fix:批处理

READ.md

@@ -28,6 +28,12 @@
 
 - 发邮件
 
+- 数据校验规则
+
+- 乱码问题 WebMvcConfigurationSupport
+
+- 批处理
+  
 
 ## 三.链接
 

pom.xml

@@ -15,6 +15,9 @@
     <description>Demo project for Spring Boot</description>
     <properties>
         <java.version>1.8</java.version>
+        <!-- 与1.8配置在一起，设置编码集-->
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
     </properties>
     <dependencies>
         <dependency>
@@ -113,6 +116,14 @@
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-mail</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-batch</artifactId>
+        </dependency>
     </dependencies>
     <build>
         <plugins>

src/main/java/com/kwan/springbootkwan/SpringBootKwanApplication.java

 package com.kwan.springbootkwan;
+import org.springframework.batch.core.configuration.annotation.EnableBatchProcessing;
 import org.springframework.boot.SpringApplication;
 
 import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -6,6 +7,7 @@ import org.springframework.scheduling.annotation.EnableScheduling;
 
 @EnableScheduling
 @SpringBootApplication
+@EnableBatchProcessing
 public class SpringBootKwanApplication {
 
     public static void main(String[] args) {

src/main/java/com/kwan/springbootkwan/config/CsvBatchJobConfig.java

+package com.kwan.springbootkwan.config;
+
+import com.kwan.springbootkwan.entity.Person;
+import org.springframework.batch.core.Job;
+import org.springframework.batch.core.Step;
+import org.springframework.batch.core.configuration.annotation.JobBuilderFactory;
+import org.springframework.batch.core.configuration.annotation.StepBuilderFactory;
+import org.springframework.batch.core.configuration.annotation.StepScope;
+import org.springframework.batch.item.database.BeanPropertyItemSqlParameterSourceProvider;
+import org.springframework.batch.item.database.JdbcBatchItemWriter;
+import org.springframework.batch.item.file.FlatFileItemReader;
+import org.springframework.batch.item.file.mapping.BeanWrapperFieldSetMapper;
+import org.springframework.batch.item.file.mapping.DefaultLineMapper;
+import org.springframework.batch.item.file.transform.DelimitedLineTokenizer;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.io.ClassPathResource;
+
+import javax.sql.DataSource;
+
+@Configuration
+public class CsvBatchJobConfig {
+
+
+    @Autowired
+    JobBuilderFactory jobBuilderFactory;
+    @Autowired
+    StepBuilderFactory stepBuilderFactory;
+    @Autowired
+    DataSource dataSource;
+
+
+    @Bean
+    @StepScope
+    FlatFileItemReader<Person> itemReader() {
+        FlatFileItemReader<Person> reader = new FlatFileItemReader<>();
+        reader.setLinesToSkip(1);
+        reader.setResource(new ClassPathResource("data.csv"));
+        reader.setLineMapper(new DefaultLineMapper<Person>() {{
+            setLineTokenizer(new DelimitedLineTokenizer() {
+                {
+                    setNames("id", "username", "address", "gender");
+                    //配置列与列之间的间隔符（将通过间隔符对每一行的数据进行切分），最后设置要映射的实体类属性即可
+                    setDelimiter(",");
+                }
+            });
+            setFieldSetMapper(new BeanWrapperFieldSetMapper<Person>() {
+                {
+                    setTargetType(Person.class);
+                }
+            });
+
+        }});
+        return reader;
+    }
+
+    @Bean
+    public JdbcBatchItemWriter jdbcBatchItemWriter() {
+        JdbcBatchItemWriter writer = new JdbcBatchItemWriter();
+        writer.setDataSource(dataSource);
+        writer.setSql("insert into person(id, username,address,gender)" + "values (:id, :username, :address, :gender)");
+        writer.setItemSqlParameterSourceProvider(new BeanPropertyItemSqlParameterSourceProvider<>());
+        return writer;
+    }
+
+    @Bean
+    Step csvStep() {
+        return stepBuilderFactory.get("csvStep")
+                .<Person, Person>chunk(2)
+                .reader(itemReader())
+                .writer(jdbcBatchItemWriter())
+                .build();
+    }
+
+    @Bean
+    Job csvJob() {
+        return jobBuilderFactory.get("csvJob")
+                .start(csvStep())
+                .build();
+
+    }
+}

src/main/java/com/kwan/springbootkwan/config/MyWebMvcConfig.java

 package com.kwan.springbootkwan.config;
 
+import org.springframework.boot.validation.MessageInterpolatorFactory;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.web.servlet.config.annotation.CorsRegistry;
-import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
-import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.context.support.ResourceBundleMessageSource;
+import org.springframework.format.FormatterRegistry;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.StringHttpMessageConverter;
+import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
+import org.springframework.validation.MessageCodesResolver;
+import org.springframework.validation.Validator;
+import org.springframework.validation.beanvalidation.LocalValidatorFactoryBean;
+import org.springframework.web.method.support.HandlerMethodArgumentResolver;
+import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
+import org.springframework.web.servlet.HandlerExceptionResolver;
+import org.springframework.web.servlet.config.annotation.*;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
 
 /**
  * 全局webconfig-跨域配置
@@ -14,7 +27,49 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
  * @date : 2022/12/19 16:11
  */
 @Configuration
-public class MyWebMvcConfig implements WebMvcConfigurer {
+public class MyWebMvcConfig extends WebMvcConfigurationSupport implements WebMvcConfigurer {
+
+    @Override
+    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
+        // 解决controller返回字符串中文乱码问题
+        for (HttpMessageConverter<?> converter : converters) {
+            if (converter instanceof StringHttpMessageConverter) {
+                ((StringHttpMessageConverter) converter).setDefaultCharset(StandardCharsets.UTF_8);
+            } else if (converter instanceof MappingJackson2HttpMessageConverter) {
+                ((MappingJackson2HttpMessageConverter) converter).setDefaultCharset(StandardCharsets.UTF_8);
+            }
+        }
+    }
+
+    @Override
+    public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {
+        WebMvcConfigurer.super.configureHandlerExceptionResolvers(resolvers);
+    }
+
+    @Override
+    public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {
+        WebMvcConfigurer.super.extendHandlerExceptionResolvers(resolvers);
+    }
+
+    @Override
+    public Validator getValidator() {
+        ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
+        messageSource.setDefaultEncoding("utf-8");// 读取配置文件的编码格式
+        messageSource.setCacheMillis(-1);// 缓存时间，-1表示不过期
+        messageSource.setBasename("ValidationMessages");// 配置文件前缀名，设置为Messages,那你的配置文件必须以Messages.properties/Message_en.properties...
+
+        LocalValidatorFactoryBean factoryBean = new LocalValidatorFactoryBean();
+        MessageInterpolatorFactory interpolatorFactory = new MessageInterpolatorFactory();
+        factoryBean.setMessageInterpolator(interpolatorFactory.getObject());
+        factoryBean.setValidationMessageSource(messageSource);
+        return factoryBean;
+    }
+
+    @Override
+    public MessageCodesResolver getMessageCodesResolver() {
+        return WebMvcConfigurer.super.getMessageCodesResolver();
+    }
+
     /**
      * 配置静态资源
      *
@@ -26,6 +81,31 @@ public class MyWebMvcConfig implements WebMvcConfigurer {
                 .addResourceLocations("classpath:/static/");
     }
 
+    @Override
+    public void configurePathMatch(PathMatchConfigurer configurer) {
+        WebMvcConfigurer.super.configurePathMatch(configurer);
+    }
+
+    @Override
+    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {
+        WebMvcConfigurer.super.configureContentNegotiation(configurer);
+    }
+
+    @Override
+    public void configureAsyncSupport(AsyncSupportConfigurer configurer) {
+        WebMvcConfigurer.super.configureAsyncSupport(configurer);
+    }
+
+    @Override
+    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
+        WebMvcConfigurer.super.configureDefaultServletHandling(configurer);
+    }
+
+    @Override
+    public void addFormatters(FormatterRegistry registry) {
+        WebMvcConfigurer.super.addFormatters(registry);
+    }
+
     /**
      * 配置拦截器
      *
@@ -51,4 +131,29 @@ public class MyWebMvcConfig implements WebMvcConfigurer {
                 .maxAge(1800)
                 .allowedOrigins("http://localhost:8081");
     }
+
+    @Override
+    public void addViewControllers(ViewControllerRegistry registry) {
+        WebMvcConfigurer.super.addViewControllers(registry);
+    }
+
+    @Override
+    public void configureViewResolvers(ViewResolverRegistry registry) {
+        WebMvcConfigurer.super.configureViewResolvers(registry);
+    }
+
+    @Override
+    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {
+        WebMvcConfigurer.super.addArgumentResolvers(resolvers);
+    }
+
+    @Override
+    public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> handlers) {
+        WebMvcConfigurer.super.addReturnValueHandlers(handlers);
+    }
+
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        WebMvcConfigurer.super.configureMessageConverters(converters);
+    }
 }

src/main/java/com/kwan/springbootkwan/controller/PersonController.java

@@ -5,6 +5,9 @@ import com.kwan.springbootkwan.entity.User;
 import com.kwan.springbootkwan.service.IUserService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
+import org.springframework.batch.core.Job;
+import org.springframework.batch.core.JobParameters;
+import org.springframework.batch.core.launch.JobLauncher;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
@@ -22,6 +25,12 @@ import java.util.List;
 @RestController
 @RequestMapping("/person")
 public class PersonController {
+
+    @Autowired
+    private JobLauncher jobLauncher;
+    @Autowired
+    private Job job;
+
     /**
      * {
      * "name": "zhang san",
@@ -33,9 +42,18 @@ public class PersonController {
     @GetMapping("/person")
     public Person person() {
         Person person = new Person();
-        person.setName("zhang san");
-        person.setAge(24);
-        person.setBirthday(new Date());
+        person.setUsername("zhang san");
+        person.setId(24);
+        person.setAddress("湖北");
         return person;
     }
+
+    @GetMapping("/hello")
+    public void hello() {
+        try {
+            jobLauncher.run(job, new JobParameters());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
 }
\ No newline at end of file

src/main/java/com/kwan/springbootkwan/controller/UserController.java

 package com.kwan.springbootkwan.controller;
 
+import com.kwan.springbootkwan.entity.Student;
 import com.kwan.springbootkwan.entity.User;
 import com.kwan.springbootkwan.service.IUserService;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpRequest;
+import org.springframework.validation.BindingResult;
+import org.springframework.validation.ObjectError;
+import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 
+import javax.servlet.http.HttpServletRequest;
+import java.io.UnsupportedEncodingException;
+import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -38,4 +46,18 @@ public class UserController {
     public User getUserById(@PathVariable Integer id) {
         return userService.getUserById(id);
     }
+
+
+    @PostMapping(value = "/student",produces = "application/json;charset=utf-8")
+    public List<String> addUser(@RequestBody @Validated Student student, BindingResult result ) throws UnsupportedEncodingException {
+        List<String> errors = new ArrayList<>();
+        if (result.hasErrors()) {
+            List<ObjectError> allErrors = result.getAllErrors();
+            for (ObjectError error : allErrors) {
+                errors.add(error.getDefaultMessage());
+            }
+        }
+        log.info("errors={}", errors);
+        return errors;
+    }
 }
\ No newline at end of file

src/main/java/com/kwan/springbootkwan/entity/MailInfo.java

 package com.kwan.springbootkwan.entity;
 
+import io.swagger.annotations.ApiModelProperty;
 import lombok.Data;
 
 import java.util.Map;
@@ -13,16 +14,16 @@ import java.util.Map;
  */
 @Data
 public class MailInfo {
-    // 邮件接收人
+    @ApiModelProperty(value = "邮件接收人")
     private String[] receiver;
-    // 邮件主题
+    @ApiModelProperty(value = "邮件主题")
     private String subject;
-    // 邮件的文本内容
+    @ApiModelProperty(value = "邮件的文本内容")
     private String content;
-    // 抄送人
+    @ApiModelProperty(value = "抄送人")
     private String[] cc;
-    // 邮件附件的文件名
+    @ApiModelProperty(value = "邮件附件的文件名")
     private String[] attachFileNames;
-    // 邮件内容内嵌图片
+    @ApiModelProperty(value = "邮件内容内嵌图片")
     private Map<String, String> imageMap;
 }

src/main/java/com/kwan/springbootkwan/entity/Person.java

 package com.kwan.springbootkwan.entity;
 
-import com.fasterxml.jackson.annotation.JsonFormat;
+import com.baomidou.mybatisplus.annotation.TableName;
 import io.swagger.annotations.ApiModel;
 import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
 
-import java.util.Date;
-
+@Data
+@TableName(value = "person")
 @ApiModel(value = "用户基本信息")
 public class Person {
-    @ApiModelProperty(value = "姓名")
-    private String name;
-    @ApiModelProperty(value = "年龄")
-    private Integer age;
-    @ApiModelProperty(value = "生日")
-    @JsonFormat(pattern = "yyyy-MM-dd")
-    private Date birthday;
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(String name) {
-        this.name = name;
-    }
-
-    public Integer getAge() {
-        return age;
-    }
-
-    public void setAge(Integer age) {
-        this.age = age;
-    }
-
-    public Date getBirthday() {
-        return birthday;
-    }
-
-    public void setBirthday(Date birthday) {
-        this.birthday = birthday;
-    }
+    @ApiModelProperty(value = "主键")
+    private Integer id;
+    @ApiModelProperty(value = "名称")
+    private String username;
+    @ApiModelProperty(value = "地址")
+    private String address;
+    @ApiModelProperty(value = "性别")
+    private String gender;
 }
\ No newline at end of file

src/main/java/com/kwan/springbootkwan/entity/Student.java

+package com.kwan.springbootkwan.entity;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import javax.validation.constraints.*;
+
+/**
+ * 数据校验
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @Size 示一个字符串的长度或者一个集合的大小，必须在某一个范围中； min 参数表示范围的下限； max参数表示范围的上限； message 表示校验失败时的提示信息。
+ * @NotNull 注解表示该字段不能为空。
+ * @DecimalMin 注解表示对应属性值的下限，＠DecimalMax 注解表示对应属性值的上限
+ * @Email 注解表示对应属性格式是一个 Email
+ * @date : 2022/12/20 09:00
+ */
+@Data
+public class Student {
+    @ApiModelProperty(value = "主键")
+    private Integer id;
+    @ApiModelProperty(value = "姓名")
+    @Size(min = 5, max = 10, message = "{user.name.size}")
+    private String name;
+    @ApiModelProperty(value = "地址")
+    @NotNull(message = "{user.address.notnull}")
+    private String address;
+    @ApiModelProperty(value = "年龄")
+    @DecimalMin(value = "1", message = "{user.age.size}")
+    @DecimalMax(value = "200", message = "{user.age.size}")
+    private Integer age;
+    @ApiModelProperty(value = "邮箱")
+    @Email(message = "{user.email.pattern}")
+    @NotNull(message = "{user.email.notnull}")
+    private String email;
+}

src/main/resources/ValidationMessages.properties

+user.name.size=用户名的长度在5到10个字符之间
+user.address.notnull=用户地址不能为空
+user.age.size=年龄输入不正确
+user.email.notnull=邮箱不能为空
+user.email.pattern=不正确的电子邮件格式
\ No newline at end of file

src/main/resources/application.yaml

 server:
   port: 8761
+  servlet:
+    encoding:
+      force: true
+      charset: UTF-8
+      enabled: true
 
 swagger:
   enable: true
 
 #兼容swagger配置
 spring:
+  #项目启动时创建数据表的 SQL 脚本，该脚本由 Spring Batch 提供
+  #spring.datasource.schema=classpath:/org/springframework/batch/core/schema-mysql.sql
+  # 在项目启动时执行建表 SQL
+  batch:
+    initialize-schema: always
+    # 禁止 Spring Batch 自动执行，在 SpringBoot 中，默认情况，当项目启动时就会执行配置好的批理操作，添加了该配置后则不会自动执行，而需要用户手动触发执行
+    job:
+      enabled: false
   mail:
     host: smtp.qq.com
     # 发送者的邮箱账号

src/main/resources/data.csv

+id,username,address,gender
+1,张三,成都,男
+2,李四,深圳,女
+3,张三,成都,男
+4,李四,深圳,女
\ No newline at end of file