{"id":37516,"date":"2025-05-16T09:33:23","date_gmt":"2025-05-16T01:33:23","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/37516.html"},"modified":"2025-05-16T09:33:23","modified_gmt":"2025-05-16T01:33:23","slug":"spring%e7%9a%84-validate%e6%b3%a8%e8%a7%a3%e8%af%a6%e7%bb%86%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/37516.html","title":{"rendered":"Spring\u7684 @Validate\u6ce8\u89e3\u8be6\u7ec6\u5206\u6790"},"content":{"rendered":"

\u5728 Spring Boot \u4e2d，\u53c2\u6570\u6821\u9a8c\u662f\u4fdd\u8bc1\u6570\u636e\u5408\u6cd5\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9664\u4e86\u524d\u9762\u63d0\u5230\u7684@NotNull\u3001@Size\u7b49\u57fa\u7840\u6ce8\u89e3\u5916，JSR-303（Bean Validation 1.0）\u3001JSR-349（Bean Validation 1.1）\u548c JSR-380（Bean Validation 2.0）\u89c4\u8303\u8fd8\u63d0\u4f9b\u4e86\u5927\u91cf\u5e38\u7528\u7684\u6821\u9a8c\u6ce8\u89e3\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u6ce8\u89e3\u53ca\u5176\u5e94\u7528\u573a\u666f：<\/p>\n

\u4e00\u3001\u57fa\u7840\u6821\u9a8c\u6ce8\u89e3<\/h2>\n

1. \u7a7a\u503c\u6821\u9a8c<\/h3>\n\n\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@NotNull<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5bf9\u8c61\u4e0d\u4e3anull，\u4f46\u5141\u8bb8\u4e3a\u7a7a\u5b57\u7b26\u4e32（""）\u6216\u7a7a\u96c6\u5408\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Null<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5bf9\u8c61\u5fc5\u987b\u4e3anull\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@NotEmpty<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u3001\u96c6\u5408\u3001\u6570\u7ec4\u3001Map \u7b49\u4e0d\u4e3anull\u4e14\u957f\u5ea6 \/ \u5927\u5c0f\u5927\u4e8e 0（\u5ffd\u7565\u7a7a\u767d\u5b57\u7b26）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@NotBlank<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u4e0d\u4e3anull\u4e14\u81f3\u5c11\u5305\u542b\u4e00\u4e2a\u975e\u7a7a\u767d\u5b57\u7b26（\u5982" "\u4f1a\u6821\u9a8c\u5931\u8d25）\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0User\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@NotNull(message =\u00a0"ID\u4e0d\u80fd\u4e3a\u7a7a")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0Long\u00a0id;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@NotEmpty(message =\u00a0"\u59d3\u540d\u4e0d\u80fd\u4e3a\u7a7a")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0String\u00a0name;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@NotBlank(message =\u00a0"\u7528\u6237\u540d\u4e0d\u80fd\u4e3a\u7a7a")<\/p>\n

private\u00a0String\u00a0username;<\/p>\n

}<\/p>\n

2. \u6570\u503c\u6821\u9a8c<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@Min(value)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c（\u5305\u62ec\u57fa\u672c\u7c7b\u578b\u548c\u5305\u88c5\u7c7b）\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e\u6307\u5b9a\u6700\u5c0f\u503c\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Max(value)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u5fc5\u987b\u5c0f\u4e8e\u6216\u7b49\u4e8e\u6307\u5b9a\u6700\u5927\u503c\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@DecimalMin(value)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1 BigDecimal \u6216\u5b57\u7b26\u4e32\u8868\u793a\u7684\u6570\u503c\u5fc5\u987b\u5927\u4e8e\u6216\u7b49\u4e8e\u6307\u5b9a\u503c（\u652f\u6301\u7cbe\u786e\u5c0f\u6570）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@DecimalMax(value)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1 BigDecimal \u6216\u5b57\u7b26\u4e32\u8868\u793a\u7684\u6570\u503c\u5fc5\u987b\u5c0f\u4e8e\u6216\u7b49\u4e8e\u6307\u5b9a\u503c（\u652f\u6301\u7cbe\u786e\u5c0f\u6570）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Digits(integer=, fraction=)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u7684\u6574\u6570\u90e8\u5206\u548c\u5c0f\u6570\u90e8\u5206\u7684\u4f4d\u6570\u662f\u5426\u7b26\u5408\u8981\u6c42\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Positive<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u5fc5\u987b\u4e3a\u6b63\u6570（\u4e0d\u5305\u62ec 0）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@PositiveOrZero<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u5fc5\u987b\u4e3a\u6b63\u6570\u6216 0\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Negative<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u5fc5\u987b\u4e3a\u8d1f\u6570（\u4e0d\u5305\u62ec 0）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@NegativeOrZero<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u5fc5\u987b\u4e3a\u8d1f\u6570\u6216 0\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0Product\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@Min(value =\u00a01,\u00a0message =\u00a0"\u4ef7\u683c\u4e0d\u80fd\u4f4e\u4e8e1")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0double\u00a0price;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@DecimalMax(value =\u00a0"1000.00",\u00a0message =\u00a0"\u4ef7\u683c\u4e0d\u80fd\u8d85\u8fc71000")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0BigDecimal\u00a0maxPrice;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Digits(integer =\u00a03,\u00a0fraction =\u00a02,\u00a0message =\u00a0"\u6298\u6263\u5fc5\u987b\u4e3a\u6700\u591a3\u4f4d\u6574\u6570\u548c2\u4f4d\u5c0f\u6570")<\/p>\n

private\u00a0double\u00a0discount;<\/p>\n

}<\/p>\n

3. \u957f\u5ea6 \/ \u5927\u5c0f\u6821\u9a8c<\/h3>\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@Size(min=, max=)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u3001\u96c6\u5408\u3001\u6570\u7ec4\u3001Map \u7b49\u7684\u957f\u5ea6\u6216\u5927\u5c0f\u5fc5\u987b\u5728\u6307\u5b9a\u8303\u56f4\u5185\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Length(min=, max=)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u957f\u5ea6\u5fc5\u987b\u5728\u6307\u5b9a\u8303\u56f4\u5185（\u5e38\u7528\u4e8e Hibernate Validator）\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0User\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@Size(min =\u00a06,\u00a0max =\u00a020,\u00a0message =\u00a0"\u5bc6\u7801\u957f\u5ea6\u5fc5\u987b\u57286-20\u4f4d\u4e4b\u95f4")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0String\u00a0password;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Size(max =\u00a05,\u00a0message =\u00a0"\u7231\u597d\u4e0d\u80fd\u8d85\u8fc75\u4e2a")<\/p>\n

private\u00a0List<String>\u00a0hobbies;<\/p>\n

}<\/p>\n

4. \u683c\u5f0f\u6821\u9a8c<\/h3>\n\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@Email<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u5408\u6cd5\u7684\u90ae\u7bb1\u683c\u5f0f（\u9ed8\u8ba4\u6b63\u5219\u8f83\u5bbd\u677e，\u53ef\u901a\u8fc7regexp\u53c2\u6570\u81ea\u5b9a\u4e49）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Pattern(regexp=)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u7b26\u5408\u6307\u5b9a\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@URL<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u5408\u6cd5\u7684 URL \u683c\u5f0f\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0Contact\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@Email(message =\u00a0"\u90ae\u7bb1\u683c\u5f0f\u4e0d\u6b63\u786e")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0String\u00a0email;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Pattern(regexp =\u00a0"^1[3-9]\\\\\\\\d{9}$",\u00a0message =\u00a0"\u624b\u673a\u53f7\u683c\u5f0f\u4e0d\u6b63\u786e")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0String\u00a0phone;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@URL(message =\u00a0"\u7f51\u5740\u683c\u5f0f\u4e0d\u6b63\u786e")<\/p>\n

private\u00a0String\u00a0website;<\/p>\n

}<\/p>\n

\u4e8c\u3001\u9ad8\u7ea7\u6821\u9a8c\u6ce8\u89e3<\/h2>\n

1. \u65e5\u671f \/ \u65f6\u95f4\u6821\u9a8c<\/h3>\n\n\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@Past<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u65e5\u671f \/ \u65f6\u95f4\u5fc5\u987b\u662f\u8fc7\u53bb\u7684\u65f6\u95f4（\u5982.util.Date\u3001LocalDate\u7b49）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@PastOrPresent<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u65e5\u671f \/ \u65f6\u95f4\u5fc5\u987b\u662f\u8fc7\u53bb\u6216\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Future<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u65e5\u671f \/ \u65f6\u95f4\u5fc5\u987b\u662f\u672a\u6765\u7684\u65f6\u95f4\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@FutureOrPresent<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u65e5\u671f \/ \u65f6\u95f4\u5fc5\u987b\u662f\u672a\u6765\u6216\u5f53\u524d\u65f6\u95f4\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0Event\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@Past(message =\u00a0"\u521b\u5efa\u65f6\u95f4\u5fc5\u987b\u662f\u8fc7\u53bb\u7684\u65f6\u95f4")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0LocalDateTime\u00a0createTime;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Future(message =\u00a0"\u6d3b\u52a8\u5f00\u59cb\u65f6\u95f4\u5fc5\u987b\u662f\u672a\u6765\u7684\u65f6\u95f4")<\/p>\n

private\u00a0LocalDate\u00a0startTime;<\/p>\n

}<\/p>\n

2. \u6761\u4ef6\u6821\u9a8c<\/h3>\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@AssertTrue<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5e03\u5c14\u503c\u5fc5\u987b\u4e3atrue\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@AssertFalse<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5e03\u5c14\u503c\u5fc5\u987b\u4e3afalse\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0Agreement\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@AssertTrue(message =\u00a0"\u5fc5\u987b\u540c\u610f\u7528\u6237\u534f\u8bae")<\/p>\n

private\u00a0boolean\u00a0agreed;<\/p>\n

}<\/p>\n

3. \u81ea\u5b9a\u4e49\u6821\u9a8c<\/p>\n

\u5f53\u5185\u7f6e\u6ce8\u89e3\u65e0\u6cd5\u6ee1\u8db3\u9700\u6c42\u65f6，\u53ef\u4ee5\u901a\u8fc7@Constraint\u81ea\u5b9a\u4e49\u6821\u9a8c\u6ce8\u89e3：<\/p>\n

\n

\n

\/\/ \u81ea\u5b9a\u4e49\u6ce8\u89e3<\/p>\n

@Target({ElementType.FIELD,\u00a0ElementType.PARAMETER})<\/p>\n

@Retention(RetentionPolicy.RUNTIME)<\/p>\n

@Constraint(validatedBy =\u00a0PasswordValidator.class)public\u00a0<\/p>\n

@interface\u00a0ValidPassword\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0String\u00a0message()\u00a0default\u00a0"\u5bc6\u7801\u5fc5\u987b\u5305\u542b\u5927\u5c0f\u5199\u5b57\u6bcd\u548c\u6570\u5b57，\u957f\u5ea68-20\u4f4d";<\/p>\n

\u00a0\u00a0\u00a0\u00a0Class<?>[]\u00a0groups()\u00a0default\u00a0{};<\/p>\n

Class<? extends\u00a0Payload>[]\u00a0payload()\u00a0default\u00a0{};<\/p>\n

}<\/p>\n

\/\/ \u6821\u9a8c\u5668\u5b9e\u73b0<\/p>\n

public\u00a0class\u00a0PasswordValidator\u00a0implements\u00a0ConstraintValidator<ValidPassword, String>\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0static\u00a0final\u00a0Pattern\u00a0PASSWORD_PATTERN\u00a0=\u00a0<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Pattern.compile("^(?=.*[a-z])(?=.*[A-Z])(?=.*\\\\\\\\d).{8,20}$");<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Override<\/p>\n

\u00a0\u00a0\u00a0\u00a0public\u00a0boolean\u00a0isValid(String\u00a0password,\u00a0ConstraintValidatorContext\u00a0context)\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0password !=\u00a0null\u00a0&&\u00a0PASSWORD_PATTERN.matcher(password).matches();<\/p>\n

}<\/p>\n

}<\/p>\n

\u4e09\u3001\u5206\u7ec4\u6821\u9a8c\u4e0e\u7ea7\u8054\u6821\u9a8c<\/h2>\n

1. \u5206\u7ec4\u6821\u9a8c<\/h3>\n

\u901a\u8fc7\u5b9a\u4e49\u5206\u7ec4\u63a5\u53e3，\u4e3a\u4e0d\u540c\u573a\u666f（\u5982\u521b\u5efa\u3001\u66f4\u65b0）\u5e94\u7528\u4e0d\u540c\u7684\u6821\u9a8c\u89c4\u5219：<\/p>\n

\/\/ \u5b9a\u4e49\u5206\u7ec4\u63a5\u53e3<\/p>\n

public\u00a0interface\u00a0CreateGroup\u00a0{}<\/p>\n

public\u00a0interface\u00a0UpdateGroup\u00a0{}<\/p>\n

\/\/ \u5b9e\u4f53\u7c7b\u4e2d\u6307\u5b9a\u5206\u7ec4<\/p>\n

public\u00a0class\u00a0User\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@NotNull(groups =\u00a0UpdateGroup.class)\u00a0\/\/ \u66f4\u65b0\u65f6ID\u4e0d\u80fd\u4e3a\u7a7a<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0Long\u00a0id;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@NotBlank(groups =\u00a0{CreateGroup.class,\u00a0UpdateGroup.class})\u00a0\/\/ \u521b\u5efa\u548c\u66f4\u65b0\u65f6\u90fd\u9700\u8981<\/p>\n

private\u00a0String\u00a0username;<\/p>\n

}<\/p>\n

\/\/ \u63a7\u5236\u5668\u65b9\u6cd5\u4e2d\u6307\u5b9a\u5206\u7ec4<\/p>\n

@PostMappingpublic\u00a0User\u00a0createUser(@Validated(CreateGroup.class)\u00a0@RequestBody\u00a0User\u00a0user)\u00a0{<\/p>\n

return\u00a0userService.createUser(user);<\/p>\n

}<\/p>\n

2. \u7ea7\u8054\u6821\u9a8c<\/h3>\n

\u5f53\u5bf9\u8c61\u5305\u542b\u5d4c\u5957\u5c5e\u6027\u65f6，\u4f7f\u7528@Valid\u89e6\u53d1\u5d4c\u5957\u6821\u9a8c：<\/p>\n

\n

\n

public\u00a0class\u00a0Order\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@NotNull<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0Long\u00a0id;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Valid\u00a0\/\/ \u89e6\u53d1\u5d4c\u5957\u6821\u9a8c<\/p>\n

\u00a0\u00a0\u00a0\u00a0@NotNull<\/p>\n

private\u00a0User\u00a0user;<\/p>\n

}<\/p>\n

\u56db\u3001Hibernate Validator \u6269\u5c55\u6ce8\u89e3<\/h2>\n

Hibernate Validator \u662f JSR \u89c4\u8303\u7684\u5e38\u7528\u5b9e\u73b0，\u63d0\u4f9b\u4e86\u4e00\u4e9b\u989d\u5916\u7684\u6821\u9a8c\u6ce8\u89e3：<\/p>\n

\n\n\n\n\n\n\n\n\n
\n

\u6ce8\u89e3<\/p>\n<\/td>\n

\n

\u4f5c\u7528<\/p>\n<\/td>\n<\/tr>\n

\n

@CreditCardNumber<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u5408\u6cd5\u7684\u4fe1\u7528\u5361\u53f7（\u901a\u8fc7 Luhn \u7b97\u6cd5\u6821\u9a8c）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Currency<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u8d27\u5e01\u91d1\u989d\u662f\u5426\u7b26\u5408\u6307\u5b9a\u7684\u8d27\u5e01\u4ee3\u7801（\u5982@Currency("CNY")）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@EAN<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u5408\u6cd5\u7684\u5546\u54c1\u6761\u5f62\u7801（\u5982 EAN-13）\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@ISBN<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u5b57\u7b26\u4e32\u662f\u5426\u4e3a\u5408\u6cd5\u7684 ISBN \u7f16\u53f7\u3002<\/p>\n<\/td>\n<\/tr>\n

\n

@Range(min=, max=)<\/p>\n<\/td>\n

\n

\u9a8c\u8bc1\u6570\u503c\u662f\u5426\u5728\u6307\u5b9a\u8303\u56f4\u5185（\u7c7b\u4f3c\u4e8e@Min+@Max）\u3002<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n

\u793a\u4f8b：<\/p>\n

public\u00a0class\u00a0Payment\u00a0{<\/p>\n

\u00a0\u00a0\u00a0\u00a0@CreditCardNumber(message =\u00a0"\u4fe1\u7528\u5361\u53f7\u683c\u5f0f\u4e0d\u6b63\u786e")<\/p>\n

\u00a0\u00a0\u00a0\u00a0private\u00a0String\u00a0cardNumber;<\/p>\n

\n

\u00a0\u00a0\u00a0\u00a0@Range(min =\u00a01,\u00a0max =\u00a012,\u00a0message =\u00a0"\u6708\u4efd\u5fc5\u987b\u57281-12\u4e4b\u95f4")<\/p>\n

private\u00a0int\u00a0month;<\/p>\n

}<\/p>\n

\u4e94\u3001\u4f7f\u7528\u6ce8\u610f\u4e8b\u9879<\/h2>\n

\u4f9d\u8d56\u5f15\u5165：\u786e\u4fdd\u9879\u76ee\u4e2d\u5305\u542bspring-boot-starter-validation\u4f9d\u8d56：<\/p>\n

\n

<dependency><\/p>\n

\u00a0\u00a0\u00a0\u00a0<groupId>org.springframework.boot<\/groupId><\/p>\n

<artifactId>spring-boot-starter-validation<\/artifactId><\/p>\n

<\/dependency><\/p>\n

\u5168\u5c40\u5f02\u5e38\u5904\u7406：\u6dfb\u52a0\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\u6355\u83b7\u6821\u9a8c\u5931\u8d25\u5f02\u5e38：<\/p>\n

@ExceptionHandler(MethodArgumentNotValidException.class)public\u00a0ResponseEntity<Map<String, String>>\u00a0handleValidationExceptions(<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0MethodArgumentNotValidException\u00a0ex)\u00a0{<\/p>\n

\/\/ \u5904\u7406\u6821\u9a8c\u9519\u8bef<\/p>\n

}<\/p>\n

\u56fd\u9645\u5316\u652f\u6301：\u6821\u9a8c\u9519\u8bef\u4fe1\u606f\u53ef\u901a\u8fc7message.properties\u5b9e\u73b0\u56fd\u9645\u5316\u3002<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb460\u6b21\uff0c\u70b9\u8d5e11\u6b21\uff0c\u6536\u85cf10\u6b21\u3002\u5728 Spring Boot \u4e2d\uff0c\u53c2\u6570\u6821\u9a8c\u662f\u4fdd\u8bc1\u6570\u636e\u5408\u6cd5\u6027\u7684\u91cd\u8981\u624b\u6bb5\u3002\u9664\u4e86\u524d\u9762\u63d0\u5230\u7684@NotNull\u3001@Size\u7b49\u57fa\u7840\u6ce8\u89e3\u5916\uff0cJSR-303\uff08Bean Validation 1.0\uff09\u3001JSR-349\uff08Bean Validation 1.1\uff09\u548c JSR-380\uff08Bean Validation 2.0\uff09\u89c4\u8303\u8fd8\u63d0\u4f9b\u4e86\u5927\u91cf\u5e38\u7528\u7684\u6821\u9a8c\u6ce8\u89e3\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[98,3252,87,427],"topic":[],"class_list":["post-37516","post","type-post","status-publish","format-standard","hentry","category-server","tag-spring-boot","tag-ssm","tag-87","tag-427"],"yoast_head":"\nSpring\u7684 @Validate\u6ce8\u89e3\u8be6\u7ec6\u5206\u6790 - 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