Seamless integration of multiple languages: the ultimate guide to parameter verification (1)!

Tech 2023-05-29 21:02:30 Source: Network

SpringBoot /** * */ @Email(message = "") @NotBlank(message = "") @ApiModelProperty(notes = "", required = true) private String accountName; APP idea LoginBo@Datapublic class LoginBo { /** * */ @NotBlank(message = "") private String accountName; /** * */ @NotBlank(message = "") private String password;}ResultVopublic class ResultVo<T> { private String code; private String msg; private T data; public ResultVo() { } public ResultVo(String code, String msg) { this(code, msg, null); } public ResultVo(String code, String msg, T data) { this.code = code; this

SpringBoot

    /**     *      */    @Email(message = "")    @NotBlank(message = "")    @ApiModelProperty(notes = "", required = true)    private String accountName;

APP

idea

LoginBo

@Datapublic class LoginBo {    /**     *      */    @NotBlank(message = "")    private String accountName;    /**     *      */    @NotBlank(message = "")    private String password;}

ResultVo

public class ResultVo<T> {    private String code;    private String msg;    private T data;    public ResultVo() {    }    public ResultVo(String code, String msg) {        this(code, msg, null);    }    public ResultVo(String code, String msg, T data) {        this.code = code;        this.msg = msg;        this.data = data;    }    // }

TestController

@RestController@RequestMapping("/test")public class TestController {    @PostMapping("/demo")    public ResultVo<Void> demo(@RequestBody @Validated LoginBo bo) {        System.out.println(bo);        return ResultVo.success();    }}

GlobalExceptionHandler

@Component@RestControllerAdvicepublic class GlobalExceptionHandler {    /**     *      *     * @param e BindException     * @return ResultVo<Void>     */    @ExceptionHandler(BindException.class)    public ResultVo<Void> handlerBindException(BindException e) {        return ResultVo.failure(this.buildMsg(e.getBindingResult()));    }    /**     *      *     * @param e MethodArgumentNotValidException     * @return ResultVo<Void>     */    @ExceptionHandler(MethodArgumentNotValidException.class)    public ResultVo<Void> handlerMethodArgumentNotValidException(MethodArgumentNotValidException e) {        return ResultVo.failure(buildMsg(e.getBindingResult()));    }    /**     *      *     * @param bindingResult BindingResult     * @return String     */    private String buildMsg(BindingResult bindingResult) {        StringBuilder builder = new StringBuilder(32);        for (FieldError error : bindingResult.getFieldErrors()) {            builder.append(", [").append(error.getField()).append(":").append(error.getDefaultMessage()).append("]");        }        return builder.substring(2);    }}

message

Spring Boot messages.properties messages_zh_CN.properties

messages_zh_CN

account.name=password=

messages_en_US

account.name=account name cannot be emptypassword=password cannot be empty

@Datapublic class LoginBo {    /**     *      */    @NotBlank(message = "{account.name}")    private String accountName;    /**     *      */    @NotBlank(message = "{password}")    private String password;}

@Configurationpublic class ValidationConfig {    @Bean    public MessageSource messageSource() {        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();        //         messageSource.setBasename("messages_zh_CN");        messageSource.setDefaultEncoding("UTF-8");        return messageSource;    }    @Bean    public LocalValidatorFactoryBean validator(MessageSource messageSource) {        LocalValidatorFactoryBean validatorFactoryBean = new LocalValidatorFactoryBean();        validatorFactoryBean.setValidationMessageSource(messageSource);        return validatorFactoryBean;    }}

@Configurationpublic class ValidationConfig {    @Bean    public MessageSource messageSource() {        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();        messageSource.setBasename("messages_en_US");        messageSource.setDefaultEncoding("UTF-8");        return messageSource;    }    @Bean    public LocalValidatorFactoryBean validator(MessageSource messageSource) {        LocalValidatorFactoryBean validatorFactoryBean = new LocalValidatorFactoryBean();        validatorFactoryBean.setValidationMessageSource(messageSource);        return validatorFactoryBean;    }}

# server:  port: 10000# app:  default:    language: zh_CN

@Slf4j@Configurationpublic class ValidationConfig {    @Value("${app.default.language}")    private String defaultLanguage;    @Bean    public MessageSource messageSource() {        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();        messageSource.setBasename("messages_" + defaultLanguage);        messageSource.setDefaultEncoding("UTF-8");        log.info("Message Source init suc -> lang:{}", defaultLanguage);        return messageSource;    }    @Bean    public LocalValidatorFactoryBean validator(MessageSource messageSource) {        LocalValidatorFactoryBean validatorFactoryBean = new LocalValidatorFactoryBean();        validatorFactoryBean.setValidationMessageSource(messageSource);        return validatorFactoryBean;    }}

setBasename

basename ResourceBundle

@Beanpublic MessageSource messageSource() {    ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();    messageSource.setBasename("messages_en_US");    messageSource.setDefaultEncoding("UTF-8");    return messageSource;}

@Beanpublic MessageSource messageSource() {    ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();    messageSource.setBasename("messages");    messageSource.setDefaultEncoding("UTF-8");    return messageSource;}

basename ResourceBundle

ResourceBundle

ResourceBundle Java Locale

LocaleResourceBundle
ResourceBundle
ResourceBundle ResourceBundle Locale

Locale

Spring Boot Locale Locale.getDefault() Locale.getDefault() JVM Locale

Spring Boot Locale JVM Spring Boot Locale

basename basename ResourceBundle ResourceBundle Spring Boot Locale

ResourceBundle {xx.xxx}

@Slf4j@Configurationpublic class ValidationConfig {    @Bean    public MessageSource messageSource() {        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();        messageSource.setBasename("messages");        messageSource.setDefaultEncoding("UTF-8");        return messageSource;    }    @Bean    public LocalValidatorFactoryBean validator(MessageSource messageSource) {        LocalValidatorFactoryBean validatorFactoryBean = new LocalValidatorFactoryBean();        validatorFactoryBean.setValidationMessageSource(messageSource);        return validatorFactoryBean;    }}

spring boot Locale JVM

LocaleResolver

@Slf4j@Configurationpublic class ValidationConfig {    @Value("${app.default.language}")    private String defaultLanguage;    @Bean    public MessageSource messageSource() {        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();        messageSource.setBasename("messages");        messageSource.setDefaultEncoding("UTF-8");        return messageSource;    }    @Bean    public LocaleResolver localeResolver() {        SessionLocaleResolver resolver = new SessionLocaleResolver();        resolver.setDefaultLocale(new Locale(defaultLanguage));        return resolver;    }    @Bean    public LocalValidatorFactoryBean validator(MessageSource messageSource) {        LocalValidatorFactoryBean validatorFactoryBean = new LocalValidatorFactoryBean();        validatorFactoryBean.setValidationMessageSource(messageSource);        return validatorFactoryBean;    }}

Spring BootLocale

x-langnacosmysql

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