ntGBDP2002_Define.jsp
---------------------------------------------------------------------
<%
/*
* GBDP2002新版, 注意使用的是cint.ntDB !!! ，支持INT
* 注意：本JSP被其他页面调用，不能产生额外的空格和回车
*
*/
file://全局变量定义
String globalTableName ;
String parentKey ="" ;
String parentValue ="" ;
String dbName = "mhoa";
ntDB ntP = new ntDB();
ntDB nt = new ntDB();
String sql ;
String sql_trans = "" ; file://用来插入后面的保存到数据库的sql语句中,使其中在事务之中间
String sql_TRANS_ERROR = ntDB.sql_TRANS_ERROR ;
boolean isPost = false ;
{
isPost = request.getMethod().equals("POST");
}
boolean isEdit = false ;
boolean isAdd = false ;
boolean isDelete = false ;
boolean isUpload = false ;
boolean uploaded = false ; file://表示已经上传完毕
boolean tableCreated = false ; file://表示数据库表已经建立
{
String contentType = request.getContentType();
if( contentType != null
&&
contentType.indexOf("multipart/form-data") != -1
)
isUpload = true;
}
boolean hasId = false;
boolean hasMasterId = false;
int maxReturnRows = 10000 ;
int id = 0 ; // 表示主记录id号，一般为1,2,3......，必须在ntGBDPUpload.jsp
// 中获取，因为当upload的情况无法从request中获取参数
int masterId = 0 ; // 同上
file://绝对路径
String realPath ; // like 'c:\a\'
{
realPath = getServletConfig().getServletContext().getRealPath("");
}
file://上传目录
String uploadDir;
{
uploadDir = realPath + "upload";
}
file://存放所有request的信息,使用它的原因是后面如果有upload的时候，
// request将没有任何参数和值，必须从upload中重新找到
java.util.Hashtable requestHt;
{
requestHt = new java.util.Hashtable();
Enumeration e = request.getParameterNames();
while( e.hasMoreElements() )
{
String s = (String)e.nextElement();
String sValue = request.getParameter(s);
requestHt.put( s , sValue );
}
}
file://upload
java.io.File mydir = null ;
SmartUpload mySmartUpload = null ;
if( isPost && isUpload )
{
mySmartUpload=new SmartUpload();
mySmartUpload.initialize(pageContext);//初始化
mySmartUpload.upload();//上传分析
Request smartRes = mySmartUpload.getRequest();
{
file://将request参数传入requestHt全局变量
Enumeration e = smartRes.getParameterNames();
while( e.hasMoreElements() )
{
String s = ((String)e.nextElement()).trim();
String sValue = (smartRes.getParameter(s)).trim();
requestHt.put( s , sValue );
}
}
}
%>
<%
isEdit = isPost && requestHt.get("edit")!=null ;
isAdd = isPost && requestHt.get("add")!=null ;
isDelete = requestHt.get("delete")!=null ;
// 这里当没有命令发出的时候，所有操作跳过
hasId = requestHt.get("id")!=null ;
id = 0 ;
if( requestHt.get("id")!=null )
id = Integer.parseInt( (String)requestHt.get("id") );
hasMasterId = requestHt.get("masterId")!=null ;
masterId = 0 ;
if( requestHt.get("masterId")!=null )
masterId = Integer.parseInt( (String)requestHt.get("masterId") );
%>
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