当我调试项目调试面板显示我几行错误(我不是100%确定这些是错误还是只是警告)。同时我的项目一直运行,直到我点击登录按钮。我想知道如何删除这些红色的错误行,并进入我的项目的主窗口。我的项目运行,但有像我需要删除的行几个错误
下面是错误线 - :
Non-existing path "C:\Users\User\Documents\NetBeansProjects\lib\calendarfx-view-8.4.0.jar" provided.
Non-existing path "C:\Users\User\Documents\NetBeansProjects\jcalendar-1.4.jar" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.JasperReports.classpath}" provided.
Non-existing path "D:\softwares\javax.mail-1.6.0-rc1-javadoc.jar" provided.
Non-existing path "D:\softwares\javax.mail-1.6.0-rc1-sources.jar" provided.
Non-existing path "D:\softwares\javax.mail-1.6.0-rc1.jar" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.absolute_.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.reporting.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.reporting3.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.reporting2.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.jasper.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.calendarfx.classpath}" provided.
Non-existing path "C:\Users\hp\Documents\NetBeansProjects\POST_NEW\${libs.JAVADB_DRIVER_LABEL.classpath}" provided.
Have no file for C:\Users\User\Documents\NetBeansProjects\lib\calendarfx-view-8.4.0.jar
Have no file for C:\Users\User\Documents\NetBeansProjects\jcalendar-1.4.jar
Have no file for D:\softwares\javax.mail-1.6.0-rc1-javadoc.jar
Have no file for D:\softwares\javax.mail-1.6.0-rc1-sources.jar
Have no file for D:\softwares\javax.mail-1.6.0-rc1.jar
这些来,因为我加了一些jar文件到以前的项目文件夹或选项板或某个地方ago.Now即使该文件夹不在可用NetBeans项目文件夹即将到来。
下面是登录按钮
private void loginActionPerformed(java.awt.event.ActionEvent evt) {
if (E_ID.getText().trim().length() == 0 | PWD.getPassword() == null) {
JOptionPane.showMessageDialog(null, "Username or Password cannot be blank", "Error", 0);
} else {
try {
ResultSet rs = new DBG1().getData("select * from USER where E_ID = '" +E_ID.getText() + "'");
Vector v = new Vector();
if (rs.next()) {
v.add(rs.getString(1));
}
if (v.isEmpty()) {
JOptionPane.showMessageDialog(null, "Invalid Username or Password", "Error", 0);
E_ID.setText("");
PWD.setText("");
E_ID.grabFocus();
} else {
ResultSet rs1 = new DBG1().getData("select * from USER where E_ID ='" + E_ID.getText() + "'");
while (rs1.next()) {
String type = (rs1.getString(3));
System.out.println("while");
if (E_ID.getText().trim().equalsIgnoreCase(rs1.getString("E_ID")) && PWD.getText().equals(rs1.getString("PWD"))&& type.equals("Admin")) {//
this.dispose();
new Home_Page(E_ID.getText()).setVisible(true);
} else if (E_ID.getText().trim().equalsIgnoreCase(rs1.getString("E_ID")) && PWD.getText().equals(rs1.getString("PWD")) && type.equals("User")) {
this.dispose();
new Home_Page(E_ID.getText()).setVisible(true);
}
else {
System.out.println("else");
JOptionPane.showMessageDialog(null, "Invalid Username or Password", "Error", 0);
E_ID.setText("");
PWD.setText("");
E_ID.grabFocus();
}
}
this.dispose();
}
} catch (Exception e) {
System.out.println(e);
}
}
}
在上述码的码读取直到while循环进入内部然后编译else部分从else-if.In这里由检索到的值“type.equals(” ),type.equals(“User”)“是错误的,这就是为什么它不编译if部分或其他部分 - 如果编译else部分。我想进入上面说的如果是part.Can任何机构告诉我应该在哪里修改,以使该部分的价值真实并进入if部分? (在“用户”内部框架中有一个名为U_LEVEL的文本字段,它指的是MYSQL表USER和列U_LEVEL,其中我已经保存了值“Admin”和“User”)
“错误”似乎是您的项目的配置问题 – MadProgrammer
您发布的代码与NetBeans警告似乎没有关系。 NetBeans只是警告您添加了不存在的路径。 –