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分享oracle.sql.BLOB bSignatureData = (oracle.sql.BLOB)rs.getBlob("Signature");
byte[] Signbytes;
int i = 0;
BlobLength=bSignatureData.length(); //获取BLOB长度
if (bSignatureData == null || BlobLength==0){
Signature = "";
}else{
Signature = new String(bSignatureData.getBytes(1L,new Long(bSignatureData.length()).intValue()));
}