String filePath = "e:\\cc.jpg";
File inFile = new File(filePath);
FileInputStream fis;
fis = new FileInputStream(inFile);
byte [] bytes=new byte[fis.available()];
我现在将图片读到byte [] bytes数组中存到oracle的blob字段中。怎么将byte []数组转化成blob类型啊?从数据库取出blob字段类型图片怎么显示在页面或生成图片啊?
前两天用了一下IBatis+Spring对BLOB操作,也还算方便~~
conn.setAutoCommit(false);
stmt.executeUpdate("insert into document(cavern_no,audio_id,TITLE ,ARCHITECTURE_ATTR_VAL ,PAINTED_SCULPTURE_ATTR_VAL,FRESCO_ATTR_VAL,FOKAN_ATTR_VAL,BLOBFILE )values("+"'285',2,'"+name+"','1111','111101','10101','10001',empty_blob())");
rs = stmt.executeQuery(
"select BlobFile from document where cavern_no='285' and document_id=1");if (rs.next()) {
Blob blob = rs.getBlob("BlobFile");
out = ( (oracle.sql.BLOB) blob).getBinaryOutputStream();
bufferSize = ( (oracle.sql.BLOB) blob).getBufferSize();
in = new BufferedInputStream(new FileInputStream(pathname), bufferSize);byte[] b = new byte[bufferSize];
int count = in.read(b, 0, bufferSize);
while (count != -1) {
out.write(b, 0, count);
amount += count;
System.out.println("处理了" + amount + "字节.");
count = in.read(b, 0, bufferSize);System.out.println("处理了" + amount + "字节,成功.");}out.close();
out = null;
in.close();
in = null;
conn.commit();}