How to prevent SQL injection
This article mainly introduces "how to prevent SQL injection". In daily operation, I believe many people have doubts about how to prevent SQL injection. The editor consulted all kinds of data and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the doubts of "how to prevent SQL injection"! Next, please follow the editor to study!
/ * * replace all special characters to prevent SQL injection * /
Private Object transactSQLInjection (Object obj) {
If (obj instanceof String) {
Return String.valueOf (obj) .replaceAll ("([';]) + | (- -) +", ")
} else {
Return obj
}
}
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