var url = "one/readontheweb.jsp?unid="+unid;
window.location = encodeURI(url);
功能：在线预览
String htmlUrl="";
try{
String unid = request.getParameter("unid");
AppFile appFile = new AppFileManager(JNDI).doFindBeanByKey(unid);
appFile = null == appFile ? new AppFile() : appFile;
htmlUrl= AHSZFileToHtmlTools.getUrlByFile(appFile);
}catch(Exception e){
e.printStackTrace();
}
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>首页</title>
<style type="text/css">
.boxContent{height: 100%;width:auto;min-width:600px;_width:expression(documentElement.clientWidth >1000? documentElement.clientWidth:1000);}
#MainWrap{padding: 10px;text-align: center;}
</style>
<script type="text/javascript" src="${corejs}/jquery.js"></script>
<script type="text/javascript">
function reinitIframe(){
var iframe = document.getElementById("mainFrm");
try{
var bHeight = iframe.contentWindow.document.body.scrollHeight;
var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
var height = Math.min(bHeight, dHeight);
iframe.height = height;
}catch (ex){}
}
//window.setInterval("reinitIframe()", 500);
</script>
</head>
<body>
<div class="boxContent">
<div id="MainWrap" style="height:2100px;">
<iframe id="mainFrm" src="${path }<%=htmlUrl %>"
scrolling="no" marginheight="0" marginwidth="0" frameborder="0"
width="100%" height="100%" name="mainFrm" onload="this.height=100%"
style="background-color:transparent">
</iframe>
</div>
</div>
</body>
</html>
<script type="text/javascript">
/**$(function(){
//reinitIframe();
});*/
</script>
public class AHSZFileToHtmlTools {
public static final int WORD_HTML = 8;
public static final int EXCEL_HTML = 44;
public static String getUrlByFile(AppFile appFile) {
String fileExt = appFile.getFile_ext();
String defaultUrl = "other.jsp?unid=" + appFile.getFile_unid();
if ("doc".equalsIgnoreCase(fileExt)
|| "docx".equalsIgnoreCase(fileExt)
|| "xls".equalsIgnoreCase(fileExt)
|| "xlsx".equalsIgnoreCase(fileExt)) {
StringBuffer htmlPath = new StringBuffer();
htmlPath.append(getWebAppAddress()).append("was/upload/generate/");
if (!new File(htmlPath.toString()).exists()) {
FileUtil.mkdirs(htmlPath.toString());
}
htmlPath.append(appFile.getFile_unid()).append(".html");
if (!new File(htmlPath.toString()).exists()) {
String srcPath = getWebAppAddress() + appFile.getFile_path();
srcPath = srcPath.replace("//", "/");
srcPath = srcPath.replaceAll(" ", "%20");
byte2File(BlobUtil.blobToBytes(appFile.getFile_data()), srcPath);
try {
if ("doc".equalsIgnoreCase(fileExt)
|| "docx".equalsIgnoreCase(fileExt)) {
wordToHtml(srcPath, htmlPath.toString());
} else {
excelToHtml(srcPath, htmlPath.toString());
}
//new AppFileManager(GlobalParameter.APP_WAS).doUpdate(appFile);
} catch (Exception e) {
e.printStackTrace();
return defaultUrl;
}
}
return "/was/upload/generate/" + appFile.getFile_unid() + ".html";
}
return defaultUrl;
}
/**
* 文档转换函数
*
* @param docfile
* word文档的绝对路径加文件名(包含扩展名)
* @param htmlfile
* 转换后的html文件绝对路径和文件名(不含扩展名)
* @throws Exception
*/
public static void wordToHtml(String docfile, String htmlfile) throws Exception {
// 初始化com的线程
ComThread.InitSTA();
ActiveXComponent app = new ActiveXComponent("Word.Application"); // 启动word
try {
app.setProperty("Visible", new Variant(false));
// 设置word不可见
Dispatch docs = app.getProperty("Documents").toDispatch();
Dispatch doc = Dispatch.invoke(
docs,
"Open",
Dispatch.Method,
new Object[] { docfile, new Variant(false),
new Variant(true) }, new int[1]).toDispatch();
// 打开word文件
Dispatch.invoke(doc, "SaveAs", Dispatch.Method, new Object[] {
htmlfile, new Variant(WORD_HTML) }, new int[1]);
// 作为html格式保存到临时文件
Variant f = new Variant(false);
Dispatch.call(doc, "Close", f);
} catch (Exception e) {
throw e;
} finally {
app.invoke("Quit", new Variant[] {});
// 释放在程序线程中引用的其它com，比如Adobe PDFDistiller
ComThread.Release();
}
}
/**
* EXCEL转HTML
*
* @param xlsfile
* EXCEL文件全路径
* @param htmlfile
* 转换后HTML存放路径
* @throws Exception
*/
public static void excelToHtml(String excelfile, String htmlfile) throws Exception {
// 初始化com的线程
ComThread.InitSTA();
// 启动excel
ActiveXComponent app = new ActiveXComponent("Excel.Application");
try {
// 设置excel不可见
app.setProperty("Visible", new Variant(false));
Dispatch excels = app.getProperty("Workbooks").toDispatch();
// 打开excel文件
Dispatch excel = Dispatch.invoke(
excels,
"Open",
Dispatch.Method,
new Object[] { excelfile, new Variant(false),
new Variant(true) }, new int[1]).toDispatch();
// 作为html格式保存到临时文件
Dispatch.invoke(excel, "SaveAs", Dispatch.Method, new Object[] {
htmlfile, new Variant(EXCEL_HTML) }, new int[1]);
Variant f = new Variant(false);
Dispatch.call(excel, "Close", f);
} catch (Exception e) {
throw e;
} finally {
app.invoke("Quit", new Variant[] {});
// 释放在程序线程中引用的其它com，比如Adobe PDFDistiller
ComThread.Release();
}
}
/**
* 获取系统的应用路径(路径在应用下)
*
* @return
*/
private static String getWebAppAddress() {
Class theClass = AHSZFileToHtmlTools.class;
java.net.URL u = theClass.getResource("");
// str会得到这个函数所在类的路径
String str = u.toString();
// 截去一些前面6个无用的字符
str = str.substring(6, str.length());
// 将%20换成空格（如果文件夹的名称带有空格的话，会在取得的字符串上变成%20）
str = str.replaceAll("%20", " ");
// 查找“WEB-INF”在该字符串的位置
int num = str.indexOf("WEB-INF");
// 截取即可
str = str.substring(0, num);
if (System.getProperty("os.name").toUpperCase().indexOf("LINUX") >= 0) {
str = "/" + str;
}
return str;
}
public static void byte2File(byte[] buf, String filePath) {
BufferedOutputStream bos = null;
FileOutputStream fos = null;
File file = null;
try {
File dir = new File(filePath);
if (!dir.exists() && dir.isDirectory()) {
dir.mkdirs();
}
file = new File(filePath);
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos);
bos.write(buf);
} catch (Exception e) {
e.printStackTrace();
} finally {
if (bos != null) {
try {
bos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}