| 发表于：2007-09-23 00:56:52 楼主 |
struts-config.xml
<?xml version= "1.0 " encoding= "utf-8 "?>
<!doctype struts-config public "-//apache software foundation//dtd struts configuration 1.2//en " "http://struts.apache.org/dtds/struts-config_1_2.dtd ">
<struts-config>
<data-sources />
<form-beans>
<form-bean name= "loginform " type= "chojo.struts.form.loginform " />
</form-beans>
<global-exceptions />
<global-forwards >
<forword name= "toerrorpage " path= "/common/messagepage.jsp "/>
</global-forwards >
<action-mappings>
<action path= "/login "
type= "chojo.struts.action.loginaction "
name= "loginform "
scope= "request "
validate= "true "
input= "/index.jsp ">
<forword name= "touserpage " path= "/admin/userinfo.jsp "/>
</action>
</action-mappings>
<message-resources parameter= "chojo.applicationresources_zh " />
</struts-config>
index.jsp
<!doctype html public "-//w3c//dtd html 4.0 transitional//en ">
<head> <title> chojoinfosystem </title> </head>
<%@ include file= "/common/taglibs.jsp "%> <head>
<html:html>
<meta http-equiv=content-type content= "text/html; charset=shift_jis "> </head>
<body>
<html:form action = "login.do " focus = "adminid " method = "post ">
<table align= "center ">
<tr> <td> username </td> <td> <html:text property= "adminid " size= "10 "/> </td> </tr>
<tr> <td> password </td> <td> <html:password property= "password " size= "11 "/> </td> </tr>
</table>
<table align= "center " valign= "top " height= "40 " cellspacing= "0 " cellpadding= "0 " border= "0 ">
<tr>
<td> <html:submit property= "submit "> login </html:submit> </td>
<td> <html:reset> reset </html:reset> </td>
</tr>
</table>
</html:form>
</body>
</html:html>
loginaction.java
public class loginaction extends action {
public actionforward ＥＸＥＣute（actionmapping mapping, actionform actionform,
httpservletrequest request, httpservletresponse response) throws exception {
string pageforward = "toerrorpage ";
httpsession session = request.getsession（true);
actionmessages errors = new actionmessages（);
loginform loginform = （loginform)actionform;
string name = loginform.getadminid（);
string pwd = loginform.getpassword（);
connection conn = dbconnection.getconnection（);
system.out.println（ "name = "+name+ " , pwd = "+pwd);
if（usercheck（conn,name,pwd)){
pageforward = "touserpage ";
}else{
errors.add（actionmessages.global_message,new actionmessage（ "error.admin.accessdeny "));
if（!errors.isempty（)){
saveerrors（request,errors);
}
}
system.out.println（pageforward);
return mapping.findforward（pageforward);
}
private boolean usercheck（connection conn, string name, string pwd) {
connection conn = conn;
preparedstatement stmt = null;
resultset rs = null;
string sql = "select * from admin where adminid = ? and password = ? ";
try {
stmt = conn.preparestatement（sql);
stmt.setstring（1, name);
stmt.setstring（2, pwd);
rs = stmt.ＥＸＥＣutequery（);
if（rs.next（)){
return true;
}
} catch （sqlexception e) {
e.printstacktrace（);
}finally{
if（rs != null){
try {
rs.close（);
} catch （sqlexception e) {
e.printstacktrace（);
}
}
if（stmt != null){
try {
stmt.close（);
} catch （sqlexception e) {
e.printstacktrace（);
}
}
}
return false;
}
}
问题:return mapping.findforward（pageforward); 返回的是null
pageforward = "touserpage ";已经正常执行了,为什么点login后,页面不跳转到userinfo.jsp
<%@ page contenttype= "text/html;charset=gb2312 " language= "java "%>
<%@ include file= "/common/taglibs.jsp "%> <head>
<title>
success
</title>
</head>
<html:html>
<body>
connection.............................
</body>
</html:html>
而是显示空白页面呢?求解...... |
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