<div class="container" id="app">
        <h1>复制图片</h1>
        <div class="input-group ma-b-10">
            <span class="input-group-addon" id="basic-addon3">粘贴</span>
            <input ref="input" type="text" class="form-control" id="basic-url" aria-describedby="basic-addon3">
        </div>
        <div class="card ma-b-10">
            <div class="card-body">
                <h4 class="card-title">
                    获得base64数据
                </h4>
                 
                <textarea v-if="base64" class="form-control" id="base64" rows="3" v-model="base64">
                </textarea>
            </div>
        </div>
        <div class="card ma-b-10">
            <div class="card-body">
                <h4 class="card-title">
                    生成 img
                </h4>
                <canvas id="myCanvas">
                    你的浏览器不支持canvas，建议使用最新版的Chrome浏览器。
                </canvas>
                <div id="tempDiv"></div>
                ![](base64)  </div>
        </div>
        <div class="card ma-b-10">
            <div class="card-body">
                <h4 class="card-title">
                    图片生成
                </h4>
                <input type="text" class="form-control" placeholder="https://www. id="code" v-model="code2"><br/>
                <a href="#" @click="addRow()" class="btn btn-primary">二维码</a>
            </div>
        </div>
    </div>