编译manageServlet.java出现的问题,manageRL.java这个类是我新加的,以前存在的manageQX.java在没有抱错,很怪,忘高手们指点。C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:55: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:55: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:61: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:61: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:67: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:67: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
6 errorsTool completed with exit code 1
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:55: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:61: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:61: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:67: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
C:\jakarta-tomcat-5\webapps\nj_broadcasting_group\WEB-INF\classes\ManageSystem\manageServlet.java:67: cannot resolve symbol
symbol : class manageRL
location: class ManageSystem.manageServlet
manageRL managerl = new manageRL();
^
6 errorsTool completed with exit code 1
解决方案 »
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一般情况下,包package都用小写 如:com.mypackage.util
类Class开头一般用大写,如ManageServlet。
这样我们在看代码的时候都比较容易理解
就import这个包的路径就可以了。
比如你这个类放在classes\haha\hehe的目录下,
那么就
import haha.hehe.manageQX;
或者
import haha.hehe.*;
注意 是java文件。如果不是的话。
manageServlet.class //在manageServlet.java的目录下的 ManageSystem包中
manageRL.class //在manageRL.java的目录下的 ManageSystem包中
C:\Tomcat\webapps\ROOT\WEB-INF\classes>javac -d . manageRL.java
C:\Tomcat\webapps\ROOT\WEB-INF\classes>javac -d . manageQX.java
C:\Tomcat\webapps\ROOT\WEB-INF\classes>javac -d . manageServlet.java
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
import javax.sql.*;
import database.*;/*
删除权限与更新权限尚未实现事务功能,待完善
*/public class manageQX
{
//添加权限
protected boolean addQX(HttpServletRequest request,HttpServletResponse response)
{
try
{ }catch(Exception e)
{
return false;
}
} //添加用户后加权限
protected boolean addRight(HttpServletRequest request,HttpServletResponse response)
{
try }catch(Exception e)
{
return false;
}
} //删除权限
protected boolean deleteQX(HttpServletRequest request,HttpServletResponse response)
{
try
{ }catch(Exception e)
{
return false;
}
} //更新权限
protected boolean updateQX(HttpServletRequest request,HttpServletResponse response)
{
try
{
}catch(Exception e)
{
System.out.println(e.getMessage());
return false;
}
}
}