JS自动适应的图片弹窗实例


Posted in Javascript onJune 29, 2013
/************************************自动适应的图片弹窗*********************************/ 
var autoImg=function(argcs){/*调整图片大小,等比例缩放argcs['maxHeight']=>最大高度,argcs['maxWidth']=>最大宽度,argcs['height']=>图片高度,argcs['width']=>图片宽度*/ 
                var _maxHeight=''; 
                var _maxWidth=''; 
                var _newSize=[];                 if(argcs['maxHeight']){ 
                    _maxHeight=argcs['maxHeight']; 
                    } 
                if(argcs['maxWidth']){ 
                    _maxWidth=argcs['maxWidth']; 
                    } 
                if(!argcs['height']){ 
                    throw new Error('height未指定'); 
                    } 
                if(!argcs['width']){ 
                    throw new Error('width未指定'); 
                    } 
                if(argcs['height']>argcs['width']||argcs['height']==argcs['width']){//高度不小于宽度的情况 
                        if(argcs['height']>=_maxHeight){ 
                                _newSize['height']=_maxHeight; 
                                _newSize['width']=(_maxHeight/argcs['height'])*argcs['width']; 
                            }else{ 
                                _newSize['width']=argcs['width']; 
                                _newSize['height']=argcs['height']; 
                                } 
                        return _newSize; 
                    } 
                if(argcs['width']>argcs['height']){//宽度大于高度的情况 
                        if(argcs['width']>=_maxWidth){ 
                                _newSize['width']=_maxWidth; 
                                _newSize['height']=(_maxWidth/argcs['width'])*argcs['height']; 
                            }else{ 
                                _newSize['width']=argcs['width']; 
                                _newSize['height']=argcs['height']; 
                                } 
                        return _newSize; 
                    }                
                } 
    var imgBox=function(imgSrc){             
            var winImg=new popBox({//图片弹窗 
                ID:'imgBox', 
                bgColor:'#a3c90e', 
                width:906, 
                moveHandle:false, 
                closeButton:false, 
                height:'auto', 
                times:250, 
                lock:true, 
                content:'', 
                shadow:true, 
                position:'center', 
                displayCallBack:function(){ 
                                       $('body').append('<img id="loading" src="/template/27/img/loading.gif"/>'); 
                    $('img[id=loading]').css('z-index',110000).css({position:'absolute',left:$(window).scrollLeft()+($(window).width())/2-($('img[id=loading]').width())/2-22,top:$(window).scrollTop()+($(window).height()/2-($('img[id=loading]').width())/2)}); 
                    /************图片预加载,重新调整窗口大小及位置**************/ 
                    var img=new Image(); 
                    var _imgWidth=0; 
                    var _imgHeight=0; 
                    img.src=imgSrc;//为img对象添加地址 
                                       // console.log(imgSrc); 
                                        /*************************图片加载完成之后***************************/ 
                    img.onload=function(){ 
                                               $('img[id=loading]').remove(); 
                        _imgWidth=img.width; 
                        _imgHeight=img.height; 
                        var argcs=[]; 
                        var winWidth=$(window).width(); 
                        argcs['maxHeight']=750;//最大高度 
                        argcs['maxWidth']=900;//最大宽度 
                        argcs['height']=_imgHeight; 
                        argcs['width']=_imgWidth; 
                        var newWH=autoImg(argcs);//获得缩略后的图片宽和高 
                        /************图片预加载,重新调整窗口大小及位置************/ 
                        $('#'+winImg.ID).css({width:newWH['width'],height:newWH['height'],top:parseInt($(document).scrollTop())+parseInt(($(window).height()-newWH['height'])/2),left:$(document).scrollLeft()+parseInt(winWidth/2)-parseInt(newWH['width']/2)}); 
                        $('#'+winImg.ID).html('<img src="'+img.src+'" width="'+newWH['width']+'" height="'+newWH['height']+'"/>'); 
                        /************图片预加载,重新调整窗口大小及位置**************/ 
                        $('#'+winImg.ID+'_bg').css('cursor','pointer').click(function(){ 
                            winImg.kill(); 
                            }); 
                        }; 
                                        /*************************图片加载完成之后***************************/  
                    }, 
                unDisplayCallBack:function(){ 
                    }, 
                killCallBack:function(){ 
                    } 
                }); 
                winImg.dispaly(); 
    }

popBox代码
//若使用移动功能,请先导入jQuery移动UI组件 
var popBox=function(settings){//弹窗函数settings=[] 
        //alert(typeof settings['width']); 
        //alert(settings['displayCallBack']); 
        /************************本类私有变量*****************************/ 
        /*******************默认值*****************/ 
        var _shadow=true;//是否有遮罩true/false 
        var _closeButton=false;//关闭按钮false/dom元素 
        var _killButton=false;//kill按钮false/dom元素 
        var _moveHandle=false;//拖动手柄false/dom元素 
        var _width=650;//宽, 
        var _bgColor='#FFF';//背景样式 
        var _height='auto';//高 
        var _content='没有内容';//内容 
        var _position='center';/*位置topLeft,topCenter,topRight,center,bottomLeft,bottomRight,bottomCenter*/ 
        var _lock=true;//是否锁定 
        var _times=500;//显示,隐藏的时间 
        var _displayCallBack=function(){//dispaly回调函数 
                alert('display'); 
            } 
        var _unDisplayCallBack=function(){//unDispaly回调函数 
                alert('unDisplay'); 
            } 
        var _beforeKillCallBack=function(){ 
                alert('beforeKill'); 
            }//kill之前的回调函数 
        var _killCallBack=function(){//kill回调函数 
                alert('kill'); 
            } 
        /*******************默认值*****************/ 
        if(settings['closeButton']!==undefined){ 
            //alert('shadow'); 
            _closeButton=settings['closeButton']; 
            }    
        if(settings['killButton']!==undefined){ 
            //alert('shadow'); 
            _killButton=settings['killButton']; 
            } 
        if(settings['moveHandle']!==undefined){ 
            //alert('shadow'); 
            _moveHandle=settings['moveHandle']; 
            }                
        /******************获得设置值********************/ 
        /**settings['shadow']!=' ' && settings['shadow']!=undefined*/ 
        if(settings['shadow']!==undefined){ 
            //alert('shadow'); 
            _shadow=settings['shadow']; 
            } 
        if(settings['bgColor']!==undefined){ 
            //alert('shadow'); 
            _bgColor=settings['bgColor']; 
            } 
        if( settings['width']!==undefined){ 
            _width=settings['width']; 
            } 
        if( settings['height']!==undefined){ 
            _height=settings['height']; 
            } 
        if(settings['content']!==undefined){ 
            _content=settings['content']; 
            } 
        if(settings['position']!==undefined){ 
            _position=settings['position']; 
            } 
        if( settings['times']!==undefined){ 
            _times=settings['times']; 
            } 
        if(settings['lock']!==undefined){ 
            _lock=settings['lock']; 
            } 
        if(settings['displayCallBack']!=undefined){ 
            //alert('here'); 
            _displayCallBack=settings['displayCallBack']; 
            }        
        if( settings['unDisplayCallBack']!==undefined){ 
            _unDisplayCallBack=settings['unDisplayCallBack']; 
            }    
        if( settings['beforeKillCallBack']!==undefined){ 
            _beforeKillCallBack=settings['beforeKillCallBack']; 
            } 
        if( settings['killCallBack']!==undefined){ 
            _killCallBack=settings['killCallBack']; 
            }         //alert(settings['shadow']); 
        //alert(_shadow); 
        /************************本类私有变量******************************/ 
         
        /*********************本类内部变量********************/    
        var _this=this;              
        var _baseZindex=10000; 
        var _domWidth=$(document).width(); 
        var _domHeight=$(document).height(); 
        /********************本类内部变量*******************/ 
         
        /********************本类私有函数**********************/ 
        var _getZindex=function(){/*获得z-index->首先遍历网页div元素ID中含有popBox的DOM,获得数量,然后本弹窗背景z-index=基数+当前数量+1,弹框z-index=基数+当前数量+2*/ 
                var _len=$('body').children('div').length; 
                var _countDiv=0; 
                var _divObj=$('body').children('div'); 
                var _reg=/^popBox_/;//正则表达式 
                for(var i=0;i<_len;i++){ 
                    if(_reg.test(_divObj.eq(i).attr('ID'))){ 
                            _countDiv+=1; 
                        } 
                    } 
                return _countDiv;//返回已有弹框的数量 
            } 
        var _getWinZindex=function(){//获得弹窗的z-index 
                var _winZindex=_baseZindex+_getZindex()+2; 
                return _winZindex; 
            } 
        var _geWinBgZindex=function(){//获得弹窗背景的z-index 
                var _winBgZindex=_baseZindex+_getZindex()+1; 
                return _winBgZindex;                 
            } 
        var _renderBg=function(){//渲染背景  3water.com
                var _winBgZindex=_geWinBgZindex(); 
                //alert($(document).height()); 
                $('body').append('<div id="'+_this.ID+'_bg"></div>');//在body中插入一个半透明的背景 
                $('#'+_this.ID+'_bg').addClass('popBox_bg').css({height:_domHeight,width:_domWidth,opcity:0}).css('z-index',_winBgZindex).fadeTo(_times,0.7); 
            } 
        var _creatWin=function(){//创建窗体 
                $('body').append('<div id="'+_this.ID+'"></div>'); 
                _renderContent(_content);//渲染弹窗主体 
                _initWin();//初始化窗体 
            } 
        var _initWin=function(){//初始化窗体 
                var _winZindex=_getWinZindex(); 
                var _transHeight=0; 
                if(_height=='auto'){ 
                    _transHeight='auto'; 
                    }else{ 
                        _transHeight=parseInt(_height)+'px'; 
                        } 
                $('#'+_this.ID).css({width:parseInt(_width)+'px',height:_transHeight,position:'absolute',opticity:1.0,background:_bgColor}).css('z-index',_winZindex); 
                if(_lock==false){ 
                    if(_moveHandle!==undefined&&_moveHandle!==false&&_moveHandle!==' '){ 
                        $('#'+_this.ID).children(_moveHandle).css('cursor','move'); 
                        //alert(_moveHandle); 
                        //alert($('#'+_this.ID).children(_moveHandle).html()); 
                        } 
                    } 
                _locationWin();//为窗体定位 
            } 
        var _locationWin=function(){/*为窗体定位topLeft,topCenter,topRight,centerLeft,center,centerRight,bottomLeft,bottomCenter,bottomRight*/ 
            var _windowHeight=parseInt($(window).height()); 
            var _windowWidth=parseInt($(window).width()); 
            //alert(_windowWidth+_height);   
            var _left=(_windowWidth-parseInt(_width))/2; 
            var _top=parseInt($(document).scrollTop())+parseInt(($(window).height()-$('#'+_this.ID).height())/2); 
            $('#'+_this.ID).css({top:_top+'px',left:_left+'px'}); 
            } 
        var _renderContent=function(content){//渲染弹窗主体 
                $('#'+_this.ID).append(content); 
            } 
        var bindEvent=function(){//绑定事件 
            if(_this.status!=='kill'&&_this.status!=='init'){ 
                        if(_closeButton!==undefined&&_closeButton!==' '&&_closeButton!==false){ 
                            $('#'+_this.ID+' '+_closeButton).css('cursor','pointer').live('click',function(e){ 
                            _this.unDisplay(); 
                            });                          
                        }//若设置了关闭(close)按钮 
                        if(_killButton!==undefined&&_killButton!==' '&&_killButton!==false){ 
                            $('#'+_this.ID+' '+_killButton).css('cursor','pointer').live('click',function(e){ 
                            _this.kill(); 
                            });                          
                        }//若设置了杀死(kill)按钮 
                    } 
                if(_lock==false){ 
                    $('#'+_this.ID).draggable({cancel:''}); 
                    } 
            }        
        /*********************本类私有函数*****************/ 
         
        /**********************本类公有函数******************/ 
        this.status='init';//当前状态init->初始化状态,display->display状态,undisplay->undisplay状态,kill->kill状态 
        this.ID=''; 
        var _ID=settings['ID']; 
        if(_ID==' '||(typeof _ID)==undefined){ 
            throw new Error('ID不能为空'); 
            }else{ 
                this.ID='popBox_'+_ID; 
                } 
        this.display=function(){//显示函数,如果状态是init或者kill重新渲染页面 
            //alert(_this.status); 
            if(_this.status=='init'||_this.status=='kill'){ 
                    _creatWin();//创建窗体 
                    //$('#'+_this.ID).css('height',_domHeight); 
                    if(_shadow==true){//渲染遮罩 
                        /*alert(_shadow);*/ 
                        _renderBg(); 
                        } 
                    _this.status='display'; 
                    _displayCallBack(); 
                }else{ 
                    $('#'+_this.ID).fadeIn(_times); 
                    if(_shadow==true){ 
                        $('#'+_this.ID+'_bg').fadeIn(_times); 
                        } 
                    _this.status='display'; 
                    } 
            //alert(typeof _displayCallBack); 
            //alert(_this.status); 
            bindEvent(); 
            } 
        this.kill=function(){//彻底移除 
            //alert(_this.status); 
            //alert(_this.status); 
            if(_this.status=='kill'||_this.status=='init'){ 
                //alert(_this.status); 
                throw new Error('非法操作,当前状态不允许kill'); 
            } 
            if(_beforeKillCallBack!=undefined){ 
                    _beforeKillCallBack(); 
                    } 
            $('#'+_this.ID).remove(); 
            if(_shadow==true){ 
                $('#'+_this.ID+'_bg').remove(); 
                } 
            _this.status='kill'; 
            if(_killCallBack!=undefined){ 
                    _killCallBack(); 
                    } 
            } 
        this.unDisplay=function(){//隐藏函数 
            if(_this.status=='init'||_this.status=='kill'){ 
                throw new Error('非法操作,当前状态不允许undisplay'); 
                } 
            if(_unDisplayCallBack!=undefined){ 
                _unDisplayCallBack(); 
                } 
            $('#'+_this.ID).fadeOut(_times); 
            $('#'+_this.ID+'_bg').fadeOut(_times); 
            _this.status='undisplay';        
            } 
        /**********************本类公有函数******************/ 
         
    }//popBox网页弹窗 
var errorBox=function(errorMsg){ 
        //alert(typeof errorBox); 
            //alert(errorBox.length); 
            var errorObj=new popBox({ 
            ID:'errorObj', 
            bgColor:'#FFF', 
            width:300, 
            moveHandle:false, 
            closeButton:false, 
            height:'auto', 
            times:200, 
            lock:true, 
            content:$('#errorBoxContent').html(), 
            shadow:true, 
            position:'center', 
            displayCallBack:function(){  
                    $('#'+errorObj.ID).find('.errorMessage').html(); 
                    $('#'+errorObj.ID).find('.errorMessage').html(errorMsg); 
                    $('#'+errorObj.ID).find('.errorConfirm input').click(function(){ 
                        //alert('here'); 
                        errorObj.kill(); 
                        }); 
                }, 
            unDisplayCallBack:function(){ 
                throw new Error('错误不可以关闭,只可以Kill');//错误方法只能Kill,不能关闭 
                }, 
            killCallBack:function(){ 
                //errorBox=null; 
                } 
            }); 
        errorObj.dispaly();  
    }//错误弹窗
Javascript 相关文章推荐
Jquery 学习笔记(一)
Oct 13 Javascript
IE7中javascript操作CheckBox的checked=true不打勾的解决方法
Dec 07 Javascript
javascript 获取表单file全路径
Dec 31 Javascript
jsp js鼠标移动到指定区域显示选项卡离开时隐藏示例
Jun 14 Javascript
jquery判断input值不为空的方法
Jun 05 Javascript
JavaScript实现同一个页面打开多张图片
Dec 29 Javascript
AngularJS折叠菜单实现方法示例
May 18 Javascript
JavaScript输入框字数实时统计更新
Jun 17 Javascript
详细介绍RxJS在Angular中的应用
Sep 23 Javascript
分析JS单线程异步io回调的特性
Dec 01 Javascript
Angular5.0 子组件通过service传递值给父组件的方法
Jul 13 Javascript
vue-cli+axios实现文件上传下载功能(下载接收后台返回文件流)
May 10 Javascript
jquery实现简单的拖拽效果实例兼容所有主流浏览器(优化篇)
Jun 28 #Javascript
Ext JS添加子组件的误区探讨
Jun 28 #Javascript
Javascript实现重力弹跳拖拽运动效果示例
Jun 28 #Javascript
jQuery随便控制任意div隐藏的方法
Jun 28 #Javascript
js实时获取系统当前时间实例代码
Jun 28 #Javascript
js复制到剪切板的实例方法
Jun 28 #Javascript
Javascript无阻塞加载具体方式
Jun 28 #Javascript
You might like
重置版战役片段
2020/04/09 魔兽争霸
通过源码解析Laravel的依赖注入
2018/01/22 PHP
JQery 渐变图片导航效果代码 漂亮
2010/01/01 Javascript
基于jquery的获取mouse坐标插件的实现代码
2010/04/01 Javascript
基于jquery的返回顶部效果(兼容IE6)
2011/01/17 Javascript
JS模拟面向对象全解(一、类型及传递)
2011/07/13 Javascript
一行代码实现纯数据json对象的深度克隆实现思路
2013/01/09 Javascript
在JS中操作时间之getUTCMilliseconds()方法的使用
2015/06/10 Javascript
基于jQuery实现放大镜特效
2020/10/19 Javascript
AngularJS 作用域详解及示例代码
2016/08/17 Javascript
JavaScript实现审核流程状态的动态显示进度条
2017/03/15 Javascript
Web前端框架Angular4.0.0 正式版发布
2017/03/28 Javascript
Javascript实现页面滚动时导航智能定位
2017/05/06 Javascript
基于JS递归函数细化认识及实用实例(推荐)
2017/08/07 Javascript
Vuex 入门教程
2018/01/10 Javascript
ES6之模版字符串的具体使用
2018/05/17 Javascript
Vue.js的复用组件开发流程完整记录
2018/11/29 Javascript
vue实现前台列表数据过滤搜索、分页效果
2019/05/28 Javascript
Element实现表格分页数据选择+全选所有完善批量操作
2019/06/07 Javascript
DatePickerDialog 自定义样式及使用全解
2019/07/09 Javascript
基于JavaScript实现随机点名器
2021/02/25 Javascript
python+selenium实现京东自动登录及秒杀功能
2017/11/18 Python
Python对多属性的重复数据去重实例
2018/04/18 Python
python批量处理多DNS多域名的nslookup解析实现
2020/06/28 Python
2020年10款优秀的Python第三方库,看看有你中意的吗?
2021/01/12 Python
详解CSS3原生支持div铺满浏览器的方法
2018/08/30 HTML / CSS
详解CSS3中的box-sizing(content-box与border-box)
2019/04/19 HTML / CSS
详解如何通过H5(浏览器/WebView/其他)唤起本地app
2017/12/11 HTML / CSS
美国正宗设计师眼镜在线零售商:EYEZZ
2019/03/23 全球购物
Wedgwood英国官方网站:英式精致骨瓷餐具、礼品与生活精品,源于1759年
2019/09/02 全球购物
2014最新离职证明范本
2014/09/12 职场文书
技术股东合作协议书
2014/12/02 职场文书
六年级语文下册教学计划
2015/01/22 职场文书
2015个人年度工作总结范文
2015/05/28 职场文书
MySQL三种方式实现递归查询
2022/04/18 MySQL
Python TypeError: ‘float‘ object is not subscriptable错误解决
2022/12/24 Python