\n").replace(/(\r)/g,"\\r").replace(/(\t)/g,"\\t")+"\"";
        if("number" === typeof(json)) return json;
        if("undefined" === typeof(json)) return "undefined";
        if("object" === typeof(json)){
            if(null === json){return null}
            else if("function" === typeof(json.sort)){
                for(var i = 0,len = json.length; i < len; i++){
                    list.push(jsonToStr(json[i]));
                }
                return "["+ list.join() +"]";
            }else{
                for(var i in json){
                    list.push(i + ":" + jsonToStr(json[i]));
                }
                return "{"+ list.join() +"}";
            }
        }
    };
    var strToJson = function(str){
        return eval('('+ str +')');
    };
    var setData = function(name, value, domain_name, key, day){
        ikey = key || ikey;
        domain = domain_name || domain;
        if(!isInit){initObj()};
        if(value instanceof Object){
            value = jsonToStr(value);
        }
        var d = new Date(),exps = (null != day ? day : defDay);
        d.setSeconds(d.getSeconds() + exps * 24 * 3600);
        try{if(isIE){
            obj.load(ikey);
            obj.setAttribute(name, value);
            obj.expires = d.toUTCString();
            obj.save(ikey);
        }else if(window.globalStorage){
             globalStorage[domain][ikey + "__" + name] = value;
             globalStorage[domain][ikey + "__expire"] = d.getTime();
        }}catch(e){}
    };
    var getData = function(name, domain_name, key){
        ikey = key || ikey;
        domain = domain_name || domain;
        if(!isInit){initObj()};
        try{
      if(isIE){
            obj.load(ikey);
            return /^\{.*\}$|^\[.*\]$/.test(obj.getAttribute(name)) ? strToJson(obj.getAttribute(name)) : obj.getAttribute(name);
          }else if(window.globalStorage){
        var now = parseFloat((new Date()).getTime()), exp = parseFloat(globalStorage[domain][ikey + "__expire"]);
        if (exp > now) {
              return /^\{.*\}$|^\[.*\]$/.test(globalStorage[domain][ikey + "__" + name]) ? strToJson(globalStorage[domain][ikey + "__" + name]) : globalStorage[domain][ikey + "__" + name];
        }else {
          delData(name, key);
        }
          }
    }catch(e) {
      //exception
    }
        return "";
    };
    var delData = function(name, domain_name, key){
        ikey = key || ikey;
        domain = domain_name || domain;
        if(!isInit){initObj()};
    try {
        if(isIE){
            obj.load(ikey);
            obj.removeAttribute(name);
            obj.save(ikey);
        }else if(window.globalStorage){
            globalStorage[domain][ikey + "__" + name] = undefined;
            globalStorage[domain].removeItem(ikey + "__" + name);
        }
    }catch (e) {}
    };
    return {
        setExp : setExpire,
        set : setData,
        get : getData,
        del : delData
    };
})();

jacklau 2010-01-06 22:28 发表评论

https协议�I��求ie下报安全警告

jacklau — Wed, 06 Jan 2010 03:01:00 GMT

https协议�I��求ie下报安全警告�Q�很�U�结的问题啊�Q?br /> 比如我��用一�?lt;iframe>�Q�src属性�ؓ�Q�about:blank,javascript:void(0),javascript://在ie下都会报安全警告�Q?br />
后来发现了一个hack�Q�javascript:''�Q�以为终于可以自喜，上线后居然xp sp2又报错了�Q�本来最�q�老是出错�Q�又出现了这个BUG�Q�真的是要吐血了，没办法还是改回了指向一个空白页�?br />
��N��没有更好的办法了么�Q?

jacklau 2010-01-06 11:01 发表评论

条�g语句�Q��ؓ啥要��常量写在前面？

jacklau — Fri, 01 Jan 2010 02:27:00 GMT

条�g语句�Q��ؓ啥要��常量写在前面？

发现有�h写js代码的时候这��L��Q?br /> if("xx" == a){};//a变量

为啥要将帔R��写在前面呢？后来发现了一个规律，��是如果�~�码中少些一�?#8220;=”�Q�如�Q�if("xx" = a){}//�q�样的话��览器会提示�Q�不能给[String]赋值错误，�q�样子的话会很快定位到错误，如果是：if(a = "xx"){}//多数情况下次条�g始终满��Q�如果出现问题，定位��h��׃��很纠�l�，最后也会比较囧�Q�呵��c��?br />
那还有没有其他的可比之处呢？

jacklau 2010-01-01 10:27 发表评论

jacklau — Wed, 30 Dec 2009 12:30:00 GMT

摘要: 既然有了俄罗斯方块，那趁兴也来一个贪食蛇吧，虽然有�h说是入门�U�代码必写的��东西，但是也花费了不少旉��Q�没有用到过多的复杂处理�? 源代码：阅读全文

jacklau 2009-12-30 20:30 发表评论

jacklau — Wed, 30 Dec 2009 12:27:00 GMT

摘要: �|�上也看��C��自��q��js写的俄罗斯方块，��Z��。。。，我觉得自�׃��试一把，希望大家能提出宝贉|��见出来，��弟拜谢�Q�！囄��Q? 以下是源代码�Q? 阅读全文

jacklau 2009-12-30 20:27 发表评论