//构建一个json对象var pinpai = {    "0":{"美的":49,"三星":35,"海信":25,"格力":16,"方太":14},    "1":{"美的":49,"三星":35,"海信":25,"格力":16,"方太":14}}；jiage =pinpai[0][美的];源：//构建一个json对象  var jb={"美的

<a-uploadname="file"@change="handleChange"accept='.pdf' :file-list="file" :before-upload="beforeUploadFile"><a-button> <a-icon type="upload" /> 请选择上传文件 </a-button></a-upload

【代码】vue 获取input中光标位置，并且点击按钮在当前光标位置追加内容。