Struts2+uploadify动态向后台传参数

太过爱你忘了你带给我的痛 2022-08-25 09:21 169阅读 0赞

# 前台代码 #

<html>
      <head>
        <base href="<%=basePath%>">
        <title>文件上传</title>
    
    	<link rel="stylesheet" type="text/css" href="uploadfy/uploadify.css"  />
        <script type="text/javascript" src="uploadfy/jquery-1.9.1.js"></script>
        <script type="text/javascript" src="uploadfy/jquery.uploadify.js"></script>
        <script type="text/javascript" src="uploadfy/jquery.uploadify.min.js"></script>
    
    	<script type="text/javascript">
    		$(function() { 
                $("#files").uploadify({
                	 'multi': false,
                     'auto':false,
                	'fileObjName' : 'files',
                    'swf': 'uploadfy/uploadify.swf',
                    'uploader': 'upload.action',
                    'multi': false,
                    'overrideEvents' : ['onUploadProgress'],  
                    'fileTypeDesc':'支持的格式：',
                    'formData': {'ctrlid' : 1},
                    //允许上传的文件后缀
                    'fileTypeExts':'*.jpg;*.jpge;*.gif;*.png',
                    //上传文件的大小限制
                    'fileSizeLimit':'3MB',
                    //  'buttonImage':'upbutton.gif',
                    //浏览按钮的宽度
                    'width':'100',
                    //浏览按钮的高度
                    'height':'32',
                    //上传数量 
                    'queueSizeLimit' : 1,
                    'onCancel':function(file) {
               			 alert('The file ' + file.name + ' was cancelled.');
          			  } ,
    	            'onUploadSuccess':function(file, data, response){
    	              	  var temp = eval("("+data+")");	//包数据解析为json 格式  
    	              	  alert(temp.res.msg);
    	            },
    	     
    	           'onUploadStart' : function(file) {
    	            		$("#files").uploadify("settings", "formData", { 'ctrlid': $('#abc').val() });
    	           },
                   //在onUploadStart事件中，也就是上传之前，把参数写好传递到后台。
    
    	            //返回一个错误，选择文件的时候触发
    	            'onSelectError':function(file, errorCode, errorMsg){
    	                switch(errorCode) {
    	                    case -100:
    	                        alert("上传的文件数量已经超出系统限制的"+$('#files').uploadify('settings','queueSizeLimit')+"个文件！");
    	                        break;
    	                    case -110:
    	                        alert("文件 大小超出系统限制的"+$('#files').uploadify('settings','fileSizeLimit')+"大小！");
    	                        break;
    	                    case -120:
    	                        alert("文件 大小异常！");
    	                        break;
    	                    case -130:
    	                        alert("文件 类型不正确！");
    	                        break;
    	                }
    	            },
    	            //检测FLASH失败调用
    	            'onFallback':function(){
    	                alert("您未安装FLASH控件，无法上传图片！请安装FLASH控件后再试。");
    	            },
                });
            });  
    		
    	
    		
        </script>
      </head>
      <body>
       		<div id="fileQueue"></div>  
    	    <input type="file" name="files" id="files" />  
    	    <input id="abc" type="text">
    		<a href="javascript:$('#files').uploadify('upload');">确定上传</a>  
    		
    	    <div id="result"></div> 
    
      </body>
    </html>

# 后台代码 #

package upload;
    
    
    import java.io.File;
    import java.text.SimpleDateFormat;
    import java.util.Date;
    import java.util.HashMap;
    import java.util.Map;
    
    import net.sf.json.JSONObject;
    
    import org.apache.commons.io.FileUtils;
    import org.apache.struts2.ServletActionContext;
    
    import com.opensymphony.xwork2.ActionContext;
    import com.opensymphony.xwork2.ActionSupport;
    
    @SuppressWarnings("serial")
    public class UploadFileAction extends ActionSupport{
    //	private String getfile = null;
    	 private File files = null;
    	 private String title = null;
    	 private String filesFileName = null;
    	 private String filesContentType = null;
    	 private String ctrlid;
    	 private  JSONObject res;
    	 
    	public JSONObject getRes() {
    		return res;
    	}
    
    	public void setRes(JSONObject res) {
    		this.res = res;
    	}
    
    	public String getCtrlid() {
    		return ctrlid;
    	}
    
    	public void setCtrlid(String ctrlid) {
    		this.ctrlid = ctrlid;
    	}
    
    	public String getImageTimeName(String fileName){
    		Date date=new Date();
    		SimpleDateFormat sd=new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss_SSS");
    		return sd.format(date)+fileName.substring(fileName.lastIndexOf('.'));
    
    	}
    	 
    	public String execute() throws Exception {
            String realpath = ServletActionContext.getServletContext().getRealPath("/images");
    
            String nowName=getImageTimeName(filesFileName);
            String realNamepath=realpath+"\\"+nowName;
            String relativePaht="images\\"+nowName;
            
            System.out.println(this.getCtrlid());
            
    		try {
    			System.out.println(nowName);
    			System.out.println(realNamepath);
    			System.out.println(relativePaht);
    			
    	
    
    	        if (files != null) {
    	            File savefile = new File(new File(realpath), nowName);
    	            if (!savefile.getParentFile().exists()){
    	            	  savefile.getParentFile().mkdirs();
    	            }
    	            FileUtils.copyFile(files, savefile);
    	            
    	    		Map<String, Object> map=new HashMap<String, Object>();
    	            map.put("msg", "上伟成功！传递参数为："+this.getCtrlid());
    	       
    	            this.setRes(JSONObject.fromObject(map));
    	        }
    		} catch (Exception e) {
    			e.printStackTrace();
    		}
            return SUCCESS;
    	}
    
    
    	public File getFiles() {
    		return files;
    	}
    
    	public void setFiles(File files) {
    		this.files = files;
    	}
    	public String getTitle() {
    		return title;
    	}
    	public void setTitle(String title) {
    		this.title = title;
    	}
    	public String getFilesFileName() {
    		return filesFileName;
    	}
    	public void setFilesFileName(String filesFileName) {
    		this.filesFileName = filesFileName;
    	}
    	public String getFilesContentType() {
    		return filesContentType;
    	}
    	public void setFilesContentType(String filesContentType) {
    		this.filesContentType = filesContentType;
    	}
    	
    }

# 运行结果 #

![Center][]

# 注意事项 #

注意struts2的json返回结果配置

注意JSON包的引入commons-beanutils-1.7.0.jar commons-collections-3.2.jar commons-lang-2.4.jar commons-logging-1.1.jar ezmorph-1.0.4.jar json-lib-2.2.2-jdk15.jar

工程项目 [http://download.csdn.net/detail/whzhaochao/6974943][http_download.csdn.net_detail_whzhaochao_6974943]

[Center]: /images/20220824/812534613ffb467f9ff6ad375a0881b1.png
[http_download.csdn.net_detail_whzhaochao_6974943]: http://download.csdn.net/detail/whzhaochao/6974943