摘要:序言中使用的开发工具不足。请给我更多有关是否在选择文件代码,图像路径,图像代码和图像上传后自动上传的建议。 内部是根据当前执行创建的。这可能是一个元素。另外,这可能是如何上传文件。 默认值设置文件上传域。
前言:
案例中使用的开发工具:蚀
我希望大家都为我提供一些有关缺点的建议( ̄▽ ̄*)
1。罐子包
2。JS文件
3。html代码
4。JS代码5。XML配置5.1 web.xml webuploaderservlet webuploaderservlet servlet.webuploaderservlet webuploaderservlet /webuploader.do 5.2
6。Java代码6.1 Servlet:webuploaderservlet.java
受保护的void doget(httpservletrequest请求,httpservletresponse响应)servletexception,ioexception {// todo auto -生成的方法stub maut = webuploaderaction.webuploaderaction.webuploaderimg(请求,响应); system.out.out.out.out.out.out.out.out.out.data:“+map.get(“ data”)); try {wress.getWriter()。write(jsonobject.fromobject.fromobject(map).toString().toString().toString();} catch(ioexception e)
包裹操作;导入java.io.file;导入java.io.ioexception;导入java.util.hashmap;导入java.util.list;导入java.util.util.uuid;导入javax.servlet.http.httpretlet; javax.servlet.http.httpservletresponse;导入org.apache.commons.fileupload.fileitem;导入org.apache.commons.fileupload.disk.diskfileitemfactory;进口org.apache.commons.filepload.ervleplet.servletleft.servleft.servlepload.servlepload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpl oad.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpl oad.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervp load.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervp load.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.erv.erv pload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.erv pload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.erv pload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.ervpload.erv 40MB私有静态final int max_request_size = 1024 * 1024 *50; // 50MBPUBLIC MAP webuploaderimg(httpservletrequest请求,httpservletresponseresponse){system.out.out.println(“ webuploaderimg方法” entry'');响应。setCharacterEnCoding(“ UTF - 8”);响应EcondType(“/json(“/json(”/json(“/json); hashmap(); if(!servletfileupload.ismultipartcontcontent(request)){//如果要停止map.put.put.put。上传参数=新的diskfileitemfactory(); ServletFileUpload上传=新的ServletFileUpload(工厂);upload.setfilesizemax(max_file_size); //设置最大请求的值(包括文件和表单数据)upload.setsizemax(max_request_size); //中国处理上传。 //构造存储上传文件的临时路径//此路径与当前应用的目录字符串uploadath =“ d:/” + upload_directory有关。 //文件uploadDir = new File(uploadPath);如果(!uploadDir.exists()){uploaddir.mkdir(); } //字符串以设置路径参数imgurl =“”;尝试{//解析请求的内容和文件数据@suppresswarnings(“ UNCANCED”)FORMITEMS = upload.parserequest(request); System.out.println(“ C”); if(formItems!= null && formitems.size()> 0){//(fileItem item:formItems){formitems)。// if(!item.isformfield())){//上传文件字符串filename = uuid.randomuuid()。 toString() +“ .png”; // anti-name //指定字符串filepath = uploadPath + fileName;文件库=新文件(filepath); //使用Console System.out.println打开文件上传路径(“成功上传文件:”+filepath)。 //将文件保存到您的硬盘item.write(corefile)。 imgurl =“/” + upload_directory +“/” +文件名; // filepath system.out.println(“ imgurl:” + imgurl); }}}} catch(exception ex){ex.printstacktrace();} map.put(“代码”,200); map.put(“数据”,imgurl);返回地图;}} 7。效果显示
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