SpringBoot自定义错误页面

古城微笑少年丶 2022-06-01 07:27 201阅读 0赞

项目结构：  
![这里写图片描述][SouthEast]

pox.xml:

<?xml version="1.0" encoding="UTF-8"?>
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
        <modelVersion>4.0.0</modelVersion>
        <groupId>com.dx</groupId>
        <artifactId>20180123_error</artifactId>
        <version>0.0.1-SNAPSHOT</version>
        <packaging>jar</packaging>
        <name>20180123_error</name>
        <description>Demo project for Spring Boot</description>
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.5.9.RELEASE</version>
            <relativePath /> 
        </parent>
        <properties>
            <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
            <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
            <java.version>1.8</java.version>
        </properties>
        <dependencies>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-thymeleaf</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-test</artifactId>
                <scope>test</scope>
            </dependency>
            
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-devtools</artifactId>
                <optional>true</optional>
            </dependency>
        </dependencies>
        <build>
            <plugins>
                <plugin>
                    <groupId>org.springframework.boot</groupId>
                    <artifactId>spring-boot-maven-plugin</artifactId>
                </plugin>
            </plugins>
        </build>
    </project>

编写controller

package com.dx.controller;
    
    import org.slf4j.Logger;
    import org.slf4j.LoggerFactory;
    import org.springframework.boot.autoconfigure.web.ErrorController;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    @Controller
    public class BaseErrorController implements ErrorController { 
        private static final Logger logger = LoggerFactory
                .getLogger(BaseErrorController.class);
        @Override
        public String getErrorPath() {
            logger.info("出错啦！进入自定义错误控制器");
            return "error/error";
        }
        @RequestMapping
        public String error() {
            return getErrorPath();
        }
    }

error.html

<!DOCTYPE HTML>
    <html xmlns:th="http://www.thymeleaf.org">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>玩转spring boot——简单登录认证</title>
    </head>
    <body>
        <h1>页面未找到！</h1>
    </body>
    </html>

[SouthEast]: /images/20220601/78425b47fb0b4964ac6218c3b54c7f5c.png