nodejs防止sql注入的方法:
1.使用escape()对传入参数进行编码,例如:
var userId = 1, name = ‘test’;
var query = connection.query(‘SELECT * FROM users WHERE id = ‘ + connection.escape(userId) + ‘, name = ‘ + connection.escape(name), function(err, results) {
// …
});
console.log(query.sql); // SELECT * FROM users WHERE id = 1, name = ‘test’
2.使用connection.query()的查询参数占位符,例如:
var userId = 1, name = ‘test’;
var query = connection.query(‘SELECT * FROM users WHERE id = ?, name = ?’, [userId, name], function(err, results) {
// …
});
console.log(query.sql); // SELECT * FROM users WHERE id = 1, name = ‘test’
3.使用escapeId()编码SQL查询标识符,例如:
sorter = ‘date’;
var sql = ‘SELECT * FROM posts ORDER BY ‘ + connection.escapeId(sorter);
connection.query(sql, function(err, results) {
// …
});
4.使用mysql.format()转义参数,例如:
userId = 1;
var sql = “SELECT * FROM ?? WHERE ?? = ?”;
var inserts = [‘users’, ‘id’, userId];
sql = mysql.format(sql, inserts); // SELECT * FROM users WHERE id = 1
了解更多nodejs如何防止sql注入相关的解答,就上多想派(www.duoxiangpai.com)。
本文章由用户飞秒生活分享,版权归原作者,如侵犯,请联系(点这里联系),经核实,我们将第一时间删除。如若转载,请注明出处:https://www.duoxiangpai.com/65144.html