StringBuilder sb = new StringBuilder(); sb.append("INSERT INTO CLM_COUNTERPARTY (VENDOR_TYPE,VENDOR_CODE,VENDOR_NAME,GLOBAL_VENDOR,TAX_NUMBER,TAXPAYER_TYPE,"); sb.append(" ADDRESS,TEL_NUM,INTERNAL_UNIT_FLAG,FOREIGN_LE_CODE,CODE,ENABLED_FLAG)"); sb.append(" VALUES("); sb.append("'"+bean.getVendorType() +"'"+ ","+"'" + bean.getVendorCode()+"'"); sb.append("," +"'"+ bean.getVendorName()+"'" + "," +"'"+ bean.getGlobalVendor()+"'"); sb.append(","+"'" + bean.getTaxNumber() +"'"+ "," +"'"+ bean.getTaxpayerType()+"'"); sb.append(","+"'" + bean.getAddress()+"'" + "," +"'"+ bean.getTelNum()+"'"); sb.append("," +"'"+ bean.getInternalUnitFlag()+"'" + "," +"'"+ bean.getForeignLeCode()+"'"); sb.append(","+"'" + bean.getCode()+"'" + ","+"'" + bean.getEnabledFlag()+"'"); sb.append(")"); int id = this.getEntityManager().createNativeQuery(sb.toString()).executeUpdate();这段代码有什么错误

这段代码可能存在 SQL 注入的安全问题，因为它使用了字符串拼接的方式构建 SQL 语句，而没有对输入参数进行足够的验证和过滤。攻击者可以通过构造恶意字符串来篡改 SQL 语句，进而执行恶意操作。应该使用参数化查询的方式来防止 SQL 注入攻击。另外，代码中也没有对异常进行处理，可能会导致系统异常退出。建议加上异常处理的代码块，避免因为异常导致系统崩溃。