1.首先下载个KindEditor编辑器然后解压，放到web目录下，里面有很多文件夹和小例子，不知道啥用处我都没有删除它们，因为我项目里用的是jsp，所以我找到了它里面的一个jsp的例子，然后把它改了下，如下：

(1)demo.jsp

<html>

<head>
<base href="" />
<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="js/jquery.js"></script>
<link rel="stylesheet" href="kindeditor/themes/default/default.css" />
<link rel="stylesheet" href="kindeditor/plugins/code/prettify.css" />
<script charset="utf-8" src="kindeditor/kindeditor.js"></script>
<script charset="utf-8" src="kindeditor/lang/zh_CN.js"></script>
<script charset="utf-8" src="kindeditor/plugins/code/prettify.js"></script>

<script>

 KindEditor.ready(function(K) {
  var editor1 = K.create('textarea[name="artContentId"]', {
    cssPath : 'kindeditor/plugins/code/prettify.css',
    uploadJson : '/xheditor/upload',
    allowFileManager : true,
   /*  afterCreate : function() {
     var self = this;
     K.ctrl(document, 13, function() {
      self.sync();
      document.forms['form1'].submit();
     });
     K.ctrl(self.edit.doc, 13, function() {
      self.sync();
      document.forms['form1'].submit();
     });
    } 没有用处*/
      afterBlur:function(){this.sync();} //注明失去焦点后提交form，这个很重要，也是我苦恼好久的问题，为啥子,直接type=submit就可以提交，而加上了js验证了就提交不了内容的了的原因
   });
    /* prettyPrint();  没有用处*/
   
   /*  K('#form1').bind('submit', function() {
              editor.sync();
          });  没有用处*/
  });

  <form action="admin/news/addarticle/${dirname}" method="post" id="form1">          文章内容   <textarea name="artContent" id="artContentId" cols="100" rows="8" style="width:700px;height:200px;visibility:hidden;">

  </textarea>
                              <input type="button" ID="submitFormId" class="btnInput" value="提交" />
  (2)接收图片servlet

import java.awt.p_w_picpath.BufferedImage;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.Serializable;
import java.util.Date;

import javax.p_w_picpathio.ImageIO;

/**

 * 多线程 图片上传功能
 *
 * @author User
 *
 */
public class FileUploadThread extends Thread implements Serializable {

 private static final long serialVersionUID = 7383841520335606068L;
 private String fileRealPath; // context路径
 private String fileNameLong;// 源文件名
 private InputStream input;// 文件流
 private String faceurl;// 相对文件夹路径
 private byte[] b;
 private String returnStr;
 private int returnType;//1=返回原图，2=返回小图

 public FileUploadThread(String fileRealPath, String fileNameLong,

   String faceurl, InputStream input, byte[] b, int returnType) {
  this.fileRealPath = fileRealPath;
  this.fileNameLong = fileNameLong;
  this.faceurl = faceurl;
  this.input = input;
  this.b = b;
  this.returnType = returnType;
 }

 public String getFileRealPath() {

  return fileRealPath;
 }

 public void setFileRealPath(String fileRealPath) {

  this.fileRealPath = fileRealPath;
 }

 public String getReturnStr() {

  return returnStr;
 }

 public void setReturnStr(String returnStr) {

  this.returnStr = returnStr;
 }

 public String getFileNameLong() {

  return fileNameLong;
 }

 public void setFileNameLong(String fileNameLong) {

  this.fileNameLong = fileNameLong;
 }

 public InputStream getInput() {

  return input;
 }

 public void setInput(InputStream input) {

  this.input = input;
 }

 public byte[] getB() {

  return b;
 }

 public void setB(byte[] b) {

  this.b = b;
 }

 public synchronized void run() {

  // 获取上传的文件名称
  // String fileNameLong = uploadFile.getOriginalFilename();
  // 获取文件扩展名
  String extensionName = fileNameLong.substring(fileNameLong
    .lastIndexOf(".") + 1);
  if (!extensionName.equals("jpg")) {
   if (!extensionName.equals("gif")) {
    if (!extensionName.equals("png")) {
     this.returnStr = "false";
    }
   }
  }
  String baseDir = "/uploadp_w_picpath/";
  String fileFolder = faceurl;
  /* 文件存储的相对路径 */
  String saveDirPath = baseDir + fileFolder + "/";
  /* 文件存储在容器中的绝对路径 */
  // String saveFilePath
  String saveFilePath = fileRealPath + saveDirPath;
  /* System.out.println(saveFilePath); */
  /* 构建文件目录以及目录文件 */
  File fileDir = new File(saveFilePath);
  if (!fileDir.exists()) {
   fileDir.mkdirs();
  }
  /* 重命名文件 */
  String filename = Digest.dateFormatString(new Date())
    .replaceAll(" ", "").replaceAll(":", "");
  try {
   FileOutputStream out = new FileOutputStream(saveFilePath + filename
     + "." + extensionName);
   out.write(b); // 写入文件
   out.close();
   BufferedImage p_w_picpath = ImageIO.read(input);
   ImageIO.write(ResizeImage.resizeImage(p_w_picpath, 100, 100), "jpg",
     new File(saveFilePath + filename + "_small."
       + extensionName));
  } catch (Exception e) {
   e.printStackTrace();
  }
  if(returnType == 1) {
   returnStr = saveDirPath + filename+ "." + extensionName;
  } else {
   returnStr = saveDirPath + filename + "_small." + extensionName;
  }
 }
}