Spring Boot Sample 015之spring-boot-error-page

一、环境

  • Idea 2020.1
  • JDK 1.8
  • maven

二、目的

spring boot 异常处理页面实现方式。
gitHub地址: https://github.com/ouyushan/ouyushan-spring-boot-samples

三、步骤

3.1、点击File -> New Project -> Spring Initializer,点击next

Spring Boot Sample 015之spring-boot-error-page_第1张图片

 3.2、选择Web依赖,选中Spring Web。可以选择Spring Boot版本,本次默认为2.2.6,点击Next

Spring Boot Sample 015之spring-boot-error-page_第2张图片

 3.3、项目结构

Spring Boot Sample 015之spring-boot-error-page_第3张图片

四、添加文件

 添加静态文件

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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>
    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.2.6.RELEASEversion>
        <relativePath/> 
    parent>
    <groupId>org.ouyushngroupId>
    <artifactId>spring-boot-error-pageartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <name>spring-boot-error-pagename>
    <description>Error page project for Spring Bootdescription>

    <properties>
        <java.version>1.8java.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-freemarkerartifactId>
        dependency>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>

        <dependency>
            <groupId>org.webjarsgroupId>
            <artifactId>jqueryartifactId>
            <version>3.5.0version>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintagegroupId>
                    <artifactId>junit-vintage-engineartifactId>
                exclusion>
            exclusions>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
        plugins>
    build>

project>

 

添加index.ftl
DOCTYPE html>
<html>
<head lang="en">
    <title>Spring Boot Demo - FreeMarkertitle>

    <link href="/css/index.css" rel="stylesheet" />

head>
<body>
<div style="text-align: center;">
    <img src="/images/springboot.jpg" />
    <h1 id="title">${title}h1>
div>

<script type="text/javascript" src="/webjars/jquery/3.3.1/jquery.min.js">script>

<script>
    $(function(){
        $('#title').click(function(){
            alert('点击了');
        });
    })
script>
body>
html>

 

添加index.css
h1{color: blue;}

 

配置文件application.properties

spring.freemarker.template-loader-path=classpath:/templates
spring.freemarker.suffix=.ftl
 
   
404.html
DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>Spring Boot Demo - FreeMarkertitle>
head>
<body>
<h1>404-找不到页面-publich1>
body>
html>
 
   

五、测试

http://localhost:8080/user/index/
Spring Boot Sample 015之spring-boot-error-page_第4张图片
 
http://localhost:8080/user/a/

 

404-找不到页面-public
 
http://localhost:8080/user/error/

 

Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Thu May 07 13:42:39 CST 2020
There was an unexpected error (type=Internal Server Error, status=500).
测试异常
 

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