inputscore.jsp

精通从JavaScript到Jsp范例程序设计

<%@ page language="java" %>
<% 
    String errorMessage="";
    String[] txtCourseName = 
      (String[])request.getParameterValues( "txtCourseName" );
  
    int courseNum = txtCourseName.length;
    
    for( int num=0; num<courseNum; num++ )
      if( txtCourseName[num].trim().length()==0 )
        errorMessage += "