Java精品项目瑞吉外卖之员工信息管理篇

package com.itheima.reggie.config;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
 * 配置Mybatis-plus分页插件
 * @author jektong
 * @date 2022年05月01日 0:08
 */
@Configuration
public class MybatisPlusConfig {
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor mybatisPlusInterceptor = new MybatisPlusInterceptor();
        mybatisPlusInterceptor.addInnerInterceptor(new PaginationInnerInterceptor());
        return mybatisPlusInterceptor;
    }
}

   /**
     * 员工信息分页查询
     *
     * @param page 当前页
     * @param pageSize 页码
     * @param name 关键字查询
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name) {
        log.info("page={},pageSize={},name={}", page, pageSize, name);
        // 构造分页构造器
        Page pageInfo = new Page(page, pageSize);
        // 构造条件
        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name).or()
                .like(StringUtils.isNotEmpty(name),Employee::getUsername,name);
        // 添加排序
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        // 执行查询
        employeeService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

created() {
          this.init()
          this.user = JSON.parse(localStorage.getItem('userInfo')).username
        },

<el-table-column label="账号状态">
    <template slot-scope="scope">
        {{ String(scope.row.status) === '0' ? '已禁用' : '正常' }}
    </template>
</el-table-column>

//状态修改
statusHandle (row) {
	this.id = row.id
	this.status = row.status
	this.$confirm('确认调整该账号的状态?', '提示', {
		'confirmButtonText': '确定',
		'cancelButtonText': '取消',
		'type': 'warning'
	}).then(() => {
		enableOrDisableEmployee({ 'id': this.id, 'status': !this.status ? 1 : 0 }).then(res => {
			console.log('enableOrDisableEmployee',res)
			if (String(res.code) === '1') {
				this.$message.success('账号状态更改成功！')
				this.handleQuery()
			}
		}).catch(err => {
			this.$message.error('请求出错了：' + err)
		})
	})
},

/**
 * 根据用户ID去修改用户状态
 *  @param request
 *  @param employee
 *  @return
 */
@PostMapping
	public R<String> update(HttpServletRequest request, @RequestBody Employee employee){
	// 获取员工ID
	Long empId = (Long) request.getSession().getAttribute("employee");
	employee.setUpdateTime(LocalDateTime.now());
	employee.setUpdateUser(empId);
	employeeService.updateById(employee);
	return R.success("员工信息修改成功");
}

package com.itheima.reggie.common;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import org.springframework.stereotype.Component;
import java.math.BigInteger;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
/**
 * 对象映射器:基于jackson将Java对象转为json，或者将json转为Java对象
 * 将JSON解析为Java对象的过程称为 [从JSON反序列化Java对象]
 * 从Java对象生成JSON的过程称为 [序列化Java对象到JSON]
 */
@Component
public class JacksonObjectMapper extends ObjectMapper {
    public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
    public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
    public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";
    public JacksonObjectMapper() {
         super();
        //收到未知属性时不报异常
        this.configure(FAIL_ON_UNKNOWN_PROPERTIES, false);
        //反序列化时，属性不存在的兼容处理
        this.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
        SimpleModule simpleModule = new SimpleModule()
                .addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
                .addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
                .addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)))
                .addSerializer(BigInteger.class, ToStringSerializer.instance)
                .addSerializer(Long.class, ToStringSerializer.instance)
                .addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
                .addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
                .addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
        //注册功能模块 例如，可以添加自定义序列化器和反序列化器
        this.registerModule(simpleModule);
    }
}

/**
     * 扩展MVC消息转换器
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器");
        // 创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        // 设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        // 将上面的消息转换器对象追加到MVC框架的转换器集合中
        converters.add(0,messageConverter);
    }