java防止sql注入
http://my.oschina.net/u/1031131/blog/410423
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Java代码 public final static String filterSQLInjection(String s) { if (s == null || "".equals(s)) { return ""; } try { s = s.trim().replaceAll("</?[s,S][c,C][r,R][i,I][p,P][t,T]>?", "");//script s = s.trim().replaceAll("[a,A][l,L][e,E][r,R][t,T]\\(", "").replace("\"", "");// alert s = s.trim().replace("\\.swf", "").replaceAll("\\.htc", ""); s = s.trim().replace("\\.php\\b", "").replaceAll("\\.asp\\b", ""); s = s.trim().replace("document\\.", "").replaceAll("[e,E][v,V][a,A][l,L]\\(", ""); s = s.trim().replaceAll("'", "").replaceAll(">", ""); s = s.trim().replaceAll("<", "").replaceAll("=", ""); s = s.trim().replaceAll(" [o,O][r,R]", ""); s = s.trim().replaceAll("etc/", "").replaceAll("cat ", ""); s = s.trim().replaceAll("/passwd ", ""); s = s.trim().replaceAll("sleep\\(", "").replaceAll("limit ", "").replaceAll("LIMIT ", ""); s = s.trim().replaceAll("[d,D][e,E][l,L][e,E][t,T][e,E] ", "");// delete s = s.trim().replaceAll("[s,S][e,E][l,L][e,E][c,C][t,T] ", "");// select; s = s.trim().replaceAll("[u,U][p,P][d,D][a,A][t,T][e,E] ", "");// update s = s.trim().replaceAll("[d,D][e,E][l,L][a,A][y,Y] ", "").replaceAll("waitfor ", ""); s = s.trim().replaceAll("print\\(", "").replaceAll("md5\\(", ""); s = s.trim().replaceAll("cookie\\(", "").replaceAll("send\\(", ""); s = s.trim().replaceAll("response\\.", "").replaceAll("write\\(", "") .replaceAll("&", ""); } catch (Exception e) { e.printStackTrace(); return ""; } return s; } |
