Oracle database hexadecimal String Blob-CodePudding

RT, the library is the hexadecimal value of the type of BLOB, object defined in the type String is received, the bosses excuse me, how to turn?

CodePudding user response:

First to determine whether a blob data is empty, and then USES the input stream to read data

 
The String content=null; 
Try {

If (image!=null) {
InputStream is=image. GetBinaryStream (); 
Byte [] b=new byte [is available ()]; 
Is. Read (b, 0, b.l ength); 
The content=new String (b); 
} 
System. The out. Println (content); 
} the catch (IOException e) {
e.printStackTrace(); 
}

CodePudding user response:

reference 1st floor Wazy_CSDN response:

first of all determine whether the blob data is empty, and then USES the input stream to read out data

 
The String content=null; 
Try {

If (image!=null) {
InputStream is=image. GetBinaryStream (); 
Byte [] b=new byte [is available ()]; 
Is. Read (b, 0, b.l ength); 
The content=new String (b); 
} 
System. The out. Println (content); 
} the catch (IOException e) {
e.printStackTrace(); 
}

Modify the project in this field is String type

CodePudding user response:

Byte array, and then turn the string characters

CodePudding user response:

Do you want to move to the high-level language area for you?

Is a Java or c #