jspsmartupload简单用法以及将路径存入数据库

upload2.jsp

<form action="upload3.jsp" method="post" enctype="multipart/form-data">

<table>

<tr>

<td>

上传文件:<input type="file" name="file" size="20"></td></tr>

<tr> <td>

上传图片:<input type="file" name="file" size="20"></td></tr>

<tr>

<td>

<input type="submit" value="上传">

</td>

</tr>

</table>

</form>

upload3.jsp

try{

String str_path = pageContext.getServletContext().getRealPath("/")+"WebRoot//temp//";

mySmartUpload.initialize(pageContext);

mySmartUpload.setMaxFileSize(1024*1024*1024);

//开始上传

mySmartUpload.upload();

File file=mySmartUpload.getFiles().getFile(0);

File file2=mySmartUpload.getFiles().getFile(1);

System.out.println("size1 == "+file.getSize());

System.out.println("size2 == "+file2.getSize());

String fn=file.getFieldName();

com.smsgov2.dy.sql.MyDataBaseManager_2 mdbm = new com.smsgov2.dy.sql.MyDataBaseManager_2();

mdbm.open();

double size = (double)file.getSize();

System.out.println("file1 size"+file.getSize());

System.out.println("file2 size"+file2.getSize());

String str = "";

if(size < 1024*1024){

str = Math.floor(size/1024*10)/10 + "KB";

}else{

str =   Math.floor(size/1024/1024*10)/10 + "MB";

}

String sql = "update down_table set file_size = '"+str+"' ,";

System.out.println("size =   ==============="+str);

String date = new java.text.SimpleDateFormat("HH-mm-ss").format(new java.util.Date());

//取得文件的扩展名

if(!file.isMissing()){

String ext=file.getFileExt();

String filepath = str_path+date+file.getFileName();

//保存的绝对路径

if(filepath!=null){

if(filepath.indexOf("////")==-1){

String strtemp ="";

for(int i=0; i<filepath.length();i++){

if(filepath.charAt(i)=='//'){

strtemp+="////";

}else{

strtemp+=filepath.charAt(i);

}

}

filepath = strtemp;

}}

file.saveAs(filepath);

System.out.println(filepath);

sql += " down_url = '"+filepath+"', down_name = '"+date+file.getFileName()+"' ,";

}

if(!file2.isMissing()){

String ext=file2.getFileExt();

//保存的绝对路径

String filepath = str_path+date+file2.getFileName();

if(filepath!=null){

if(filepath.indexOf("////")==-1){

String strtemp ="";

for(int i=0; i<filepath.length();i++){

if(filepath.charAt(i)=='//'){

strtemp+="////";

}else{

strtemp+=filepath.charAt(i);

}

}

filepath = strtemp;

}}

file2.saveAs(filepath);

sql += " pic_url = '"+filepath+"' ,pic_name = '"+date+file2.getFileName()+"'";

}

sql += " where update_t = '" + session.getAttribute("date").toString()+"'";

System.out.println(sql);

mdbm.executeUpdate(sql);

mdbm.close();

out.println("<script>alert('上传成功');</script>");