OOP弹窗组件

本文最后更新于：2023年3月30日 下午

html:

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>面向对象-弹窗组件</title>
<style type="text/css">
*{ margin: 0;padding:0;list-style: none}
.dialog{ position: absolute;border:1px solid #ccc;z-index: 10000}
.dialog .title{ width: 100%;height: 26px;background: gray;color:white;}
.dialog .content{ background: white}
.dialog .title .close{ float: right}
#mark{ width: 100%;height: 100%; background: black;filter:aphla(opacity=60);opacity: 0.6;position: absolute;top:0;left:0;z-index: 9999}
</style>
<script type="text/javascript" src="dialog.js"></script>
<script type="text/javascript">
window.onload=function() {
    var btn1 = document.getElementById('btn1');
    var btn2 = document.getElementById('btn2');
    var btn3 = document.getElementById('btn3');
    btn1.onclick = function() {
        var dialog1 = new Dialog();
        dialog1.init({
            id: 'btn1', // 给不同标示第一次点击可以弹窗第二次不行
            width: 600,
            height: 400,
            title: '登陆'
        });
    }
    btn2.onclick = function() {
        var dialog2 = new Dialog();
        dialog2.init({
            id: 'btn2',
            width: 100,
            height: 200,
            title: '公告',
            dir: 'rightBottom'
        });
    }
    btn3.onclick = function() {
        var dialog3 = new Dialog();
        dialog3.init({
            id: 'btn3',
            width: 300,
            height: 200,
            title: '广告',
            dir: 'leftBottom',
            mark: true
        });
    }
}
</script>
<body>
    <input id="btn1" type="button" value="登陆"/>
    <input id="btn2" type="button" value="公告"/>
    <input id="btn3" type="button" value="广告"/>
</body>
</html>

js:

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;function Dialog() {
    this.oDialog = null;
    this.settings = {
        width: 400,
        height: 280,
        title: '',
        dir: 'center',
        mark: false,
    }
}
function extend(obj1, obj2) {
    for(var attr in obj2){
        obj1[attr] = obj2[attr];
    }
}
Dialog.prototype.init = function(opt) {
    extend(this.settings, opt);
    if (this.json[opt.id] === undefined) {
        this.json[opt.id] = true;
    }
    if (this.json[opt.id]) {
        this.create();
        if (this.settings.mark) {
            this.mark();
        }
        this.close();
        this.json[opt.id] = false;
    }
}
Dialog.prototype.json = {}
Dialog.prototype.create = function() {
    this.oDialog = document.createElement('div');
    this.oDialog.className = 'dialog';
    this.oDialog.innerHTML= "<div class='title'><span>"+this.settings.title+"</span><span class='close'>X</span></div><div class='content'></div>";
    document.body.appendChild(this.oDialog);
    this.setData();
}
Dialog.prototype.setData = function() {
    this.oDialog.style.width = this.settings.width + 'px';
    this.oDialog.style.height = this.settings.height + 'px';
    if (this.settings.dir === 'center') {
        this.oDialog.style.left = parseInt((viewWidth() - this.oDialog.offsetWidth) / 2) + 'px';
        this.oDialog.style.top = parseInt((viewHeight() - this.oDialog.offsetHeight)/2) + 'px';
    } else if (this.settings.dir == 'leftBottom') {
        this.oDialog.style.left = 0;
        this.oDialog.style.top = viewHeight()-this.oDialog.offsetHeight + 'px';
    } else if (this.settings.dir === 'rightBottom') {
        this.oDialog.style.left = viewWidth() - this.oDialog.offsetWidth + 'px';
        this.oDialog.style.top = viewHeight() - this.oDialog.offsetHeight + 'px';
    }
}
Dialog.prototype.mark = function() {
    var oMark = document.createElement('div');
    oMark.id = 'mark';
    this.oMark = oMark;
    document.body.appendChild(oMark);
    /*oMark.style.width = viewWidth()+"px";
    oMark.style.height = viewHeight()+"px";*/
}
Dialog.prototype.close = function() {
    var _this = this;
    var oClose = this.oDialog.getElementsByTagName('span')[1];
    oClose.onclick = function() {
        document.body.removeChild(_this.oDialog);
        _this.json[_this.settings.id] = true;
        _this.showNow = true;
        if (_this.settings.mark) {
            document.body.removeChild(_this.oMark);
        }
    }
}
function viewWidth() {
    return document.documentElement.clientWidth;
}
function viewHeight() {
    return document.documentElement.clientHeight;
}

查看演示

developer
#原创 #javaScript
OOP弹窗组件
https://seven3.site/js/OOP弹窗组件/
作者
Seven3s
发布于
2015年3月1日
许可协议