//定义sql 这是由用户动态输入 String s = "ssyxz = '101' and ( CS = '1' and SZ = 0) and ZW <= 12 and CL >= 1 and CXZK < 88"; RuleParser parser = new RuleParser(); try { //检查sql语法是否存在错误 parser.analyze(s); // 获取sql中的所有变量 List < String > variables =...