Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
504 views
in Technique[技术] by (71.8m points)

mysql - Convert String to blob java

i have a from which accept image from user. i sent this form to the next jsp page to insert data in database. i take database field format blog. i do write get parameter line, now i want to convert it to blob type. how can i do this ?

String pic=request.getParameter("pic");

i did not want to use prepare statement to insert data in database

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

You can do it by getting byte[] content from String

byte[] byteData = yourString.getBytes("UTF-8");//Better to specify encoding
Blob blobData = dbConnection.createBlob();
blobData.setBytes(1, byteData);

Moreover, you can directly store String to BLOB column.


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...