ssm框架 删除操作 一直报404

Student.java

package org.lanqiao.entity;

public class Student {
	private int stuno;
	private String stuname;
	private int stuage;
	public int getStuno() {
		return stuno;
	}
	public void setStuno(int stuno) {
		this.stuno = stuno;
	}
	public String getStuname() {
		return stuname;
	}
	public void setStuname(String stuname) {
		this.stuname = stuname;
	}
	public int getStuage() {
		return stuage;
	}
	public void setStuage(int stuage) {
		this.stuage = stuage;
	}
	

}

mapper.xml

<delete id="deleteStudentByStuno"  parameterType="int">
		delete from student where stuno = #{stuno}
	</delete>

mapper.java

 boolean deleteStudentByStuno(int stuno);

ServiceImpl.java

@Override
	public boolean deleteStudentByStuno(int stuno) {
		return studentMapper.deleteStudentByStuno(stuno);
	}

Service.java

boolean deleteStudentByStuno(int stuno)

Controller.java

	@RequestMapping("deleteStudentByStuno")
	public String deleteStudentByStuno(int stuno){
		studentService.deleteStudentByStuno(stuno);
		 return "allUser";
	}

allUser.jsp

<table>
	<tr>
		<th>学号</th>
		<th>姓名</th>
		<th>年龄</th>
		<th>操作</th>
		
	</tr>
	<c:forEach items="${querryAllStudents}" var="stu">
	<tr>
		<th>${stu.stuno}</th>
		<th>${stu.stuname}</th>
		<th>${stu.stuage}</th>
		<th><a href="controller/deleteStudentByStuno?stuno=${stu.stuno}">删除</a></th>
	</tr>
	
	</c:forEach>
	</table>

/controller/deleteStudentByStuno?

 你在你的地址前边加个斜杠 试一下