Kindeditor的快速上手
1、介绍
1.1简介
Kindeditor 是一套开源的在线HTML编辑器，主要用于让用户在网站上获得所见即所得编辑效果，我们可以用 KindEditor 把传统的多行文本输入框(textarea)替换为可视化的富文本输入框。
1.2 主要特点
快速：体积小，加载速度快
开源：开放源代码，高水平，高品质
底层：内置自定义 DOM 类库，精确操作 DOM
扩展：基于插件的设计，所有功能都是插件，可根据需求增减功能
风格：修改编辑器风格非常容易，只需修改一个 CSS 文件
兼容：支持大部分主流浏览器，比如 IE、Firefox、Safari、Chrome、Opera。
2、实例easyui springmvc
2.1 jsp页面
<%@page contentType="text/html;charset=UTF-8" trimDirectiveWhitespaces="true"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script src="js/jquery.js"></script>
<script type="text/javascript">
//kindeditor控件有需要
var basePath = '${pageContext.request.scheme}://${pageContext.request.serverName}:${pageContext.request.serverPort}${pageContext.request.contextPath}/';
</script>
<title>测试页面</title>
<!-- 编辑器控件 -->
<link rel="stylesheet" href="plugins/kindeditor/themes/default/default.css" />
<script charset="utf-8" src="plugins/kindeditor/kindeditor-min.js"></script>
<script charset="utf-8" src="plugins/kindeditor/lang/zh_CN.js"></script>
<script>
var editor;
KindEditor.ready(function(K) {
editor = K.create('textarea[name="content"]', {
allowFileManager : true
});
editor.html("你可以测试一下插入文件和插入图片功能，提交后可以在下方看见预览！");
});
function submitForm()
{
$.ajax({
type: "POST",
url: "ajaxForm.do",//ajsx提交表单
data: {"content":editor.html()},
success: function(data)
{
if(data)
{
$("textarea[name=content]").val("");
editor.html("");
}
},
error: function()
{
alert("操作失败");
}
});
}
</script>
</head>
<body style="background-color: #FFF">
<div class="main">
<div class="wraper">
<form id="form" name="form" class="registerform" action="" onsubmit="return false;" method="post">
<table width="100%" style="table-layout:fixed;padding-left: 10px;" border="0">
<tr>
<td style="width:520px;">
<textarea rows="3" cols="10" name="content" style="width:520px;height:400px;visibility:hidden;"></textarea>
</td>
</tr>
<tr>
<td style="padding:10px 0 18px 0;">
<input type="button" value="提 交" id="submit" onclick="submitForm();"/>
</td>
</tr>
</table>
</form>
</div>
</div>
</body>
</html>
使用默认的kindeditor模式中，图片上传路径/kindeditor/plugins/filemanager/filemanager.js中第16行左右的uploadJson和图片管理路径/kindeditor/plugins/filemanager/filemanager.js中第十二行fileManagerJson修改为：basePath+“/kindeditor/file_upload.do” 和basePath+“/kindeditor/file_manager_json.do”
2.2 Controller
/**
* kindeditor文件上传控制器
* @author Rrenchuan.Qin
* @date 2013-7-17 下午1:38:19
*/
@Controller
@RequestMapping("kindeditor")
public class KindEditorController {
/**
* 文件上传
* @param request
* @param response
* @return
* @throws ServletException
* @throws IOException
* @throws FileUploadException
*/
@SuppressWarnings("rawtypes")
@RequestMapping(value = "file_upload.do")
//@ResponseBody
public void fileUpload(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException,
FileUploadException {
ServletContext application = request.getSession().getServletContext();
String savePath = application.getRealPath("/") + "attached/";
// 文件保存目录URL
String saveUrl = request.getContextPath() + "/attached/";
// 定义允许上传的文件扩展名
HashMap<String, String> extMap = new HashMap<String, String>();
extMap.put("image", "gif,jpg,jpeg,png,bmp");
extMap.put("flash", "swf,flv");
extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,xml,sql,txt,zip,rar,gz,bz2,pdf");
// 最大文件大小
long maxSize = 10000000;
response.setContentType("text/html; charset=UTF-8");
if (!ServletFileUpload.isMultipartContent(request)) {
writeMsg(response, "请选择文件。");
return;
}
// 检查目录
File uploadDir = new File(savePath);
if (!uploadDir.isDirectory()) {
writeMsg(response, "上传目录不存在。");
return;
}
// 检查目录写权限
if (!uploadDir.canWrite()) {
writeMsg(response, "上传目录没有写权限。");
return;
}
String dirName = request.getParameter("dir");
if (dirName == null) {
dirName = "image";
}
if (!extMap.containsKey(dirName)) {
writeMsg(response, "目录名不正确。");
return;
}
// 创建文件夹
savePath += dirName + "/";
saveUrl += dirName + "/";
File saveDirFile = new File(savePath);
if (!saveDirFile.exists()) {
saveDirFile.mkdirs();
}
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String ymd = sdf.format(new Date());
savePath += ymd + "/";
saveUrl += ymd + "/";
File dirFile = new File(savePath);
if (!dirFile.exists()) {
dirFile.mkdirs();
}
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
upload.setHeaderEncoding("UTF-8");
List items = upload.parseRequest(request);
Iterator itr = items.iterator();
while (itr.hasNext()) {
FileItem item = (FileItem) itr.next();
String fileName = item.getName();
if (!item.isFormField()) {
// 检查文件大小
if (item.getSize() > maxSize) {
writeMsg(response, "上传文件大小超过限制。");
return;
}
// 检查扩展名
String fileExt = fileName.substring(
fileName.lastIndexOf(".") + 1).toLowerCase();
if (!Arrays.<String> asList(extMap.get(dirName).split(","))
.contains(fileExt)) {
writeMsg(response, "上传文件扩展名是不允许的扩展名。\n只允许"
+ extMap.get(dirName) + "格式。");
return;
}
SimpleDateFormat df = new SimpleDateFormat("yyyyMMddHHmmss");
String newFileName = df.format(new Date()) + "_"
+ new Random().nextInt(1000) + "." + fileExt;
try {
File uploadedFile = new File(savePath, newFileName);
item.write(uploadedFile);
} catch (Exception e) {
writeMsg(response, "上传文件失败。");
return;
}
Map<String, Object> msg = new HashMap<String, Object>();
msg.put("error", 0);
msg.put("url", saveUrl + newFileName);
//WebUtil.writerJson(response, msg);
writeJson(response, msg);
}
}
}
/**
* 输出信息
* @param response
* @param message
*/
private void writeMsg(HttpServletResponse response, String message)
{
Map<String, Object> msg = new HashMap<String, Object>();
msg.put("error", 1);
msg.put("message", message);
//WebUtil.writerJson(response, msg);
writeJson(response, msg);
}
/**
*输出json 解决ie
* @param response
* @param msg
*/
private void writeJson(HttpServletResponse response, Object msg)
{
response.reset();
response.setCharacterEncoding("UTF-8");
response.setContentType("text/html");
PrintWriter writer = null;
try {
writer = response.getWriter();
writer.println(JSON.toJSONString(msg));
writer.flush();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (writer != null) {
try {
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
/**
* 文件管理
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
@RequestMapping(value = "file_manager_json.do")
public void fileManager(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
ServletContext application = request.getSession().getServletContext();
ServletOutputStream out = response.getOutputStream();
// 根目录路径，可以指定绝对路径，比如 /var/www/attached/
String rootPath = application.getRealPath("/") + "attached/";
// 根目录URL，可以指定绝对路径，比如 http://www.yoursite.com/attached/
String rootUrl = request.getContextPath() + "/attached/";
// 图片扩展名
String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };
String dirName = request.getParameter("dir");
if (dirName != null) {
if (!Arrays.<String> asList(
new String[] { "image", "flash", "media", "file" })
.contains(dirName)) {
out.println("Invalid Directory name.");
return;
}
rootPath += dirName + "/";
rootUrl += dirName + "/";
File saveDirFile = new File(rootPath);
if (!saveDirFile.exists()) {
saveDirFile.mkdirs();
}
}
// 根据path参数，设置各路径和URL
String path = request.getParameter("path") != null ? request
.getParameter("path") : "";
String currentPath = rootPath + path;
String currentUrl = rootUrl + path;
String currentDirPath = path;
String moveupDirPath = "";
if (!"".equals(path)) {
String str = currentDirPath.substring(0,
currentDirPath.length() - 1);
moveupDirPath = str.lastIndexOf("/") >= 0 ? str.substring(0,
str.lastIndexOf("/") + 1) : "";
}
// 排序形式，name or size or type
String order = request.getParameter("order") != null ? request
.getParameter("order").toLowerCase() : "name";
// 不允许使用..移动到上一级目录
if (path.indexOf("..") >= 0) {
out.println("Access is not allowed.");
return;
}
// 最后一个字符不是/
if (!"".equals(path) && !path.endsWith("/")) {
out.println("Parameter is not valid.");
return;
}
// 目录不存在或不是目录
File currentPathFile = new File(currentPath);
if (!currentPathFile.isDirectory()) {
out.println("Directory does not exist.");
return;
}
// 遍历目录取的文件信息
List<Hashtable> fileList = new ArrayList<Hashtable>();
if (currentPathFile.listFiles() != null) {
for (File file : currentPathFile.listFiles()) {
Hashtable<String, Object> hash = new Hashtable<String, Object>();
String fileName = file.getName();
if (file.isDirectory()) {
hash.put("is_dir", true);
hash.put("has_file", (file.listFiles() != null));
hash.put("filesize", 0L);
hash.put("is_photo", false);
hash.put("filetype", "");
} else if (file.isFile()) {
String fileExt = fileName.substring(
fileName.lastIndexOf(".") + 1).toLowerCase();
hash.put("is_dir", false);
hash.put("has_file", false);
hash.put("filesize", file.length());
hash.put("is_photo", Arrays.<String> asList(fileTypes)
.contains(fileExt));
hash.put("filetype", fileExt);
}
hash.put("filename", fileName);
hash.put("datetime",
new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file
.lastModified()));
fileList.add(hash);
}
}
if ("size".equals(order)) {
Collections.sort(fileList, new SizeComparator());
} else if ("type".equals(order)) {
Collections.sort(fileList, new TypeComparator());
} else {
Collections.sort(fileList, new NameComparator());
}
Map<String, Object> msg = new HashMap<String, Object>();
msg.put("moveup_dir_path", moveupDirPath);
msg.put("current_dir_path", currentDirPath);
msg.put("current_url", currentUrl);
msg.put("total_count", fileList.size());
msg.put("file_list", fileList);
response.setContentType("application/json; charset=UTF-8");
String msgStr = "";
msgStr = JSON.toJSONString(msg);
out.println(msgStr);
}
@SuppressWarnings("rawtypes")
class NameComparator implements Comparator {
public int compare(Object a, Object b) {
Hashtable hashA = (Hashtable) a;
Hashtable hashB = (Hashtable) b;
if (((Boolean) hashA.get("is_dir"))
&& !((Boolean) hashB.get("is_dir"))) {
return -1;
} else if (!((Boolean) hashA.get("is_dir"))
&& ((Boolean) hashB.get("is_dir"))) {
return 1;
} else {
return ((String) hashA.get("filename"))
.compareTo((String) hashB.get("filename"));
}
}
}
@SuppressWarnings("rawtypes")
class SizeComparator implements Comparator {
public int compare(Object a, Object b) {
Hashtable hashA = (Hashtable) a;
Hashtable hashB = (Hashtable) b;
if (((Boolean) hashA.get("is_dir"))
&& !((Boolean) hashB.get("is_dir"))) {
return -1;
} else if (!((Boolean) hashA.get("is_dir"))
&& ((Boolean) hashB.get("is_dir"))) {
return 1;
} else {
if (((Long) hashA.get("filesize")) > ((Long) hashB
.get("filesize"))) {
return 1;
} else if (((Long) hashA.get("filesize")) < ((Long) hashB
.get("filesize"))) {
return -1;
} else {
return 0;
}
}
}
}
@SuppressWarnings("rawtypes")
class TypeComparator implements Comparator {
public int compare(Object a, Object b) {
Hashtable hashA = (Hashtable) a;
Hashtable hashB = (Hashtable) b;
if (((Boolean) hashA.get("is_dir"))
&& !((Boolean) hashB.get("is_dir"))) {
return -1;
} else if (!((Boolean) hashA.get("is_dir"))
&& ((Boolean) hashB.get("is_dir"))) {
return 1;
} else {
return ((String) hashA.get("filetype"))
.compareTo((String) hashB.get("filetype"));
}
}
}
}