\b(and|exec|insert|select|drop|grant|alter|delete|update|count|chr|mid|master|truncate|char|declare|or)\b|(\*|;|\+|'|%)

/**
 * 是否含有sql注入，返回true表示含有
 * @param obj
 * @return
 */
public static boolean containsSqlInjection(Object obj){
  Pattern pattern= Pattern.compile("\\b(and|exec|insert|select|drop|grant|alter|delete|update|count|chr|mid|master|truncate|char|declare|or)\\b|(\\*|;|\\+|'|%)");
  Matcher matcher=pattern.matcher(obj.toString());
  return matcher.find();
}
 

@Test
public void testContainsSqlInjection(){
  boolean b1=SqlUtils.containsSqlInjection("and nm=1");
  assertEquals("b1不为true",true,b1);
  boolean b2=SqlUtils.containsSqlInjection("niamsh delete from ");
  assertEquals("b2不为true",true,b2);
  boolean b3=SqlUtils.containsSqlInjection("stand");
  assertEquals("b3不为false",false,b3);
  boolean b4=SqlUtils.containsSqlInjection("and");
  assertEquals("b4不为true",true,b4);
  boolean b5=SqlUtils.containsSqlInjection("niasdm%asjdj");
  assertEquals("b5不为true",true,b5);
}