js实现上传图片点击试管取色拾色器效果代码-html代码-BFW代码库

js实现上传图片点击试管取色拾色器效果代码

代码语言：html

所属分类：选择器

代码描述：js实现上传图片点击试管取色拾色器效果代码

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
    @charset "utf-8";
* {
  padding: 0;
  margin: 0;
}

#wrapper {
  width: 800px;
  height: 800px;
  position: absolute;

  border: 1px solid #999999;
  background-color: #fff;
}

#inputImg, #inputImg_label {
  width: 100px;
  height: 40px;
  border: 4px solid #999999;
  border-radius: 10px;
  margin: 10px auto;
  cursor: pointer;
}

#inputImg {
  opacity: 0;
  position: absolute;
  left: 50%;
  margin-left: -54px;
  top: 0;
}

#inputImg_label {
  display: flex;
  font-size:20px;
  align-content: center;
  justify-content: center;
}

.icon-shangchuan {
  font-size: 30px;
  text-align: center;
  line-height: 40px;
  cursor: pointer;
}

.choseImg {
  position: relative;
  width: 100%;
  height: 122px;
  overflow: hidden;
}

.colorShow {
  display: flex;
  justify-content: center;
  align-content: center;
  height: 52px;
}

.showRGBA, .showRHex {
  width: 200px;
  height: 40px;
  border: 1px solid #999999;
  margin: 6px 10px;
  font-size: 14px;
  line-height: 40px;
}
.showRGBA > span, .showRHex > span {
  margin-left: 4px;
}
</style>
</head>
<body>
<div id="wrapper">
  <div class="choseImg">
    <label for="inputImg" id="inputImg_label">
      <span class="iconfont icon-shangchuan">选择</span>
    </label>
    <input type="file" id="inputImg" onChange="uploadImage(this)">
    <div class="colorShow">
      <div class="showRGBA">
        <span>rgba:</span>
        <span class="rgb"></span>
      </div>
      <div class="showRHex">
        <span>#16:</span>
        <span class="sixteen"></span>
      </div>
    </div>
  </div>
  <canvas class="imgCanvas" width="800" height="680">

  </canvas>
</div>

<script>
      //截取上传文件的后缀
  let suffix = /(\.*.jpg$)|(\.*.png$)|(\.*.jpeg$)|(\.*.bmp$)|(\.*.JPG$)|(\.*.PNG$)|(\.*.JPEG$)|(\.*.BMP$)/;
  //获取显示图片的画布
  let imgCanvas = document.getE.........完整代码请登录后点击上方下载按钮下载查看