| 提交 | 用户 | 时间 | ||
| 58d006 | 1 | package com.mandi.servlet; |
| A | 2 | |
| 3 | import java.awt.image.BufferedImage; | |
| 4 | import java.io.File; | |
| 5 | import java.io.IOException; | |
| 6 | import java.util.Enumeration; | |
| 7 | import java.util.Iterator; | |
| 8 | import java.util.List; | |
| 9 | import java.util.Map; | |
| 10 | ||
| 11 | import javax.imageio.ImageIO; | |
| 12 | import javax.servlet.ServletException; | |
| 13 | import javax.servlet.annotation.WebServlet; | |
| 14 | import javax.servlet.http.HttpServlet; | |
| 15 | import javax.servlet.http.HttpServletRequest; | |
| 16 | import javax.servlet.http.HttpServletResponse; | |
| 17 | ||
| 18 | import org.apache.commons.fileupload.FileItem; | |
| 19 | import org.apache.commons.fileupload.disk.DiskFileItemFactory; | |
| 20 | import org.apache.commons.fileupload.servlet.ServletFileUpload; | |
| 21 | import org.apache.log4j.Logger; | |
| 22 | import org.springframework.context.ApplicationContext; | |
| 23 | import org.springframework.web.context.support.WebApplicationContextUtils; | |
| 24 | ||
| 25 | import com.google.gson.Gson; | |
| 26 | import com.google.gson.JsonObject; | |
| 27 | import com.mandi.common.Jacksonmethod; | |
| 28 | import com.mandi.common.RequestParam; | |
| 29 | import com.mandi.servlet.file.FileLoad; | |
| 30 | import com.mandi.servlet.file.impl.FileLoadImpl; | |
| 31 | ||
| 32 | /** | |
| 33 | * @author mengly | |
| 34 | * @version 创建时间：2015年9月25日 下午5:09:08 | |
| 35 | * 类说明 | |
| 36 | */ | |
| 37 | ||
| 38 | public class Imageuploadservlet extends HttpServlet { | |
| 39 | private Logger log=Logger.getLogger(Imageuploadservlet.class); | |
| 40 | private static final long serialVersionUID = 1L; | |
| 41 | /** | |
| 42 | * cop:lt,gt，eq | |
| 43 | */ | |
| 44 | @Override | |
| 45 | protected void doPost(HttpServletRequest req, HttpServletResponse resp) | |
| 46 | throws ServletException, IOException { | |
| 47 | ApplicationContext a=WebApplicationContextUtils.getWebApplicationContext(req.getServletContext()); | |
| 48 | if(a==null) | |
| 49 | return; | |
| 50 | DiskFileItemFactory dfif=new DiskFileItemFactory(); | |
| 51 | ServletFileUpload sf=new ServletFileUpload(dfif); | |
| 52 | sf.setHeaderEncoding("utf-8"); | |
| 53 | List<FileItem> list=null; | |
| 54 | ||
| 55 | String path1=req.getParameter("path"); | |
| 56 | int width=RequestParam.getInt(req, "width"); | |
| 57 | int height=RequestParam.getInt(req, "height"); | |
| 58 | String cop=RequestParam.getString(req, "cop"); | |
| 59 | int size=RequestParam.getInt(req, "size"); | |
| 60 | FileItem tfi=null; | |
| 61 | Map<String, Object> tf=null; | |
| 62 | try{ | |
| 63 | list=sf.parseRequest(req); | |
| 64 | Iterator<FileItem> it=list.iterator(); | |
| 65 | while(it.hasNext()) | |
| 66 | { | |
| 67 | FileItem fi=it.next(); | |
| 68 | if(fi.isFormField()) | |
| 69 | { | |
| 70 | String pname=fi.getFieldName(); | |
| 71 | String pvalue=fi.getString(); | |
| 72 | try{ | |
| 73 | if("path".equals(pname)) | |
| 74 | { | |
| 75 | path1=pvalue; | |
| 76 | } | |
| 77 | if("width".equals(pname)) | |
| 78 | { | |
| 79 | width=Integer.valueOf(pvalue); | |
| 80 | } | |
| 81 | if("height".equals(pname)) | |
| 82 | { | |
| 83 | height=Integer.valueOf(pvalue); | |
| 84 | } | |
| 85 | if("cop".equals(pname)) | |
| 86 | { | |
| 87 | cop=pvalue; | |
| 88 | } | |
| 89 | if("size".equals(pname)) | |
| 90 | { | |
| 91 | size=Integer.valueOf(pvalue); | |
| 92 | } | |
| 93 | }catch(Exception e1){log.info("转换错误!");} | |
| 94 | }else{ | |
| 95 | tfi=fi; | |
| 96 | } | |
| 97 | } | |
| 98 | }catch(Exception e){ | |
| 99 | log.info(e.getMessage()); | |
| 100 | } | |
| 101 | if(path1==null||path1.isEmpty()) | |
| 102 | path1="/temp"; | |
| 103 | String path=req.getServletContext().getRealPath(path1); | |
| 104 | File dir=new File(path); | |
| 105 | if(!dir.exists()||!dir.isDirectory()) | |
| 106 | dir.mkdirs(); | |
| 107 | FileLoad fl=a.getBean(FileLoadImpl.class); | |
| 108 | tf=fl.uploadFile_map(path1, req, tfi, true, size); | |
| 109 | ||
| 110 | ||
| 111 | resp.setCharacterEncoding("UTF-8"); | |
| 112 | resp.setContentType("application/json; charset=utf-8"); | |
| 113 | JsonObject jo=new JsonObject(); | |
| 114 | Gson g=new Gson(); | |
| 115 | if(tf!=null) | |
| 116 | { | |
| 117 | String furl=tf.get("url")+""; | |
| 118 | furl=req.getServletContext().getRealPath(furl); | |
| 119 | log.info("furl:"+furl); | |
| 120 | ||
| 121 | if(cop!=null&&!cop.isEmpty()&&width>0&&height>0) | |
| 122 | { | |
| 123 | //检查图片像素 | |
| 124 | try { | |
| 125 | //BufferedImage bi=Sanselan.getBufferedImage(new File(furl)); | |
| 126 | BufferedImage bi=ImageIO.read(new File(furl)); | |
| 127 | int rwidth=bi.getWidth(); | |
| 128 | int rheight=bi.getHeight(); | |
| 129 | if("lt".equals(cop)) | |
| 130 | { | |
| 131 | if(width<rwidth||height<rheight) | |
| 132 | { | |
| 133 | jo.addProperty("code", 1); | |
| 134 | jo.addProperty("errmsg", "上传的图片分辨率大于特定的宽度和高度::"+width+"*"+height); | |
| 135 | resp.getWriter().write(g.toJson(jo)); | |
| 136 | return; | |
| 137 | } | |
| 138 | }else if("gt".equals(cop)) | |
| 139 | { | |
| 140 | if(width>rwidth||height>rheight) | |
| 141 | { | |
| 142 | jo.addProperty("code", 1); | |
| 143 | jo.addProperty("errmsg", "上传的图片分辨率小于特定的宽度和高度::"+width+"*"+height); | |
| 144 | resp.getWriter().write(g.toJson(jo)); | |
| 145 | return; | |
| 146 | } | |
| 147 | }else if("eq".equals(cop)) | |
| 148 | { | |
| 149 | if(width!=rwidth||height!=rheight) | |
| 150 | { | |
| 151 | jo.addProperty("code", 1); | |
| 152 | jo.addProperty("errmsg", "上传的图片分辨率不等于特定的宽度和高度::"+width+"*"+height); | |
| 153 | resp.getWriter().write(g.toJson(jo)); | |
| 154 | return; | |
| 155 | } | |
| 156 | }else{ | |
| 157 | jo.addProperty("code", 1); | |
| 158 | jo.addProperty("errmsg", "系统无法判断您要如何判断图片分辨率!!"); | |
| 159 | resp.getWriter().write(g.toJson(jo)); | |
| 160 | return; | |
| 161 | } | |
| 162 | ||
| 163 | } catch (Exception e) { | |
| 164 | e.printStackTrace(); | |
| 165 | jo.addProperty("code", 1); | |
| 166 | jo.addProperty("errmsg", "上传的图片不能正常打开，请检查!!"); | |
| 167 | resp.getWriter().write(g.toJson(jo)); | |
| 168 | return; | |
| 169 | } | |
| 170 | } | |
| 171 | resp.getWriter().write(Jacksonmethod.tojson(tf, false)); | |
| 172 | }else{ | |
| 173 | jo.addProperty("code", 1); | |
| 174 | jo.addProperty("errmsg", "你上传的图片不符合规则不能保存!"); | |
| 175 | resp.getWriter().write(g.toJson(jo)); | |
| 176 | return; | |
| 177 | } | |
| 178 | } | |
| 179 | } | |
