Java 如果布尔值为True,如何返回字符串
在学生类中,使用一些值编写构造函数。我想在VIP栏中打印是或否。i、 e当布尔值为Java 如果布尔值为True,如何返回字符串,java,jsp,oop,jakarta-ee,Java,Jsp,Oop,Jakarta Ee,在学生类中,使用一些值编写构造函数。我想在VIP栏中打印是或否。i、 e当布尔值为true时为是,反之亦然 public class Student { private String firstName; private String lastName; private boolean goldCustomer; public Student(String firstName, String lastName, boolean goldCustomer) { super()
true
时为是,反之亦然
public class Student {
private String firstName;
private String lastName;
private boolean goldCustomer;
public Student(String firstName, String lastName, boolean goldCustomer) {
super();
this.firstName = firstName;
this.lastName = lastName;
this.goldCustomer = goldCustomer;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public boolean isGoldCustomer() {
return goldCustomer;
}
public void setGoldCustomer(boolean goldCustomer) {
this.goldCustomer = goldCustomer;
}
}
我的JSP页面
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page import="java.util.* , com.jsptag.demo.Student" %>
<%
List<Student> students = new ArrayList< >();
students.add( new Student("Rahul" , "Rawat" , false));
students.add( new Student("Rohit" , "Negi" , true));
students.add( new Student("Mahesh" , "Gupta" , false));
pageContext.setAttribute("myStudents", students);
%>
<html>
<body>
<table border="1">
<tr>
<th>First Name</th>
<th>Last Name</th>
<th>VIP ?</th>
</tr>
<c:forEach var="data" items="${myStudents}">
<tr>
<td>${data.firstName}</td>
<td>${data.lastName}</td>
<td>${data.goldCustomer}</td>
</tr>
</c:forEach>
</table>
</body>
</html>
();
添加(新学生(“Rahul”,“Rawat”,false));
添加(新学生(“Rohit”,“Negi”,true));
添加(新学生(“Mahesh”,“Gupta”,false));
setAttribute(“myStudents”,学生);
%>
名字
姓
贵宾?
${data.firstName}
${data.lastName}
${data.goldCustomer}
它应该与三元运算符一起工作:
<td> ${data.goldCustomer ? 'Yes' : 'No'} </td>
${data.goldCustomer?'Yes':'No'}
它应该与三元运算符一起工作:
<td> ${data.goldCustomer ? 'Yes' : 'No'} </td>
${data.goldCustomer?'Yes':'No'}
我这么做了,但我想我的编码太差了。请也向你解释一下汉克。但是你能告诉我怎么做吗,因为我试过那样做。但我没有成功。我做到了,但我认为我的编码有那么糟糕。请也向你解释一下汉克。但是你能告诉我怎么做吗,因为我试过那样做。但是我没有成功。谢谢先生帮助我。不客气。请随意将我的答案标记为“解决方案”。谢谢先生的帮助。不客气。请随意将我的答案标记为“解决方案”。