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<String, String> 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
<!-- -->
<template>
<el-row :gutter="20">
<el-col :span="6">
<category></category>
</el-col>
<el-col :span="18">
<div class="mod-config">
<el-form
:inline="true"
:model="dataForm"
@keyup.enter.native="getDataList()"
>
<el-form-item>
<el-input
v-model="dataForm.key"
placeholder="参数名"
clearable
></el-input>
</el-form-item>
<el-form-item>
<el-button @click="getDataList()">查询</el-button>
<el-button
v-if="isAuth('product:attrgroup:save')"
type="primary"
@click="addOrUpdateHandle()"
>新增</el-button
>
<el-button
v-if="isAuth('product:attrgroup:delete')"
type="danger"
@click="deleteHandle()"
:disabled="dataListSelections.length <= 0"
>批量删除</el-button
>
</el-form-item>
</el-form>
<el-table
:data="dataList"
border
v-loading="dataListLoading"
@selection-change="selectionChangeHandle"
style="width: 100%"
>
<el-table-column
type="selection"
header-align="center"
align="center"
width="50"
>
</el-table-column>
<el-table-column
prop="attrGroupId"
header-align="center"
align="center"
label="分组id"
>
</el-table-column>
<el-table-column
prop="attrGroupName"
header-align="center"
align="center"
label="组名"
>
</el-table-column>
<el-table-column
prop="sort"
header-align="center"
align="center"
label="排序"
>
</el-table-column>
<el-table-column
prop="descript"
header-align="center"
align="center"
label="描述"
>
</el-table-column>
<el-table-column
prop="icon"
header-align="center"
align="center"
label="组图标"
>
</el-table-column>
<el-table-column
prop="catelogId"
header-align="center"
align="center"
label="所属分类id"
>
</el-table-column>
<el-table-column
fixed="right"
header-align="center"
align="center"
width="150"
label="操作"
>
<template slot-scope="scope">
<el-button
type="text"
size="small"
@click="addOrUpdateHandle(scope.row.attrGroupId)"
>修改</el-button
>
<el-button
type="text"
size="small"
@click="deleteHandle(scope.row.attrGroupId)"
>删除</el-button
>
</template>
</el-table-column>
</el-table>
<el-pagination
@size-change="sizeChangeHandle"
@current-change="currentChangeHandle"
:current-page="pageIndex"
:page-sizes="[10, 20, 50, 100]"
:page-size="pageSize"
:total="totalPage"
layout="total, sizes, prev, pager, next, jumper"
>
</el-pagination>
<!-- 弹窗, 新增 / 修改 -->
<add-or-update
v-if="addOrUpdateVisible"
ref="addOrUpdate"
@refreshDataList="getDataList"
></add-or-update>
</div>
</el-col>
</el-row>
</template>
<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';
import Category from "../common/category.vue";
import AddOrUpdate from './attrgroup-add-or-update'
export default {
//import引入的组件需要注入到对象中才能使用
components: { Category,AddOrUpdate },
props: {},
data() {
return {
dataForm: {
key: "",
},
dataList: [],
pageIndex: 1,
pageSize: 10,
totalPage: 0,
dataListLoading: false,
dataListSelections: [],
addOrUpdateVisible: false,
};
},
activated () {
this.getDataList()
},
methods: {
// 获取数据列表
getDataList () {
this.dataListLoading = true
this.$http({
url: this.$http.adornUrl('/product/attrgroup/list'),
method: 'get',
params: this.$http.adornParams({
'page': this.pageIndex,
'limit': this.pageSize,
'key': this.dataForm.key
})
}).then(({data}) => {
if (data && data.code === 0) {
this.dataList = data.page.list
this.totalPage = data.page.totalCount
} else {
this.dataList = []
this.totalPage = 0
}
this.dataListLoading = false
})
},
// 每页数
sizeChangeHandle (val) {
this.pageSize = val
this.pageIndex = 1
this.getDataList()
},
// 当前页
currentChangeHandle (val) {
this.pageIndex = val
this.getDataList()
},
// 多选
selectionChangeHandle (val) {
this.dataListSelections = val
},
// 新增 / 修改
addOrUpdateHandle (id) {
this.addOrUpdateVisible = true
this.$nextTick(() => {
this.$refs.addOrUpdate.init(id)
})
},
// 删除
deleteHandle (id) {
var ids = id ? [id] : this.dataListSelections.map(item => {
return item.attrGroupId
})
this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', {
confirmButtonText: '确定',
cancelButtonText: '取消',
type: 'warning'
}).then(() => {
this.$http({
url: this.$http.adornUrl('/product/attrgroup/delete'),
method: 'post',
data: this.$http.adornData(ids, false)
}).then(({data}) => {
if (data && data.code === 0) {
this.$message({
message: '操作成功',
type: 'success',
duration: 1500,
onClose: () => {
this.getDataList()
}
})
} else {
this.$message.error(data.msg)
}
})
})
}
}
};
</script>
<style scoped>
</style>
category.vue
<!-- -->
<template>
<el-tree
:data="menus"
:props="defaultProps"
node-key="catId"
ref="menuTree"
>
</el-tree>
</template>
<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';
export default {
//import引入的组件需要注入到对象中才能使用
components: {},
props: {},
data() {
//这里存放数据
return {
menus: [],
expandedKey: [],
defaultProps: {
children: "children",
label: "name",
}
};
},
//监听属性 类似于data概念
computed: {},
//监控data中的数据变化
watch: {},
//方法集合
methods: {
getMenus() {
this.$http({
url: this.$http.adornUrl("/product/category/list/tree"),
method: "get",
}).then(({ data }) => {
console.log("成功获取到菜单数据...", data.data);
this.menus = data.data;
});
},
},
//生命周期 - 创建完成（可以访问当前this实例）
created() {
this.getMenus();
},
//生命周期 - 挂载完成（可以访问DOM元素）
mounted() {},
beforeCreate() {}, //生命周期 - 创建之前
beforeMount() {}, //生命周期 - 挂载之前
beforeUpdate() {}, //生命周期 - 更新之前
updated() {}, //生命周期 - 更新之后
beforeDestroy() {}, //生命周期 - 销毁之前
destroyed() {}, //生命周期 - 销毁完成
activated() {}, //如果页面有keep-alive缓存功能，这个函数会触发
};
</script>
<style scoped>
</style>
页面展示效果
父子组件交互
category.vue
<!-- -->
<template>
<el-tree
:data="menus"
:props="defaultProps"
node-key="catId"
ref="menuTree"
@node-click="nodeclick"
>
</el-tree>
</template>
<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';
export default {
//import引入的组件需要注入到对象中才能使用
components: {},
props: {},
data() {
//这里存放数据
return {
menus: [],
expandedKey: [],
defaultProps: {
children: "children",
label: "name",
}
};
},
//监听属性 类似于data概念
computed: {},
//监控data中的数据变化
watch: {},
//方法集合
methods: {
getMenus() {
this.$http({
url: this.$http.adornUrl("/product/category/list/tree"),
method: "get",
}).then(({ data }) => {
console.log("成功获取到菜单数据...", data.data);
this.menus = data.data;
});
},
nodeclick(data,node,component){
console.log("子组件category的节点被点击",data,node,component)
//向父组件发送事件
this.$emit("tree-node-click",data,node,component)
}
},
//生命周期 - 创建完成（可以访问当前this实例）
created() {
this.getMenus();
},
//生命周期 - 挂载完成（可以访问DOM元素）
mounted() {},
beforeCreate() {}, //生命周期 - 创建之前
beforeMount() {}, //生命周期 - 挂载之前
beforeUpdate() {}, //生命周期 - 更新之前
updated() {}, //生命周期 - 更新之后
beforeDestroy() {}, //生命周期 - 销毁之前
destroyed() {}, //生命周期 - 销毁完成
activated() {}, //如果页面有keep-alive缓存功能，这个函数会触发
};
</script>
<style scoped>
</style>
attrgroup.vue
<!-- --><template> <el-row :gutter="20"> <el-col :span="6"> <category @tree-node-click="treenodeclick"></category> </el-col> <el-col :span="18"> <div class="mod-config"> <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()" > <el-form-item> <el-input v-model="dataForm.key" placeholder="参数名" clearable ></el-input> </el-form-item> <el-form-item> <el-button @click="getDataList()">查询</el-button> <el-button v-if="isAuth('product:attrgroup:save')" type="primary" @click="addOrUpdateHandle()" >新增</el-button > <el-button v-if="isAuth('product:attrgroup:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0" >批量删除</el-button > </el-form-item> </el-form> <el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle" style="width: 100%" > <el-table-column type="selection" header-align="center" align="center" width="50" > </el-table-column> <el-table-column prop="attrGroupId" header-align="center" align="center" label="分组id" > </el-table-column> <el-table-column prop="attrGroupName" header-align="center" align="center" label="组名" > </el-table-column> <el-table-column prop="sort" header-align="center" align="center" label="排序" > </el-table-column> <el-table-column prop="descript" header-align="center" align="center" label="描述" > </el-table-column> <el-table-column prop="icon" header-align="center" align="center" label="组图标" > </el-table-column> <el-table-column prop="catelogId" header-align="center" align="center" label="所属分类id" > </el-table-column> <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作" > <template slot-scope="scope"> <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.attrGroupId)" >修改</el-button > <el-button type="text" size="small" @click="deleteHandle(scope.row.attrGroupId)" >删除</el-button > </template> </el-table-column> </el-table> <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex" :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage" layout="total, sizes, prev, pager, next, jumper" > </el-pagination> <!-- 弹窗, 新增 / 修改 --> <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList" ></add-or-update> </div> </el-col> </el-row></template><script>/**父子组件传递数据1）子组件给父组件传递数据，事件机制 子组件给父组件发送一个事件，携带上数据 this.$emit(事件名,携带的数据...) *///这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）//例如：import 《组件名称》 from '《组件路径》';import Category from "../common/category.vue";import AddOrUpdate from './attrgroup-add-or-update'export default { //import引入的组件需要注入到对象中才能使用 components: { Category,AddOrUpdate }, props: {}, data() { return { dataForm: { key: "", }, dataList: [], pageIndex: 1, pageSize: 10, totalPage: 0, dataListLoading: false, dataListSelections: [], addOrUpdateVisible: false, }; }, activated () { this.getDataList() }, methods: { //感知树节点被点击 treenodeclick(data,node,component){ console.log("attrgroup感知到category的节点被点击: ",data,node,component); console.log("刚才被点击的菜单id: " ,data.catId) }, // 获取数据列表 getDataList () { this.dataListLoading = true this.$http({ url: this.$http.adornUrl('/product/attrgroup/list'), method: 'get', params: this.$http.adornParams({ 'page': this.pageIndex, 'limit': this.pageSize, 'key': this.dataForm.key }) }).then(({data}) => { if (data && data.code === 0) { this.dataList = data.page.list this.totalPage = data.page.totalCount } else { this.dataList = [] this.totalPage = 0 } this.dataListLoading = false }) }, // 每页数 sizeChangeHandle (val) { this.pageSize = val this.pageIndex = 1 this.getDataList() }, // 当前页 currentChangeHandle (val) { this.pageIndex = val this.getDataList() }, // 多选 selectionChangeHandle (val) { this.dataListSelections = val }, // 新增 / 修改 addOrUpdateHandle (id) { this.addOrUpdateVisible = true this.$nextTick(() => { this.$refs.addOrUpdate.init(id) }) }, // 删除 deleteHandle (id) { var ids = id ? [id] : this.dataListSelections.map(item => { return item.attrGroupId }) this.$confirm(`确定对[id=${ids.join(',')}]进行[${id ? '删除' : '批量删除'}]操作?`, '提示', { confirmButtonText: '确定', cancelButtonText: '取消', type: 'warning' }).then(() => { this.$http({ url: this.$http.adornUrl('/product/attrgroup/delete'), method: 'post', data: this.$http.adornData(ids, false) }).then(({data}) => { if (data && data.code === 0) { this.$message({ message: '操作成功', type: 'success', duration: 1500, onClose: () => { this.getDataList() } }) } else { this.$message.error(data.msg) } }) }) } }};</script><style scoped></style>
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