标签:xheditor
xheditor是一款比较复杂的在线编辑器,默认支持php和asp.net,从官方的demo可以看出,它的复杂度远远大于其他编辑器,站在java的立场思考,这编辑器对java程序员太不公平了。但是没有办法啊,官方没对java做支持咱们可以根据开发文档自己搞啊。
1 先看看这款编辑器长什么样子
看到这里大家就知道了,其实这个就是csdn使用的编辑器
2 显示编辑器的jsp页面
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>xheditor</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <script type="text/javascript" src="xheditor-1.1.7/jquery/jquery-1.4.2.min.js"></script> <script type="text/javascript" src="xheditor-1.1.7/xheditor-1.1.7-zh-cn.min.js"></script> <script type="text/javascript"> $(document).ready(function() { //初始化xhEditor编辑器插件 $('#xh_editor').xheditor({ tools:'full', skin:'default', upMultiple:true, upImgUrl: "servlet/UploadFileServlet", upImgExt: "jpg,jpeg,gif,bmp,png", upFlashUrl: "servlet/UploadFileServlet", upFlashExt: "swf,fla", upMediaUrl: "servlet/UploadFileServlet", upMediaExt: "flv,avi,wmv,rmvb,mkv", onUpload:insertUpload, html5Upload:false }); //xbhEditor编辑器图片上传回调函数 function insertUpload(msg) { var _msg = msg.toString(); $("#xh_editor").append(_msg); } //chǔ理服务器返回到回调函数的字符串内容,格式是JSON的数据格式. function Substring(s){ return s.substring(s.substring(0,s.lastIndexOf("/")).lastIndexOf("/"),s.length); } //save $("#save").bind("click",function(){ var xh_editor = $("#xh_editor").val().replace(/\s/g, ""); //alert(xh_editor); //alert("last=="+xh_editor); //document.getElementById("froms").submit(); }); }); </script> </head> <body> <div class="contents"> <form method="POST" name ="froms" id="froms" action="test/add.html" class="dataForm"> <div class="form"> <div class="fields-box"> <em></em><textarea rows="25" cols="160" name="clubDesc" id="xh_editor" style="border: 1px"></textarea> </div> <div class="fields-box"> <input class="button_blue inputS" type="button" id="save" value="确定保存"> </div> </div> </form> </div> <div id="uploadList"></div> </body> </html>
3 文件上传代码的servlet
package com.xheditor.servlet; import java.io.File; import java.io.IOException; import java.io.PrintWriter; import java.io.Serializable; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.UUID; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.DiskFileUpload; import org.apache.commons.fileupload.FileItem; import org.apache.commons.lang.StringUtils; @SuppressWarnings({ "serial", "deprecation" }) public class UploadFileServlet extends HttpServlet { private static String baseFileDir = File.separator + "uploadFile" + File.separator;//上传文件存储目录 private static String baseURLDir = "/upload/";//上传文件目录URL private static String fileExt = "jpg,jpeg,bmp,gif,png,fla,swf,flv,avi,wmv"; private static Long maxSize = 0l; // 0:不建目录 1:按天存入目录 2:按月存入目录 3:按扩展名存目录 建议使用按天存 private static String dirType = "1"; /** * 文件上传初始化工作 */ public void init() throws ServletException { /*获取文件上传存储的相当路径*/ if (!StringUtils.isBlank(this.getInitParameter("baseDir"))){ baseFileDir = this.getInitParameter("baseDir"); } String realBaseDir = this.getServletConfig().getServletContext().getRealPath(baseFileDir); File baseFile = new File(realBaseDir); if (!baseFile.exists()) { baseFile.mkdir(); } /*获取文件类型参数*/ fileExt = this.getInitParameter("fileExt"); if (StringUtils.isBlank(fileExt)){ fileExt = "jpg,jpeg,bmp,gif,png,fla,swf,flv,avi,wmv"; } /*获取文件大小参数*/ String maxSize_str = this.getInitParameter("maxSize"); if (StringUtils.isNotBlank(maxSize_str)) maxSize = new Long(maxSize_str); /*获取文件目录类型参数*/ dirType = this.getInitParameter("dirType"); if (StringUtils.isBlank(dirType)) dirType = "1"; if (",0,1,2,3,".indexOf("," + dirType + ",") < 0) dirType = "1"; } /** * 上传文件数据chǔ理过程 */ @SuppressWarnings({"unchecked" }) public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html; charset=UTF-8"); response.setHeader("Cache-Control", "no-cache"); String err = ""; String newFileName = ""; DiskFileUpload upload = new DiskFileUpload(); try { List<FileItem> items = upload.parseRequest(request); Map<String, Serializable> fields = new HashMap<String, Serializable>(); Iterator<FileItem> iter = items.iterator(); while (iter.hasNext()) { FileItem item = (FileItem) iter.next(); if (item.isFormField()) fields.put(item.getFieldName(), item.getString()); else fields.put(item.getFieldName(), item); } /*获取表单的上传文件*/ FileItem uploadFile = (FileItem)fields.get("filedata"); /*获取文件上传路径名称*/ String fileNameLong = uploadFile.getName(); System.out.println("fileNameLong:" + fileNameLong); /*获取文件扩展名*/ /*索引加1的效果是只取xxx.jpg的jpg*/ String extensionName = fileNameLong.substring(fileNameLong.lastIndexOf(".") + 1); System.out.println("extensionName:" + extensionName); /*检查文件类型*/ if (("," + fileExt.toLowerCase() + ",").indexOf("," + extensionName.toLowerCase() + ",") < 0){ printInfo(response, "不允许上传此类型的文件", ""); return; } /*文件是否为空*/ if (uploadFile.getSize() == 0){ printInfo(response, "上传文件不能为空", ""); return; } /*检查文件大小*/ if (maxSize > 0 && uploadFile.getSize() > maxSize){ printInfo(response, "上传文件的大小超出限制", ""); return; } //0:不建目录, 1:按天存入目录, 2:按月存入目录, 3:按扩展名存目录.建议使用按天存. String fileFolder = ""; if (dirType.equalsIgnoreCase("1")){ fileFolder = new SimpleDateFormat("yyyyMMdd").format(new Date()); } if (dirType.equalsIgnoreCase("2")){ fileFolder = new SimpleDateFormat("yyyyMM").format(new Date()); } if (dirType.equalsIgnoreCase("3")){ fileFolder = extensionName.toLowerCase(); } //工程目录 String projectPath = this.getServletContext().getRealPath("/"); File files = new File(projectPath); //上传文件保存目录 String uploadFilePath = files.getPath()+File.separator + "upload"+File.separator +fileFolder+File.separator; System.out.println("saveFilePath:" + uploadFilePath); /*构建文件目录以及目录文件*/ File fileDir = new File(uploadFilePath); if (!fileDir.exists()) {fileDir.mkdirs();} /*重命名文件*/ String filename = UUID.randomUUID().toString(); File savefile = new File(uploadFilePath + filename + "." + extensionName); /*存储上传文件*/ System.out.println(upload == null); uploadFile.write(savefile); String projectBasePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort(); newFileName = projectBasePath +"/"+ "xheditordemo"+baseURLDir +fileFolder + "/" + filename + "." + extensionName; System.out.println("newFileName:" + newFileName); } catch (Exception ex) { System.out.println(ex.getMessage()); newFileName = ""; err = "错误: " + ex.getMessage(); } printInfo(response, err, newFileName); } /** * 使用I/O流输出 json格式的数据 * @param response * @param err * @param newFileName * @throws IOException */ public void printInfo(HttpServletResponse response, String err, String newFileName) throws IOException { PrintWriter out = response.getWriter(); out.println("{\"err\":\"" + err + "\",\"msg\":\"" + newFileName + "\"}"); out.flush(); out.close(); } }
4 使用截图
预览效果如下:
究其功能来看,xheditor要比其他html编辑器少很多,但是应付日常的开发应该够了
至于xheditor的API可以到网上找找,如果需要代码高亮的相关功能可以参考下面的链接
http://www.beijibear.com/index.php?aid=355
标签:xheditor
原文地址:http://blog.csdn.net/smartcodekm/article/details/40829113