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2024-12-02 10:39:36 +08:00
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// const defaultOption = {
// duration: 300,
// timingFunction: 'linear',
// delay: 0,
// transformOrigin: '50% 50% 0'
// }
// #ifdef APP-NVUE
const nvueAnimation = uni.requireNativePlugin('animation')
// #endif
class MPAnimation {
constructor(options, _this) {
this.options = options
// 在iOS10+QQ小程序平台下传给原生的对象一定是个普通对象而不是Proxy对象否则会报parameter should be Object instead of ProxyObject的错误
this.animation = uni.createAnimation({
...options
})
this.currentStepAnimates = {}
this.next = 0
this.$ = _this
}
_nvuePushAnimates(type, args) {
let aniObj = this.currentStepAnimates[this.next]
let styles = {}
if (!aniObj) {
styles = {
styles: {},
config: {}
}
} else {
styles = aniObj
}
if (animateTypes1.includes(type)) {
if (!styles.styles.transform) {
styles.styles.transform = ''
}
let unit = ''
if(type === 'rotate'){
unit = 'deg'
}
styles.styles.transform += `${type}(${args+unit}) `
} else {
styles.styles[type] = `${args}`
}
this.currentStepAnimates[this.next] = styles
}
_animateRun(styles = {}, config = {}) {
let ref = this.$.$refs['ani'].ref
if (!ref) return
return new Promise((resolve, reject) => {
nvueAnimation.transition(ref, {
styles,
...config
}, res => {
resolve()
})
})
}
_nvueNextAnimate(animates, step = 0, fn) {
let obj = animates[step]
if (obj) {
let {
styles,
config
} = obj
this._animateRun(styles, config).then(() => {
step += 1
this._nvueNextAnimate(animates, step, fn)
})
} else {
this.currentStepAnimates = {}
typeof fn === 'function' && fn()
this.isEnd = true
}
}
step(config = {}) {
// #ifndef APP-NVUE
this.animation.step(config)
// #endif
// #ifdef APP-NVUE
this.currentStepAnimates[this.next].config = Object.assign({}, this.options, config)
this.currentStepAnimates[this.next].styles.transformOrigin = this.currentStepAnimates[this.next].config.transformOrigin
this.next++
// #endif
return this
}
run(fn) {
// #ifndef APP-NVUE
this.$.animationData = this.animation.export()
this.$.timer = setTimeout(() => {
typeof fn === 'function' && fn()
}, this.$.durationTime)
// #endif
// #ifdef APP-NVUE
this.isEnd = false
let ref = this.$.$refs['ani'] && this.$.$refs['ani'].ref
if(!ref) return
this._nvueNextAnimate(this.currentStepAnimates, 0, fn)
this.next = 0
// #endif
}
}
const animateTypes1 = ['matrix', 'matrix3d', 'rotate', 'rotate3d', 'rotateX', 'rotateY', 'rotateZ', 'scale', 'scale3d',
'scaleX', 'scaleY', 'scaleZ', 'skew', 'skewX', 'skewY', 'translate', 'translate3d', 'translateX', 'translateY',
'translateZ'
]
const animateTypes2 = ['opacity', 'backgroundColor']
const animateTypes3 = ['width', 'height', 'left', 'right', 'top', 'bottom']
animateTypes1.concat(animateTypes2, animateTypes3).forEach(type => {
MPAnimation.prototype[type] = function(...args) {
// #ifndef APP-NVUE
this.animation[type](...args)
// #endif
// #ifdef APP-NVUE
this._nvuePushAnimates(type, args)
// #endif
return this
}
})
export function createAnimation(option, _this) {
if(!_this) return
clearTimeout(_this.timer)
return new MPAnimation(option, _this)
}

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export default {
props: {
// 是否展示组件
show: {
type: Boolean,
default: false
},
// 使用的动画模式
mode: {
type: [Array, String, null],
default() {
return 'fade'
}
},
// 动画的执行时间单位ms
duration: {
type: [String, Number],
default: 300
},
// 使用的动画过渡函数
timingFunction: {
type: String,
default: 'ease-out'
},
customClass: {
type: String,
default: ''
},
...uni.$uv?.props?.transition
}
}

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<template>
<!-- #ifndef APP-NVUE -->
<view
v-if="isShow"
ref="ani"
:animation="animationData"
:class="customClass"
:style="transformStyles"
@click="onClick">
<slot></slot>
</view>
<!-- #endif -->
<!-- #ifdef APP-NVUE -->
<view
v-if="isShow"
ref="ani"
:animation="animationData"
:class="customClass"
:style="transformStyles"
@click="onClick">
<slot></slot>
</view>
<!-- #endif -->
</template>
<script>
import mpMixin from '@/uni_modules/uv-ui-tools/libs/mixin/mpMixin.js'
import mixin from '@/uni_modules/uv-ui-tools/libs/mixin/mixin.js'
import { createAnimation } from './createAnimation'
/**
* transition 动画组件
* @description
* @tutorial
* @property {Boolean} show 控制组件显示或关闭 (默认 false
* @property {Array | String } mode 内置过渡动画类型 (默认 'fade'
* @value fade 渐隐渐出过渡
* @value slide-top 由上至下过渡
* @value slide-bottom 由下至上过渡
* @value slide-left 由左至右过渡
* @value slide-right 由右至左过渡
* @value zoom-in 由小到大过渡
* @value zoom-out 由大到小过渡
* @property {String | Number} duration 动画的执行时间单位ms (默认 300
* @property {String} timingFunction 使用的动画过渡函数 (默认 'ease-out'
* @property {Object} customStyle 自定义样式
* @property {String} customClass 自定义类名
* @event {Function} click 点击组件触发
* @event {Function} change 过渡动画结束时触发
* @example
*/
export default {
name: 'uv-transition',
mixins: [mpMixin,mixin],
emits:['click','change'],
props: {
// 是否展示组件
show: {
type: Boolean,
default: false
},
// 使用的动画模式
mode: {
type: [Array, String, null],
default() {
return 'fade'
}
},
// 动画的执行时间单位ms
duration: {
type: [String, Number],
default: 300
},
// 使用的动画过渡函数
timingFunction: {
type: String,
default: 'ease-out'
},
customClass: {
type: String,
default: ''
},
// nvue模式下 是否直接显示在uv-list等cell下面使用就需要设置
cellChild: {
type: Boolean,
default: false
}
},
data(){
return {
isShow: false,
transform: '',
opacity: 1,
animationData: {},
durationTime: 300,
config: {}
}
},
watch: {
show: {
handler(newVal) {
if (newVal) {
this.open();
} else {
// 避免上来就执行 close,导致动画错乱
if (this.isShow) {
this.close();
}
}
},
immediate: true
}
},
computed: {
// 初始化动画条件
transformStyles() {
const style = {
transform: this.transform,
opacity: this.opacity,
...this.$uv.addStyle(this.customStyle),
'transition-duration': `${this.duration / 1000}s`
};
return this.$uv.addStyle(style,'string');
}
},
created() {
// 动画默认配置
this.config = {
duration: this.duration,
timingFunction: this.timingFunction,
transformOrigin: '50% 50%',
delay: 0
};
this.durationTime = this.duration;
},
methods: {
/**
* ref 触发 初始化动画
*/
init(obj = {}) {
if (obj.duration) {
this.durationTime = obj.duration;
}
this.animation = createAnimation(Object.assign(this.config, obj),this);
},
/**
* 点击组件触发回调
*/
onClick() {
this.$emit('click', {
detail: this.isShow
})
},
/**
* ref 触发 动画分组
* @param {Object} obj
*/
step(obj, config = {}) {
if (!this.animation) return;
for (let i in obj) {
try {
if(typeof obj[i] === 'object'){
this.animation[i](...obj[i]);
}else{
this.animation[i](obj[i]);
}
} catch (e) {
console.error(`方法 ${i} 不存在`);
}
}
this.animation.step(config);
return this;
},
/**
* ref 触发 执行动画
*/
run(fn) {
if (!this.animation) return;
this.animation.run(fn);
},
// 开始过度动画
open() {
clearTimeout(this.timer);
this.transform = '';
this.isShow = true;
let { opacity, transform } = this.styleInit(false);
if (typeof opacity !== 'undefined') {
this.opacity = opacity;
}
this.transform = transform;
// 确保动态样式已经生效后,执行动画,如果不加 nextTick ,会导致 wx 动画执行异常
this.$nextTick(() => {
// TODO 定时器保证动画完全执行,目前有些问题,后面会取消定时器
this.timer = setTimeout(() => {
this.animation = createAnimation(this.config, this);
this.tranfromInit(false).step();
// #ifdef APP-NVUE
if(this.cellChild) {
this.opacity = 1;
} else{
this.animation.run();
}
// #endif
// #ifndef APP-NVUE
this.animation.run();
// #endif
// #ifdef VUE3
// #ifdef H5
this.opacity = 1;
// #endif
// #endif
this.$emit('change', {
detail: this.isShow
})
// #ifdef H5
// #ifdef VUE3
this.transform = '';
// #endif
// #endif
}, 20);
})
},
// 关闭过渡动画
close(type) {
if (!this.animation) return;
this.tranfromInit(true)
.step()
.run(() => {
this.isShow = false;
this.animationData = null;
this.animation = null;
let { opacity, transform } = this.styleInit(false);
this.opacity = opacity || 1;
this.transform = transform;
this.$emit('change', {
detail: this.isShow
});
})
},
// 处理动画开始前的默认样式
styleInit(type) {
let styles = {
transform: ''
};
let buildStyle = (type, mode) => {
if (mode === 'fade') {
styles.opacity = this.animationType(type)[mode];
} else {
styles.transform += this.animationType(type)[mode] + ' ';
}
}
if (typeof this.mode === 'string') {
buildStyle(type, this.mode);
} else {
this.mode.forEach(mode => {
buildStyle(type, mode)
})
}
return styles
},
// 处理内置组合动画
tranfromInit(type) {
let buildTranfrom = (type, mode) => {
let aniNum = null;
if (mode === 'fade') {
aniNum = type ? 0 : 1;
} else {
aniNum = type ? '-100%' : '0';
if (mode === 'zoom-in') {
aniNum = type ? 0.8 : 1
}
if (mode === 'zoom-out') {
aniNum = type ? 1.2 : 1
}
if (mode === 'slide-right') {
aniNum = type ? '100%' : '0'
}
if (mode === 'slide-bottom') {
aniNum = type ? '100%' : '0'
}
}
this.animation[this.animationMode()[mode]](aniNum)
}
if (typeof this.mode === 'string') {
buildTranfrom(type, this.mode)
} else {
this.mode.forEach(mode => {
buildTranfrom(type, mode)
})
}
return this.animation;
},
animationType(type) {
return {
fade: type ? 1 : 0,
'slide-top': `translateY(${type ? '0' : '-100%'})`,
'slide-right': `translateX(${type ? '0' : '100%'})`,
'slide-bottom': `translateY(${type ? '0' : '100%'})`,
'slide-left': `translateX(${type ? '0' : '-100%'})`,
'zoom-in': `scaleX(${type ? 1 : 0.8}) scaleY(${type ? 1 : 0.8})`,
'zoom-out': `scaleX(${type ? 1 : 1.2}) scaleY(${type ? 1 : 1.2})`
}
},
// 内置动画类型与实际动画对应字典
animationMode() {
return {
fade: 'opacity',
'slide-top': 'translateY',
'slide-right': 'translateX',
'slide-bottom': 'translateY',
'slide-left': 'translateX',
'zoom-in': 'scale',
'zoom-out': 'scale'
}
},
// 驼峰转中横线
toLine(name) {
return name.replace(/([A-Z])/g, '-$1').toLowerCase()
}
}
}
</script>