java高拍仪前后台处理案例 - 浪潮集体大比武
一.前台页面:
<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title>捷易拍控件测试程序</title><script type="text/javascript"> //启动主 function Start1_onclick() { captrue.bStartPlay(); } //启动副 function Start2_onclick() { captrue.bStopPlay(); captrue.bStartPlay2(0); } //停止 function Stop_onclick() { var str = captrue.bStopPlay(); } //保存JPG function SaveJPG_onclick() { captrue.vSetRotate(0); captrue.bSaveJPG("D:\\", "JPG"); } //保存BMP function SaveBMP_onclick(){ captrue.vSetRotate(0); captrue.bSaveBMP("D:\\", "BMP"); } //保存PNG function SavePNG_onclick(){ captrue.vSetRotate(0); captrue.bSavePNG("D:\\", "PNG"); } //保存TIF function SaveTIF_onclick() { captrue.vSetRotate(270); captrue.vSetDPI(200, 200); captrue.vSetTIFPara(0.3, 0.59, 0.11, 0.2); var str = captrue.bSaveTIFEx("D:\\", "TIF", 0); } //保存TifJPG function SaveTifJPG_onclick() { captrue.vSetRotate(180); var str = captrue.bSaveTifJPG("D:\\", "tifJPG"); } //保存灰度图 function SaveGray_onclick(){ captrue.vSetRotate(0); captrue.bSaveGray("D:\\", "Gray"); } function SaveMulTIF_onclick() { captrue.vSetRotate(0); captrue.vSetDPI(200, 200); var str = captrue.bSaveTIFEx("D:\\", "MulTIF", 1); } //参数设置 function ParaSet_onclick() { captrue.displayVideoPara(); } //PIN设置 function ParaSetPIN_onclick() { captrue.vSetCapturePin(); captrue.bStartPlay(); } //去黑边 function CutHB_onclick(el) { if(el.checked){captrue.vSetDelHBFlag(1); } else {captrue.vSetDelHBFlag(0); } } //自动矫正 function Skew_onclick(el) { if(el.checked){captrue.vSetSkewFlag(1); } else {captrue.vSetSkewFlag(0); } } //设置分辨率 function selectResolution(el){ captrue.vSetResolution(el.value); } //设置图片压缩率 function setImageQuality(el){ if(el.value >= 1 && el.value <=100){captrue.vSetImageQuality(el.value); } else {alert("图片压缩率大小必须在1-100之间");el.value = 70; }} //创建目录 function CreateDir_onclick(){ var dir = "d:\\test"; if(captrue.bCreateDir(dir)){alert("创建目录"+dir+"成功"); } } function DispDir_onclick(){ captrue.bDispPath("d:\\"); } //删除目录 function DeleteDir_onclick() { var dir = "d:\\test"; if(captrue.bDeleteFile(dir)){alert("删除目录"+dir+"成功"); } } //删除JPG function DeleteJPG_onclick() { var file = "D:\\JPG.jpg"; if(captrue.bDeleteFile(file)){alert("删除文件"+file+"成功"); } } function StartPDF_onclick() { var str = captrue.bSavePDFStart("D:\\", "pdffile"); } function ColorPDF_onclick() { var str = captrue.bSavePDFColorPage(); } function BWPDF_onclick() { var str = captrue.bSavePDFBWPage(); } function EndPDF_onclick() { var str = captrue.bSavePDFEnd(); } function Base64_onclick() { var str = captrue.sGetBase64(); document.getElementById("S1").value = str; } function upload_onclick(){ var fileName = "d:\\JPG测试.JPG"; var re = captrue.bUpLoadImageEx(fileName,"localhost",8080,"/ServletUploadDemo/UploadServlet",true,true); alert(re); }</script></head><body> <div style="text-align: center;"> <object classid="clsid:454C18E2-8B7D-43C6-8C17-B1825B49D7DE"id="captrue" width="400" height="300"></object> </div> <div align="center" style="margin-top: 5px;"> <input type="button" value="启动主" onclick="Start1_onclick()"/> <input type="button" value="启动副" onclick="Start2_onclick()"/> <input type="button" value="停止" onclick="Stop_onclick()"/> <input type="button" value="JPG" onclick="SaveJPG_onclick()"/> <input type="button" value="BMP" onclick="SaveBMP_onclick()"/> <input type="button" value="PNG" onclick="SavePNG_onclick()"/> <input type="button" value="单TIF" onclick="SaveTIF_onclick()"/> <input type="button" value="多TIF" onclick="SaveMulTIF_onclick()"/> <input type="button" value="TIFJPG" onclick="SaveTifJPG_onclick()"/> <input type="button" value="灰度图" onclick="SaveGray_onclick()"/> <input type="button" value="Base64" onclick="Base64_onclick()"/> <br/> <br/> <input type="button" value="参数设置" onclick="ParaSet_onclick()"/> <input type="button" value="PIN设置" onclick="ParaSetPIN_onclick()"/> <input type="checkbox" id="CutHB" onclick="CutHB_onclick(this)"/><label for="CutHB">设置切黑边</label> <input type="checkbox" id="Skew" onclick="Skew_onclick(this)"/><label for="Skew">自动矫正</label> <label for="resolutionType">分辨率:</label> <select id="resolutionType" onchange="selectResolution(this);"><option value="0">设备默认</option><option value="1">320*240</option><option value="2">640*480</option><option value="3">800*600</option><option value="4">1024*768</option><option value="5">1600*1200</option><option value="6">2048*1536</option><option value="7">2592*1944</option> </select> <label for="imageQuality">图片压缩率(1-100):</label> <input type="text" id="imageQuality" size="3" value="70" maxlength="3" onblur="setImageQuality(this)"/> <br/> <br/> <input type="button" value="创建目录" onclick="CreateDir_onclick()"/> <input type="button" value="显示目录" onclick="DispDir_onclick()"/> <input type="button" value="删除目录" onclick="DeleteDir_onclick()"/> <input type="button" value="删除JPG" onclick="DeleteJPG_onclick()"/> <input type="button" value="开始拍PDF" onclick="StartPDF_onclick()"/> <input type="button" value="增加PDF彩页" onclick="ColorPDF_onclick()"/> <input type="button" value="增加PDF黑白页" onclick="BWPDF_onclick()"/> <input type="button" value="结束拍PDF" onclick="EndPDF_onclick()"/> <input type="button" value="上传" onclick="upload_onclick()"/> </div> <div align="center" style="margin-top: 5px;"> <textarea rows="7" id="S1" cols="82"></textarea> </div></body></html>二.后台页面:(注意需要的jar包,commons-fileupload-1.3.jar,commons-io-2.4.jar)
package com.jaeyi;import java.io.File;import java.io.IOException;import java.io.PrintWriter;import java.util.Iterator;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.fileupload.FileItem;import org.apache.commons.fileupload.FileUploadException;import org.apache.commons.fileupload.disk.DiskFileItemFactory;import org.apache.commons.fileupload.servlet.ServletFileUpload;public class UploadServlet extends HttpServlet { private static final long serialVersionUID = 1L; private String tempPath = "d:\\upload\\temp";//临时目录 private String path = "d:\\upload";//上传目录 public UploadServlet(){ super(); } public void destroy() { super.destroy(); } public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doGet(request, response); } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request *the request send by the client to the server * @param response *the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException { response.setCharacterEncoding("GBK"); request.setCharacterEncoding("GBK"); DiskFileItemFactory fac = new DiskFileItemFactory(); fac.setSizeThreshold(1024); fac.setRepository(new File(tempPath)); ServletFileUpload upload = new ServletFileUpload(fac); upload.setFileSizeMax(1024*1024*5); try {List<FileItem> fileList = upload.parseRequest(request);Iterator<FileItem> iter = fileList.iterator();while(iter.hasNext()){ FileItem fileItem = (FileItem)iter.next(); if(!fileItem.isFormField()){ String name = fileItem.getName(); String fileSize = new Long(fileItem.getSize()).toString(); if(name == null || name.equals("") || fileSize.equals("0"))continue; name = name.substring(name.lastIndexOf("\\")+1); File saveFile = new File(new File(path),name); fileItem.write(saveFile); }} } catch (Exception e) {e.printStackTrace();throw new ServletException(e); } } public void init() throws ServletException { if(!new File(tempPath).exists()){new File(tempPath).mkdirs(); } if(!new File(path).exists()){new File(path).mkdirs(); } }}