1、总览

2、代码

1)、pom.xml

<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency> <dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency> <dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency> </dependencies>

2)、application.properties

spring.mvc.view.prefix=/WEB-INF/views/
spring.mvc.view.suffix=.jsp
server.error.whitelabel.enabled=false
server.error.include-stacktrace=always

3)、java代码

package com.ebc.controller;

import com.ebc.error.ForbiddenException;
import com.ebc.error.NotYetImplemented;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseStatus; @Controller
public class MyController {
/**
* response status code=500,导航到5xx.jsp
*/
@RequestMapping("/")
public void handleRequest() {
throw new RuntimeException("test exception");
}
/**
* response status code=501,导航到5xx.jsp
*/
@RequestMapping("/app")
public void handleAppInfoRequest() throws NotYetImplemented {
throw new NotYetImplemented("The request page is not yet implemented");
} /**
* response status code=403,因为没有403.jsp,因此会导航到error.jsp
*/
@RequestMapping("/admin")
public void handleAdminRequest() throws ForbiddenException {
throw new ForbiddenException("The requested page is forbidden");
} /**
* 返回501,但是无法导航到5xx.jsp页面
*/
@RequestMapping("/some")
@ResponseStatus(HttpStatus.NOT_IMPLEMENTED)
public void handleSomeRequest() {
}
/**
* 返回501,但是无法导航到5xx.jsp页面
*/
@RequestMapping("/some2")
public ResponseEntity<?> handleSomeInfoRequest() {
ResponseEntity<?> re = new ResponseEntity<>((Object)null, HttpStatus.NOT_IMPLEMENTED);
return re;
}
} package com.ebc.error; import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus; @ResponseStatus(HttpStatus.FORBIDDEN)
public class ForbiddenException extends Exception {
public ForbiddenException(String message) {
super(message);
}
} package com.ebc.error; import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ResponseStatus; @ResponseStatus(HttpStatus.NOT_IMPLEMENTED)
public class NotYetImplemented extends Exception {
public NotYetImplemented(String message) {
super(message);
}
}

4)、5xx.jsp

所有5开头的http状态返回码都会导航到该5xx.jsp。

<%@ page language="java"
contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<html>
<head>
<style>
table td{
vertical-align:top;
border:solid 1px #888;
padding:10px;
}
</style>
</head>
<body>
<h1>My 5xx Error Page</h1>
<table>
<tr>
<td>Date</td>
<td>${timestamp}</td>
</tr>
<tr>
<td>Error</td>
<td>${error}</td>
</tr>
<tr>
<td>Status</td>
<td>${status}</td>
</tr>
<tr>
<td>Message</td>
<td>${message}</td>
</tr>
<tr>
<td>Exception</td>
<td>${exception}</td>
</tr>
<tr>
<td>Trace</td>
<td>
<pre>${trace}</pre>
</td>
</tr>
</table>
</body>
</html>

5)、404.jsp

只有404的返回码会导航到404.jsp

<%@ page language="java"
contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<html>
<head>
<style>
table td{
vertical-align:top;
border:solid 1px #888;
padding:10px;
}
</style>
</head>
<body>
<h1>My 404 Error Page</h1>
<table>
<tr>
<td>Date</td>
<td>${timestamp}</td>
</tr>
<tr>
<td>Error</td>
<td>${error}</td>
</tr>
<tr>
<td>Status</td>
<td>${status}</td>
</tr>
<tr>
<td>Message</td>
<td>${message}</td>
</tr>
<tr>
<td>Exception</td>
<td>${exception}</td>
</tr>
<tr>
<td>Trace</td>
<td>
<pre>${trace}</pre>
</td>
</tr>
</table>
</body>
</html>

6)、error.jsp(在views文件夹下,即application.properties 中的spring.mvc.view.prefix=/WEB-INF/views/)

除了5xx、404外的所有状态码都会到航到error.jsp页面

<%@ page language="java"
contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<html>
<head>
<style>
table td{
vertical-align:top;
border:solid 1px #888;
padding:10px;
}
</style>
</head>
<body>
<h1>My Custom Global Error Page</h1>
<table>
<tr>
<td>Date</td>
<td>${timestamp}</td>
</tr>
<tr>
<td>Error</td>
<td>${error}</td>
</tr>
<tr>
<td>Status</td>
<td>${status}</td>
</tr>
<tr>
<td>Message</td>
<td>${message}</td>
</tr>
<tr>
<td>Exception</td>
<td>${exception}</td>
</tr>
<tr>
<td>Trace</td>
<td>
<pre>${trace}</pre>
</td>
</tr>
</table>
</body>
</html>

3、执行

发现,没有导航到5xx.jsp,只是返回了501

输入一个不存在的资源,导航到了404.jsp了。

总结:

views

|_error.jsp【error.jsp一定存放在根下,即application.properties 中的spring.mvc.view.prefix=/WEB-INF/views/】

|_error【其他错误页面一定存放在error目录下】

  |_5xx.jsp

  |_404.jsp

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