全局异常处理，配置自定义错误页面

Author: caidapao

chpater2-6/pom.xml

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+<?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>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>1.5.20.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com</groupId>
+    <artifactId>caidapao</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>caidapao</name>
+    <description>Demo project for Spring Boot</description>
+
+    <properties>
+        <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>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

chpater2-6/src/main/java/com/caidapao/CaidapaoApplication.java

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+package com.caidapao;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CaidapaoApplication {
+
+    public static void main(String[] args) {
+        SpringApplication.run(CaidapaoApplication.class, args);
+    }
+
+}

chpater2-6/src/main/java/com/caidapao/exception/MyException.java

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+package com.caidapao.exception;
+
+/**
+ * Created by caidapao on 2019/4/29
+ * Time 23:06
+ * Blog http://www.caidapao.com
+ */
+public class MyException extends RuntimeException{
+}

chpater2-6/src/main/java/com/caidapao/global/GlobalExceptionHandle.java

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+package com.caidapao.global;
+
+import org.springframework.web.bind.annotation.ControllerAdvice;
+
+/**
+ * Created by caidapao on 2019/4/29
+ * Time 23:08
+ * Blog http://www.caidapao.com
+ */
+@ControllerAdvice
+public class GlobalExceptionHandle {
+}

chpater2-6/src/main/java/com/caidapao/web/UserController.java

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+package com.caidapao.web;
+
+import com.caidapao.exception.MyException;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+/**
+ * Created by caidapao on 2019/4/29
+ * Time 23:07
+ * Blog http://www.caidapao.com
+ */
+@Controller
+@RequestMapping("/user")
+public class UserController {
+
+    @RequestMapping("detail")
+    public String userDetail(){
+        throw new MyException();
+    }
+}

chpater2-6/src/main/resources/application.properties

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+

chpater2-6/src/test/java/com/caidapao/CaidapaoApplicationTests.java

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+package com.caidapao;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CaidapaoApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}