本文实例为大家分享了springmvc+kindeditor文件上传的具体代码，供大家参考，具体内容如下
压缩包里面的jar放到tomcat的lib文件夹下，kindeditor文件放工程里，不用的可以删掉
jsp页面
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<%@ page language="java" contenttype="text/html; charset=utf-8" pageencoding="utf-8"%><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%><!doctype html public "-//w3c//dtd html 4.01 transitional//en" "http://www.w3.org/tr/html4/loose.dtd"><html><link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="external nofollow" ><script src="https://cdn.bootcss.com/jquery/2.1.1/jquery.min.js"></script><script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script><script src="./kindeditor/kindeditor-all-min.js"></script><script src="./kindeditor/lang/zh-cn.js"></script><script> kindeditor .ready(function(k) { window.editor = k .create( '#editor_id', { uploadjson : 'kindeditor/uploadfile', filemanagerjson : 'kindeditor/filemanager', allowimageupload : true, //多图上传 allowfilemanager : true, //浏览图片空间 filtermode : false, //html特殊代码过滤 afterblur : function() { this.sync(); }, //编辑器失去焦点(blur)时执行的回调函数（将编辑器的html数据同步到textarea） afterupload : function(url, data, name) { //上传文件后执行的回调函数，必须为3个参数 if (name == "image" || name == "multiimage") { //单个和批量上传图片时 if (k("#pic").length > 0) { //文本框存在 document .getelementbyid('piclist').options[document .getelementbyid('piclist').length] = new option( url, url); //下拉列表框增加一条 document .getelementbyid('piclist').selectedindex += 1; //选定刚新增的这一条 k("#indexpicimg") .html( "<img src='" + url + "' width='150' height='95' />"); //重置图片展示区div的html内容 k("#pic").val(url); //重置文本框值 } } } }); });</script><head><meta http-equiv="content-type" content="text/html; charset=utf-8"><title>insert title here</title></head><body> <form class="form-horizontal" role="form" action="articleadd" method="post" > <div class="form-group"> <label for="firstname" class="col-sm-2 control-label">标题</label> <div class="col-sm-5"> <input type="text" class="form-control" id="title" name="title" placeholder="请输入标题"> </div> </div> <div class="form-group"> <label for="lastname" class="col-sm-2 control-label">类别</label> <div class="col-sm-3"> <select class="form-control" name="categoryid"> <option>1</option> <option>2</option> <option>3</option> <option>4</option> <option>5</option> </select> </div> </div> <div class="form-group"> <label for="lastname" class="col-sm-2 control-label">内容</label> <div class=" col-sm-5"> <textarea id="editor_id" name="details" class="form-control" > <strong>html内容</strong> </textarea> </div> </div> <div class="form-group"> <div class="col-sm-offset-2 col-sm-10"> <button type="submit" class="btn btn-default">保存草稿</button> </div> </div> </form></body></html> |
kindaction.java
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package com.leo.ows.action;import java.io.bufferedoutputstream;import java.io.file;import java.io.fileoutputstream;import java.io.printwriter;import java.text.simpledateformat;import java.util.arraylist;import java.util.arrays;import java.util.collections;import java.util.comparator;import java.util.hashmap;import java.util.hashtable;import java.util.iterator;import java.util.list;import java.util.map;import java.util.uuid;import javax.servlet.http.httpservletrequest;import javax.servlet.http.httpservletresponse;import org.apache.commons.fileupload.servlet.servletfileupload;import org.springframework.stereotype.controller;import org.springframework.util.filecopyutils;import org.springframework.web.bind.annotation.requestmapping;import org.springframework.web.bind.annotation.requestmethod;import org.springframework.web.multipart.multipartfile;import org.springframework.web.multipart.multiparthttpservletrequest;import com.alibaba.fastjson.jsonobject;@controllerpublic class kindaction { @requestmapping(value ="/kindeditor/uploadfile", method = requestmethod.post) public void uploadfile(httpservletrequest request, httpservletresponse response) throws exception { printwriter writer = response.getwriter(); // 文件保存目录路径 string savepath = request.getsession().getservletcontext().getrealpath("/") + "upload/image" + file.separatorchar + file.separatorchar; string saveurl = request.getcontextpath()+ file.separatorchar + "upload/image" + file.separatorchar + file.separatorchar; // 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"); // 最大文件大小 long maxsize = 1000000; response.setcontenttype("text/html; charset=utf-8"); if (!servletfileupload.ismultipartcontent(request)) { writer.println(geterror("请选择文件。")); return; } file uploaddir = new file(savepath); // 判断文件夹是否存在,如果不存在则创建文件夹 if (!uploaddir.exists()) { uploaddir.mkdirs(); } // 检查目录写权限 if (!uploaddir.canwrite()) { writer.println(geterror("上传目录没有写权限。")); return; } string dirname = request.getparameter("dir"); if (dirname == null) { dirname = "image"; } if (!extmap.containskey(dirname)) { writer.println(geterror("目录名不正确。")); return; } multiparthttpservletrequest mrequest = (multiparthttpservletrequest) request; map<string, multipartfile> filemap = mrequest.getfilemap(); string filename = null; for (iterator<map.entry<string, multipartfile>> it = filemap.entryset().iterator(); it.hasnext();) { map.entry<string, multipartfile> entry = it.next(); multipartfile mfile = entry.getvalue(); filename = mfile.getoriginalfilename(); // 检查文件大小 if (mfile.getsize() > maxsize) { writer.println(geterror("上传文件大小超过限制。")); return; } string fileext = filename.substring(filename.lastindexof(".")+1); if (!arrays.<string> aslist(extmap.get(dirname).split(",")).contains(fileext)) { writer.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。")); return; } uuid uuid = uuid.randomuuid(); string path = savepath + uuid.tostring() +"."+ fileext; saveurl = saveurl + uuid.tostring() +"."+ fileext; bufferedoutputstream outputstream = new bufferedoutputstream(new fileoutputstream(path)); filecopyutils.copy(mfile.getinputstream(), outputstream); jsonobject obj = new jsonobject(); obj.put("error", 0); obj.put("url", saveurl); writer.println(obj.tostring()); } } private string geterror(string message) { jsonobject obj = new jsonobject(); obj.put("error", 1); obj.put("message", message); return obj.tostring(); } @requestmapping(value = "/kindeditor/filemanager", method = requestmethod.get) public void filemanager(httpservletrequest request, httpservletresponse response) throws exception { //根目录路径，可以指定绝对路径，比如 /var/www/attached/ string rootpath = request.getsession().getservletcontext().getrealpath("/")+ "upload/"; //根目录url，可以指定绝对路径，比如 http://www.yoursite.com/attached/ string rooturl = request.getcontextpath() + "/upload/"; //图片扩展名 string[] filetypes = new string[]{"gif", "jpg", "jpeg", "png", "bmp"}; system.out.println(rootpath); string dirname = request.getparameter("dir"); if (dirname != null) { if(!arrays.<string>aslist(new string[]{"image", "flash", "media", "file"}).contains(dirname)){ system.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) { system.out.println("access is not allowed."); return; } //最后一个字符不是/ if (!"".equals(path) && !path.endswith("/")) { system.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()){ system.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()); } jsonobject result = new jsonobject(); result.put("moveup_dir_path", moveupdirpath); result.put("current_dir_path", currentdirpath); result.put("current_url", currenturl); result.put("total_count", filelist.size()); result.put("file_list", filelist); response.setcontenttype("application/json; charset=utf-8"); system.out.println(result.tojsonstring()); printwriter writer=response.getwriter(); writer.println(result); } public 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")); } } } public 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; } } } } public 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")); } } }} |
效果图
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/shihua0610/article/details/77183262
