网络编程

多种类型jQuery网页验证码插件代码实例
网络编程 2024/12/27 佚名
3 2

html

<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no">
<title>jQuery网页验证码插件</title>
<link rel="stylesheet" type="text/css" href="css/verify.css" rel="external nofollow" >
</head>
<body>
<h3>数字字母验证码</h3>
<div id="mpanel2" ></div>
<button type="button" id="check-btn" class="verify-btn">确定</button>
<h3 style="margin-top: 20px">算数验证码</h3>
<div id="mpanel3"></div>
<button type="button" id="check-btn2" class="verify-btn">确定</button>
 
<h3 style="margin-top: 20px">滑动验证码</h3>
<div id="mpanel1" ></div>
 
<h3 style="margin-top: 20px">拼图验证码</h3>
<div id="mpanel4"></div>
 
<h3 style="margin-top:30px;">点选验证码</h3>
<div id="mpanel5">
</div>
<div id="mpanel6" style="margin-top:30px;">
</div>
 
<script type="text/javascript" src="/UploadFiles/2021-04-02/jquery.min.js">


verify.css





/*常规验证码*/
.verify-code {
	font-size: 20px;
	text-align: center;
	cursor: pointer;
	margin-bottom: 5px;
	border: 1px solid #ddd;
}
 
.cerify-code-panel {
	height:100%;
	overflow:hidden;
}
 
.verify-code-area {
	float:left;
}
 
.verify-input-area {
	float: left;
	width: 60%;
	padding-right: 10px;
}
.verify-change-area {
	line-height: 30px;
	float: left;
}
.varify-input-code {
	display:inline-block;
	width: 100%;
	height: 25px;
}
 
.verify-change-code {
	color: #337AB7;
	cursor: pointer;
}
 
.verify-btn {
	width: 200px;
	height: 30px;
	background-color: #337AB7;
	color:#FFFFFF;
	border:none;
	margin-top: 10px;
}
 
 
 
 
 
 
/*滑动验证码*/
.verify-bar-area {
 position: relative;
 background: #FFFFFF;
 	text-align: center;
 -webkit-box-sizing: content-box;
 -moz-box-sizing: content-box;
 box-sizing: content-box;
 	border: 1px solid #ddd;
 	-webkit-border-radius: 4px;
}
 
.verify-bar-area .verify-move-block {
 position: absolute;
 top: 0px;
 left: 0;
 background: #fff;
 cursor: pointer;
 -webkit-box-sizing: content-box;
 -moz-box-sizing: content-box;
 box-sizing: content-box;
 box-shadow: 0 0 2px #888888;
 -webkit-border-radius: 1px;
}
 
.verify-bar-area .verify-move-block:hover {
 background-color: #337ab7;
 color: #FFFFFF;
}
 
.verify-bar-area .verify-left-bar {
 position: absolute;
 top: -1px;
 left: -1px;
 	background: #f0fff0;
 cursor: pointer;
 -webkit-box-sizing: content-box;
 -moz-box-sizing: content-box;
 box-sizing: content-box;
 border: 1px solid #ddd;
}
 
.verify-img-panel {
	margin:0;
	-webkit-box-sizing: content-box;
 -moz-box-sizing: content-box;
 box-sizing: content-box;
	border: 1px solid #ddd;
	border-radius: 3px;
	position: relative;
}
 
.verify-img-panel .verify-refresh {
	width: 25px;
	height: 25px;
	text-align:center;
	padding: 5px;
	cursor: pointer;
	position: absolute;
	top: 0;
	right: 0;
	z-index: 2;
}
 
.verify-img-panel .icon-refresh {
	font-size: 20px;
	color: #fff;
}
 
.verify-img-panel .verify-gap {
	background-color: #fff;
	position: relative;
	z-index: 2;
	border:1px solid #fff;
}
 
.verify-bar-area .verify-move-block .verify-sub-block {
	position: absolute;
 text-align: center;
	z-index: 3;
	border: 1px solid #fff;
}
 
.verify-bar-area .verify-move-block .verify-icon {
	font-size: 18px;
}
 
.verify-bar-area .verify-msg {
	z-index : 3;
}
 
/*字体图标的css*/
@font-face {font-family: "iconfont";
 src: url('../fonts/iconfont.eot"iconfont" !important;
 font-size:16px;
 font-style:normal;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
}
 
.icon-check:before { content: "\e645"; }
 
.icon-close:before { content: "\e646"; }
 
.icon-right:before { content: "\e6a3"; }
 
.icon-refresh:before { content: "\e6a4"; }





verify.js





/*! Verify-v0.1.0 MIT License by 大熊*/
 
;(function($, window, document,undefined) {
 
	//定义Code的构造函数
 var Code = function(ele, opt) {
 this.$element = ele,
 this.defaults = {
 	type : 1,
 	figure : 100,	//位数，仅在type=2时生效
 	arith : 0,	//算法，支持加减乘，0为随机，仅在type=2时生效
 	width : '200px',
		 height : '60px',
		 fontSize : '30px',
 	codeLength : 6,
 	btnId : 'check-btn',
 	ready : function(){},
 	success : function(){},
  error : function(){}
 },
 this.options = $.extend({}, this.defaults, opt)
 };
 var _code_chars = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'];
 var _code_color1 = ['#fffff0', '#f0ffff', '#f0fff0', '#fff0f0'];
 var _code_color2 = ['#FF0033', '#006699', '#993366', '#FF9900', '#66CC66', '#FF33CC'];
 
 //定义Code的方法
 Code.prototype = {
 	init : function() {
			var _this = this;
			this.loadDom();
			this.setCode();
			this.options.ready();
			this.$element[0].onselectstart = document.body.ondrag = function(){
				return false;
			};
			//点击验证码
			this.$element.find('.verify-code, .verify-change-code').on('click', function() {
				_this.setCode();
			});
			//确定的点击事件
			this.htmlDoms.code_btn.on('click', function() {
				_this.checkCode();
			});
 	},
 
 	//加载页面
 	loadDom : function() {
 		var panelHtml = '<div class="cerify-code-panel">  <div class="verify-code"></div>  <div class="verify-code-area">   <div class="verify-input-area">   <input type="text" class="varify-input-code"/>   </div>   <div class="verify-change-area">   <a class="verify-change-code">换一张</a>   </div>  </div>  </div>';
 	this.$element.append(panelHtml);
 
 	this.htmlDoms = {
 		code_btn : $('#'+this.options.btnId),
 		code : this.$element.find('.verify-code'),
 		code_area : this.$element.find('.verify-code-area'),
 		code_input : this.$element.find('.varify-input-code'),
 	};
 
 	this.htmlDoms.code.css({'width':this.options.width, 'height':this.options.height,'line-height':this.options.height, 'font-size':this.options.fontSize});
 	this.htmlDoms.code_area.css({'width':this.options.width});
 	},
 
 	//设置验证码
 	setCode : function() {
 		var color1Num = Math.floor(Math.random() * 3);
 		var color2Num = Math.floor(Math.random() * 5);
 
 		this.htmlDoms.code.css({'background-color': _code_color1[color1Num], 'color': _code_color2[color2Num]});
 		this.htmlDoms.code_input.val('');
 
 		var code = '';
 		this.code_chose = '';
 
 		if(this.options.type == 1) {	//普通验证码
				for(var i = 0; i < this.options.codeLength; i++) {
					var charNum = Math.floor(Math.random() * 52);
					var tmpStyle = (charNum%2 ==0)"font-style:italic;margin-right: 10px;":"font-weight:bolder;";
					tmpStyle += (Math.floor(Math.random() * 2) == 1)"font-weight:bolder;":"";
					this.code_chose += _code_chars[charNum];
					code += '<font style="'+tmpStyle+'">'+_code_chars[charNum]+'</font>';
				}
 		}else {		//算法验证码
 			var num1 = Math.floor(Math.random() * this.options.figure);
 			var num2 = Math.floor(Math.random() * this.options.figure);
 
 			if(this.options.arith == 0) {
 				var tmparith = Math.floor(Math.random() * 3);
 			}
 
 			switch(tmparith) {
 				case 1 :
 					this.code_chose = parseInt(num1) + parseInt(num2);
 					code = num1 + ' + ' + num2 + ' = "touchmove", function(e) {
  	_this.move(e);
  });
  window.addEventListener("mousemove", function(e) {
  	_this.move(e);
  });
 
  //鼠标松开
  window.addEventListener("touchend", function() {
  	_this.end();
  });
  window.addEventListener("mouseup", function() {
  	_this.end();
  });
 
  //刷新
  _this.$element.find('.verify-refresh').on('click', function() {
  	_this.refresh();
  });
 },
 
 //初始化加载
 loadDom : function() {
 	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
 
 	var panelHtml = '';
 	var tmpHtml = '';
 
 	if(this.options.type != 1) {		//图片滑动
 		panelHtml += '<div class="verify-img-panel">  <div class="verify-refresh">   <i class="iconfont icon-refresh"></i>  </div>   <div class="verify-gap"></div>  </div>';
 		tmpHtml = '<div class="verify-sub-block"></div>';
 	}
 
 	panelHtml += '<div class="verify-bar-area">  <span class="verify-msg">向右滑动完成验证</span>  <div class="verify-left-bar">  <span class="verify-msg"></span>  <div class="verify-move-block">  <i class="verify-icon iconfont icon-right"></i>'+tmpHtml+'</div></div></div>';
 	this.$element.append(panelHtml);
 
 	this.htmlDoms = {
 		gap : this.$element.find('.verify-gap'),
 		sub_block : this.$element.find('.verify-sub-block'),
 		img_panel : this.$element.find('.verify-img-panel'),
 		bar_area : this.$element.find('.verify-bar-area'),
 		move_block : this.$element.find('.verify-move-block'),
 		left_bar : this.$element.find('.verify-left-bar'),
 		msg : this.$element.find('.verify-msg'),
 		icon : this.$element.find('.verify-icon'),
 		refresh :this.$element.find('.verify-refresh')
 	};
 
 	this.status = false;	//鼠标状态
 	this.setSize = this.resetSize(this);	//重新设置宽度高度
 
 	this.htmlDoms.gap.css({'width': this.options.blockSize.width, 'height': this.options.blockSize.height});
 	this.htmlDoms.sub_block.css({'width': this.options.blockSize.width, 'height': this.options.blockSize.height});
 	this.htmlDoms.img_panel.css({'width': this.setSize.img_width, 'height': this.setSize.img_height, 'background': 'url(images/'+this.options.imgName[this.img_rand]+')', 'background-size' : this.setSize.img_width + ' '+ this.setSize.img_height});
 	this.htmlDoms.bar_area.css({'width': this.setSize.bar_width, 'height': this.options.barSize.height, 'line-height':this.options.barSize.height});
 	this.htmlDoms.move_block.css({'width': this.options.barSize.height, 'height': this.options.barSize.height});
 	this.htmlDoms.left_bar.css({'width': this.options.barSize.height, 'height': this.options.barSize.height});
 
 	this.randSet();
 },
 
 //鼠标按下
 start: function(e) {
 	this.htmlDoms.msg.text('');
 	this.htmlDoms.move_block.css('background-color', '#337ab7');
 	this.htmlDoms.left_bar.css('border-color', '#337AB7');
 	this.htmlDoms.icon.css('color', '#fff');
 	e.stopPropagation();
 	this.status = true;
 },
 //鼠标移动
 move: function(e) {
 	if(this.status) {
	  if(!e.touches) { //兼容移动端
	  var x = e.clientX;
	  }else { //兼容PC端
	  var x = e.touches[0].pageX;
	  }
	  var bar_area_left = Slide.prototype.getLeft(this.htmlDoms.bar_area[0]);
	  var move_block_left = x - bar_area_left; //小方块相对于父元素的left值
	  if(this.options.type != 1) {		//图片滑动
	  	if(move_block_left >= this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.blockSize.width)/2) - 2) {
	  	move_block_left = this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.blockSize.width)/2) - 2;
	  	}
	  }else {		//普通滑动
	  	if(move_block_left >= this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.barSize.height)/2) + 3) {
	  		this.$element.find('.verify-msg:eq(1)').text('松开验证');
	  	move_block_left = this.htmlDoms.bar_area[0].offsetWidth - parseInt(parseInt(this.options.barSize.height)/2) + 3;
	  	}else {
	  		this.$element.find('.verify-msg:eq(1)').text('');
	  	}
	  }
 
 
	  if(move_block_left <= 0) {
  		move_block_left = parseInt(parseInt(this.options.blockSize.width)/2);
  	}
 
	  //拖动后小方块的left值
	  this.htmlDoms.move_block.css('left', move_block_left-parseInt(parseInt(this.options.blockSize.width)/2) + "px");
	  this.htmlDoms.left_bar.css('width', move_block_left-parseInt(parseInt(this.options.blockSize.width)/2) + "px");
	 }
 },
 
 //鼠标松开
 end: function() {
 
 	var _this = this;
 
 	//判断是否重合
 	if(this.status) {
 
 		if(this.options.type != 1) {		//图片滑动
 
 			var vOffset = parseInt(this.options.vOffset);
		  if(parseInt(this.htmlDoms.gap.css('left')) >= (parseInt(this.htmlDoms.move_block.css('left')) - vOffset) && parseInt(this.htmlDoms.gap.css('left')) <= (parseInt(this.htmlDoms.move_block.css('left')) + vOffset)) {
		  	this.htmlDoms.move_block.css('background-color', '#5cb85c');
		  	this.htmlDoms.left_bar.css({'border-color': '#5cb85c', 'background-color': '#fff'});
		  	this.htmlDoms.icon.css('color', '#fff');
		  	this.htmlDoms.icon.removeClass('icon-right');
		  	this.htmlDoms.icon.addClass('icon-check');
		  	this.htmlDoms.refresh.hide();
		  	this.htmlDoms.move_block.unbind('mousedown touchstart');
		  	this.options.success();
		  }else{
		  	this.htmlDoms.move_block.css('background-color', '#d9534f');
		  	this.htmlDoms.left_bar.css('border-color', '#d9534f');
		  	this.htmlDoms.icon.css('color', '#fff');
		  	this.htmlDoms.icon.removeClass('icon-right');
		  	this.htmlDoms.icon.addClass('icon-close');
 
		  	setTimeout(function () {
					 	_this.htmlDoms.move_block.animate({'left':'0px'}, 'fast');
					 	_this.htmlDoms.left_bar.animate({'width': '40px'}, 'fast');
					 	_this.htmlDoms.left_bar.css({'border-color': '#ddd'});
 
					 	_this.htmlDoms.move_block.css('background-color', '#fff');
					 	_this.htmlDoms.icon.css('color', '#000');
					 	_this.htmlDoms.icon.removeClass('icon-close');
		  		_this.htmlDoms.icon.addClass('icon-right');
		  		_this.$element.find('.verify-msg:eq(0)').text('向右滑动完成验证');
 
					 }, 400);
 
		  	this.options.error();
		  }
 
 		}else {		//普通滑动
 
 			if(parseInt(this.htmlDoms.move_block.css('left')) >= (parseInt(this.setSize.bar_width) - parseInt(this.options.barSize.height) - parseInt(this.options.vOffset))) {
 				this.htmlDoms.move_block.css('background-color', '#5cb85c');
 				this.htmlDoms.left_bar.css({'color': '#4cae4c', 'border-color': '#5cb85c', 'background-color': '#fff' });
 				this.htmlDoms.icon.css('color', '#fff');
		  	this.htmlDoms.icon.removeClass('icon-right');
		  	this.htmlDoms.icon.addClass('icon-check');
		  	this.htmlDoms.refresh.hide();
		  	this.htmlDoms.move_block.unbind('mousedown');
		  	this.htmlDoms.move_block.unbind('touchstart');
 				this.$element.find('.verify-msg:eq(1)').text('验证成功');
 				this.options.success();
 			}else {
 
 				this.htmlDoms.move_block.css('background-color', '#d9534f');
		  	this.htmlDoms.left_bar.css('border-color', '#d9534f');
		  	this.htmlDoms.icon.css('color', '#fff');
		  	this.htmlDoms.icon.removeClass('icon-right');
		  	this.htmlDoms.icon.addClass('icon-close');
 
		  	setTimeout(function () {
					 	_this.htmlDoms.move_block.animate({'left':'0px'}, 'fast');
					 	_this.htmlDoms.left_bar.animate({'width': '40px'}, 'fast');
					 	_this.htmlDoms.left_bar.css({'border-color': '#ddd'});
 
					 	_this.htmlDoms.move_block.css('background-color', '#fff');
					 	_this.htmlDoms.icon.css('color', '#000');
					 	_this.htmlDoms.icon.removeClass('icon-close');
		  		_this.htmlDoms.icon.addClass('icon-right');
		  		_this.$element.find('.verify-msg:eq(0)').text('向右滑动解锁');
 
					 }, 400);
 
		  	this.options.error();
 			}
 		}
 
	  this.status = false;
 	}
 },
 
 
 resetSize : function(obj) {
 	var img_width,img_height,bar_width,bar_height;	//图片的宽度、高度，移动条的宽度、高度
 	var parentWidth = obj.$element.parent().width() || $(window).width();
 	var parentHeight = obj.$element.parent().height() || $(window).height();
 
 		if(obj.options.imgSize.width.indexOf('%')!= -1){
 		img_width = parseInt(obj.options.imgSize.width)/100 * parentWidth + 'px';
		　　}else {
				img_width = obj.options.imgSize.width;
			}
 
			if(obj.options.imgSize.height.indexOf('%')!= -1){
 		img_height = parseInt(obj.options.imgSize.height)/100 * parentHeight + 'px';
		　　}else {
				img_height = obj.options.imgSize.height;
			}
 
			if(obj.options.barSize.width.indexOf('%')!= -1){
 		bar_width = parseInt(obj.options.barSize.width)/100 * parentWidth + 'px';
		　　}else {
				bar_width = obj.options.barSize.width;
			}
 
			if(obj.options.barSize.height.indexOf('%')!= -1){
 		bar_height = parseInt(obj.options.barSize.height)/100 * parentHeight + 'px';
		　　}else {
				bar_height = obj.options.barSize.height;
			}
 
			return {img_width : img_width, img_height : img_height, bar_width : bar_width, bar_height : bar_height};
 	},
 
 //随机出生点位
 randSet: function() {
 	var rand1 = Math.floor(Math.random()*9+1);
 	var rand2 = Math.floor(Math.random()*9+1);
 	var top = rand1 * parseInt(this.setSize.img_height)/15 + parseInt(this.setSize.img_height) * 0.1;
 	var left = rand2 * parseInt(this.setSize.img_width)/15 + parseInt(this.setSize.img_width) * 0.1;
 
 	this.$element.find('.verify-img-panel').css('margin-bottom', this.options.vSpace + 'px');
 	this.$element.find('.verify-gap').css({'top': top, 'left': left});
  	this.$element.find('.verify-sub-block').css({'top':'-'+(parseInt(this.setSize.img_height)- top + this.options.vSpace + 2)+'px', 'background-image': 'url(images/'+this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height,'background-position-y': '-'+top+ 'px', 'background-position-x': '-'+left+'px'});
 },
 
 //刷新
 refresh: function() {
 	this.randSet();
 	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
  this.$element.find('.verify-img-panel').css({'background': 'url(images/'+this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height});
  this.$element.find('.verify-sub-block').css({'background-image': 'url(images/'+this.options.imgName[this.img_rand]+')', 'background-size': this.setSize.img_width + ' '+ this.setSize.img_height});
 },
 
 //获取left值
 getLeft: function(node) {
			var left = $(node).offset().left;
//  var nowPos = node.offsetParent;
//
//  while(nowPos != null) {　　
//  left += $(nowPos).offset().left;　
//  nowPos = nowPos.offsetParent;　　
//  }
  return left;
 }
 };
 
 //定义Points的构造函数
 var Points = function(ele, opt) {
 this.$element = ele,
 this.defaults = {
 	defaultNum : 4,	//默认的文字数量
		 checkNum : 3,	//校对的文字数量
		 vSpace : 5,	//间隔
 	imgName : ['1.jpg', '2.jpg'],
 	imgSize : {
	 	width: '400px',
	 	height: '200px',
	 },
	 barSize : {
	 	width : '400px',
	 	height : '40px',
	 },
	 ready : function(){},
 	success : function(){},
  error : function(){}
 },
 this.options = $.extend({}, this.defaults, opt)
 };
 
 //定义Points的方法
 Points.prototype = {
 	init : function() {
 
			var _this = this;
 
			//加载页面
 	_this.loadDom();
 
 	_this.refresh();
 	_this.options.ready();
 
 	this.$element[0].onselectstart = document.body.ondrag = function(){
				return false;
			};
 
		 	//点击事件比对
 	_this.$element.find('.verify-img-panel canvas').on('click', function(e) {
 
				_this.checkPosArr.push(_this.getMousePos(this, e));
 
				if(_this.num == _this.options.checkNum) {
 
					_this.num = _this.createPoint(_this.getMousePos(this, e));
					setTimeout(function () {
						var flag = _this.comparePos(_this.fontPos, _this.checkPosArr);
 
						if(flag == false) {	//验证失败
 
							_this.options.error();
							_this.$element.find('.verify-bar-area').css({'color': '#d9534f', 'border-color': '#d9534f'});
						 _this.$element.find('.verify-msg').text('验证失败');
 
							setTimeout(function () {
								_this.$element.find('.verify-bar-area').css({'color': '#000','border-color': '#ddd'});
						 	_this.refresh();
						 }, 400);
 
						}else {	//验证成功
							_this.$element.find('.verify-bar-area').css({'color': '#4cae4c', 'border-color': '#5cb85c'});
							_this.$element.find('.verify-msg').text('验证成功');
							_this.$element.find('.verify-refresh').hide();
							_this.$element.find('.verify-img-panel').unbind('click');
							_this.options.success();
						}
					}, 400);
 
				}
 
				if(_this.num < _this.options.checkNum) {
					_this.num = _this.createPoint(_this.getMousePos(this, e));
				}
 
 	});
 
 	 //刷新
  _this.$element.find('.verify-refresh').on('click', function() {
  	_this.refresh();
  });
 
 	},
 
 
 
 	//加载页面
 	loadDom : function() {
 
 		this.fontPos = [];	//选中的坐标信息
 		this.checkPosArr = [];	//用户点击的坐标
 		this.num = 1;	//点击的记数
 		this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
 
 	var panelHtml = '';
 	var tmpHtml = '';
 
 	this.setSize = Slide.prototype.resetSize(this);	//重新设置宽度高度
 
 	panelHtml += '<div class="verify-img-panel"><div class="verify-refresh" style="z-index:9999"><i class="iconfont icon-refresh"></i></div><canvas width="'+this.setSize.img_width+'" height="'+this.setSize.img_height+'"></canvas></div><div class="verify-bar-area"><span class="verify-msg"></span></div>';
 
 	this.$element.append(panelHtml);
 
 
 	this.htmlDoms = {
 		img_panel : this.$element.find('.verify-img-panel'),
 		bar_area : this.$element.find('.verify-bar-area'),
 		msg : this.$element.find('.verify-msg'),
 	};
 
 		this.htmlDoms.img_panel.css({'width': this.setSize.img_width, 'height': this.setSize.img_height, 'background-size' : this.setSize.img_width + ' '+ this.setSize.img_height, 'margin-bottom': this.options.vSpace + 'px'});
 		this.htmlDoms.bar_area.css({'width': this.options.barSize.width, 'height': this.options.barSize.height, 'line-height':this.options.barSize.height});
 
 	},
 
 	//绘制合成的图片
 	drawImg : function(obj, img) {
 		//准备canvas环境
	 	var canvas = this.$element.find('canvas')[0];
	 	//var canvas=document.getElementById("myCanvas");
	 	var ctx=canvas.getContext("2d");
 
	 	// 绘制图片
	 	ctx.drawImage(img,0,0, parseInt(this.setSize.img_width), parseInt(this.setSize.img_height));
 
	 	// 绘制水印
	 	var fontSizeArr = ['italic small-caps bold 20px microsoft yahei', 'small-caps normal 25px arial', '34px microsoft yahei'];
	 	var fontStr = '天地玄黄宇宙洪荒日月盈昃辰宿列张寒来暑往秋收冬藏闰余成岁律吕调阳云腾致雨露结为霜金生丽水玉出昆冈剑号巨阙珠称夜光果珍李柰菜重芥姜海咸河淡鳞潜羽翔龙师火帝鸟官人皇始制文字乃服衣裳推位让国有虞陶唐吊民伐罪周发殷汤坐朝问道垂拱平章爱育黎首臣伏戎羌遐迩体率宾归王';	//不重复的汉字
 
 
	 	var fontChars = [];
 
	 	var avg = Math.floor(parseInt(this.setSize.img_width)/(parseInt(this.options.defaultNum)+1));
	 	var tmp_index = '';
	 	var color2Num = Math.floor(Math.random() * 5);
 
	 	for(var i = 1; i <= this.options.defaultNum; i++) {
 
	 		fontChars[i-1] = this.getChars(fontStr, fontChars);
 
	 		tmp_index = Math.floor(Math.random()*3);
	 		ctx.font = fontSizeArr[tmp_index];
		 	ctx.fillStyle = _code_color2[color2Num];
 
		 	if(Math.floor(Math.random() * 2) == 1) {
		 		var tmp_y = Math.floor(parseInt(this.setSize.img_height)/2) + tmp_index*20 + 20;
		 	}else {
		 		var tmp_y = Math.floor(parseInt(this.setSize.img_height)/2) - tmp_index*20;
		 	}
 
		 	ctx.fillText(fontChars[i-1],avg * i, tmp_y);
		 	this.fontPos[i-1] = {'char': fontChars[i-1], 'x': avg * i, 'y': tmp_y};
 
	 	}
 
	 	for(var i = 0; i < (this.options.defaultNum-this.options.checkNum); i++) {
	 		this.shuffle(this.fontPos).pop();
	 	}
 
	 	var msgStr = '';
	 	for(var i = 0; i < this.fontPos.length; i++) {
	 		msgStr += this.fontPos[i].char + ',';
	 	}
 
	 	this.htmlDoms.msg.text('请顺序点击【' + msgStr.substring(0,msgStr.length-1) + '】');
 
	 	return this.fontPos;
 	},
 
 	//获取坐标
 	getMousePos :function(obj, event) {
  var e = event || window.event;
  var scrollX = document.documentElement.scrollLeft || document.body.scrollLeft;
  var scrollY = document.documentElement.scrollTop || document.body.scrollTop;
  var x = e.clientX - ($(obj).offset().left - $(window).scrollLeft());
 		var y = e.clientY - ($(obj).offset().top - $(window).scrollTop());
 
  return {'x': x, 'y': y};
 	},
 
 	//递归去重
 	getChars : function(fontStr, fontChars) {
 
 		var tmp_rand = parseInt(Math.floor(Math.random() * fontStr.length));
 		if(tmp_rand > 0) {
 			tmp_rand = tmp_rand - 1;
 		}
 
 		tmp_char = fontStr.charAt(tmp_rand);
 		if($.inArray(tmp_char, fontChars) == -1) {
 			return tmp_char;
 		}else {
 			return Points.prototype.getChars(fontStr, fontChars);
 		}
 	},
 
		//洗牌数组
 	shuffle : function(arr) {
			var m = arr.length, i;
			while (m) {
				i = (Math.random() * m--) > 0;
				[arr[m], arr[i]] = [arr[i], arr[m]]
			}
			return arr;
		},
 
 	//创建坐标点
 	createPoint : function (pos) {
 		this.htmlDoms.img_panel.append('<div class="point-area" style="background-color:#1abd6c;color:#fff;z-index:9999;width:30px;height:30px;text-align:center;line-height:30px;border-radius: 50%;position:absolute;top:'+parseInt(pos.y-10)+'px;left:'+parseInt(pos.x-10)+'px;">'+this.num+'</div>');
 		return ++this.num;
 	},
 
 	//比对坐标点
 	comparePos : function (fontPos, checkPosArr) {
 
 		var flag = true;
 		for(var i = 0; i < fontPos.length; i++) {
 			if(!(parseInt(checkPosArr[i].x) + 40 > fontPos[i].x && parseInt(checkPosArr[i].x) - 40 < fontPos[i].x && parseInt(checkPosArr[i].y) + 40 > fontPos[i].y && parseInt(checkPosArr[i].y) - 40 < fontPos[i].y)) {
 				flag = false;
 				break;
 			}
 		}
 
 		return flag;
 	},
 
 	//刷新
 refresh: function() {
 	var _this = this;
 	this.$element.find('.point-area').remove();
 	this.fontPos = [];
 	this.checkPosArr = [];
 	this.num = 1;
 
 	this.img_rand = Math.floor(Math.random() * this.options.imgName.length);			//随机的背景图片
 	var img = new Image();
		 img.src = 'images/'+this.options.imgName[this.img_rand];
 
 
		 	// 加载完成开始绘制
		 	$(img).on('load', function(e) {
 		this.fontPos = _this.drawImg(_this, this);
 	});
 
 },
 
 };
 
 //在插件中使用codeVerify对象
 $.fn.codeVerify = function(options, callbacks) {
 var code = new Code(this, options);
 code.init();
 };
 
 //在插件中使用slideVerify对象
 $.fn.slideVerify = function(options, callbacks) {
 var slide = new Slide(this, options);
 slide.init();
 };
 
 //在插件中使用clickVerify对象
 $.fn.pointsVerify = function(options, callbacks) {
 var points = new Points(this, options);
 points.init();
 };
 
})(jQuery, window, document);
标签：
jQuery网页验证码插件,验证码插件
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