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错误提示： ERROR: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'generated by default as identity,         deptna

错误提示： Can not issue data manipulation statements with executeQuery() 源代码： String sql="insert into orders values(?,?,?,?,?,?,?,?)"; qr.query(sql,order.getOid(),new SimpleDateFormat("yyyy-MM-dd HH:m

public class BeanServlet extends HttpServlet {     @Override     protected void service(HttpServletRequest request, HttpServletResponse response)             throws ServletException, IOException {

错误提示 Multiple annotations found at this line:     - schema_reference.4: Failed to read schema document 'http://www.springframework.org/schema/context/spring-context.xsd', because 1) could not

struts传值失败，空指针异常，使用属性驱动