github地址:https://github.com/binwind8/tncode
重要的文件:
1、tncode.js
/*! tncode 1.2 author:weiyingbin email:277612909@qq.com
//@ object webiste: http://www.39gs.com/archive/259.html
//@ https://github.com/binwind8/tncode
*/
if(!document.getElementByClassName){
function hasClass(elem, cls) {
cls = cls || '';
if (cls.replace(/\s/g, '').length == 0) return false; //当cls没有参数时,返回false
var ret = new RegExp(' ' + cls + ' ').test(' ' + elem.className + ' ');
return ret;
}
document.getElementByClassName = function(className,index){
var nodes=document.getElementsByTagName("*");//获取页面里所有元素,因为他会匹配全页面元素,所以性能上有缺陷,但是可以约束他的搜索范围;
var arr=[];//用来保存符合的className;
for(var i=0;i<nodes.length;i++){
if(hasClass(nodes[i],className)) arr.push(nodes[i]);
}
if(!index)index=0;
return index==-1?arr:arr[index];
};
function addClass( elements,cName ){
if( !hasClass( elements,cName ) ){
elements.className += " " + cName;
};
}
function removeClass( elements,cName ){
if( hasClass( elements,cName ) ){
elements.className = elements.className.replace( new RegExp( "(\\s|^)" + cName + "(\\s|$)" )," " ); // replace方法是替换
};
}
}
function appendHTML(o,html) {
var divTemp = document.createElement("div"), nodes = null
, fragment = document.createDocumentFragment();
divTemp.innerHTML = html;
nodes = divTemp.childNodes;
for (var i=0, length=nodes.length; i<length; i+=1) {
fragment.appendChild(nodes[i].cloneNode(true));
}
o.appendChild(fragment);
nodes = null;
fragment = null;
};
var _ajax = function() {};
_ajax.prototype = {
request: function(method, url, callback, postVars) {
var xhr = this.createXhrObject()();
xhr.onreadystatechange = function() {
if (xhr.readyState !== 4) return;
(xhr.status === 200) ?
callback.success(xhr.responseText, xhr.responseXML) :
callback.failure(xhr,status);
};
if (method !== "POST"&&postVars) {
url += "?" + this.JSONStringify(postVars);
postVars = null;
}
xhr.open(method, url, true);
xhr.send(postVars);
},
createXhrObject: function() {
var methods = [
function() { return new XMLHttpRequest(); },
function() { return new ActiveXObject("Msxml2.XMLHTTP"); },
function() { return new ActiveXObject("Microsoft.XMLHTTP"); }
],
i = 0,
len = methods.length,obj;
for (; i < len; i++) {
try {
methods[i];
} catch(e) {
continue;
}
this.createXhrObject = methods[i];
return methods[i];
}
throw new Error("ajax created failure");
},
JSONStringify: function(obj) {
return JSON.stringify(obj).replace(/"|{|}/g, "")
.replace(/b:b/g, "=")
.replace(/b,b/g, "&");
}
};
var tncode = {
_obj:null,
_tncode:null,
_img:null,
_img_loaded:false,
_is_draw_bg:false,
_is_moving:false,
_block_start_x:0,
_block_start_y:0,
_doing:false,
_mark_w:50,
_mark_h:50,
_mark_offset:0,
_img_w:240,
_img_h:150,
_result:false,
_err_c:0,
_onsuccess:null,
_bind:function(elm,evType,fn){
//event.preventDefault();
if (elm.addEventListener) {
elm.addEventListener(evType, fn);//DOM2.0
return true;
}else if (elm.attachEvent) {
var r = elm.attachEvent(evType, fn);//IE5+
return r;
}
},
_block_start_move:function(e){
if(tncode._doing||!tncode._img_loaded){
return;
}
e.preventDefault();
var theEvent = window.event || e;
if(theEvent.touches){
theEvent = theEvent.touches[0];
}
console.log("_block_start_move");
var obj = document.getElementByClassName('slide_block_text');
obj.style.display="none";
tncode._draw_bg();
tncode._block_start_x = theEvent.clientX;
tncode._block_start_y = theEvent.clientY;
tncode._doing = true;
tncode._is_moving = true;
},
_block_on_move:function(e){
if(!tncode._doing)return true;
if(!tncode._is_moving)return true;
e.preventDefault();
var theEvent = window.event || e;
if(theEvent.touches){
theEvent = theEvent.touches[0];
}
tncode._is_moving = true;
console.log("_block_on_move");
//document.getElementById('msg').innerHTML = "move:"+theEvent.clientX+";"+theEvent.clientY;
var offset = theEvent.clientX - tncode._block_start_x;
if(offset<0){
offset = 0;
}
var max_off = tncode._img_w - tncode._mark_w;
if(offset>max_off){
offset = max_off;
}
var obj = document.getElementByClassName('slide_block');
obj.style.cssText = "transform: translate("+offset+"px, 0px)";
tncode._mark_offset = offset/max_off*(tncode._img_w-tncode._mark_w);
tncode._draw_bg();
tncode._draw_mark();
},
_block_on_end:function(e){
if(!tncode._doing)return true;
e.preventDefault();
var theEvent = window.event || e;
if(theEvent.touches){
theEvent = theEvent.touches[0];
}
console.log("_block_on_end");
tncode._is_moving = false;
tncode._send_result();
},
_send_result:function(){
var haddle = {success:tncode._send_result_success,failure:tncode._send_result_failure};
tncode._result = false;
var re = new _ajax();
re.request('get',tncode._currentUrl().replace('houtai/assets/js', 'config/libs')+'tn_check.php?tn_r='+tncode._mark_offset,haddle);
},
_send_result_success:function(responseText,responseXML){
tncode._doing = false;
if(responseText=='ok'){
tncode._showmsg('验证成功',1);
tncode._result = true;
document.getElementByClassName('hgroup').style.display="block";
//setTimeout(tncode.hide,2500);
setTimeout(function(){
tncode.hide();
tncode._tncode.style.backgroundColor = "#52d192";
tncode._tncode.style.border = "1px solid #52d192";
tncode._tncode.innerHTML = '验证成功';
},2500);
if(tncode._onsuccess){
tncode._onsuccess();
}
}else{
var obj = document.getElementById('tncode_div');
addClass( obj,'dd');
setTimeout(function(){
removeClass( obj,'dd');
},200);
tncode._result = false;
tncode._showmsg('验证失败');
tncode._err_c++;
if(tncode._err_c>5){
tncode.refresh();
}
}
},
_send_result_failure:function(xhr,status){
},
_draw_fullbg:function(){
var canvas_bg = document.getElementByClassName('tncode_canvas_bg');
var ctx_bg = canvas_bg.getContext('2d');
ctx_bg.drawImage(tncode._img, 0, tncode._img_h*2, tncode._img_w, tncode._img_h, 0, 0, tncode._img_w, tncode._img_h);
},
_draw_bg:function(){
if(tncode._is_draw_bg){
return;
}
tncode._is_draw_bg = true;
var canvas_bg = document.getElementByClassName('tncode_canvas_bg');
var ctx_bg = canvas_bg.getContext('2d');
ctx_bg.drawImage(tncode._img, 0, 0, tncode._img_w, tncode._img_h, 0, 0, tncode._img_w, tncode._img_h);
},
_draw_mark:function(){
var canvas_mark = document.getElementByClassName('tncode_canvas_mark');
var ctx_mark = canvas_mark.getContext('2d');
//清理画布
ctx_mark.clearRect(0,0,canvas_mark.width,canvas_mark.height);
ctx_mark.drawImage(tncode._img, 0, tncode._img_h, tncode._mark_w,tncode._img_h,tncode._mark_offset,0,tncode._mark_w, tncode._img_h);
var imageData = ctx_mark.getImageData(0, 0, tncode._img_w, tncode._img_h);
// 获取画布的像素信息
// 是一个一维数组,包含以 RGBA 顺序的数据,数据使用 0 至 255(包含)的整数表示
// 如:图片由两个像素构成,一个像素是白色,一个像素是黑色,那么 data 为
// [255,255,255,255,0,0,0,255]
// 这个一维数组可以看成是两个像素中RBGA通道的数组的集合即:
// [R,G,B,A].concat([R,G,B,A])
var data = imageData.data;
//alert(data.length/4);
var x = tncode._img_h,y=tncode._img_w;
for(var j = 0; j < x; j++) {
var ii = 1,k1=-1;
for(var k=0;k<y&&k>=0&&k>k1;){
// 得到 RGBA 通道的值
var i = (j*y+k)*4;
k+=ii;
var r = data[i]
, g = data[i+1]
, b = data[i+2];
// 我们从最下面那张颜色生成器中可以看到在图片的右上角区域,有一小块在
// 肉眼的观察下基本都是白色的,所以我在这里把 RGB 值都在 245 以上的
// 的定义为白色
// 大家也可以自己定义的更精确,或者更宽泛一些
if(r+g+b<200) data[i+3] = 0;
else{
var arr_pix = [1,-5];
var arr_op = [250,0];
for (var i =1; i<arr_pix[0]-arr_pix[1]; i++) {
var iiii = arr_pix[0]-1*i;
var op = parseInt(arr_op[0]-(arr_op[0]-arr_op[1])/(arr_pix[0]-arr_pix[1])*i);
var iii = (j*y+k+iiii*ii)*4;
data[iii+3] = op;
}
if(ii==-1){
break;
}
k1 = k;
k = y-1;
ii = -1;
};
}
}
ctx_mark.putImageData(imageData, 0, 0);
},
_reset:function(){
tncode._mark_offset = 0;
tncode._draw_bg();
tncode._draw_mark();
var obj = document.getElementByClassName('slide_block');
obj.style.cssText = "transform: translate(0px, 0px)";
},
show:function(){
var obj = document.getElementByClassName('hgroup');
if(obj){
obj.style.display="none";
}
tncode.refresh();
tncode._tncode = this;
document.getElementById('tncode_div_bg').style.display="block";
document.getElementById('tncode_div').style.display="block";
},
hide:function(){
document.getElementById('tncode_div_bg').style.display="none";
document.getElementById('tncode_div').style.display="none";
},
_showmsg:function(msg,status){
if(!status){
status = 0;
var obj = document.getElementByClassName('tncode_msg_error');
}else{
var obj = document.getElementByClassName('tncode_msg_ok');
}
obj.innerHTML = msg;
var setOpacity = function (ele, opacity) {
if (ele.style.opacity != undefined) {
///兼容FF和GG和新版本IE
ele.style.opacity = opacity / 100;
} else {
///兼容老版本ie
ele.style.filter = "alpha(opacity=" + opacity + ")";
}
};
function fadeout(ele, opacity, speed) {
if (ele) {
var v = ele.style.filter.replace("alpha(opacity=", "").replace(")", "") || ele.style.opacity || 100;
v < 1 && (v = v * 100);
var count = speed / 1000;
var avg = (100 - opacity) / count;
var timer = null;
timer = setInterval(function() {
if (v - avg > opacity) {
v -= avg;
setOpacity(ele, v);
} else {
setOpacity(ele, 0);
if(status==0){
tncode._reset();
}
clearInterval(timer);
}
}, 100);
}
}
function fadein(ele, opacity, speed) {
if (ele) {
var v = ele.style.filter.replace("alpha(opacity=", "").replace(")", "") || ele.style.opacity;
v < 1 && (v = v * 100);
var count = speed / 1000;
var avg = count < 2 ? (opacity / count) : (opacity / count - 1);
var timer = null;
timer = setInterval(function() {
if (v < opacity) {
v += avg;
setOpacity(ele, v);
} else {
clearInterval(timer);
setTimeout(function() {fadeout(obj, 0, 6000);},1000);
}
}, 100);
}
}
fadein(obj, 80, 4000);
},
_html:function(){
var d = document.getElementById('tncode_div_bg');
if(d)return;
var html = '<div class="tncode_div_bg" id="tncode_div_bg"></div><div class="tncode_div" id="tncode_div"><div class="loading">加载中</div><canvas class="tncode_canvas_bg"></canvas><canvas class="tncode_canvas_mark"></canvas><div class="hgroup"></div><div class="tncode_msg_error"></div><div class="tncode_msg_ok"></div><div class="slide"><div class="slide_block"></div><div class="slide_block_text">拖动左边滑块完成上方拼图</div></div><div class="tools"><div class="tncode_close"></div><div class="tncode_refresh"></div><div class="tncode_tips"></div></div></div>';
var bo = document.getElementsByTagName('body');
appendHTML(bo[0],html);
},
_currentUrl:function(){
var list = document.getElementsByTagName('script');
for (var i in list) {
var d=list[i];
if(d.src.indexOf('tn_code')!==-1){//js文件名一定要带这个字符
var arr = d.src.split('tn_code');
return arr[0];
}
}
},
refresh:function(){
var isSupportWebp = !![].map && document.createElement('canvas').toDataURL('image/webp').indexOf('data:image/webp') == 0;
var _this = this;
tncode._err_c = 0;
tncode._is_draw_bg = false;
tncode._result = false;
tncode._img_loaded = false;
var obj = document.getElementByClassName('tncode_canvas_bg');
obj.style.display="none";
obj = document.getElementByClassName('tncode_canvas_mark');
obj.style.display="none";
tncode._img = new Image();
var img_url = tncode._currentUrl().replace('houtai/assets/js', 'config/libs')+"tncode.php?t="+Math.random();
if(!isSupportWebp){//浏览器不支持webp
img_url+="&nowebp=1";
}
tncode._img.src = img_url;
tncode._img.onload = function(){
tncode._draw_fullbg();
var canvas_mark = document.getElementByClassName('tncode_canvas_mark');
var ctx_mark = canvas_mark.getContext('2d');
//清理画布
ctx_mark.clearRect(0,0,canvas_mark.width,canvas_mark.height);
tncode._img_loaded = true;
obj = document.getElementByClassName('tncode_canvas_bg');
obj.style.display="";
obj = document.getElementByClassName('tncode_canvas_mark');
obj.style.display="";
};
//alert("Hong Kong ForHarvest Technology and Culture Development Co. Limited".length);
obj = document.getElementByClassName('slide_block');
obj.style.cssText = "transform: translate(0px, 0px)";
obj = document.getElementByClassName('slide_block_text');
obj.style.display="block";
},
init:function(){
var _this = this;
if(!tncode._img){
tncode._html();
var obj = document.getElementByClassName('slide_block');
tncode._bind(obj,'mousedown',_this._block_start_move);
tncode._bind(document,'mousemove',_this._block_on_move);
tncode._bind(document,'mouseup',_this._block_on_end);
tncode._bind(obj,'touchstart',_this._block_start_move);
tncode._bind(document,'touchmove',_this._block_on_move);
tncode._bind(document,'touchend',_this._block_on_end);
var obj = document.getElementByClassName('tncode_close');
tncode._bind(obj,'touchstart',_this.hide);
tncode._bind(obj,'click',_this.hide);
var obj = document.getElementByClassName('tncode_refresh');
tncode._bind(obj,'touchstart',_this.refresh);
tncode._bind(obj,'click',_this.refresh);
var objs = document.getElementByClassName('tncode',-1);
for (var i in objs) {
var o = objs[i];
o.innerHTML = '点击按钮进行验证';
tncode._bind(o,'touchstart',_this.show);
tncode._bind(o,'click',_this.show);
}
}
},
result:function(){
return tncode._result;
},
onsuccess:function(fn){
tncode._onsuccess = fn;
}
};
var $TN = tncode;
var _old_onload = window.onload;
window.onload = function(){
if(typeof _old_onload == 'function'){
_old_onload();
}
tncode.init();
};
2、TnCode.class.php
<?php /*! tncode 1.2 author:weiyingbin email:277612909@qq.com //@ object webiste: http://www.39gs.com/archive/259.html //@ https://github.com/binwind8/tncode */ class TnCode { var $im = null; var $im_fullbg = null; var $im_bg = null; var $im_slide = null; var $bg_width = 240; var $bg_height = 150; var $mark_width = 50; var $mark_height = 50; var $bg_num = 6; var $_x = 0; var $_y = 0; //容错象素 越大体验越好,越小破解难道越高 var $_fault = 3; function __construct(){ //ini_set('display_errors','On'); // error_reporting(0); if(!isset($_SESSION)){ session_start(); } } function make(){ $this->_init(); $this->_createSlide(); $this->_createBg(); $this->_merge(); $this->_imgout(); $this->_destroy(); } function check($offset=''){ if(!$_SESSION['tncode_r']){ return false; } if(!$offset){ $offset = $_REQUEST['tn_r']; } $ret = abs($_SESSION['tncode_r']-$offset)<=$this->_fault; if($ret){ unset($_SESSION['tncode_r']); }else{ $_SESSION['tncode_err']++; if($_SESSION['tncode_err']>10){//错误10次必须刷新 unset($_SESSION['tncode_r']); } } return $ret; } private function _init(){ $bg = mt_rand(1,$this->bg_num); $file_bg = dirname(__FILE__).'/tn_img/bg/'.$bg.'.png'; $this->im_fullbg = imagecreatefrompng($file_bg); $this->im_bg = imagecreatetruecolor($this->bg_width, $this->bg_height); imagecopy($this->im_bg,$this->im_fullbg,0,0,0,0,$this->bg_width, $this->bg_height); $this->im_slide = imagecreatetruecolor($this->mark_width, $this->bg_height); $_SESSION['tncode_r'] = $this->_x = mt_rand(50,$this->bg_width-$this->mark_width-1); $_SESSION['tncode_err'] = 0; $this->_y = mt_rand(0,$this->bg_height-$this->mark_height-1); } private function _destroy(){ imagedestroy($this->im); imagedestroy($this->im_fullbg); imagedestroy($this->im_bg); imagedestroy($this->im_slide); } private function _imgout(){ if(!$_GET['nowebp']&&function_exists('imagewebp')){//优先webp格式,超高压缩率 $type = 'webp'; $quality = 40;//图片质量 0-100 }else{ $type = 'png'; $quality = 7;//图片质量 0-9 } header('Content-Type: image/'.$type); $func = "image".$type; $func($this->im,null,$quality); } private function _merge(){ $this->im = imagecreatetruecolor($this->bg_width, $this->bg_height*3); imagecopy($this->im, $this->im_bg,0, 0 , 0, 0, $this->bg_width, $this->bg_height); imagecopy($this->im, $this->im_slide,0, $this->bg_height , 0, 0, $this->mark_width, $this->bg_height); imagecopy($this->im, $this->im_fullbg,0, $this->bg_height*2 , 0, 0, $this->bg_width, $this->bg_height); imagecolortransparent($this->im,0);//16777215 } private function _createBg(){ $file_mark = dirname(__FILE__).'/tn_img/tn_mark.png'; $im = imagecreatefrompng($file_mark); header('Content-Type: image/png'); //imagealphablending( $im, true); imagecolortransparent($im,0);//16777215 //imagepng($im);exit; imagecopy($this->im_bg, $im, $this->_x, $this->_y , 0 , 0 , $this->mark_width, $this->mark_height); imagedestroy($im); } private function _createSlide(){ $file_mark = dirname(__FILE__).'/tn_img/tn_mark2.png'; $img_mark = imagecreatefrompng($file_mark); imagecopy($this->im_slide, $this->im_fullbg,0, $this->_y , $this->_x, $this->_y, $this->mark_width, $this->mark_height); imagecopy($this->im_slide, $img_mark,0, $this->_y , 0, 0, $this->mark_width, $this->mark_height); imagecolortransparent($this->im_slide,0);//16777215 //header('Content-Type: image/png'); //imagepng($this->im_slide);exit; imagedestroy($img_mark); } } ?>
3、tn_style.css
/*按钮*/ .clear{clear: both;} .tncode{ border: 1px solid #ccc; background-color: white; border-radius: 4px; width: 100%; height: 44px; cursor: pointer; opacity: 1; line-height: 44px; } /*浮层*/ .tncode_div_bg{ width: 100%;height: 100%;position: absolute; top:0; left:0; z-index:1000; background-color: rgba(0,0,0,0.5); opacity:0.3; filter: alpha(opacity=30); background-color:#000; *zoom:1; display: none; } .tncode_div{ display: none; background-color: white; z-index: 1000000; width: 260px;height: 260px; position: absolute; left: 50%;top:50%; margin-top: -130px; margin-left: -130px; border: 1px solid #d1d1d1; border-radius: 2px; overflow: hidden; filter: progid:DXImageTransform.Microsoft.Shadow(color='#969696',Direction=135, Strength=5);/*for ie6,7,8*/ /*background-color: #ccc;*/ -moz-box-shadow:2px 2px 5px #969696;/*firefox*/ -webkit-box-shadow:2px 2px 5px #969696;/*webkit*/ box-shadow:2px 2px 5px #969696;/*opera或ie9*/ } .tncode_div .tncode_canvas_bg{ z-index: 0; } .tncode_div .tncode_canvas_mark{ z-index: 10000; } .tncode_div canvas{ position: absolute; left: 10px; top: 10px; } .tncode_div .loading{ padding-top: 60px; position: absolute; left: 10px; top: 10px; background-color: #ccc; width: 240px; height: 150px; text-align: center; box-sizing:border-box; } .dd{ -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); -webkit-animation: ddf 0.1s ease-in 0s infinite; -o-animation: ddf 0.1s ease-in 0s infinite; animation: ddf 0.1s ease-in 0s infinite; } @-webkit-keyframes ddf { 0% {-webkit-transform: translate(-8px, 3px);} 20% {-webkit-transform: translate(-3px, 1.5px);} 50% {-webkit-transform: translate(0px, 0px) ;} 70% {-webkit-transform: translate(5px, -1.5px) ;} 100% {-webkit-transform: translate(0px, 0px);} } @-o-keyframes ddf { 0% {-o-transform: translate(-8px, 3px);} 20% {-o-transform: translate(-3px, 1.5px);} 50% {-o-transform: translate(0px, 0px) ;} 70% {-o-transform: translate(5px, -1.5px) ;} 100% {-o-transform: translate(0px, 0px);} } @-moz-keyframes ddf { 0% {-moz-transform: translate(-8px, 3px);} 20% {-moz-transform: translate(-3px, 1.5px);} 50% {-moz-transform: translate(0px, 0px) ;} 70% {-moz-transform: translate(5px, -1.5px) ;} 100% {-moz-transform: translate(0px, 0px);} } @keyframes ddf { 0% {transform: translate(-8px, 3px);} 20% {transform: translate(-3px, 1.5px);} 50% {transform: translate(0px, 0px) ;} 70% {transform: translate(5px, -1.5px) ;} 100% {transform: translate(0px, 0px);} } .hgroup{ z-index: 20000; content: ""; position: absolute; left: -800px; top: 70px; width: 250px; height: 15px; background-color: rgba(255,255,255,.5); -webkit-transform: rotate(-45deg); -moz-transform: rotate(-45deg); -ms-transform: rotate(-45deg); -o-transform: rotate(-45deg); transform: rotate(-45deg); -webkit-animation: searchLights 3s ease-in 0s infinite; -o-animation: searchLights 3s ease-in 0s infinite; animation: searchLights 3s ease-in 0s infinite; } @-webkit-keyframes searchLights { 0% { left: -800px; top: 70px; } to { left: 350px; top: 70px } } @-o-keyframes searchLights { 0% { left: -800px; top: 70px; } to { left: 350px; top: 70px } } @-moz-keyframes searchLights { 0% { left: -800px; top: 70px; } to { left: 350px; top: 70px } } @keyframes searchLights { 0% { left: -800px; top: 70px; } to { left: 350px; top: 70px } } /*拉条*/ .slide,.slide_block,.tools .tncode_close,.tools .tncode_refresh{ background-repeat: no-repeat; background-image: url('../img/tn_icon.png'); } .tncode_msg_ok{ background-color: #24C628; } .tncode_msg_error{ background-color: #DE5145; } .tncode_msg_ok,.tncode_msg_error{ position: absolute; top:136px; left: 10px; width: 240px; /* 同tncode_canvas_bg */ height: 24px; color: #fff; margin: 0; padding: 2px 10px; overflow: visible; background-position: 0px 0px; font-size: 14px; opacity:0; filter: alpha(opacity=0.5); z-index: 10000; text-align: center; } .slide{ position: absolute; top:160px; width: 93.52%; height: 0px; background-color: white; background-size: 100%; margin: 5.39% 3.24%; padding: 0px 0px 13.67%; overflow: visible; background-position: 0px 0px; } .tools{ position: absolute; top:210px; width: 93.52%; height: 0px; background-color: white; background-size: 100%; margin: 5.39% 3.24%; padding: 5px 0px 13.67%; overflow: visible; background-position: 0px 0px; border-top: 1px solid #EEEEEE; } .slide_block{ background-position: 0px 12.9794%; width: 65px; height: 65px; position: absolute; left: 0px; top: 0px; margin: -4.62% 0 0 -2.31%; cursor: pointer; } .slide_block_text{ background-position: 0px 12.9794%; height: 65px; position: absolute; left: 65px; top: 20px; margin: -4.62% 0 0 -2.31%; cursor: pointer; font-size: 14px; color: rgb(136, 148, 157); } .tncode_canvas_bg,.tncode_canvas_mark{ /* width: 240px;*/ } .tools .tncode_close{ background-position: 0 50%; height: 30px; width: 30px; float: left; margin-right: 10px; cursor: pointer; } .tools .tncode_refresh{ background-position: 0 94%; height: 30px; width: 30px; float: left; cursor: pointer; } .tools .tncode_tips{ float: right; } .tools .tncode_tips a{ text-decoration: none; font-size: 10px; color: rgb(136, 148, 157); }