java下载excel文件

2024年4月13日发(作者：)

java下载excel文件

原代码剪切图片：

修改后剪切图片：

源码：

public void downloadTaskModel()throws Exception{

HttpServletResponse

text().getResponse();

response =

HttpServletRequest request = text().getRequest();

String path = lPath("/");

path = new String(es("iso-8859-1"),"GBK");

String matches = "[A-Za-z]:[^:?"><*]*";

if(!s(matches)){

throw new Exception("文件路径存在非法字符！");

}

path = eAll("", "/");

File file = new File(path+"/templateFile/");

if(!()||!()||ctory()){

throw new Exception("下载的文件路径或文件不存在！");

}

//由于限制了导入模板的类型，所以在导出模板时必须限制。

if(!e().matches(".*.(?i)(xls)$")){

throw new Exception("当前模板类型有误，只能导出“.xls”格式的excel模板！");

}

tentType("application/x-msdownload");

tentLength((int)());

String taskNme = eStr(new Date(), "yyyyMMddHHmmss");

der("Content-Disposition",

"attachment;filename="+("模板"+taskNme+".xls","UTF-8"));

FileInputStream fis = new FileInputStream(file);

BufferedInputStream buff = new BufferedInputStream(fis);

byte b[] = new byte[1024];

long k = 0 ;

OutputStream myout = putStream();

while(k<()){

int j = (b,0,1024);

k += j ;

(b,0,j);

}

();

();

}