html
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<!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="js/jquery.min.js"></script>
<script type="text/javascript" src="js/verify.js" ></script>
<script type="text/javascript">
$('#mpanel2').codeVerify({
type : 1,
width : '200px',
height : '50px',
fontSize : '30px',
codeLength : 6,
btnId : 'check-btn',
ready : function() {
},
success : function() {
alert('验证匹配！');
},
error : function() {
alert('验证码不匹配！');
}
});
$('#mpanel3').codeVerify({
type : 2,
figure : 50, //位数，仅在type=2时生效
arith : 0, //算法，支持加减乘，不填为随机，仅在type=2时生效
width : '200px',
height : '50px',
fontSize : '30px',
btnId : 'check-btn2',
ready : function() {
},
success : function() {
alert('验证匹配！');
},
error : function() {
alert('验证码不匹配！');
}
});
$('#mpanel1').slideVerify({
type : 1, //类型
vOffset : 5, //误差量，根据需求自行调整
barSize : {
width : '50%',
height : '40px',
},
ready : function() {
},
success : function() {
alert('验证成功，添加你自己的代码！');
//......后续操作
},
error : function() {
// alert('验证失败！');
}
});
$('#mpanel4').slideVerify({
type : 2, //类型
vOffset : 5, //误差量，根据需求自行调整
vSpace : 5, //间隔
imgName : ['1.jpg', '2.jpg'],
imgSize : {
width: '300px',
height: '200px',
},
blockSize : {
width: '40px',
height: '40px',
},
barSize : {
width : '300px',
height : '40px',
},
ready : function() {
},
success : function() {
alert('验证成功，添加你自己的代码！');
//......后续操作
},
error : function() {
// alert('验证失败！');
}
});
$('#mpanel5').pointsVerify({
defaultNum : 4, //默认的文字数量
checkNum : 2, //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() {
alert('验证成功，添加你自己的代码！');
//......后续操作
},
error : function() {
// alert('验证失败！');
}
});
$('#mpanel6').pointsVerify({
defaultNum : 4, //默认的文字数量
checkNum : 2, //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() {
alert('验证成功，添加你自己的代码！');
//......后续操作
},
error : function() {
// alert('验证失败！');
}
});
</script>
</body>
</html>
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verify.css
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/*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?t=1508229193188'); /* IE9*/
src: url('../fonts/iconfont.eot?t=1508229193188#iefix') format('embedded-opentype'), /* IE6-IE8 */
url('data:application/x-font-woff;charset=utf-8;base64,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') format('woff'),
url('../fonts/iconfont.ttf?t=1508229193188') format('truetype'), /* chrome, firefox, opera, Safari, Android, iOS 4.2+*/
url('../fonts/iconfont.svg?t=1508229193188#iconfont') format('svg'); /* iOS 4.1- */
}
.iconfont {
font-family:"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
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/*! 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 + ' = ?';
break;
case 2 :
if(parseInt(num1) < parseInt(num2)) {
var tmpnum = num1;
num1 = num2;
num2 = tmpnum;
}
this.code_chose = parseInt(num1) - parseInt(num2);
code = num1 + ' - ' + num2 + ' = ?';
break;
default :
this.code_chose = parseInt(num1) * parseInt(num2);
code = num1 + ' × ' + num2 + ' = ?';
break;
}
}
this.htmlDoms.code.html(code);
},
//比对验证码
checkCode : function() {
if(this.options.type == 1) { //普通验证码
var own_input = this.htmlDoms.code_input.val().toUpperCase();
this.code_chose = this.code_chose.toUpperCase();
}else {
var own_input = this.htmlDoms.code_input.val();
}
if(own_input == this.code_chose) {
this.options.success();
}else {
this.options.error();
this.setCode();
}
}
};
//定义Slide的构造函数
var Slide = function(ele, opt) {
this.$element = ele,
this.defaults = {
type : 1,
vOffset: 5,
vSpace : 5,
imgName : ['1.jpg', '2.jpg'],
imgSize : {
width: '400px',
height: '200px',
},
blockSize : {
width: '50px',
height: '50px',
},
barSize : {
width : '400px',
height : '40px',
},
ready : function(){},
success : function(){},
error : function(){}
},
this.options = $.extend({}, this.defaults, opt)
};
//定义Slide的方法
Slide.prototype = {
init: function() {
var _this = this;
//加载页面
this.loadDom();
this.options.ready();
this.$element[0].onselectstart = document.body.ondrag = function(){
return false;
};
//按下
this.htmlDoms.move_block.on('touchstart', function(e) {
_this.start(e);
});
this.htmlDoms.move_block.on('mousedown', function(e) {
_this.start(e);
});
//拖动
window.addEventListener("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);
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原文链接：https://blog.csdn.net/daimomo000/article/details/78792569