//xml
Document document=DocumentHelper.createDocument();
Element root=document.addElement("root"); //。。。。。省略document的过程。。。。。 //下载到指定目录
OutputFormat format=OutputFormat.createPrettyPrint();
format.setEncoding("UTF-8");
XMLWriter writer=new XMLWriter(new FileOutputStream(new File("D://dzoa.xml")),format);
writer.write(document);
writer.close(); //下载到客户端
DownloadTool.doReady(response, "application/octet-stream", 0, "dzoa.xml");
XMLWriter writer=new XMLWriter(response.getOutputStream(), OutputFormat.createPrettyPrint());
writer.write(document);
writer.close(); //相关方法代码
/**
* @param mimeType 文件的mime-type，如为null或空字符串，就取multipart/form-data
* @param filelen 文件长度，大于0表示真实长度，0或负值表示unknown
* @param fileName 文件名称
* @param inline 可选项，是inline还是attachment，默认false
*/
public static void doReady(HttpServletResponse response, String mimeType, long filelen, String fileName, boolean... inline) {
if (mimeType == null || mimeType.isEmpty()) mimeType = "multipart/form-data";
fileName = rawEncode(fileName); // RFC 3986 response.setCharacterEncoding("UTF-8");
response.setContentType(mimeType);
if (filelen > 0) response.setHeader("Content-Length", String.valueOf(filelen)); // firefox: filename*=utf-8''
// IE or chrome: filename= or filename*=utf-8''
// Xunlei: filename= or filename*=utf-8''
response.setHeader("Content-Disposition", ((inline.length > 0 && inline[0]) ? "inline" : "attachment") + "; filename=\"" + fileName + "\"" + "; filename*=utf-8''" + fileName);
} ------------------------------------一般情况的下载附件可调用下列方法-------------------------
/**
* @param mimeType 文件的mime-type，如为null或空字符串，就取multipart/form-data
* @param data 数据
* @param fileName 文件名称
* @param inline 可选项，是inline还是attachment，默认false
*/
public static void download(HttpServletResponse response, String mimeType, byte[] data, String fileName, boolean... inline) {
response.reset();
doReady(response, mimeType, (long) data.length, fileName, inline); OutputStream os = null;
try {
os = response.getOutputStream();
os.write(data);
os.flush();
} catch (Exception e) {
e.printStackTrace();
} finally {
close(os);
}
}
-----------------------------------如果客户端还是没有出来附件下载，检查一下代码---------------------------------------
//数据导出
function gwExport(){
top.$.fn._confirm("确认要导出数据吗？", function(i){
if(1 == i){
var cVal = "";
var cValStr=[];
$("#myTable td input[name=fileCheck]").each(function(){
if(this.checked){
cValStr.push($(this).val());
}
});
cVal=cValStr.join(",");
if(cVal==""){
top.$.fn._alert("请选择需要导出的公文。");
return;
} //alert(cVal);
location.href = "${ctx}/oa/myflow/procinst/gwExport?" + $.param({"pInsIds": cVal});
/* $.post("${ctx}/oa/myflow/procinst/gwExport", {"pInsIds": cVal}, function(data){
top.$.fn._alert(data.info);
if(data.state==1){
// location.reload();
}
}); */
}
});
}