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上一小节我们详细讲述了 uni-app全栈开发vite环境及插件配置管理。接下来我们需要对我们的项目工程 uniapp-demo 做一个结构划分，分类存放我们的工程文件
1、自动注入全局 API ,避免繁琐的API引入
//根目录创建declare文件，存放auto-imports.d.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:52:03
* @Description: 自动注入全局API
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
declare global {
const app: typeof import('@/app/index')['app']
const assert: typeof import('power-assert')['default']
const computed: typeof import('vue')['computed']
const createApp: typeof import('vue')['createApp']
const customRef: typeof import('vue')['customRef']
const defineAsyncComponent: typeof import('vue')['defineAsyncComponent']
const defineComponent: typeof import('vue')['defineComponent']
const effectScope: typeof import('vue')['effectScope']
const EffectScope: typeof import('vue')['EffectScope']
const getCurrentInstance: typeof import('vue')['getCurrentInstance']
const getCurrentScope: typeof import('vue')['getCurrentScope']
const h: typeof import('vue')['h']
const inject: typeof import('vue')['inject']
const isReadonly: typeof import('vue')['isReadonly']
const isRef: typeof import('vue')['isRef']
const markRaw: typeof import('vue')['markRaw']
const nextTick: typeof import('vue')['nextTick']
const onActivated: typeof import('vue')['onActivated']
const onAddToFavorites: typeof import('@dcloudio/uni-app')['onAddToFavorites']
const onBackPress: typeof import('@dcloudio/uni-app')['onBackPress']
const onBeforeMount: typeof import('vue')['onBeforeMount']
const onBeforeUnmount: typeof import('vue')['onBeforeUnmount']
const onBeforeUpdate: typeof import('vue')['onBeforeUpdate']
const onDeactivated: typeof import('vue')['onDeactivated']
const onError: typeof import('@dcloudio/uni-app')['onError']
const onErrorCaptured: typeof import('vue')['onErrorCaptured']
const onHide: typeof import('@dcloudio/uni-app')['onHide']
const onLaunch: typeof import('@dcloudio/uni-app')['onLaunch']
const onLoad: typeof import('@dcloudio/uni-app')['onLoad']
const onMounted: typeof import('vue')['onMounted']
const onNavigationBarButtonTap: typeof import('@dcloudio/uni-app')['onNavigationBarButtonTap']
const onNavigationBarSearchInputChanged: typeof import('@dcloudio/uni-app')['onNavigationBarSearchInputChanged']
const onNavigationBarSearchInputClicked: typeof import('@dcloudio/uni-app')['onNavigationBarSearchInputClicked']
const onNavigationBarSearchInputConfirmed: typeof import('@dcloudio/uni-app')['onNavigationBarSearchInputConfirmed']
const onNavigationBarSearchInputFocusChanged: typeof import('@dcloudio/uni-app')['onNavigationBarSearchInputFocusChanged']
const onPageNotFound: typeof import('@dcloudio/uni-app')['onPageNotFound']
const onPageScroll: typeof import('@dcloudio/uni-app')['onPageScroll']
const onPullDownRefresh: typeof import('@dcloudio/uni-app')['onPullDownRefresh']
const onReachBottom: typeof import('@dcloudio/uni-app')['onReachBottom']
const onReady: typeof import('@dcloudio/uni-app')['onReady']
const onRenderTracked: typeof import('vue')['onRenderTracked']
const onRenderTriggered: typeof import('vue')['onRenderTriggered']
const onResize: typeof import('@dcloudio/uni-app')['onResize']
const onScopeDispose: typeof import('vue')['onScopeDispose']
const onServerPrefetch: typeof import('vue')['onServerPrefetch']
const onShareAppMessage: typeof import('@dcloudio/uni-app')['onShareAppMessage']
const onShareTimeline: typeof import('@dcloudio/uni-app')['onShareTimeline']
const onShow: typeof import('@dcloudio/uni-app')['onShow']
const onTabItemTap: typeof import('@dcloudio/uni-app')['onTabItemTap']
const onThemeChange: typeof import('@dcloudio/uni-app')['onThemeChange']
const onUnhandledRejection: typeof import('@dcloudio/uni-app')['onUnhandledRejection']
const onUnload: typeof import('@dcloudio/uni-app')['onUnload']
const onUnmounted: typeof import('vue')['onUnmounted']
const onUpdated: typeof import('vue')['onUpdated']
const provide: typeof import('vue')['provide']
const reactive: typeof import('vue')['reactive']
const readonly: typeof import('vue')['readonly']
const ref: typeof import('vue')['ref']
const resolveComponent: typeof import('vue')['resolveComponent']
const ScrollSymbol: typeof import('@/hooks')['ScrollSymbol']
const shallowReactive: typeof import('vue')['shallowReactive']
const shallowReadonly: typeof import('vue')['shallowReadonly']
const shallowRef: typeof import('vue')['shallowRef']
const toRaw: typeof import('vue')['toRaw']
const toRef: typeof import('vue')['toRef']
const toRefs: typeof import('vue')['toRefs']
const triggerRef: typeof import('vue')['triggerRef']
const unref: typeof import('vue')['unref']
const useAttrs: typeof import('vue')['useAttrs']
const useCssModule: typeof import('vue')['useCssModule']
const useCssVars: typeof import('vue')['useCssVars']
const useQuery: typeof import('@/hooks')['useQuery']
const useScroll: typeof import('@/hooks')['useScroll']
const useSlots: typeof import('vue')['useSlots']
const watch: typeof import('vue')['watch']
const watchEffect: typeof import('vue')['watchEffect']
}
export {}
//注意：在上一节 imports.config.ts 文件导出全局配置
dts: 'declare/auto-imports.d.ts',2、完善src文件工程结构
src下创建store文件，并完善工程文件（状态管理）
//新建src/store/index.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:04:03
* @Description: 请求封装
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import { InjectionKey} from 'vue'
import { createStore } from 'vuex'
import { store as app, AppState, AppStore } from '@/store/modules/app'
import getters from './getters'
export const key: InjectionKey<Store> = Symbol()
export interface RootState {
app: AppState
}
export type Store = AppStore<Pick<RootState, 'app'>>
export const store = createStore<RootState>({
modules: {
app
},
getters
})
export function useStore(): Store {
return store as Store
}
//新建src/store/getters.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:15:22
* @Description: 请求封装
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import { RootState } from '@/store'
export default {
token: (state: RootState) => state.app.token,
}
//新建modules src/store/modules/app/index.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:19:59
* @Description: 请求封装
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import { Store as VuexStore, CommitOptions, DispatchOptions, Module } from 'vuex'
import { RootState } from '@/store'
import { state } from './state'
import { actions, Actions } from './ations'
import { mutations, Mutations } from './mutations'
import type { AppState } from './state'
export { AppState }
export type AppStore<S = AppState> = Omit<VuexStore<S>, 'getters' | 'commit' | 'dispatch'> & {
commit<K extends keyof Mutations, P extends Parameters<Mutations[K]>[1]>(
key: K,
payload: P,
options?: CommitOptions
): ReturnType<Mutations[K]>
} & {
dispatch<K extends keyof Actions>(
key: K,
payload: Parameters<Actions[K]>[1],
options?: DispatchOptions
): ReturnType<Actions[K]>
}
export const store: Module<AppState, RootState> = {
state,
actions,
mutations,
}
//新建modules src/store/modules/app/state.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:19:59
* @Description: state
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import {reactive} from 'vue'
export interface AppState {
token: string,
num:number,
userData: Array<any>
}
export const state: AppState = reactive({
token: '',
num:0,
userData:{}
})
//新建modules src/store/modules/app/action-types.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:22:12
* @Description: action-types类型约束
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
export enum AppActionTypes {
ACTION_LOGIN = 'ACTION_LOGIN',
CLEAR_TOKEN = 'CLEAR_TOKEN',
EDIT_USER_MSG = 'EDIT_USER_MSG',
SET_NUM = 'SET_NUM'
}
//新建modules src/store/modules/app/action.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:20:58
* @Description: action
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import { ActionTree, ActionContext } from 'vuex'
import { RootState } from '@/store'
import { AppState } from './state'
import { Mutations } from './mutations'
import { AppActionTypes } from './action-types'
import { AppMutationTypes } from './mutation-types'
type AugmentedActionContext = {
commit<K extends keyof Mutations>(key: K, payload: Parameters<Mutations[K]>[1]): ReturnType<Mutations[K]>
} & Omit<ActionContext<AppState, RootState>, 'commit'>
// export interface Actions {
// [AppActionTypes.ACTION_RESET_TOKEN]({ commit }: AugmentedActionContext): void
// }
export const actions: ActionTree<AppState, RootState> & Actions = {
[AppActionTypes.ACTION_LOGIN]({ commit }: AugmentedActionContext, userData: object) {
commit(AppMutationTypes.SET_USER_MSG, userData)
},
[AppActionTypes.CLEAR_TOKEN]({ commit }: AugmentedActionContext) {
commit(AppMutationTypes.CLEAR_USER, null)
},
[AppActionTypes.CLEAR_TOKEN]({ commit }: AugmentedActionContext,userData: object) {
commit(AppMutationTypes.CLEAR_TOKEN, userData)
},
[AppActionTypes.SET_NUM]({ commit }: AugmentedActionContext,num: number) {
commit(AppMutationTypes.SET_NUM, num)
},
}//新建modules src/store/modules/app/mutation-types.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:22:12
* @Description: mutation-types类型约束
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
export enum AppMutationTypes {
SET_USER_MSG = 'SET_USER_MSG',
CLEAR_TOKEN = 'CLEAR_TOKEN',
EDIT_USER_MSG = 'EDIT_USER_MSG',
SET_NUM = 'SET_NUM'
}
//新建modules src/store/modules/app/mutation.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:22:12
* @Description: mutation
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import { MutationTree } from 'vuex'
import { AppState } from './state'
import { AppMutationTypes } from './mutation-types'
export type Mutations<S = AppState> = {
[AppMutationTypes.SET_TOKEN](state: S, token: string): void
}
export const mutations: MutationTree<AppState> & Mutations = {
[AppMutationTypes.SET_USER_MSG](state: AppState, userData: object) {
state.userData = userData
},
[AppMutationTypes.CLEAR_USER](state: AppState) {
state.userData = null
},
[AppMutationTypes.CLEAR_TOKEN](state: AppState, userData: object) {
state.userData = userData
},
[AppMutationTypes.SET_NUM](state: AppState, num: number) {
state.num = num
}
}
src下创建type文件，并完善工程文件（约束类）
//例如：分页参数，根据业务需要自行补充
export interface PageParams {
data?: any
id?: string
from?: string
}
src下创建styles文件，并完善工程文件（css样式）
//例如：styles/theme.scss
page {
--theme-color: #9ac2ff;
}
//例如：styles/index.scss
@import './theme.scss'; //引入theme.scss
src下创建components文件，并完善工程文件（组件管理）
//例如：components/drag-image.vue
<template>
<view class="con">
<template v-if="viewWidth">
<movable-area v-if="show" class="area" :style="{ height: areaHeight }" @mouseenter="mouseenter"
@mouseleave="mouseleave">
<text v-if='imageList.length>0' class="tips_img">主</text>
<movable-view v-for="(item, index) in imageList" :key="item.id" class="view" direction="all" :y="item.y"
:x="item.x" :damping="40" :disabled="item.disable" @change="onChange($event, item)"
@touchstart="touchstart(item)" @mousedown="touchstart(item)" @touchend="touchend(item)"
@mouseup="touchend(item)" :style="{
width: viewWidth + 'px',
height: viewWidth + 'px',
'z-index': item.zIndex,
opacity: item.opacity
}">
<view class="area-con" :style="{
width: childWidth,
height: childWidth,
borderRadius: borderRadius + 'rpx',
transform: 'scale(' + item.scale + ')'
}">
<image class="pre-image" :src="item.src" mode="aspectFill"></image>
<view class="del-con" @click="delImages(item, index)" @touchstart.stop="delImageMp(item, index)"
@touchend.stop="nothing()" @mousedown.stop="nothing()" @mouseup.stop="nothing()">
<view class="del-wrap">
<image class="del-image"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACEAAAAhCAYAAABX5MJvAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAAhdEVYdENyZWF0aW9uIFRpbWUAMjAyMDowNzoyNSAyMTo1NDoyOU4TkJAAAADcSURBVFhH7ZfRCoMwDEXLvkjwwVf/bH/emmAyN6glTW9WBjsgwm28OeCLpj81Sil7zvlJ90UiONS/yY5VogsO6XrBg3IEQ5a/s8vRSWUAKmLqp2w5jz5BiNQEGMo3GbloDLtFXJ1IkaEuhAiiY6gEIqB4yqACSk9piIBiKQ8VUFpLviKg3C2rESKgWERCBZSWiEfgIfffYvrrsAgoISJ3Apy3zuTxcSxLQkV6ykNEPKVQkZEyiAiiZKgDIaC4upACSlcn5fM/+WuDCAHF1E/Z/N9AhkMZnPNDPI+UDjPIXgAQIGjNAAAAAElFTkSuQmCC">
</image>
</view>
</view>
</view>
</movable-view>
<view class="add" v-if="imageList.length < number"
:style="{ top: add.y, left: add.x, width: viewWidth + 'px', height: viewWidth + 'px' }" @click="addImages">
<view class="add-wrap" :style="{ width: childWidth, height: childWidth, borderRadius: borderRadius + 'rpx' }">
<image :style="{ width: childWidth, height: childWidth, borderRadius: borderRadius + 'rpx' }" src='/static/images/addimg.png'></image>
<!-- <image style="width: 54rpx;height: 54rpx;"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADYAAAA2CAYAAACMRWrdAAABIUlEQVRoQ+2a2w2DMAxFeQzWrsMUbadAsEw3S1CqVgppKwLX8BEOP4iHTXx8uUgWdVXoVhdaV0VhSmf7vr/H8V3XzY6V3P9iD+nYOI5P7/01LMI596AwoZV0TIBXIUWFXhKLFBWYSFGhhxQN6SFFQ5i4ogITKSr0cEVDekjRECauqMBEigq9U7piOk2yAti27SUe5ljlTfPEQ6KZecTvwl4P3ytvOv06R2HDMNzes7+6aRrvnHvtf50L13Lp50rx88zcvNlS3JpwKQ67XyK04nq2nFbk/LqVjin0TvmBNgQ2S4UUDcliHgpMpKjQwxUN6SFFQ5i4ogITKSr0cEVDekjRECauqMAsVoph+hVPtYr5+03p9tbYQ96xrYtT4ootbAJGVxxVTapVswAAAABJRU5ErkJggg==">
</image> -->
</view>
</view>
</movable-area>
</template>
</view>
</template>
<script>
export default {
emits: ['input', 'update:modelValue'],
props: {
// 排序图片
value: {
type: Array,
default: function () {
return []
}
},
// 排序图片
modelValue: {
type: Array,
default: function () {
return []
}
},
// 从 list 元素对象中读取的键名
keyName: {
type: String,
default: null
},
// 选择图片数量限制
number: {
type: Number,
default: 6
},
// 图片父容器宽度（实际显示的图片宽度为 imageWidth / 1.1 ），单位 rpx
// imageWidth > 0 则 cols 无效
imageWidth: {
type: Number,
default: 0
},
// 图片列数
cols: {
type: Number,
default: 3
},
// 图片圆角，单位 rpx
borderRadius: {
type: Number,
default: 0
},
// 图片周围空白填充，单位 rpx
padding: {
type: Number,
default: 10
},
// 拖动图片时放大倍数 [0, ∞)
scale: {
type: Number,
default: 1.1
},
// 拖动图片时不透明度
opacity: {
type: Number,
default: 0.7
},
// 自定义添加
addImage: {
type: Function,
default: null
},
// 删除确认
delImage: {
type: Function,
default: null
}
},
data() {
return {
imageList: [],
width: 0,
add: {
x: 0,
y: 0
},
colsValue: 0,
viewWidth: 0,
tempItem: null,
timer: null,
changeStatus: true,
preStatus: true,
first: true,
show: true,
}
},
computed: {
areaHeight() {
let height = ''
// return '285px'
if (this.imageList.length < this.number) {
height = (Math.ceil((this.imageList.length + 1) / this.colsValue) * this.viewWidth).toFixed() + 'px'
} else {
height = (Math.ceil(this.imageList.length / this.colsValue) * this.viewWidth).toFixed() + 'px'
}
console.log('areaHeight', height)
return height
},
childWidth() {
return this.viewWidth - this.rpx2px(this.padding) * 2 + 'px'
},
},
watch: {
areaHeight() {
this.show = false
this.$nextTick(() => {
this.show = true
})
},
value: {
handler(n) {
if (!this.first && this.changeStatus) {
console.log('watch', n)
let flag = false
for (let i = 0; i < n.length; i++) {
if (flag) {
this.addProperties(this.getSrc(n[i]))
continue
}
if (this.imageList.length === i || this.imageList[i].src !== this.getSrc(n[i])) {
flag = true
this.imageList.splice(i)
this.addProperties(this.getSrc(n[i]))
}
}
}
},
deep: true
},
modelValue: {
handler(n) {
if (!this.first && this.changeStatus) {
console.log('watch', n)
let flag = false
for (let i = 0; i < n.length; i++) {
if (flag) {
this.addProperties(this.getSrc(n[i]))
continue
}
if (this.imageList.length === i || this.imageList[i].src !== this.getSrc(n[i])) {
flag = true
this.imageList.splice(i)
this.addProperties(this.getSrc(n[i]))
}
}
}
},
deep: true
},
},
created() {
this.width = uni.getSystemInfoSync().windowWidth
},
mounted() {
const query = uni.createSelectorQuery().in(this)
query.select('.con').boundingClientRect(data => {
this.colsValue = this.cols
this.viewWidth = data.width / this.cols
if (this.imageWidth > 0) {
this.viewWidth = this.rpx2px(this.imageWidth)
this.colsValue = Math.floor(data.width / this.viewWidth)
}
let list = this.value
// #ifdef VUE3
list = this.modelValue
// #endif
for (let item of list) {
this.addProperties(this.getSrc(item))
}
this.first = false
})
query.exec()
},
methods: {
getSrc(item) {
if (this.keyName !== null) {
return item[this.keyName]
}
return item
},
onChange(e, item) {
if (!item) return
item.oldX = e.detail.x
item.oldY = e.detail.y
if (e.detail.source === 'touch') {
if (item.moveEnd) {
item.offset = Math.sqrt(Math.pow(item.oldX - item.absX * this.viewWidth, 2) + Math.pow(item.oldY - item
.absY * this.viewWidth, 2))
}
let x = Math.floor((e.detail.x + this.viewWidth / 2) / this.viewWidth)
if (x >= this.colsValue) return
let y = Math.floor((e.detail.y + this.viewWidth / 2) / this.viewWidth)
let index = this.colsValue * y + x
if (item.index != index && index < this.imageList.length) {
this.changeStatus = false
for (let obj of this.imageList) {
if (item.index > index && obj.index >= index && obj.index < item.index) {
this.change(obj, 1)
} else if (item.index < index && obj.index <= index && obj.index > item.index) {
this.change(obj, -1)
} else if (obj.id != item.id) {
obj.offset = 0
obj.x = obj.oldX
obj.y = obj.oldY
setTimeout(() => {
this.$nextTick(() => {
obj.x = obj.absX * this.viewWidth
obj.y = obj.absY * this.viewWidth
})
}, 0)
}
}
item.index = index
item.absX = x
item.absY = y
if (!item.moveEnd) {
setTimeout(() => {
this.$nextTick(() => {
item.x = item.absX * this.viewWidth
item.y = item.absY * this.viewWidth
})
}, 0)
}
// console.log('bbb', JSON.parse(JSON.stringify(item)));
this.sortList()
}
}
},
change(obj, i) {
obj.index += i
obj.offset = 0
obj.x = obj.oldX
obj.y = obj.oldY
obj.absX = obj.index % this.colsValue
obj.absY = Math.floor(obj.index / this.colsValue)
setTimeout(() => {
this.$nextTick(() => {
obj.x = obj.absX * this.viewWidth
obj.y = obj.absY * this.viewWidth
})
}, 0)
},
touchstart(item) {
this.imageList.forEach(v => {
v.zIndex = v.index + 9
})
item.zIndex = 99
item.moveEnd = true
this.tempItem = item
this.timer = setTimeout(() => {
item.scale = this.scale
item.opacity = this.opacity
clearTimeout(this.timer)
this.timer = null
}, 200)
},
touchend(item) {
this.previewImage(item)
item.scale = 1
item.opacity = 1
item.x = item.oldX
item.y = item.oldY
item.offset = 0
item.moveEnd = false
setTimeout(() => {
this.$nextTick(() => {
item.x = item.absX * this.viewWidth
item.y = item.absY * this.viewWidth
this.tempItem = null
this.changeStatus = true
})
// console.log('ccc', JSON.parse(JSON.stringify(item)));
}, 0)
this.$emit('resetImg',this.imageList)
// console.log('ddd', JSON.parse(JSON.stringify(item)));
},
previewImage(item) {
if (this.timer && this.preStatus && this.changeStatus && item.offset < 28.28) {
clearTimeout(this.timer)
this.timer = null
const list = this.value || this.modelValue
let srcList = []
let numImg = ref(0)
this.imageList.map((tab, index) => {
srcList.push(item.src)
if(tab.src == item.src){
numImg.value = index
}
})
uni.previewImage({
urls:srcList ,
current: srcList[numImg],
success: () => {
this.preStatus = false
setTimeout(() => {
this.preStatus = true
}, 600)
},
fail: (e) => {
console.log(e);
}
})
} else if (this.timer) {
clearTimeout(this.timer)
this.timer = null
}
},
mouseenter() {
//#ifdef H5
this.imageList.forEach(v => {
v.disable = false
})
//#endif
},
mouseleave() {
//#ifdef H5
if (this.tempItem) {
this.imageList.forEach(v => {
v.disable = true
v.zIndex = v.index + 9
v.offset = 0
v.moveEnd = false
if (v.id == this.tempItem.id) {
if (this.timer) {
clearTimeout(this.timer)
this.timer = null
}
v.scale = 1
v.opacity = 1
v.x = v.oldX
v.y = v.oldY
this.$nextTick(() => {
v.x = v.absX * this.viewWidth
v.y = v.absY * this.viewWidth
this.tempItem = null
})
}
})
this.changeStatus = true
}
//#endif
},
addImages() {
this.$emit('choiseImg')
// if (typeof this.addImage === 'function') {
// this.addImage.bind(this.$parent)()
// } else {
// let checkNumber = this.number - this.imageList.length
// uni.chooseImage({
// count: checkNumber,
// sourceType: ['album', 'camera'],
// success: res => {
// let count = checkNumber <= res.tempFilePaths.length ? checkNumber : res.tempFilePaths.length
// for (let i = 0; i < count; i++) {
// this.addProperties(res.tempFilePaths[i])
// }
// this.sortList()
// }
// })
// }
},
delImages(item, index) {
if (typeof this.delImage === 'function') {
this.delImage.bind(this.$parent)(() => {
this.delImageHandle(item, index)
})
} else {
this.delImageHandle(item, index)
}
},
delImageHandle(item, index) {
this.imageList.splice(index, 1)
this.$emit('resetImg',this.imageList)
for (let obj of this.imageList) {
if (obj.index > item.index) {
obj.index -= 1
obj.x = obj.oldX
obj.y = obj.oldY
obj.absX = obj.index % this.colsValue
obj.absY = Math.floor(obj.index / this.colsValue)
this.$nextTick(() => {
obj.x = obj.absX * this.viewWidth
obj.y = obj.absY * this.viewWidth
})
}
}
this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px'
this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px'
this.sortList()
},
delImageMp(item, index) {
//#ifdef MP
this.delImages(item, index)
//#endif
},
sortList() {
console.log('sortList');
const result = []
let source = this.value
// #ifdef VUE3
source = this.modelValue
// #endif
let list = this.imageList.slice()
list.sort((a, b) => {
return a.index - b.index
})
for (let s of list) {
let item = source.find(d => this.getSrc(d) == s.src)
if (item) {
result.push(item)
} else {
if (this.keyName !== null) {
result.push({
[this.keyName]: s.src
})
} else {
result.push(s.src)
}
}
}
this.$emit("input", result);
this.$emit("update:modelValue", result);
},
addProperties(item) {
console.log(item);
let absX = this.imageList.length % this.colsValue
let absY = Math.floor(this.imageList.length / this.colsValue)
let x = absX * this.viewWidth
let y = absY * this.viewWidth
this.imageList.push({
src: item,
x,
y,
oldX: x,
oldY: y,
absX,
absY,
scale: 1,
zIndex: 9,
opacity: 1,
index: this.imageList.length,
id: this.guid(16),
disable: false,
offset: 0,
moveEnd: false
})
this.add.x = (this.imageList.length % this.colsValue) * this.viewWidth + 'px'
this.add.y = Math.floor(this.imageList.length / this.colsValue) * this.viewWidth + 'px'
},
nothing() { },
rpx2px(v) {
return this.width * v / 750
},
guid(len = 32) {
const chars = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'.split('')
const uuid = []
const radix = chars.length
for (let i = 0; i < len; i++) uuid[i] = chars[0 | Math.random() * radix]
uuid.shift()
return `u${uuid.join('')}`
}
}
}
</script>
<style lang="scss" scoped>
.con {
// padding: 30rpx;
.area {
width: 100%;
position: relative;
.tips_img{
position: absolute;
left:0rpx;
top:0rpx;
z-index: 999;
display: inline-block;
width:42rpx;
height:42rpx;
line-height: 42rpx;
text-align: center;
border-radius: 50%;
font-size: 20rpx;
background-color: rgba(0,0,0,.5);
color:#fff;
}
.view {
display: flex;
justify-content: center;
align-items: center;
.area-con {
position: relative;
overflow: hidden;
.tips_img{
position: absolute;
right:0rpx;
bottom:0rpx;
z-index: 999;
display: inline-block;
width:42rpx;
height:42rpx;
line-height: 42rpx;
text-align: center;
border-radius: 50%;
font-size: 20rpx;
background-color: rgba(0,0,0,.5);
color:#fff;
}
.pre-image {
width: 100%;
height: 100%;
}
.del-con {
position: absolute;
top: 0rpx;
right: 0rpx;
padding: 0 0 20rpx 20rpx;
.del-wrap {
width: 36rpx;
height: 36rpx;
background-color: rgba(0, 0, 0, 0.4);
border-radius: 0 0 0 10rpx;
display: flex;
justify-content: center;
align-items: center;
.del-image {
width: 20rpx;
height: 20rpx;
}
}
}
}
}
.add {
position: absolute;
display: flex;
justify-content: center;
align-items: center;
.add-wrap {
display: flex;
justify-content: center;
align-items: center;
background-color: #fff;
}
}
}
}
</style>
src下创建utils文件，并完善工程文件（工具类）
//新建src/utils/requestClass.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:59:03
* @Description: 请求封装requestClass类
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
const config = Symbol('config')
const isCompleteURL = Symbol('isCompleteURL')
const requestBefore = Symbol('requestBefore')
const requestAfter = Symbol('requestAfter')
class requestClass {
// 默认配置
[config]: { baseURL?: string } & UniApp.RequestOptions = {
baseURL: '',
url: '',
header: {
'content-type': 'application/x-www-form-urlencoded'
},
method: 'GET',
timeout: 3000,
dataType: 'json',
responseType: 'text'
}
// 拦截器
interceptors = {
request: (func: Fn) => {
if (func) {
requestClass[requestBefore] = func
} else {
requestClass[requestBefore] = (request) => request
}
},
response: (func: Fn) => {
if (func) {
requestClass[requestAfter] = func
} else {
requestClass[requestAfter] = (response) => response
}
},
}
// 请求之前，是默认配置
static [requestBefore](config: UniApp.RequestOptions) {
return config
}
// 请求之后，默认配置发生改变的话
static [requestAfter](response: any) {
return response
}
// 判断url是否完整
static [isCompleteURL](url: string) {
return /(http|https):\/\/([\w.]+\/?)\S*/.test(url)
}
request(options: UniApp.RequestOptions & { baseURL?: string }) {
options.baseURL = options.baseURL || this[config].baseURL
options.dataType = options.dataType || this[config].dataType
options.url = requestClass[isCompleteURL](options.url) ? options.url : (options.baseURL + options.url)
options.data = options.data
options.header = { ...options.header, ...this[config].header }
options.method = options.method || this[config].method
options = { ...options, ...requestClass[requestBefore](options) }
return new Promise((resolve, reject) => {
options.success = function (res) {
resolve(requestClass[requestAfter](res))
}
options.fail = function (err) {
reject(requestClass[requestAfter](err))
}
uni.request(options)
// 中断请求实现方法
// let obj: any = {}
// obj[request.url] = uni.request(options)
// abortRequest() {
// for (const key in obj) {
// if (Object.prototype.hasOwnProperty.call(obj, key)) {
// const element = obj[key];
// element.abort()
// }
// }
// }
})
}
get(url: string, data: any = {}, options: Recordable = {}) {
return this.request({ ...options, url, data, method: 'GET' })
}
post(url: string, data: any = {}, options: Recordable = {}) {
return this.request({ ...options, url, data, method: 'POST' })
}
put(url: string, data: any = {}, options: Recordable = {}) {
return this.request({ ...options, url, data, method: 'PUT' })
}
delete(url: string, data: any = {}, options: Recordable = {}) {
return this.request({ ...options, url, data, method: 'DELETE' })
}
getConfig() {
return this[config]
}
// 修改默认配置的一个方法，可以修改请求地址，请求方式等等..
setConfig(func: Fn) {
this[config] = func(this[config])
}
}
export default requestClass
//新建src/utils/request.ts
/**
* @Author: Mr Chen 陈晓
* @Date: 2023-01-16 14:12:05
* @LastEditTime: 2023-02-09 09:59:03
* @Description: 请求封装request
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
**/
import requestClass from './requestClass'
import { HTTP_REQUEST_URL_H5, HTTP_REQUEST_URL_APP } from '@/config/app'
import { AppActionTypes } from '@/store/modules/app/action-types'
import qs from 'qs'
import { useStore } from 'vuex'
const Request = new requestClass()
const platform = uni.getSystemInfoSync().platform
// 请求拦截器
Request.interceptors.request((request: any) => {
request.header['device-os'] = platform
if (request.header.contentType) {
request.header['content-type'] = request.header.contentType
delete request.header.contentType
}
if(uni.getStorageSync('userData')){
request.header['token'] = uni.getStorageSync('userData').token
// request.header['id'] = uni.getStorageSync('userData').id
// request.header['uid'] = uni.getStorageSync('userData').userIdBuss
// request.header['pid'] = uni.getStorageSync('userData').lmpt_userid
}
if (request.method === 'GET') {
request.data = qs.stringify(request.data)
request.url = request.url + '?' + request.data
}
return request
})
// 响应拦截器
Request.interceptors.response((response: any) => {
const token = uni.getStorageSync('userData').token
if (response.data.code === 102) {
uni.showToast({
title: token ? '请重新登录' : '请先登录',
icon: 'none',
duration: 2000,
})
uni.removeStorageSync('userData')
// console.log(store)
// store.dispatch(AppActionTypes.ACTION_LOGIN, {})
const url = '/pages/template/user/index'
setTimeout(
function() {
uni.switchTab({ url })
}, 2000)
}
return response
})
// 设置默认配置
Request.setConfig((config: any) => {
config.header['device-os'] = platform
// #ifdef APP-PLUS
config.baseURL = HTTP_REQUEST_URL_APP
// #endif
// #ifndef APP-PLUS
config.baseURL = HTTP_REQUEST_URL_H5
// #endif
if (uni.getStorageSync('userData')) {
config.header['token'] = uni.getStorageSync('userData').token
// config.header['id'] = uni.getStorageSync('userData').id
// config.header['uid'] = uni.getStorageSync('userData').userIdBuss
// config.header['pid'] = uni.getStorageSync('userData').lmpt_userid
}
return config
})
export default Requestsrc下创建app文件，并完善工程文件
//在app文件下创建api文件夹 如：app/api/index.ts
import request from '@/utils/request' //导入request
/**
* API 数据总操作类
* Author Chenxiao
* Time 2023-02-09
* 任何傻子都能写出电脑能识别的代码，但我能写出任何人都能看懂的代码
*/
const options = {
header: { 'content-type': 'application/x-www-form-urlencoded'},
token: uni.getStorageSync('userData').token
}
/**
* @method 不同请求通用写法接口
*/
export function testGet(data :any) {
return request.get('', data)
}
export function testPost(data :any) {
return request.post('', data, options)
}
export function testPut(data :any) {
return request.post('', data)
}
export function testDelete(data :any) {
return request.delete('', data)
}
/**
* @method 正式接口
*
*/
}
export default API
下一节我们继续把剩余的几个配置做一个完善，例如，底部菜单数据载入，全局静态参数配置，文件自动混入等
欢迎大家收藏、点赞和转发，我们一起学习成长！
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