SpringBoot參數(shù)校驗(yàn)之@Validated的使用詳解
簡(jiǎn)介
說(shuō)明
本文用示例說(shuō)明SpringBoot的@Validated的用法。
依賴
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId> </dependency>
它里邊依賴了hibernate validator,就是下邊這個(gè)
<dependency> <groupId>org.hibernate.validator</groupId> <artifactId>hibernate-validator</artifactId> </dependency>
用法1:不分組
跟上邊“@Valid實(shí)例”的結(jié)果是一樣的,只是把入?yún)⑻幍腀Valid改為@Validated。
代碼
Controller
package com.example.demo.validated.without_group.controller; import com.example.demo.validated.without_group.entity.User; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import org.springframework.validation.BindingResult; import org.springframework.validation.ObjectError; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import javax.validation.Valid; import java.util.List; @Api(tags = "不分組") @RestController @RequestMapping("validatedWithoutGroup") public class ValidatedWithoutGroupController { @ApiOperation("正常用法") @GetMapping("normal") public User normal(@Validated User user) { return user; } @ApiOperation("獲得BindingResult") @GetMapping("bindingResult") public User bindingResult(@Validated User user, BindingResult bindingResult) { if (bindingResult.hasErrors()){ List<ObjectError> list = bindingResult.getAllErrors(); for (ObjectError objectError : list) { System.out.println(objectError.getDefaultMessage()); } //System.out.println(bindingResult.getFieldError().getDefaultMessage()); } return user; } }
Entity
User類
package com.example.demo.validated.without_group.entity; import lombok.Data; import javax.validation.Valid; import javax.validation.constraints.NotBlank; import javax.validation.constraints.NotEmpty; import javax.validation.constraints.NotNull; import java.util.List; @Data public class User { @NotBlank(message = "名字不能為空") private String name; private Integer age; @NotBlank(message = "密碼不能為空") private String password; @NotEmpty(message = "分?jǐn)?shù)不能為空") private List<Integer> scoreArray; @Valid @NotNull(message = "賬戶不能為null") private Account account; }
Account類
package com.example.demo.validated.without_group.entity; import lombok.Data; import javax.validation.constraints.NotBlank; @Data public class Account { @NotBlank(message = "電話號(hào)碼不能為空") private String phoneNumber; private String[] emails; }
測(cè)試
測(cè)試1:缺少字段
postman訪問(wèn):http://localhost:8080/validatedWithoutGroup/normal
postman結(jié)果:
后端結(jié)果:
2021-12-22 16:12:26.549 WARN 79176 --- [nio-8080-exec-7] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 3 errors
Field error in object 'user' on field 'scoreArray': rejected value [null]; codes [NotEmpty.user.scoreArray,NotEmpty.scoreArray,NotEmpty.java.util.List,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.scoreArray,scoreArray]; arguments []; default message [scoreArray]]; default message [分?jǐn)?shù)不能為空]
Field error in object 'user' on field 'password': rejected value [null]; codes [NotBlank.user.password,NotBlank.password,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.password,password]; arguments []; default message [password]]; default message [密碼不能為空]
Field error in object 'user' on field 'account': rejected value [null]; codes [NotNull.user.account,NotNull.account,NotNull.com.example.demo.validated.without_group.entity.Account,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.account,account]; arguments []; default message [account]]; default message [賬戶不能為null]]
測(cè)試2:不缺少字段
postman訪問(wèn):http://localhost:8080/validatedWithoutGroup/normal
postman結(jié)果:
測(cè)試3: 獲得BindingResult
postman訪問(wèn):http://localhost:8080/validatedWithoutGroup/bindingResult
postman結(jié)果:
后端結(jié)果:
分?jǐn)?shù)不能為空
密碼不能為空
賬戶不能為null
用法2:分組
代碼
Controller
package com.example.demo.validated.with_group.controller; import com.example.demo.validated.with_group.entity.User; import com.example.demo.validated.with_group.validatation.IGroupA; import com.example.demo.validated.with_group.validatation.IGroupAll; import com.example.demo.validated.with_group.validatation.IGroupB; import io.swagger.annotations.Api; import io.swagger.annotations.ApiOperation; import org.springframework.validation.BindingResult; import org.springframework.validation.ObjectError; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.*; import java.util.List; @Api(tags = "分組") @RestController @RequestMapping("validatedWithGroup") public class ValidatedWithGroupController { @ApiOperation("使用組:GroupA") @GetMapping("groupA") public User groupA(@Validated({IGroupA.class}) User user) { return user; } @ApiOperation("使用組:GroupB") @GetMapping("groupB") public User groupB(@Validated({IGroupB.class}) User user) { return user; } @ApiOperation("使用組:GroupA和GroupB") @GetMapping("groupAAndGroupB") public User groupAAndGroupB(@Validated({IGroupA.class, IGroupB.class}) User user) { return user; } @ApiOperation("使用組:GroupAll") @GetMapping("groupAll") public User groupAll(@Validated({IGroupAll.class}) User user) { return user; } }
Entity
User類
package com.example.demo.validated.with_group.entity; import com.example.demo.validated.with_group.validatation.IGroupA; import com.example.demo.validated.with_group.validatation.IGroupB; import lombok.Data; import javax.validation.Valid; import javax.validation.constraints.NotBlank; import javax.validation.constraints.NotEmpty; import javax.validation.constraints.NotNull; import java.util.List; @Data public class User { @NotBlank(message = "名字不能為空") private String name; @NotNull(message = "年齡不能為空", groups = {IGroupA.class}) private Integer age; @NotEmpty(message = "密碼不能為空", groups = {IGroupB.class}) private String password; @NotEmpty(message = "分?jǐn)?shù)不能為空", groups = {IGroupA.class, IGroupB.class}) private List<Integer> scoreArray; @Valid @NotNull(message = "賬戶不能為null") private Account account; }
Account類
package com.example.demo.validated.with_group.entity; import lombok.Data; import javax.validation.constraints.NotEmpty; @Data public class Account { @NotEmpty(message = "電話號(hào)碼不能為空") private String phoneNumber; private String[] emails; }
Group
IGroupA接口
package com.example.demo.validated.with_group.validatation; public interface IGroupA { }
IGroupB接口
package com.example.demo.validated.with_group.validatation; public interface IGroupB { }
IGroupAll接口
package com.example.demo.validated.with_group.validatation; import javax.validation.GroupSequence; import javax.validation.groups.Default; @GroupSequence({Default.class, IGroupA.class, IGroupB.class}) public interface IGroupAll { }
測(cè)試
測(cè)試1:無(wú)參數(shù)請(qǐng)求groupA
postman訪問(wèn):http://localhost:8080/validatedWithGroup/groupA
postman結(jié)果:
后端結(jié)果:
2021-12-22 16:32:44.138 WARN 85532 --- [nio-8080-exec-2] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 2 errors
Field error in object 'user' on field 'scoreArray': rejected value [null]; codes [NotEmpty.user.scoreArray,NotEmpty.scoreArray,NotEmpty.java.util.List,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.scoreArray,scoreArray]; arguments []; default message [scoreArray]]; default message [分?jǐn)?shù)不能為空]
Field error in object 'user' on field 'age': rejected value [null]; codes [NotNull.user.age,NotNull.age,NotNull.java.lang.Integer,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.age,age]; arguments []; default message [age]]; default message [年齡不能為空]]
測(cè)試2:無(wú)參數(shù)請(qǐng)求groupB
postman訪問(wèn):http://localhost:8080/validatedWithGroup/groupB
postman結(jié)果:
后端結(jié)果:
2021-12-22 16:33:15.773 WARN 85532 --- [nio-8080-exec-4] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 2 errors
Field error in object 'user' on field 'scoreArray': rejected value [null]; codes [NotEmpty.user.scoreArray,NotEmpty.scoreArray,NotEmpty.java.util.List,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.scoreArray,scoreArray]; arguments []; default message [scoreArray]]; default message [分?jǐn)?shù)不能為空]
Field error in object 'user' on field 'password': rejected value [null]; codes [NotEmpty.user.password,NotEmpty.password,NotEmpty.java.lang.String,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.password,password]; arguments []; default message [password]]; default message [密碼不能為空]]
測(cè)試3:無(wú)參數(shù)請(qǐng)求groupA和groupB
postman訪問(wèn):http://localhost:8080/validatedWithGroup/groupAAndGroupB
postman結(jié)果:
后端結(jié)果:
2021-12-22 16:34:27.652 WARN 85532 --- [nio-8080-exec-6] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 3 errors
Field error in object 'user' on field 'scoreArray': rejected value [null]; codes [NotEmpty.user.scoreArray,NotEmpty.scoreArray,NotEmpty.java.util.List,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.scoreArray,scoreArray]; arguments []; default message [scoreArray]]; default message [分?jǐn)?shù)不能為空]
Field error in object 'user' on field 'age': rejected value [null]; codes [NotNull.user.age,NotNull.age,NotNull.java.lang.Integer,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.age,age]; arguments []; default message [age]]; default message [年齡不能為空]
Field error in object 'user' on field 'password': rejected value [null]; codes [NotEmpty.user.password,NotEmpty.password,NotEmpty.java.lang.String,NotEmpty]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.password,password]; arguments []; default message [password]]; default message [密碼不能為空]]
測(cè)試4:無(wú)參數(shù)請(qǐng)求groupAll
postman訪問(wèn):http://localhost:8080/validatedWithGroup/groupAll
postman結(jié)果:
后端結(jié)果:
2021-12-22 16:36:54.095 WARN 91820 --- [nio-8080-exec-2] .w.s.m.s.DefaultHandlerExceptionResolver : Resolved [org.springframework.validation.BindException: org.springframework.validation.BeanPropertyBindingResult: 2 errors
Field error in object 'user' on field 'name': rejected value [null]; codes [NotBlank.user.name,NotBlank.name,NotBlank.java.lang.String,NotBlank]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.name,name]; arguments []; default message [name]]; default message [名字不能為空]
Field error in object 'user' on field 'account': rejected value [null]; codes [NotNull.user.account,NotNull.account,NotNull.com.example.demo.validated.with_group.entity.Account,NotNull]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [user.account,account]; arguments []; default message [account]]; default message [賬戶不能為null]]
可以看到:走的校驗(yàn)邏輯是沒(méi)有除了IGroupA和IGroupB注解的字段的邏輯。
以上就是SpringBoot參數(shù)校驗(yàn)之@Validated的使用詳解的詳細(xì)內(nèi)容,更多關(guān)于SpringBoot參數(shù)校驗(yàn)@Validated的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章!
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