jquery,颜色拾取器,js,颜色拾取器1.效果展示 
2.html代码：index.html <!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <script src="./jquery-1.12.4.min.js"></script></head><body><img class="source" style="float: left" src="./test2.jpg" alt=""><div class="color" style="width: 150px;height: 150px;float: left;margin: 50px;background: #eee;"></div></body></html> 3.插件代码： (function ($) { $.fn.pickerColor=function (option) { var opt ={ ck:function () {} },_this=this opt=$.extend(opt,option); _this.on('click',function (e) { var canvasObj = '<canvas id="canvasPickerColor" style="position: fixed;left: 50000px;top: 500px;"></canvas>'; $('body').append(canvasObj); var cvs = document.getElementById("canvasPickerColor"),ctx =cvs.getContext('2d') cvs.height=1;cvs.width=1 var img = new Image(); img.src=_this.attr('src'); var osX=e.offsetX,osY=e.offsetY ctx.drawImage(img,osX,osY,1,1,0,0,1,1); var imgData=ctx.getImageData(0,0,1,1); console.log(imgData) if(opt.ck) opt.ck(imgData.data[0]+','+imgData.data[1]+','+imgData.data[2]); }) } })(jQuery)3，插件调用 $(function () { $('.source').pickerColor({ ck:function (data) { console.log(data) $('.color').css('background','rgba('+data+',1)') } }) })以上就是本文的全部内容，希望本文的内容对大家的学习或者工作能带来一定的帮助，同时也希望多多支持wanshiok.com！
jquery,颜色拾取器,js,颜色拾取器
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