网页涂鸦插件

使用书签运行就可以了

注意：https协议的网站不行

网上似乎没这种插件

目前只支持简单粉笔功能，热度高的话后续再添加功能

(function () {        var cdn_CSS = [            'http://wpaint.websanova.com/lib/wColorPicker.min.css',            'http://wpaint.websanova.com/wPaint.min.css'        ];        var dom = {            link:this.link || document.createElement('link'),            script:this.script || document.createElement('script')        };        var cdn_script =[            "http://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js",            "http://wpaint.websanova.com/lib/jquery.ui.core.1.10.3.min.js",            "http://wpaint.websanova.com/lib/jquery.ui.widget.1.10.3.min.js",            "http://wpaint.websanova.com/lib/jquery.ui.mouse.1.10.3.min.js",            "http://wpaint.websanova.com/lib/jquery.ui.draggable.1.10.3.min.js",            "http://wpaint.websanova.com/lib/wColorPicker.min.js",            "http://wpaint.websanova.com/wPaint.min.js",            "http://wpaint.websanova.com/plugins/main/wPaint.menu.main.min.js",            "http://wpaint.websanova.com/plugins/text/wPaint.menu.text.min.js",            "http://wpaint.websanova.com/plugins/shapes/wPaint.menu.main.shapes.min.js",            "http://wpaint.websanova.com/plugins/file/wPaint.menu.main.file.min.js"        ];        var i = 0;        var forbidSelecte = function () {            if(document.all){                document.onselectstart= function(){return false;};            }else{                document.onmousedown= function(){return false;};                document.onmouseup= function(){return true;};            }            document.onselectstart = new Function('event.returnValue=false;');        };        var appendScript = function (src) {            var dom = {                script:this.script || document.createElement('script')            };            dom.script.setAttribute('src',src);            document.getElementsByTagName('head')[0].appendChild(dom.script);            dom.script.onload = function () {                if(i < cdn_script.length){                    appendScript(cdn_script[i++]);                }else{                    $('body').wPaint();                    $('.wPaint-menu').hide();                    forbidSelecte();                    var style = document.createElement('style');                    style.type = 'text/css';                    style.innerHTML='.wPaint-canvas{z-index:99999999999999}';                    document.getElementsByTagName('head')[0].appendChild(style);                }            };        };        var appendlink = function (href) {            var dom = {                link:this.link || document.createElement('link')            };            dom.link.setAttribute('href',href);            document.getElementsByTagName('head')[0].appendChild(dom.link);        };        function init() {            $('body').wPaint();        };        for(var href in cdn_css){            if(cdn_css[href]){                appendlink(cdn_css[href]);            }        };        appendScript(cdn_script[i]);    })();