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缩放窗口可控制效果

稿源：互联网 2022-04-02 21:41:21 点击： 1030 撤稿纠错

可控制的缩放窗口，能设置是否按比例缩放。

以下讨论的是和缩放控制相关的缩放窗口可控制效果教程文章，内容是本站精心挑选整理的教程，希望对广大的网友给到帮助,下面是详细内容：

脚本代码(For Alixixi.com)如下:

<!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=gb2312">
<meta name="keywords" content="站长,网页特效,js特效,js脚本,脚本,广告代码,zzjs,zzjs.net,sky,www.zzjs.net,站长特效 网" />
<meta name="description" content="www.zzjs.net,站长特效网，站长必备js特效及广告代码。大量高质量js特效，提供高质量广告代码下载,尽在站长特效网" />
<title>网页特效 可以控制的缩放窗口 站长特效网</title>
<style type="text/css">
#rRightDown,#rLeftDown,#rLeftUp,#rRightUp,#rRight,#rLeft,#rUp,#rDown{position:absolute;background:#F00;width:10px; height:10px; z-index:500; font-size:0;}
#rRightDown{cursor:nw-resize;}
#rLeftDown{cursor:ne-resize;}
#rLeftUp{cursor:nw-resize;}
#rRightUp{cursor:ne-resize;}
#rRight,#rLeft{cursor:e-resize;}
#rUp,#rDown{cursor:n-resize;}
#dragDiv{border:1px solid #000000; width:100px; height:60px; top:50px; left:50px; background:#fff;}
</style>
<script language="javascript">
var isIE = (document.all) ? true : false;
var $ = function (id) {
return "string" == typeof id ? document.getElementById(id) : id;
};
var Class = {
create: function() {
return function() { this.initialize.apply(this, arguments); }
}
}
var Extend = function(destination, source) {
for (var property in source) {
destination[property] = source[property];
}
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，d很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
var Bind = function(object, fun) {
return function() {
return fun.apply(object, arguments);
}
}
var BindAsEventListener = function(object, fun) {
return function(event) {
return fun.call(object, Event(event));
}
}
function Event(e){
var oEvent = isIE ? window.event : e;
if (isIE) {
oEvent.target = oEvent.srcElement;
oEvent.pageX = oEvent.clientX + document.documentElement.scrollLeft;
oEvent.pageY = oEvent.clientY + document.documentElement.scrollTop;
oEvent.charCode = (oEvent.type == "keypress") ? oEvent.keyCode : 0;
oEvent.preventDefault = function () { this.returnValue = false; };
oEvent.detail = oEvent.wheelDelta / (-40);
oEvent.stopPropagation = function(){ this.cancelBubble = true; };
if(oEvent.type == "mouseout") {
oEvent.relatedTarget = oEvent.toElement;
}else if(oEvent.type == "mouseover") {
oEvent.relatedTarget = oEvent.fromElement;
}
}
return oEvent;
}//欢迎来到站长特效网，我们d的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
var CurrentStyle = function(element){
return element.currentStyle || document.defaultView.getComputedStyle(element, null);
}
function addEventHandler(oTarget, sEventType, fnHandler) {
if (oTarget.addEventListener) {
oTarget.addEventListener(sEventType, fnHandler, false);
} else if (oTarget.attachEvent) {
oTarget.attachEvent("on" + sEventType, fnHandler);
} else {
oTarget["on" + sEventType] = fnHandler;
}
};
function removeEventHandler(oTarget, sEventType, fnHandler) {
    if (oTarget.removeEventListener) {
        oTarget.removeEventListener(sEventType, fnHandler, false);
    } else if (oTarget.detachEvent) {
        oTarget.detachEvent("on" + sEventType, fnHandler);
    } else {
        oTarget["on" + sEventType] = null;
    }
};
//拖放程序
var Drag = Class.create();
Drag.prototype = {
  //拖放对象
  initialize: function(drag, options) {
this.Drag = $(drag);//拖放对象
this._x = this._y = 0;//记录鼠标相对拖放对象的位置
this._marginLeft = this._marginTop = 0;//记录margin
//事件对象（用于绑定移除事件）
this._fM = BindAsEventListener(this, this.Move);
this._fS = Bind(this, this.Stop);
this.SetOptions(options);
this.Limit = !!this.options.Limit;
this.mxLeft = parseInt(this.options.mxLeft);
this.mxRight = parseInt(this.options.mxRight);
this.mxTop = parseInt(this.options.mxTop);
this.mxBottom = parseInt(this.options.mxBottom);
this.LockX = !!this.options.LockX;
this.LockY = !!this.options.LockY;
this.Lock = !!this.options.Lock;
this.onStart = this.options.onStart;
this.onMove = this.options.onMove;
this.onStop = this.options.onStop;
this._Handle = $(this.options.Handle) || this.Drag;
this._mxContainer = $(this.options.mxContainer) || null;
this.Drag.style.position = "absolute";
//透明
if(isIE && !!this.options.Transparent){
//填充拖放对象
with(this._Handle.appendChild(document.createElement("div")).style){
width = height = "100%"; backgroundColor = "#fff"; filter = "alpha(opacity:0)";
}
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码d，还有许多广告代码下载。
addEventHandler(this._Handle, "mousedown", BindAsEventListener(this, this.Start));
  },
  //设置默认属性
  SetOptions: function(options) {
this.options = {//默认值
Handle:"",//设置触发对象（不设置则使用拖放对象）
Limit:false,//是否设置范围限制（为true时下面参数有用，可以是负数）
mxLeft:0,//左边限制
mxRight:9999,//右边限制
mxTop:0,//上边限制
mxBottom:9999,//下边限制
mxContainer:"",//指定限制在容器内
LockX:false,//是否锁定水平方向拖放
LockY:false,//是否锁定垂直方向拖放
Lock:false,//是否锁定
Transparent:false,//是否透明
onStart:function(){},//开始移动时执行
onMove:function(){},//移动时执行
onStop:function(){}//结束移动时执行
};
Extend(this.options, options || {});
  },
  //准备拖动
  Start: function(oEvent) {
if(this.Lock){ return; }
if(this.Limit){
//修正错误范围参数
this.mxRight = Math.max(this.mxRight, this.mxLeft + this.Drag.offsetWidth);
this.mxBottom = Math.max(this.mxBottom, this.mxTop + this.Drag.offsetHeight);
//如果有容器必须设置position为relative来相对定位，并在获取offset之前设置
!this._mxContainer || CurrentStyle(this._mxContainer).position == "relative" || (this._mxContainer.style.position = "relative");
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，d本站收集大量高质量js代码，还有许多广告代码下载。
//记录鼠标相对拖放对象的位置
this._x = oEvent.clientX - this.Drag.offsetLeft;
this._y = oEvent.clientY - this.Drag.offsetTop;
//记录margin
this._marginLeft = parseInt(CurrentStyle(this.Drag).marginLeft) || 0;
this._marginTop = parseInt(CurrentStyle(this.Drag).marginTop) || 0;
//mousemove时移动，mouseup时停止
addEventHandler(document, "mousemove", this._fM);
addEventHandler(document, "mouseup", this._fS);
if(isIE){
//焦点丢失
addEventHandler(this._Handle, "losecapture", this._fS);
//设置鼠标捕获
this._Handle.setCapture();
}else{
//焦点丢失
addEventHandler(window, "blur", this._fS);
//阻止默认动作
oEvent.preventDefault();
};
//附加程序
this.onStart();
  },
  //拖动
  Move: function(oEvent) {
//判断是否锁定
if(this.Lock){ this.Stop(); return; };
//清除选择
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
//设置移动参数
var iLeft = oEvent.clientX - this._x, iTop = oEvent.clientY - this._y;
//设置范围限制
if(this.Limit){
//设置范围参数
var mxLeft = this.mxLeft, mxRight = this.mxRight, mxTop = this.mxTop, mxBottom = this.mxBottom;
//如果设置了容器，再修正范围参数
if(!!this._mxContainer){
mxLeft = Math.max(mxLeft, 0);
mxTop = Math.max(mxTop, 0);
mxRight = Math.min(mxRight, this._mxContainer.clientWidth);
mxBottom = Math.min(mxBottom, this._mxContainer.clientHeight);
};//欢迎来d到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
//修正移动参数
iLeft = Math.max(Math.min(iLeft, mxRight - this.Drag.offsetWidth), mxLeft);
iTop = Math.max(Math.min(iTop, mxBottom - this.Drag.offsetHeight), mxTop);
}
//设置位置，并修正margin
if(!this.LockX){ this.Drag.style.left = iLeft - this._marginLeft + "px"; }
if(!this.LockY){ this.Drag.style.top = iTop - this._marginTop + "px"; }
//附加程序
this.onMove();
  },
  //停止拖动
  Stop: function() {
//移除事件
removeEventHandler(document, "mousemove", this._fM);
removeEventHandler(document, "mouseup", this._fS);
if(isIE){
removeEventHandler(this._Handle, "losecapture", this._fS);
this._Handle.releaseCapture();
}else{
removeEventHandler(window, "blur", this._fS);
};
//附加程序
this.onStop();
  }
};
//缩放程序
var Resize = Class.create();
Resize.prototype = {
  //缩放对象
  initialize: function(obj, options) {
this._obj = $(obj);//缩放对象
this._right = this._down = this._left = this._up = 0;//坐标参数
this._scale = 1;//比例参数
this._touch = null;//当前触发对象
var _style = CurrentStyle(this._obj);
this._xBorder = (parseInt(_style.borderLeftWidth) || 0) + (parseInt(_style.borderRightWidth) || 0);
this._yBorder = (parseInt(_style.borderTopWidth) || 0) + (parseInt(_style.borderBottomWidth) || 0);
//事件对象（用于移除事件）
this._fR = BindAsEventListener(this, this.Resize);
this._fS = Bind(this, this.Stop);
this.SetOptions(options);
this.Limit = !!this.options.Limit;
this.mxLeft = parseInt(this.options.mxLeft);
this.mxRight = parseInt(this.options.mxRight);
this.mxTop = parseInt(this.options.mxTop);
this.mxBottom = parseInt(this.options.mxBottom);
this.minWidth = parseInt(this.options.minWidth);
this.minHeight = parseInt(this.options.minHeight);
this.Scale = !!this.options.Scale;
this.onResize = this.options.onResize;
this._obj.style.position = "absolute";
  },
  //设置默认属性
  SetOptions: function(options) {
    this.options = {//默认值
Limit:false,//是否设置限制（为true时下面mx参数有用）
mxLeft:0,//左边限制
mxRight:9999,//右边限制
mxTop:0,//上边限制
mxBottom:9999,//下边限制
//为减少难度设置最小宽高
minWidth:50,//最小宽度
minHeight:50,//最小高度
Scale:false,//是否按比例缩放
onResize:function(){}//缩放时执行
    };
    Extend(this.options, options || {});
  },
  //设置触发对象
  Set: function(resize, side) {
var resize = $(resize), _fun;
if(!resize) return;
//根据方向设置，_fun是缩放时执行的程序
switch (side.toLowerCase()) {
case "up" :
_fun = this.Up;
break;
case "down" :
_fun = this.Down;
break;
case "left" :
_fun = this.Left;
break;
case "right" :
_fun = this.Right;
break;
case "left-up" :
_fun = this.LeftUp;
break;
case "right-up" :
_fun = this.RightUp;
break;
case "left-down" :
_fun = this.LeftDown;
break;
case "right-down" :
default :
_fun = this.RightDown;
};
//设置触发对象
//resize.style.cursor = _cursor;
addEventHandler(resize, "mousedown", BindAsEventListener(this, function(e){
this._fun = _fun; this._touch = resize; this.Start(e);
}));
  },
  //准备缩放
  Start: function(oEvent, o) {
//防止冒泡
if(isIE){ oEvent.cancelBubble = true; } else { oEvent.stopPropagation(); }
//计算样式初始值
//计算样式初始值
this.style_width = this._obj.offsetWidth;
this.style_height = this._obj.offsetHeight;
this.style_left = this._obj.offsetLeft;
this.style_top = this._obj.offsetTop;
this.style_left_width = this.style_width + this.style_left;
this.style_top_height = this.style_height + this.style_top;
//计算当前边的对应另一条边的坐标，例如右边缩放时需要左边界坐标
this._left = oEvent.clientX - this.style_width;
this._right = oEvent.clientX + this.style_width;
this._up = oEvent.clientY - this.style_height;
this._down = oEvent.clientY + this.style_height;
//设置缩放比例
if(this.Scale){
this._scale = this.style_width / this.style_height;
this._x = this.style_left + this.style_width / 2;
this._y = this.style_top + this.style_height / 2;
if(this.Limit){
this._mxScaleWidth = Math.min((this._x - this.mxLeft), (this.mxRight - this._x)) * 2;
this._mxScaleHeight = Math.min((this._y - this.mxTop), (this.mxBottom - this._y)) * 2;
}
}//欢迎来到站长特效网，我们的网址d是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
//如果有范围，先计算好范围内最大宽度和高度
if(this.Limit){
this._mxRightWidth = this.mxRight - this.style_left;
this._mxDownHeight = this.mxBottom - this.style_top;
this.style_top_heightHeight = this.style_height + this.style_top - this.mxTop;
this.style_left_widthWidth = this.style_width + this.style_left - this.mxLeft;
};
//mousemove时缩放，mouseup时停止
addEventHandler(document, "mousemove", this._fR);
addEventHandler(document, "mouseup", this._fS);
if(isIE){
//焦点丢失
addEventHandler(this._touch, "losecapture", this._fS);
//设置鼠标捕获
this._touch.setCapture();
}else{
//焦点丢失
addEventHandler(window, "blur", this._fS);
//阻止默认动作
oEvent.preventDefault();
};//欢迎来到站长特效网，d我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
  },
  //缩放
  Resize: function(e) {
//没有触发对象的话返回
if(!this._touch) return;
//清除选择
window.getSelection ? window.getSelection().removeAllRanges() : document.selection.empty();
//执行缩放程序
this._fun(window.event || e);
//设置样式
//因为计算用的offset是把边框算进去的所以要减去
this._obj.style.width = this.style_width - this._xBorder + "px";
this._obj.style.height = this.style_height - this._yBorder + "px";
this._obj.style.top = this.style_top + "px";
this._obj.style.left = this.style_left + "px";
//附加程序
this.onResize();
  },
  //绑定程序
  //右边
  Up: function(oEvent) {
this.RepairY(this._down - oEvent.clientY, this.style_top_heightHeight);
this.style_top = this.style_top_height - this.style_height;
  },
    //右边
  Down: function(oEvent) {
this.RepairY(oEvent.clientY - this._up, this._mxDownHeight);
  },
  //右边
  Right: function(oEvent) {
this.RepairX(oEvent.clientX - this._left, this._mxRightWidth);
  },
  //右边
  Left: function(oEvent) {
this.RepairX(this._right - oEvent.clientX, this.style_left_widthWidth);
this.style_left = this.style_left_width - this.style_width;
  },
    //右边
  RepairY: function(iHeight,mxHeight) {
iHeight = Math.max(Math.min(iHeight, this.Limit ? mxHeight : iHeight), this.minHeight);
if(this.Scale){
var iWidth = parseInt(iHeight * this._scale);
if(iWidth < this.minWidth || (this.Limit && iWidth > this._mxScaleWidth)){
iWidth = Math.max(Math.min(iWidth, this.Limit ? this._mxScaleWidth : iWidth), this.minWidth);
iHeight = parseInt(iWidth / this._scale);
}//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长b，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
this.style_width = iWidth;
this.style_left = this._x - iWidth / 2;
}
this.style_height = iHeight;
  },
  //右边
  RepairX: function(iWidth,mxWidth) {
iWidth = Math.max(Math.min(iWidth, this.Limit ? mxWidth : iWidth), this.minWidth);
if(this.Scale){
var iHeight = parseInt(iWidth / this._scale);
if(iHeight < this.minHeight || (this.Limit && iHeight > this._mxScaleHeight)){
iHeight = Math.max(Math.min(iHeight, this.Limit ? this._mxScaleHeight : iHeight), this.minHeight);
iWidth = parseInt(iHeight * this._scale);
}
this.style_height = iHeight;
this.style_top = this._y - iHeight / 2;
}
this.style_width = iWidth;
  },
  //右边
  RightDown: function(oEvent) {
this.RepairAngle(
oEvent.clientX - this._left, this._mxRightWidth,
oEvent.clientY - this._up, this._mxDownHeight
);
  },
  //右边
  RightUp: function(oEvent) {
this.RepairAngle(
oEvent.clientX - this._left, this._mxRightWidth,
this._down - oEvent.clientY, this.style_top_heightHeight
);//欢迎来到站长特效网，a我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
this.style_top = this.style_top_height - this.style_height;
  },
  //右边
  LeftDown: function(oEvent) {
this.RepairAngle(
this._right - oEvent.clientX, this.style_left_widthWidth,
oEvent.clientY - this._up, this._mxDownHeight
);
this.style_left = this.style_left_width - this.style_width;
  },
  //右边
  LeftUp: function(oEvent) {
this.RepairAngle(
this._right - oEvent.clientX, this.style_left_widthWidth,
this._down - oEvent.clientY, this.style_top_heightHeight
);
this.style_top = this.style_top_height - this.style_height;
this.style_left = this.style_left_width - this.style_width;
  },
  //右边
  RepairAngle: function(iWidth,mxWidth,iHeight,mxHeight) {
iWidth = Math.max(Math.min(iWidth, this.Limit ? mxWidth : iWidth), this.minWidth);
iHeight = this.Scale ? parseInt(iWidth / this._scale) : iHeight;
if(iHeight < this.minHeight || (this.Limit && iHeight > mxHeight)){
iHeight = Math.max(Math.min(iHeight, this.Limit ? mxHeight : iHeight), this.minHeight);
this.Scale && (iWidth = parseInt(iHeight * this._scale));
}
this.style_width = iWidth;
this.style_height = iHeight;
  },
  //停止缩放
  Stop: function() {
//移除事件
removeEventHandler(document, "mousemove", this._fR);
removeEventHandler(document, "mouseup", this._fS);
if(isIE){
removeEventHandler(this._touch, "losecapture", this._fS);
this._touch.releaseCapture();
}else{
removeEventHandler(window, "blur", this._fS);
}
this._touch = null;
  }
};//欢迎来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
</script>
</head>
<body>
<a href="http://www.zzjs.net/">站长特效网</a>,站长必备的高质量网页特效和广告代码。zzjs.net，站长js特效。<hr>

<div id="bgDiv" style="width:600px; height:300px; border:10px solid #666666; position:relative;">
  <div id="dragDiv">
    <div id="rRightDown" style="right:0; bottom:0;"> </div>
    <div id="rLeftDown" style="left:0; bottom:0;"> </div>
    <div id="rRightUp" style="right:0; top:0;"> </div>
    <div id="rLeftUp" style="left:0; top:0;"> </div>
    <div id="rRight" style="right:0; top:50%;margin-top:-5px;"> </div>
    <div id="rLeft" style="left:0; top:50%;margin-top:-5px;"> </div>
    <div id="rUp" style="top:0; left:50%;margin-left:-5px;"> </div>
    <div id="rDown" style="bottom:0;left:50%;margin-left:-5px;"></div>
  </div>
</div>
<input id="idScale" type="button" value="设置比例" />
<div id="aa"></div>
<script language="javascript">
var _resize = new Resize("dragDiv", { Limit: true });
_resize.Set("rRightDown", "right-down");
_resize.Set("rLeftDown", "left-down");
_resize.Set("rRightUp", "right-up");
_resize.Set("rLeftUp", "left-up");
_resize.Set("rRight", "right");
_resize.Set("rLeft", "left");
_resize.Set("rUp", "up");
_resize.Set("rDown", "down");
_resize.mxRight = 600;
_resize.mxBottom = 300;
$("idScale").onclick = function(){
if(_resize.Scale){
this.value = "设置比例";
_resize.Scale = false;
}else{
this.value = "取消比例";
_resize.Scale = true;
}
}//欢迎 来到站长特效网，我们的网址是www.zzjs.net，很好记，zz站长，js就是js特效，本站收集大量高质量js代码，还有许多广告代码下载。
var drag = new Drag("dragDiv", {mxContainer: "bgDiv", Limit: true});
</script>
</body>
</html>

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排行总榜

避免你的邮箱地址被自动收集的代码
有趣的按钮
控制用按钮打开新窗口的属性
单击按钮或图片打开IE首页
点击按钮打印该页
仿软件浮动按钮
在规定时间内方有效的按钮
一个按钮完成对文本框内容的复制
按钮选中文本框内所有内容
Windows式样的按钮

缩放窗口可控制效果

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