论坛 Forum

控制器:

@RequestMapping(value = "/upload")
public void upload(HttpServletRequest request, HttpServletResponse response, Model model) throws FileUploadException, IOException {
//文件保存目录路径
String savePath = "C://attached/";

//文件保存目录URL
String saveUrl = "C://attached/";

PrintWriter out = response.getWriter();

String content = request.getParameter("filename");
model.addAttribute("content", content);

//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,txt,zip,rar,gz,bz2");

//最大文件大小
long maxSize = 1000000;

response.setContentType("text/html; charset=UTF-8");

if (!ServletFileUpload.isMultipartContent(request)) {
out.println(getError("请选择文件。"));
}
//检查目录
File uploadDir = new File(savePath);
if (!uploadDir.isDirectory()) {
out.println(getError("上传目录不存在。"));
}
//检查目录写权限
if (!uploadDir.canWrite()) {
out.println(getError("上传目录没有写权限。"));
}

String dirName = request.getParameter("dir");
if (dirName == null) {
dirName = "image";
}
if (!extMap.containsKey(dirName)) {
out.println(getError("目录名不正确。"));
}
//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();
long fileSize = item.getSize();
if (!item.isFormField()) {
//检查文件大小
if (item.getSize() > maxSize) {
out.println(getError("上传文件大小超过限制。"));

}
//检查扩展名
String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
if (!Arrays.<String> asList(extMap.get(dirName).split(",")).contains(fileExt)) {
out.println(getError("上传文件扩展名是不允许的扩展名。\n只允许" + extMap.get(dirName) + "格式。"));
}

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) {
out.println(getError("上传文件失败。"));
}

// JSONObject obj = new JSONObject();
// obj.put("error", 0);
//obj.put("url", saveUrl + newFileName);
out.println("{ error : '0' ,url：'" + saveUrl + newFileName + "'}");
}
}
response.getWriter().write("<script type=\"text/javascript\">parent.KE.plugin[\"image\"].insert(\""  
                + "content"  
                + "\",\""  
                + "http://www.baidu.com/img/bdlogo.gif"  
                + "\",\""  
                + "title"  
                + "\",\""  
                + "200"  
                + "\",\"" + "200" + "\",\"" + "0" + "\");</script>");
}

页面:

<link rel="stylesheet" href="${rc.contextPath }/summary_static/kindeditor-4.1.7/themes/default/default.css" />
<script charset="utf-8" src="${rc.contextPath }/summary_static/kindeditor-4.1.7/kindeditor-min.js"></script>
<script charset="utf-8" src="${rc.contextPath }/summary_static/kindeditor-4.1.7/lang/zh_CN.js"></script>
<script>
var editor1;
KindEditor.ready(function(K) {
editor1 = K.create('textarea[name="content"]', {
        uploadJson : '/demo/upload',
        fileManagerJson : '/demo/manager',
afterCreate : function() {
var self = this;
K.ctrl(document, 13, function() {
self.sync();
document.forms['example'].submit();
});
K.ctrl(self.edit.doc, 13, function() {
self.sync();
document.forms['example'].submit();
});
}
});
prettyPrint();
});
</script>
<div id="addTopic">
<form name="example" method="post" action="demo.jsp">
<textarea name="content" cols="10" rows="8"
style="width: 500px; height: 200px;"></textarea>
</div>
</head>
<body>
</body>

{ error : '0' ,url：'C://attached/image/20130626/20130626095909_432.jpg'}

没有把图片在editor里边显示

求解，谢谢。

@RequestMapping(method=RequestMethod.POST)
	public void post(@RequestParam(value="dir",defaultValue="file")String dir,HttpServletResponse response,MultipartRequest multipartRequest)throws Exception {
		Iterator<String> names = multipartRequest.getFileNames();
		boolean hasFile = false;
		while (names != null && names.hasNext()) {
			hasFile = true;
			String name = names.next();
			MultipartFile mFile = multipartRequest.getFile(name);
			this.attachmentService.saveAttachment(mFile, dir, "").toResponse(response);
			logger.debug("UPLOAD File [" + mFile.getOriginalFilename() + "][" + mFile.getSize() + "]");
		}
		if (hasFile == false) {
			AttMessageDTO.Error("至少选择一个文件上传").toResponse(response);
		}
       	}

/**
 * 
 */
package net.fytech.dls.infrastructure.ctrls.attachment;

import java.io.Writer;

import javax.servlet.http.HttpServletResponse;


/**
 * @author  2013-6-15
 *
 */
public class AttMessageDTO implements java.io.Serializable {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	private int error = 0;
	
	private String message = "";
	
	private String url = "";
	
	public static AttMessageDTO Error(String message) {
		AttMessageDTO dto = new AttMessageDTO("");
		dto.error = 1;
		dto.message = message;
		return dto;
	}
	
	public static AttMessageDTO Success(String url) {
		AttMessageDTO dto = new AttMessageDTO(url);
		return dto;
	}
	
	public AttMessageDTO() {
		
	}

	public AttMessageDTO(String url) {
		this.url = url;
	}
	
	public int getError() {
		return error;
	}

	public void setError(int error) {
		this.error = error;
	}

	public String getMessage() {
		return message;
	}

	public void setMessage(String message) {
		this.message = message;
	}

	public String getUrl() {
		return url;
	}

	public void setUrl(String url) {
		this.url = url;
	}
	
	public void toResponse(HttpServletResponse response) throws Exception{
		response.setContentType("text/html");
		Writer out = response.getWriter();
		out.append("{\"error\":" + this.error + ", \"url\": \"" + url + "\"}");
	}
}

KindEditor在文件上传成功返回时无法获取JSON，只能用字符串输出到Response中，希望以后版本能修复这个问题