第185天学习打卡（项目 谷粒商城27 JSR303自定义校验注解 SPU SKU 属性分组效果前端组件抽取 父子组件交互）
JSR303自定义校验注解
gulimall-common valid
ListValue.java
package com.doudou.common.valid;
import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.*;
@Documented
@Constraint(validatedBy = {ListValueConstraintValidator.class})
@Target({ElementType.METHOD, ElementType.FIELD, ElementType.ANNOTATION_TYPE, ElementType.CONSTRUCTOR, ElementType.PARAMETER, ElementType.TYPE_USE})
@Retention(RetentionPolicy.RUNTIME)
public @interface ListValue {
String message() default "{com.doudou.common.valid.ListValue.message}";
Class<?>[] groups() default {};
Class<? extends Payload>[] payload() default {};
int[] vals() default {};
}
ListValueConstraintValidator.java
package com.doudou.common.valid;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;
public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {
private Set<Integer> set = new HashSet<>();
//初始化方法
@Override
public void initialize(ListValue constraintAnnotation) {
int[] vals = constraintAnnotation.vals();
//这里是进行非空判断
for(int val : vals){
set.add(val);
}
}
//判断是否校验成功
/**
*
* @param value 需要校验的值
* @param Context
* @return
*/
@Override
public boolean isValid(Integer value, ConstraintValidatorContext Context) {
return set.contains(value);
}
}
ValidationMessage.properties
com.doudou.common.valid.ListValue.message=必须提交指定的值
gulimall-product controller
BrandEntity .java
package com.doudou.gulimall.product.entity;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import java.io.Serializable;
import com.doudou.common.valid.AddGroup;
import com.doudou.common.valid.ListValue;
import com.doudou.common.valid.UpdateGroup;
import lombok.Data;
import org.hibernate.validator.constraints.URL;
import javax.validation.constraints.*;
/**
* 品牌
*
* @author doudoutj111
* @date 2021-06-19 17:24:02
*/
@Data
@TableName("pms_brand")
public class BrandEntity implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 品牌id
*/
@NotNull(message = "修改必须指定品牌id", groups = {UpdateGroup.class})
@Null(message = "新增不能指定id", groups = {AddGroup.class})
@TableId
private Long brandId;
/**
* 品牌名
*/
@NotBlank(message = "品牌名必须提交", groups = {AddGroup.class, UpdateGroup.class})
private String name;
/**
* 品牌logo地址
*/
@NotBlank(groups = {AddGroup.class})
@URL(message = "logo必须是一个合法的url地址",groups = {AddGroup.class, UpdateGroup.class})
private String logo;
/**
* 介绍
*/
private String descript;
/**
* 显示状态[0-不显示；1-显示]
*/
@ListValue(vals={0,1}, groups = {AddGroup.class})
private Integer showStatus;
/**
* 检索首字母
*/
@NotEmpty(groups = {AddGroup.class})
@Pattern(regexp = "/^[a-zA-Z]$/",message = "检索首字母必须是一个字母",groups = {AddGroup.class, UpdateGroup.class})
private String firstLetter;
/**
* 排序
*/
@NotNull(groups = {AddGroup.class})
@Min(value = 0, message = "排序必须大于等于0",groups = {AddGroup.class, UpdateGroup.class})
private Integer sort;
}
出现的错误 启动gulimallproduct之后测试输出的showStatus是乱码
解决办法
然后重启IDEA才会生效
看某一个类的实现是在这个类上按快捷键是ctrl + h
检验前端时出现的错误 是后端正则表达式的错误
修改正则表达式
gulimall.product.entity
BrandEntity.java
package com.doudou.gulimall.product.entity;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import java.io.Serializable;
import com.doudou.common.valid.AddGroup;
import com.doudou.common.valid.ListValue;
import com.doudou.common.valid.UpdateGroup;
import lombok.Data;
import org.hibernate.validator.constraints.URL;
import javax.validation.constraints.*;
/**
* 品牌
*
* @author doudoutj111
* @date 2021-06-19 17:24:02
*/
@Data
@TableName("pms_brand")
public class BrandEntity implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 品牌id
*/
@NotNull(message = "修改必须指定品牌id", groups = {UpdateGroup.class})
@Null(message = "新增不能指定id", groups = {AddGroup.class})
@TableId
private Long brandId;
/**
* 品牌名
*/
@NotBlank(message = "品牌名必须提交", groups = {AddGroup.class, UpdateGroup.class})
private String name;
/**
* 品牌logo地址
*/
@NotBlank(groups = {AddGroup.class})
@URL(message = "logo必须是一个合法的url地址",groups = {AddGroup.class, UpdateGroup.class})
private String logo;
/**
* 介绍
*/
private String descript;
/**
* 显示状态[0-不显示；1-显示]
*/
@ListValue(vals={0,1}, groups = {AddGroup.class})
private Integer showStatus;
/**
* 检索首字母
*/
@NotEmpty(groups = {AddGroup.class})
@Pattern(regexp = "^[a-zA-Z]$",message = "检索首字母必须是一个字母",groups = {AddGroup.class, UpdateGroup.class})
private String firstLetter;
/**
* 排序
*/
@NotNull(groups = {AddGroup.class})
@Min(value = 0, message = "排序必须大于等于0",groups = {AddGroup.class, UpdateGroup.class})
private Integer sort;
}
状态的检验
点击前端的显示状态出现的问题：
{"msg":"参数格式校验失败","code":10001,"data":{"name":"品牌名必须提交"}}
在gulimall-common valid 新建一个接口
gulimall.product.controller
BrandController.java 中添加一个修改状态
package com.doudou.gulimall.product.controller;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
//import org.apache.shiro.authz.annotation.RequiresPermissions;
import com.doudou.common.valid.AddGroup;
import com.doudou.common.valid.UpdateGroup;
import com.doudou.common.valid.UpdateStatusGroup;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.BindingResult;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.doudou.gulimall.product.entity.BrandEntity;
import com.doudou.gulimall.product.service.BrandService;
import com.doudou.common.utils.PageUtils;
import com.doudou.common.utils.R;
import javax.validation.Valid;
/**
* 品牌
*
* @author doudoutj111
*
* @date 2021-06-19 19:40:52
*/
@RestController
@RequestMapping("product/brand")
public class BrandController {
@Autowired
private BrandService brandService;
/**
* 列表
*/
@RequestMapping("/list")
//@RequiresPermissions("product:brand:list")
public R list(@RequestParam Map<String, Object> params){
PageUtils page = brandService.queryPage(params);
return R.ok().put("page", page);
}
/**
* 信息
*/
@RequestMapping("/info/{brandId}")
// @RequiresPermissions("product:brand:info")
public R info(@PathVariable("brandId") Long brandId){
BrandEntity brand = brandService.getById(brandId);
return R.ok().put("brand", brand);
}
/**
* 保存
*/
@RequestMapping("/save")
// @RequiresPermissions("product:brand:save")
public R save(@Validated({AddGroup.class}) @RequestBody BrandEntity brand/*, BindingResult result*/){
// if(result.hasErrors()){
// Map map = new HashMap<>();
// result.getFieldErrors().forEach((item)->{
// //FieldError获取到错误信息
// String message = item.getDefaultMessage();
// //获取错误属性的名字
// String field = item.getField();
// map.put(field, message);
//
//
//
// });
// return R.error(400,"提交的数据不合法").put("data", map);
//
// }else{
// brandService.save(brand);
// }
brandService.save(brand);
return R.ok();
}
/**
* 修改
*/
@RequestMapping("/update")
// @RequiresPermissions("product:brand:update")
public R update(@Validated(UpdateGroup.class) @RequestBody BrandEntity brand){
brandService.updateById(brand);
return R.ok();
}
/**
* 修改状态
*/
@RequestMapping("/update/status")
// @RequiresPermissions("product:brand:update")
public R updateStatus(@Validated(UpdateStatusGroup.class) @RequestBody BrandEntity brand){
brandService.updateById(brand);
return R.ok();
}
/**
* 删除
*/
@RequestMapping("/delete")
// @RequiresPermissions("product:brand:delete")
public R delete(@RequestBody Long[] brandIds){
brandService.removeByIds(Arrays.asList(brandIds));
return R.ok();
}
}
gulimall.product.entity
BrandEntity.java
package com.doudou.gulimall.product.entity;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import java.io.Serializable;
import com.doudou.common.valid.AddGroup;
import com.doudou.common.valid.ListValue;
import com.doudou.common.valid.UpdateGroup;
import com.doudou.common.valid.UpdateStatusGroup;
import lombok.Data;
import org.hibernate.validator.constraints.URL;
import javax.validation.constraints.*;
/**
* 品牌
*
* @author doudoutj111
* @date 2021-06-19 17:24:02
*/
@Data
@TableName("pms_brand")
public class BrandEntity implements Serializable {
private static final long serialVersionUID = 1L;
/**
* 品牌id
*/
@NotNull(message = "修改必须指定品牌id", groups = {UpdateGroup.class})
@Null(message = "新增不能指定id", groups = {AddGroup.class})
@TableId
private Long brandId;
/**
* 品牌名
*/
@NotBlank(message = "品牌名必须提交", groups = {AddGroup.class, UpdateGroup.class})
private String name;
/**
* 品牌logo地址
*/
@NotBlank(groups = {AddGroup.class})
@URL(message = "logo必须是一个合法的url地址",groups = {AddGroup.class, UpdateGroup.class})
private String logo;
/**
* 介绍
*/
private String descript;
/**
* 显示状态[0-不显示；1-显示]
*/
@NotNull(groups = {AddGroup.class, UpdateStatusGroup.class})
@ListValue(vals={0,1}, groups = {AddGroup.class, UpdateStatusGroup.class})
private Integer showStatus;
/**
* 检索首字母
*/
@NotEmpty(groups = {AddGroup.class})
@Pattern(regexp = "^[a-zA-Z]$",message = "检索首字母必须是一个字母",groups = {AddGroup.class, UpdateGroup.class})
private String firstLetter;
/**
* 排序
*/
@NotNull(groups = {AddGroup.class})
@Min(value = 0, message = "排序必须大于等于0",groups = {AddGroup.class, UpdateGroup.class})
private Integer sort;
}
前端添加一个路径
SPU 与SKU
基本属性【规格参数】与销售属性
属性分组-效果 前端组件抽取
页面展示效果：
接口文档地址：1、分页请求参数 (easydoc.net)
attrgroup.vue
查询
新增
批量删除
修改
删除
category.vue
页面展示效果
父子组件交互
category.vue
attrgroup.vue
查询 新增 批量删除 修改 删除
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