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初始化（包含登录模块）

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始于初见
2024-03-29 17:37:48 +08:00
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pages/template/swiper-list-nvue/swiper-list-nvue.nvue Normal file
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<template>
<list :id="pageId" class="page" :bounce="true" isSwiperList="true">
<refresh class="refresh" @refresh="onrefresh" @pullingdown="onpullingdown" :display="refreshing ? 'show' : 'hide'">
<div class="refresh-view">
<text class="loading-text">{{refreshText}}</text>
</div>
</refresh>
<cell>
<view id="head" class="header">
<text class="header-title">header</text>
</view>
</cell>
<cell>
<view class="tabs" :style="'height:' + pageHeight + 'px'">
<scroll-view ref="tabbar1" id="tab-bar" class="tab-bar" :scroll="false" :scroll-x="true" :show-scrollbar="false"
:scroll-into-view="scrollInto">
<view style="flex-direction: column;">
<view style="flex-direction: row;">
<view class="uni-tab-item" v-for="(tab,index) in tabList" :key="tab.id" :id="tab.id" :ref="'tabitem'+index"
:data-id="index" :data-current="index" @click="ontabtap">
<text class="uni-tab-item-title" :class="tabIndex==index ? 'uni-tab-item-title-active' : ''">{{tab.name}}</text>
</view>
</view>
<view class="scroll-view-indicator">
<view ref="underline" class="scroll-view-underline" :class="isTap ? 'scroll-view-animation':''" :style="{left: indicatorLineLeft + 'px', width: indicatorLineWidth + 'px'}"></view>
</view>
</view>
</scroll-view>
<view class="tab-bar-line"></view>
<swiper class="tab-view" ref="swiper1" id="tab-bar-view" :current="tabIndex" :duration="300" @change="onswiperchange"
@transition="onswiperscroll" @animationfinish="animationfinish" @onAnimationEnd="animationfinish">
<swiper-item class="swiper-item" v-for="(page, index) in tabList" :key="index">
<swiper-page class="swiper-page" :pid="page.pageid" :parentId="pageId" ref="page"></swiper-page>
</swiper-item>
</swiper>
</view>
</cell>
</list>
</template>
<script>
// #ifdef APP-PLUS
const dom = weex.requireModule('dom');
// #endif
// 缓存每页最多
const MAX_CACHE_DATA = 100;
// 缓存页签数量
const MAX_CACHE_PAGE = 3;
const TAB_PRELOAD_OFFSET = 1;
import swiperPage from './swiper-page.nvue';
export default {
components: {
swiperPage
},
data() {
return {
tabList: [],
tabIndex: 0,
cacheTab: [],
scrollInto: "",
indicatorLineLeft: 0,
indicatorLineWidth: 0,
isTap: false,
showTitleView: true,
pageHeight: 300,
pageId: "page",
refreshing: false,
refreshText: "",
refreshFlag: false
}
},
onLoad() {
for (var i = 0; i < 6; i++) {
this.tabList.push({
id: "tab" + i,
name: 'Tab ' + (i + 1),
pageid: i + 1
})
}
},
onReady() {
this.pageHeight = uni.getSystemInfoSync().windowHeight;
this._lastTabIndex = 0;
this.swiperWidth = 0;
this.tabbarWidth = 0;
this.tabListSize = {};
this._touchTabIndex = 0;
this._headHeight = 100;
this.pageList = this.$refs.page;
this.selectorQuery();
},
methods: {
ontap1(e) {
console.log("ontap1", e);
},
ontabtap(e) {
let index = e.target.dataset.current || e.currentTarget.dataset.current;
//let offsetIndex = this._touchTabIndex = Math.abs(index - this._lastTabIndex) > 1;
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-QQ
this.isTap = true;
var currentSize = this.tabListSize[index];
this.updateIndicator(currentSize.left, currentSize.width);
this._touchTabIndex = index;
// #endif
this.switchTab(index);
},
onswiperchange(e) {
// 注意：百度小程序会触发2次
// #ifndef APP-PLUS || H5 || MP-WEIXIN || MP-QQ
let index = e.target.current || e.detail.current;
this.switchTab(index);
// #endif
},
onswiperscroll(e) {
if (this.isTap) {
return;
}
var offsetX = e.detail.dx;
var preloadIndex = this._lastTabIndex;
if (offsetX > TAB_PRELOAD_OFFSET) {
preloadIndex++;
} else if (offsetX < -TAB_PRELOAD_OFFSET) {
preloadIndex--;
}
if (preloadIndex === this._lastTabIndex || preloadIndex < 0 || preloadIndex > this.pageList.length - 1) {
return;
}
if (this.pageList[preloadIndex].dataList.length === 0) {
this.loadTabData(preloadIndex);
}
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-QQ
var percentage = Math.abs(this.swiperWidth / offsetX);
var currentSize = this.tabListSize[this._lastTabIndex];
var preloadSize = this.tabListSize[preloadIndex];
var lineL = currentSize.left + (preloadSize.left - currentSize.left) / percentage;
var lineW = currentSize.width + (preloadSize.width - currentSize.width) / percentage;
this.updateIndicator(lineL, lineW);
// #endif
},
animationfinish(e) {
// #ifdef APP-PLUS || H5 || MP-WEIXIN || MP-QQ
let index = e.detail.current;
if (this._touchTabIndex === index) {
this.isTap = false;
}
this._lastTabIndex = index;
this.switchTab(index);
this.updateIndicator(this.tabListSize[index].left, this.tabListSize[index].width);
// #endif
},
selectorQuery() {
// #ifdef APP-NVUE
uni.createSelectorQuery().in(this).select('#head').boundingClientRect().exec(rect => {
this._headHeight = rect[0].height;
});
// 查询 tabbar 宽度
uni.createSelectorQuery().in(this).select('#tab-bar').boundingClientRect().exec(rect => {
this.tabbarWidth = rect[0].width;
});
// 查询 tabview 宽度
uni.createSelectorQuery().in(this).select('#tab-bar-view').boundingClientRect().exec(rect => {
this.swiperWidth = rect[0].width;
});
// 因 nvue 暂不支持 class 查询
var queryTabSize = uni.createSelectorQuery().in(this);
for (var i = 0; i < this.tabList.length; i++) {
queryTabSize.select('#' + this.tabList[i].id).boundingClientRect();
}
queryTabSize.exec(rects => {
rects.forEach((rect) => {
this.tabListSize[rect.dataset.id] = rect;
})
this.updateIndicator(this.tabListSize[this.tabIndex].left, this.tabListSize[this.tabIndex].width);
this.switchTab(this.tabIndex);
});
// #endif
// #ifdef MP-WEIXIN || H5 || MP-QQ
uni.createSelectorQuery().in(this).select('.tab-view').fields({
dataset: true,
size: true,
}, (res) => {
this.swiperWidth = res.width;
}).exec();
uni.createSelectorQuery().in(this).selectAll('.uni-tab-item').boundingClientRect((rects) => {
rects.forEach((rect) => {
this.tabListSize[rect.dataset.id] = rect;
})
this.updateIndicator(this.tabListSize[this.tabIndex].left, this.tabListSize[this.tabIndex].width);
}).exec();
// #endif
},
updateIndicator(left, width) {
this.indicatorLineLeft = left;
this.indicatorLineWidth = width;
},
switchTab(index) {
if (this.pageList[index].dataList.length === 0) {
this.loadTabData(index);
}
this.pageList[index].setScrollRef(this._headHeight);
if (this.tabIndex === index) {
return;
}
// 缓存 tabId
if (this.pageList[this.tabIndex].dataList.length > MAX_CACHE_DATA) {
let isExist = this.cacheTab.indexOf(this.tabIndex);
if (isExist < 0) {
this.cacheTab.push(this.tabIndex);
}
}
this.tabIndex = index;
// #ifdef APP-NVUE
this.scrollTabTo(index);
// #endif
// #ifndef APP-NVUE
this.scrollInto = this.tabList[index].id;
// #endif
// 释放 tabId
if (this.cacheTab.length > MAX_CACHE_PAGE) {
let cacheIndex = this.cacheTab[0];
this.clearTabData(cacheIndex);
this.cacheTab.splice(0, 1);
}
},
scrollTabTo(index) {
const el = this.$refs['tabitem' + index][0];
let offset = 0;
// TODO fix ios offset
if (index > 0) {
offset = this.tabbarWidth / 2 - this.tabListSize[index].width / 2;
if (this.tabListSize[index].right < this.tabbarWidth / 2) {
offset = this.tabListSize[0].width;
}
}
dom.scrollToElement(el, {
offset: -offset
});
},
loadTabData(index) {
this.pageList[index].loadData();
},
clearTabData(index) {
this.pageList[index].clear();
},
onrefresh(e) {
this.refreshing = true;
this.refreshText = "刷新中...";
setTimeout(() => {
this.refreshing = false;
this.refreshFlag = false;
this.refreshText = "已刷新";
}, 2000)
},
onpullingdown(e) {
if (this.refreshing) {
return;
}
this.pulling = false;
if (Math.abs(e.pullingDistance) > Math.abs(e.viewHeight)) {
this.refreshFlag = true;
this.refreshText = "释放立即刷新";
} else {
this.refreshFlag = false;
this.refreshText = "下拉可以刷新";
}
}
}
}
</script>
<style>
/* #ifndef APP-PLUS */
page {
width: 100%;
min-height: 100%;
display: flex;
}
/* #endif */
.page {
flex: 1;
}
.header {
height: 160px;
flex-direction: row;
align-items: center;
justify-content: center;
background-color: #f4f4f4;
}
.header-title {
font-size: 30px;
font-weight: bold;
color: #444;
}
.flexible-view {
background-color: #f823ff;
}
.page-head {
height: 200px;
flex-direction: column;
align-items: center;
justify-content: center;
background-color: red;
}
.tabs {
flex-direction: column;
overflow: hidden;
background-color: #ffffff;
/* #ifdef MP-ALIPAY || MP-BAIDU */
height: 100vh;
/* #endif */
}
.tab-bar {
width: 750upx;
height: 84upx;
flex-direction: row;
/* #ifndef APP-PLUS */
white-space: nowrap;
/* #endif */
}
/* #ifndef APP-NVUE */
.tab-bar ::-webkit-scrollbar {
display: none;
width: 0 !important;
height: 0 !important;
-webkit-appearance: none;
background: transparent;
}
/* #endif */
.scroll-view-indicator {
position: relative;
height: 2px;
background-color: transparent;
}
.scroll-view-underline {
position: absolute;
top: 0;
bottom: 0;
width: 0;
background-color: #007AFF;
}
.scroll-view-animation {
transition-duration: 0.2s;
transition-property: left;
}
.tab-bar-line {
height: 1upx;
background-color: #cccccc;
}
.tab-view {
flex: 1;
}
.uni-tab-item {
/* #ifndef APP-PLUS */
display: inline-block;
/* #endif */
flex-wrap: nowrap;
padding-left: 25px;
padding-right: 25px;
}
.uni-tab-item-title {
color: #555;
font-size: 30upx;
height: 80upx;
line-height: 80upx;
flex-wrap: nowrap;
/* #ifndef APP-PLUS */
white-space: nowrap;
/* #endif */
}
.uni-tab-item-title-active {
color: #007AFF;
}
.swiper-item {
flex: 1;
flex-direction: column;
}
.swiper-page {
flex: 1;
flex-direction: row;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
}
.refresh-view {
width: 750rpx;
height: 80px;
flex-direction: row;
align-items: center;
justify-content: center;
}
</style>

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pages/template/swiper-list-nvue/swiper-page.nvue Normal file
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<template>
<view class="uni-swiper-page">
<list ref="list" class="list" :offset-accuracy="5" :bounce="true" isSwiperList="true">
<cell v-for="(item, index) in dataList" :key="item.id" :ref="'item'+index" @click="onclick">
<view class="list-item">
<text>{{item.name}}</text>
</view>
</cell>
<cell class="loading"></cell>
</list>
</view>
</template>
<script>
export default {
props: {
pid: {
type: [Number, String],
default: ''
},
parentId: {
type: String,
default: ''
}
},
data() {
return {
scrollable: true,
dataList: []
}
},
created() {
for (var i = 1; i <= 32; i++) {
this.dataList.push({
id: i,
name: i
});
}
},
methods: {
setScrollRef(height) {
if (this.$refs['list'].setSpecialEffects) {
this.$refs['list'].setSpecialEffects({
id: this.parentId,
headerHeight: height
});
}
},
onclick(e) {
console.log("onclick");
},
loadData() {
// 首次激活时被调用
},
clear() {
// 释放数据时被调用，参考 swiper-list 缓存配置
this.dataList.length = 0;
}
}
}
</script>
<style scoped>
.uni-swiper-page {
flex: 1;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
}
.list {
flex: 1;
background-color: #ebebeb;
}
.list-item {
margin-left: 12px;
margin-right: 12px;
margin-top: 12px;
padding: 20px;
background-color: #fff;
border-radius: 5px;
}
.loading {
height: 20px;
}
</style>