Spring Boot配合Hibernate Validator参数校验

46.Spring-Boot-Hibernate-Validator/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>2.1.0.RELEASE</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.example</groupId>
+    <artifactId>validator</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>demo</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-web</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</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>

46.Spring-Boot-Hibernate-Validator/src/main/java/com/example/demo/DemoApplication.java

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

46.Spring-Boot-Hibernate-Validator/src/main/java/com/example/demo/controller/TestController.java

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+package com.example.demo.controller;
+
+import com.example.demo.domain.User;
+import org.springframework.validation.annotation.Validated;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.validation.Valid;
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotBlank;
+
+/**
+ * @author MrBird
+ */
+@RestController
+@Validated
+public class TestController {
+
+    @GetMapping("test1")
+    public String test1(
+            @NotBlank(message = "{required}") String name,
+            @Email(message = "{invalid}") String email) {
+        return "success";
+    }
+
+    @GetMapping("test2")
+    public String test2(@Valid User user) {
+        return "success";
+    }
+}
+

46.Spring-Boot-Hibernate-Validator/src/main/java/com/example/demo/domain/User.java

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+package com.example.demo.domain;
+
+import javax.validation.constraints.Email;
+import javax.validation.constraints.NotBlank;
+import java.io.Serializable;
+
+/**
+ * @author MrBird
+ */
+public class User implements Serializable {
+    private static final long serialVersionUID = -2731598327208972274L;
+
+    @NotBlank(message = "{required}")
+    private String name;
+
+    @Email(message = "{invalid}")
+    private String email;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+}

46.Spring-Boot-Hibernate-Validator/src/main/java/com/example/demo/handler/GlobalExceptionHandler.java

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+package com.example.demo.handler;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.http.HttpStatus;
+import org.springframework.validation.BindException;
+import org.springframework.validation.FieldError;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+import javax.validation.Path;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * @author MrBird
+ */
+@RestControllerAdvice
+@Order(value = Ordered.HIGHEST_PRECEDENCE)
+public class GlobalExceptionHandler {
+
+    /**
+     * 统一处理请求参数校验(普通传参)
+     *
+     * @param e ConstraintViolationException
+     * @return FebsResponse
+     */
+    @ExceptionHandler(value = ConstraintViolationException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public String handleConstraintViolationException(ConstraintViolationException e) {
+        StringBuilder message = new StringBuilder();
+        Set<ConstraintViolation<?>> violations = e.getConstraintViolations();
+        for (ConstraintViolation<?> violation : violations) {
+            Path path = violation.getPropertyPath();
+            String[] pathArr = StringUtils.splitByWholeSeparatorPreserveAllTokens(path.toString(), ".");
+            message.append(pathArr[1]).append(violation.getMessage()).append(",");
+        }
+        message = new StringBuilder(message.substring(0, message.length() - 1));
+        return message.toString();
+    }
+
+    /**
+     * 统一处理请求参数校验(实体对象传参)
+     *
+     * @param e BindException
+     * @return FebsResponse
+     */
+    @ExceptionHandler(BindException.class)
+    @ResponseStatus(HttpStatus.BAD_REQUEST)
+    public String validExceptionHandler(BindException e) {
+        StringBuilder message = new StringBuilder();
+        List<FieldError> fieldErrors = e.getBindingResult().getFieldErrors();
+        for (FieldError error : fieldErrors) {
+            message.append(error.getField()).append(error.getDefaultMessage()).append(",");
+        }
+        message = new StringBuilder(message.substring(0, message.length() - 1));
+        return message.toString();
+
+    }
+}

46.Spring-Boot-Hibernate-Validator/src/main/resources/ValidationMessages.properties

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+required=\u4e0d\u80fd\u4e3a\u7a7a
+invalid=\u683c\u5f0f\u4e0d\u5408\u6cd5

46.Spring-Boot-Hibernate-Validator/src/main/resources/application.properties

@@ -0,0 +1 @@
+

46.Spring-Boot-Hibernate-Validator/src/test/java/com/example/demo/DemoApplicationTests.java

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+package com.example.demo;
+
+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 DemoApplicationTests {
+
+    @Test
+    public void contextLoads() {
+    }
+
+}