富文本之BootStrap-wysiwyg 带图片上传功能
BootStrap-wysiwyg插件具有良好的编辑功能和展示效果。
一、使用方法在网上有很多,在此记录自己使用过程中的一些问题和解决方式。
相关依赖:
bootstrap-wysiwyg.js (核心)
jquery.hotkeys.js (快捷键)
prettify.js
prettify.css
edit.css (页面展示效果,可自定义)
bootstrap.min.css
font-awesome.css (字体图片样式)
bootstrap.min.js
jquery2.1.4.min.js
相关文件地址:【相关文件下载地址】
页面代码:
//工具栏的定义 <div class="btn-toolbar" data-role="editor-toolbar" data-target="#editor"> <div class="btn-group"> <a class="btn dropdown-toggle" data-toggle="dropdown" title="Font"><i class="icon-font"></i><b class="caret"></b></a> <ul class="dropdown-menu"> </ul> </div> <div class="btn-group"> <a class="btn dropdown-toggle" data-toggle="dropdown" title="Font Size"><i class="icon-text-height"></i> <b class="caret"></b></a> <ul class="dropdown-menu"> <li><a data-edit="fontSize 5"><font size="5">Huge</font></a></li> <li><a data-edit="fontSize 3"><font size="3">Normal</font></a></li> <li><a data-edit="fontSize 1"><font size="1">Small</font></a></li> </ul> </div> <div class="btn-group"> <a class="btn" data-edit="bold" title="Bold (Ctrl/Cmd+B)"><i class="icon-bold"></i></a> <a class="btn" data-edit="italic" title="Italic (Ctrl/Cmd+I)"><i class="icon-italic"></i></a> <a class="btn" data-edit="strikethrough" title="Strikethrough"><i class="icon-strikethrough"></i></a> <a class="btn" data-edit="underline" title="Underline (Ctrl/Cmd+U)"><i class="icon-underline"></i></a> </div> <div class="btn-group"> <a class="btn" data-edit="insertunorderedlist" title="Bullet list"><i class="icon-list-ul"></i></a> <a class="btn" data-edit="insertorderedlist" title="Number list"><i class="icon-list-ol"></i></a> <a class="btn" data-edit="outdent" title="Reduce indent (Shift+Tab)"><i class="icon-indent-left"></i></a> <a class="btn" data-edit="indent" title="Indent (Tab)"><i class="icon-indent-right"></i></a> </div> <div class="btn-group"> <a class="btn" data-edit="justifyleft" title="Align Left (Ctrl/Cmd+L)"><i class="icon-align-left"></i></a> <a class="btn" data-edit="justifycenter" title="Center (Ctrl/Cmd+E)"><i class="icon-align-center"></i></a> <a class="btn" data-edit="justifyright" title="Align Right (Ctrl/Cmd+R)"><i class="icon-align-right"></i></a> <a class="btn" data-edit="justifyfull" title="Justify (Ctrl/Cmd+J)"><i class="icon-align-justify"></i></a> </div> <div class="btn-group"> <a class="btn dropdown-toggle" data-toggle="dropdown" title="Hyperlink"><i class="icon-link"></i></a> <div class="dropdown-menu input-append"> <input class="span2" placeholder="URL" type="text" data-edit="createLink"/> <button class="btn" type="button">Add</button> </div> <a class="btn" data-edit="unlink" title="Remove Hyperlink"><i class="icon-cut"></i></a> </div> <div class="btn-group"> <a class="btn" title="Insert picture (or just drag & drop)" ><i class="icon-picture"></i></a> <input type="file" data-role="magic-overlay" data-target="#pictureBtn" data-edit="insertImage" /> </div> <div class="btn-group"> <a class="btn" data-edit="undo" title="Undo (Ctrl/Cmd+Z)"><i class="icon-undo"></i></a> <a class="btn" data-edit="redo" title="Redo (Ctrl/Cmd+Y)"><i class="icon-repeat"></i></a> </div> <input type="text" data-edit="inserttext" x-webkit-speech=""> </div> //文本输入区域 <div > 输入内容… </div>
JS代码:
//初始化工具栏
1 function initToolbarBootstrapBindings() { 2 var fonts = [\'Serif\', \'Sans\', \'Arial\', \'Arial Black\', \'Courier\', 3 \'Courier New\', \'Comic Sans MS\', \'Helvetica\', \'Impact\', \'Lucida Grande\', \'Lucida Sans\', \'Tahoma\', \'Times\', 4 \'Times New Roman\', \'Verdana\'], 5 fontTarget = $(\'[title=Font]\').siblings(\'.dropdown-menu\'); 6 $.each(fonts, function (idx, fontName) { 7 fontTarget.append($(\'<li><a data-edit="fontName \' + fontName +\'" \'+ fontName +\'\\'">\'+fontName + \'</a></li>\')); 8 }); 9 $(\'a[title]\').tooltip({container:\'body\'}); 10 $(\'.dropdown-menu input\').click(function() {return false;}) 11 .change(function () {$(this).parent(\'.dropdown-menu\').siblings(\'.dropdown-toggle\').dropdown(\'toggle\');}) 12 .keydown(\'esc\', function () {this.value=\'\';$(this).change();}); 13 14 $(\'[data-role=magic-overlay]\').each(function () { 15 var overlay = $(this), target = $(overlay.data(\'target\')); 16 overlay.css(\'opacity\', 0).css(\'position\', \'absolute\').offset(target.offset()).width(target.outerWidth()).height(target.outerHeight()); 17 }); 18 if ("onwebkitspeechchange" in document.createElement("input")) { 19 var editorOffset = $(\'#editor\').offset(); 20 $(\'#voiceBtn\').css(\'position\',\'absolute\').offset({top: editorOffset.top, left: editorOffset.left+$(\'#editor\').innerWidth()-35}); 21 } else { 22 $(\'#voiceBtn\').hide(); 23 } 24 }; 25 //错误提示 26 function showErrorAlert (reason, detail) { 27 var msg=\'\'; 28 if (reason===\'unsupported-file-type\') { msg = "Unsupported format " +detail; } 29 else { 30 console.log("error uploading file", reason, detail); 31 } 32 $(\'<div class="alert"> <button type="button" class="close" data-dismiss="alert">×</button>\'+ 33 \'<strong>File upload error</strong> \'+msg+\' </div>\').prependTo(\'#alerts\'); 34 }; 35 initToolbarBootstrapBindings(); 36 $(\'#editor\').wysiwyg({ fileUploadError: showErrorAlert} );
二、自定义上传图片到服务器
主要修改bootstrap-wysiwyg.js中的一个方法
1 var readFileIntoDataUrl = function (fileInfo) { 2 //原有的方法 3 // var loader = $.Deferred(), 4 // fReader = new FileReader(); 5 // fReader.onload = function (e) { 6 // loader.resolve(e.target.result); 7 // }; 8 // fReader.onerror = loader.reject; 9 // fReader.onprogress = loader.notify; 10 // fReader.readAsDataURL(fileInfo); 11 // return loader.promise(); 12 13 //自定义方法 14 var form = new FormData(); 15 form.append("file", fileInfo); 16 var xhr = new XMLHttpRequest(); 17 xhr.open("post", "/imgupload", false);//后台接收的方法,返回图片路径(全路径,不然页面不显示图片) 18 xhr.send(form); 19 return xhr.responseText; 20 };
后台接收的方法示例:
1 public string UpLoadImgFile() 2 { 3 string szNewFilePath = ""; 4 if (Request.Files.Count>0) 5 { 6 HttpPostedFileBase CoverImg = Request.Files[0]; 7 Stream sr = CoverImg.InputStream; 8 FileRepositoryServiceClient client = new FileRepositoryServiceClient("http://uploadfile.qikan.com.cn/FileRepositoryService.svc", "MediaFile", "MediaFile"); 9 10 client.CreateImageFile("MediaFile/" + Request.Files[0].FileName, sr, out szNewFilePath); 11 12 } 13 return szNewFilePath = DragonUtility.IO.FileService.Client.FileRepositoryServiceClient.GetFilePath("Public/MediaFile", szNewFilePath); 14 //return RetActionJsonResult(SetSuccessResult(szNewFilePath)); 15 }
三、传递参数
//在回台接收输入区域的内容使用jQuery
$("#editor").html();
结束:
这只是简单的使用示例。
还有很多更方便的使用技巧,希望有经验的朋友留言,共同学习。