SpringBoot数据校验
#Hideonbush 人气:01.pom.xml
<?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 https://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>2.6.3</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.yl</groupId> <artifactId>validation</artifactId> <version>0.0.1-SNAPSHOT</version> <name>validation</name> <description>Demo project for Spring Boot</description> <properties> <java.version>11</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-validation</artifactId> </dependency> <artifactId>spring-boot-starter-web</artifactId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>
2.实体类,注意:可以不用加ValidationMessages.properties文件,可以直接在message=""地方直接写上报错信息
package com.yl.validation.model; import com.yl.validation.validation.ValidationGroup1; import com.yl.validation.validation.ValidationGroup2; import javax.validation.constraints.*; import java.io.Serializable; public class User implements Serializable { private Integer id; //校验字符串长度 @Size(min = 3,max = 8,message = "{user.username.size}",groups = ValidationGroup1.class) private String username; //非空校验 @NotNull(message = "{user.password.notnull}") private String password; //数值范围校验 @DecimalMin(value = "15",message = "{user.age.min}",groups = {ValidationGroup1.class, ValidationGroup2.class}) @DecimalMax(value = "30",message = "{user.age.max}",groups = {ValidationGroup1.class, ValidationGroup2.class}) private Integer age; //非空校验 @NotNull(message = "{user.email.notnull}") //邮箱格式校验 @Email(message = "{user.email.pattern}") private String email; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } public String getEmail() { return email; } public void setEmail(String email) { this.email = email; } @Override public String toString() { return "User{" + "id=" + id + ", username='" + username + '\'' + ", password='" + password + '\'' + ", age=" + age + ", email='" + email + '\'' + '}'; } }
3.controller
package com.yl.validation.controller; import com.yl.validation.model.User; import com.yl.validation.validation.ValidationGroup1; import com.yl.validation.validation.ValidationGroup2; import org.springframework.validation.BindingResult; import org.springframework.validation.ObjectError; import org.springframework.validation.annotation.Validated; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RestController; import java.util.List; @RestController public class UserController { @PostMapping("/addUser") public void addUser(@Validated(ValidationGroup2.class) User user, BindingResult result) { if (result != null && result.hasErrors()) { List<ObjectError> allErrors = result.getAllErrors(); for (ObjectError objectError : allErrors) { System.out.println(objectError.getDefaultMessage()); } } } }
4.ValidationMessages.Properties,手动新建放在resources目录下
user.username.size=用户名的长度应为3到8 user.password.notnull=密码不能为空 user.age.min=年龄最小值为15 user.age.max=年龄最大值为30 user.email.notnull=邮箱不能为空 user.email.pattern=邮箱格式不正确
5.组一
package com.yl.validation.validation; public interface ValidationGroup1 { }
6.组二
package com.yl.validation.validation; public interface ValidationGroup2 { }
7.测试结果,由于分了组,发现只有年龄校验有效!
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