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This article mainly introduces "how to check the springboot parameter format". In the daily operation, I believe many people have doubts about how to check the springboot parameter format. The editor consulted all kinds of data and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "how to check the springboot parameter format". Next, please follow the editor to study!

Springboot parameter format check

@ Validated

Literal meaning check

@ RequestBody

Needless to say, this annotation means to receive parameters in json format

@ Validated

Literal verification, which requires @ NotBlank or @ NotNull annotations to take effect.

Enter the request body parameters.

Springboot parameter annotation check 1. Add dependency org.springframework.boot spring-boot-starter-validation package com.xl.annotation;import lombok.Data;import org.hibernate.validator.constraints.Length;import org.hibernate.validator.constraints.Range;import javax.validation.constraints.*;import java.math.BigDecimal;import java.util.Date @ Datapublic class User {@ NotNull (message = "ID cannot be empty") @ Range (min = 1, max = 100, message = "ID must be between 1 and 100") private Integer id; @ NotNull (message = "name cannot be empty") @ Length (min = 2, max = 6, message = "name must be between 2 and 6 digits") private String name @ NotNull (message = "balance cannot be empty") @ DecimalMax (value = "30.50", message = "balance cannot exceed 30.5") @ DecimalMin (value = "1.50", message = "balance cannot be less than 1.5") private BigDecimal amount; @ NotNull (message = "birthday cannot be empty") @ Past (message = "birthday must be a thing of the past") private Date birthday @ NotBlank (message = "mailbox cannot be empty") @ Email (message = "incorrect mailbox format") private String email @ NotBlank (message = "Mobile number cannot be empty") @ Pattern (regexp = "^ (13 [0-9])) | (14 [579]) | (15 ([0-3] | [5-9])) | (16 [6]) | (17 [0135678]) | (18 [0-9]) | (19 [89]) d {8}) $", message = "incorrect Mobile number format") private String phone } 2.controller layer package com.xl.annotation;import io.swagger.annotations.Api;import io.swagger.annotations.ApiOperation;import io.swagger.annotations.ApiParam;import org.springframework.validation.BindingResult;import org.springframework.validation.ObjectError;import org.springframework.validation.annotation.Validated;import org.springframework.web.bind.annotation.*;import javax.validation.ValidationException;import javax.validation.constraints.Max;import javax.validation.constraints.NotNull @ RestController@Validated@Api (value = "Mobile Verification", description = "Mobile Verification") public class MobileController {@ ApiOperation ("Mobile Verification") @ RequestMapping ("/ phone") public String mobilePattern (Phone phone) {return "chengg" } @ PostMapping ("/ getUser") @ ApiOperation ("Mobile Verification 12") public String getUserStr (@ NotNull (message = "name cannot be empty") @ RequestParam String name, @ Max (value = 99, message = "not older than 99") @ RequestParam Integer age) {return "name:" + name + ", age:" + age " } / * @ PostMapping ("/ getUser1") @ ApiOperation ("Mobile Verification c") public String getUser (@ RequestBody @ Validated User user, BindingResult bindingResult) {validData (bindingResult); return "name:" + user.getName () + ", age:" + user.getAge ();} * / private void validData (BindingResult bindingResult) {if (bindingResult.hasErrors ()) {StringBuffer sb = new StringBuffer () For (ObjectError error: bindingResult.getAllErrors ()) {sb.append (error.getDefaultMessage ());} throw new ValidationException (sb.toString ()) } @ PostMapping ("/ test") @ ApiOperation (value = "Test", notes = "") public String test (@ ApiParam (name = "test", value = "Parameter", required = true) @ Validated @ RequestBody User test, BindingResult bindingResult) {validData (bindingResult); if (bindingResult.hasErrors ()) {String errorMsg = bindingResult.getFieldError (). GetDefaultMessage (); return errorMsg } return "Parameter verification passed";}} 3. Customize a class package com.xl.annotation;import org.springframework.http.HttpStatus;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.ValidationException;import java.util.Set that throws an exception / * * Custom validation throws an exception * / @ RestControllerAdvicepublic class GlobalExceptionHandler {@ ExceptionHandler (ValidationException.class) @ ResponseStatus (HttpStatus.BAD_REQUEST) public String handle (ValidationException exception) {if (exception instanceof ConstraintViolationException) {ConstraintViolationException exs = (ConstraintViolationException) exception; Set

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