- 轉自:https://www.aliyun.com/jiaocheng/1315650.html
- <dependency>
- <groupId>org.hibernate</groupId>
- <artifactId>hibernate-validator</artifactId>
- <version>5.1.1.Final</version>
- </dependency>
- <dependency>
- <groupId>javax.el</groupId>
- <artifactId>javax.el-api</artifactId>
- <version>2.2.4</version>
- </dependency>
- <dependency>
- <groupId>org.glassfish.web</groupId>
- <artifactId>javax.el</artifactId>
- <version>2.2.4</version>
- </dependency>
與spring整合的配置:

- <!-- 配置 JSR303 Bean Validator 定義 -->
- <bean id="validator" class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean" />
實體類屬性上加注解約束
- @NotNull(message="書籍的姓名不能為空!")
- public String getBookName() {
- return bookName;
- }
- /**
- * 服務端參數有效性驗證
- * @param object 驗證的實體對象
- * @param groups 驗證組
- * @return 驗證成功:返回true;嚴重失敗:將錯誤信息添加到 flash message 中
- */
- @SuppressWarnings("rawtypes")
- public static void validateWithException(Validator validator, Object object, Class<?>... groups)
- throws ConstraintViolationException {
- Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);
- if (!constraintViolations.isEmpty()) {
- StringBuffer sb=new StringBuffer();
- for (ConstraintViolation constraintViolation : constraintViolations) {
- sb.append(constraintViolation.getMessage());
- }
- throw new RuntimeException(sb.toString());
- //throw new ConstraintViolationException(constraintViolations);
- }
- }
- 測試類方法:
- @Test
- public void testSaveBook(){
- Book book=new Book();
- book.setBookPrice(100);
- book.setBookStock(10);
- // book.setBookName("norelax");
- validateWithException(validator, book);
- System.out.println(buyService.saveBook(10, null, 10));
- }
測試結果:
java.lang.RuntimeException: 書籍的姓名不能為空!
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:232)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:175)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:670)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
Bean Validation 中內置的 constraint(約束)- @Null 被注釋的元素必須為 null
- @NotNull 被注釋的元素必須不為 null
- @AssertTrue 被注釋的元素必須為 true
- @AssertFalse 被注釋的元素必須為 false
- @Min(value) 被注釋的元素必須是一個數字,其值必須大於等於指定的最小值
- @Max(value) 被注釋的元素必須是一個數字,其值必須小於等於指定的最大值
- @DecimalMin(value) 被注釋的元素必須是一個數字,其值必須大於等於指定的最小值
- @DecimalMax(value) 被注釋的元素必須是一個數字,其值必須小於等於指定的最大值
- @Size(max=, min=) 被注釋的元素的大小必須在指定的范圍內
- @Digits (integer, fraction) 被注釋的元素必須是一個數字,其值必須在可接受的范圍內
- @Past 被注釋的元素必須是一個過去的日期
- @Future 被注釋的元素必須是一個將來的日期
- @Pattern(regex=,flag=) 被注釋的元素必須符合指定的正則表達式
- Hibernate Validator 附加的 constraint
- @NotBlank(message =) 驗證字符串非null,且長度必須大於0
- @Email 被注釋的元素必須是電子郵箱地址
- @Length(min=,max=) 被注釋的字符串的大小必須在指定的范圍內
- @NotEmpty 被注釋的字符串的必須非空
- @Range(min=,max=,message=) 被注釋的元素必須在合適的范圍內