execCommand 文档
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>富文本上传图片</title> <style> #editor{ border: 1px solid #ccc; width: 400px; height: 200px; margin-bottom: 30px; } #editor img{ /* 需要图片换行的话,可以设置display:block; */ display: block; max-width: 100px; } </style> </head> <body> <div id="editor" contenteditable="true"> 123456123456 </div> <input type="file" name="file" id="uploadFile" onchange="uploadFile(event)"/> </body> <script type="text/javascript" language="javascript"> var editer = document.getElementById('editer'); function uploadFile(e){ let file = e.target.files[0]; //需要上传到后台的图片 //上传后台,此处省略。。。。。。。。。。。 let filePath = 'http://qiniu.jnwtv.com/LC20180417174434604455636.jpg'; //filePath为后台返回的图片地址 editer.focus(); document.execCommand('InsertImage', false, filePath); } </script> </html>