mirror of
https://gitee.com/huangge1199_admin/vue-pro.git
synced 2024-11-24 16:21:53 +08:00
305 lines
9.8 KiB
Vue
305 lines
9.8 KiB
Vue
|
<template>
|
|||
|
|
<view
|
|||
|
|
class="u-rate"
|
|||
|
|
:id="elId"
|
|||
|
|
ref="u-rate"
|
|||
|
|
:style="[$u.addStyle(customStyle)]"
|
|||
|
|
>
|
|||
|
|
<view
|
|||
|
|
class="u-rate__content"
|
|||
|
|
@touchmove.stop="touchMove"
|
|||
|
|
@touchend.stop="touchEnd"
|
|||
|
|
>
|
|||
|
|
<view
|
|||
|
|
class="u-rate__content__item"
|
|||
|
|
v-for="(item, index) in Number(count)"
|
|||
|
|
:key="index"
|
|||
|
|
:class="[elClass]"
|
|||
|
|
>
|
|||
|
|
<view
|
|||
|
|
class="u-rate__content__item__icon-wrap"
|
|||
|
|
ref="u-rate__content__item__icon-wrap"
|
|||
|
|
@tap.stop="clickHandler($event, index + 1)"
|
|||
|
|
>
|
|||
|
|
<u-icon
|
|||
|
|
:name="
|
|||
|
|
Math.floor(activeIndex) > index
|
|||
|
|
? activeIcon
|
|||
|
|
: inactiveIcon
|
|||
|
|
"
|
|||
|
|
:color="
|
|||
|
|
disabled
|
|||
|
|
? '#c8c9cc'
|
|||
|
|
: Math.floor(activeIndex) > index
|
|||
|
|
? activeColor
|
|||
|
|
: inactiveColor
|
|||
|
|
"
|
|||
|
|
:custom-style="{
|
|||
|
|
padding: `0 ${$u.addUnit(gutter / 2)}`,
|
|||
|
|
}"
|
|||
|
|
:size="size"
|
|||
|
|
></u-icon>
|
|||
|
|
</view>
|
|||
|
|
<view
|
|||
|
|
v-if="allowHalf"
|
|||
|
|
@tap.stop="clickHandler($event, index + 1)"
|
|||
|
|
class="u-rate__content__item__icon-wrap u-rate__content__item__icon-wrap--half"
|
|||
|
|
:style="[{
|
|||
|
|
width: $u.addUnit(rateWidth / 2),
|
|||
|
|
}]"
|
|||
|
|
ref="u-rate__content__item__icon-wrap"
|
|||
|
|
>
|
|||
|
|
<u-icon
|
|||
|
|
:name="
|
|||
|
|
Math.ceil(activeIndex) > index
|
|||
|
|
? activeIcon
|
|||
|
|
: inactiveIcon
|
|||
|
|
"
|
|||
|
|
:color="
|
|||
|
|
disabled
|
|||
|
|
? '#c8c9cc'
|
|||
|
|
: Math.ceil(activeIndex) > index
|
|||
|
|
? activeColor
|
|||
|
|
: inactiveColor
|
|||
|
|
"
|
|||
|
|
:custom-style="{
|
|||
|
|
padding: `0 ${$u.addUnit(gutter / 2)}`
|
|||
|
|
}"
|
|||
|
|
:size="size"
|
|||
|
|
></u-icon>
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
</view>
|
|||
|
|
</template>
|
|||
|
|
|
|||
|
|
<script>
|
|||
|
|
import props from './props.js';
|
|||
|
|
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
const dom = weex.requireModule("dom");
|
|||
|
|
// #endif
|
|||
|
|
/**
|
|||
|
|
* rate 评分
|
|||
|
|
* @description 该组件一般用于满意度调查，星型评分的场景
|
|||
|
|
* @tutorial https://www.uviewui.com/components/rate.html
|
|||
|
|
* @property {String | Number} value 用于v-model双向绑定选中的星星数量 (默认 1 )
|
|||
|
|
* @property {String | Number} count 最多可选的星星数量 （默认 5 ）
|
|||
|
|
* @property {Boolean} disabled 是否禁止用户操作 （默认 false ）
|
|||
|
|
* @property {Boolean} readonly 是否只读 （默认 false ）
|
|||
|
|
* @property {String | Number} size 星星的大小，单位px （默认 18 ）
|
|||
|
|
* @property {String} inactiveColor 未选中星星的颜色 （默认 '#b2b2b2' ）
|
|||
|
|
* @property {String} activeColor 选中的星星颜色 （默认 '#FA3534' ）
|
|||
|
|
* @property {String | Number} gutter 星星之间的距离 （默认 4 ）
|
|||
|
|
* @property {String | Number} minCount 最少选中星星的个数 （默认 1 ）
|
|||
|
|
* @property {Boolean} allowHalf 是否允许半星选择 （默认 false ）
|
|||
|
|
* @property {String} activeIcon 选中时的图标名，只能为uView的内置图标 （默认 'star-fill' ）
|
|||
|
|
* @property {String} inactiveIcon 未选中时的图标名，只能为uView的内置图标 （默认 'star' ）
|
|||
|
|
* @property {Boolean} touchable 是否可以通过滑动手势选择评分 （默认 'true' ）
|
|||
|
|
* @property {Object} customStyle 组件的样式，对象形式
|
|||
|
|
* @event {Function} change 选中的星星发生变化时触发
|
|||
|
|
* @example <u-rate :count="count" :value="2"></u-rate>
|
|||
|
|
*/
|
|||
|
|
export default {
|
|||
|
|
name: "u-rate",
|
|||
|
|
mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
|
|||
|
|
data() {
|
|||
|
|
return {
|
|||
|
|
// 生成一个唯一id，否则一个页面多个评分组件，会造成冲突
|
|||
|
|
elId: uni.$u.guid(),
|
|||
|
|
elClass: uni.$u.guid(),
|
|||
|
|
rateBoxLeft: 0, // 评分盒子左边到屏幕左边的距离，用于滑动选择时计算距离
|
|||
|
|
activeIndex: this.value,
|
|||
|
|
rateWidth: 0, // 每个星星的宽度
|
|||
|
|
// 标识是否正在滑动，由于iOS事件上touch比click先触发，导致快速滑动结束后，接着触发click，导致事件混乱而出错
|
|||
|
|
moving: false,
|
|||
|
|
};
|
|||
|
|
},
|
|||
|
|
watch: {
|
|||
|
|
value(val) {
|
|||
|
|
this.activeIndex = val;
|
|||
|
|
},
|
|||
|
|
activeIndex: 'emitEvent'
|
|||
|
|
},
|
|||
|
|
methods: {
|
|||
|
|
init() {
|
|||
|
|
uni.$u.sleep().then(() => {
|
|||
|
|
this.getRateItemRect();
|
|||
|
|
this.getRateIconWrapRect();
|
|||
|
|
})
|
|||
|
|
},
|
|||
|
|
// 获取评分组件盒子的布局信息
|
|||
|
|
async getRateItemRect() {
|
|||
|
|
await uni.$u.sleep();
|
|||
|
|
// uView封装的获取节点的方法，详见文档
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
this.$uGetRect("#" + this.elId).then((res) => {
|
|||
|
|
this.rateBoxLeft = res.left;
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
dom.getComponentRect(this.$refs["u-rate"], (res) => {
|
|||
|
|
this.rateBoxLeft = res.size.left;
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
// 获取单个星星的尺寸
|
|||
|
|
getRateIconWrapRect() {
|
|||
|
|
// uView封装的获取节点的方法，详见文档
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
this.$uGetRect("." + this.elClass).then((res) => {
|
|||
|
|
this.rateWidth = res.width;
|
|||
|
|
});
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
dom.getComponentRect(
|
|||
|
|
this.$refs["u-rate__content__item__icon-wrap"][0],
|
|||
|
|
(res) => {
|
|||
|
|
this.rateWidth = res.size.width;
|
|||
|
|
}
|
|||
|
|
);
|
|||
|
|
// #endif
|
|||
|
|
},
|
|||
|
|
// 手指滑动
|
|||
|
|
touchMove(e) {
|
|||
|
|
// 如果禁止通过手动滑动选择，返回
|
|||
|
|
if (!this.touchable) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
this.preventEvent(e);
|
|||
|
|
const x = e.changedTouches[0].pageX;
|
|||
|
|
this.getActiveIndex(x);
|
|||
|
|
},
|
|||
|
|
// 停止滑动
|
|||
|
|
touchEnd(e) {
|
|||
|
|
// 如果禁止通过手动滑动选择，返回
|
|||
|
|
if (!this.touchable) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
this.preventEvent(e);
|
|||
|
|
const x = e.changedTouches[0].pageX;
|
|||
|
|
this.getActiveIndex(x);
|
|||
|
|
},
|
|||
|
|
// 通过点击，直接选中
|
|||
|
|
clickHandler(e, index) {
|
|||
|
|
// ios上，moving状态取消事件触发
|
|||
|
|
if (uni.$u.os() === "ios" && this.moving) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
this.preventEvent(e);
|
|||
|
|
let x = 0;
|
|||
|
|
// 点击时，在nvue上，无法获得点击的坐标，所以无法实现点击半星选择
|
|||
|
|
// #ifndef APP-NVUE
|
|||
|
|
x = e.changedTouches[0].pageX;
|
|||
|
|
// #endif
|
|||
|
|
// #ifdef APP-NVUE
|
|||
|
|
// nvue下，无法通过点击获得坐标信息，这里通过元素的位置尺寸值模拟坐标
|
|||
|
|
x = index * this.rateWidth + this.rateBoxLeft;
|
|||
|
|
// #endif
|
|||
|
|
this.getActiveIndex(x,true);
|
|||
|
|
},
|
|||
|
|
// 发出事件
|
|||
|
|
emitEvent() {
|
|||
|
|
// 发出change事件
|
|||
|
|
this.$emit("change", this.activeIndex);
|
|||
|
|
// 同时修改双向绑定的value的值
|
|||
|
|
this.$emit("input", this.activeIndex);
|
|||
|
|
},
|
|||
|
|
// 获取当前激活的评分图标
|
|||
|
|
getActiveIndex(x,isClick = false) {
|
|||
|
|
if (this.disabled || this.readonly) {
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
// 判断当前操作的点的x坐标值，是否在允许的边界范围内
|
|||
|
|
const allRateWidth = this.rateWidth * this.count + this.rateBoxLeft;
|
|||
|
|
// 如果小于第一个图标的左边界，设置为最小值，如果大于所有图标的宽度，则设置为最大值
|
|||
|
|
x = uni.$u.range(this.rateBoxLeft, allRateWidth, x) - this.rateBoxLeft
|
|||
|
|
// 滑动点相对于评分盒子左边的距离
|
|||
|
|
const distance = x;
|
|||
|
|
// 滑动的距离，相当于多少颗星星
|
|||
|
|
let index;
|
|||
|
|
// 判断是否允许半星
|
|||
|
|
if (this.allowHalf) {
|
|||
|
|
index = Math.floor(distance / this.rateWidth);
|
|||
|
|
// 取余，判断小数的区间范围
|
|||
|
|
const decimal = distance % this.rateWidth;
|
|||
|
|
if (decimal <= this.rateWidth / 2 && decimal > 0) {
|
|||
|
|
index += 0.5;
|
|||
|
|
} else if (decimal > this.rateWidth / 2) {
|
|||
|
|
index++;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
index = Math.floor(distance / this.rateWidth);
|
|||
|
|
// 取余，判断小数的区间范围
|
|||
|
|
const decimal = distance % this.rateWidth;
|
|||
|
|
// 非半星时，只有超过了图标的一半距离，才认为是选择了这颗星
|
|||
|
|
if (isClick){
|
|||
|
|
if (decimal > 0) index++;
|
|||
|
|
} else {
|
|||
|
|
if (decimal > this.rateWidth / 2) index++;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
this.activeIndex = Math.min(index, this.count);
|
|||
|
|
// 对最少颗星星的限制
|
|||
|
|
if (this.activeIndex < this.minCount) {
|
|||
|
|
this.activeIndex = this.minCount;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 设置延时为了让click事件在touchmove之前触发
|
|||
|
|
setTimeout(() => {
|
|||
|
|
this.moving = true;
|
|||
|
|
}, 10);
|
|||
|
|
// 一定时间后，取消标识为移动中状态，是为了让click事件无效
|
|||
|
|
setTimeout(() => {
|
|||
|
|
this.moving = false;
|
|||
|
|
}, 10);
|
|||
|
|
},
|
|||
|
|
},
|
|||
|
|
mounted() {
|
|||
|
|
this.init();
|
|||
|
|
},
|
|||
|
|
};
|
|||
|
|
</script>
|
|||
|
|
|
|||
|
|
<style lang="scss" scoped>
|
|||
|
|
@import "../../libs/css/components.scss";
|
|||
|
|
$u-rate-margin: 0 !default;
|
|||
|
|
$u-rate-padding: 0 !default;
|
|||
|
|
$u-rate-item-icon-wrap-half-top: 0 !default;
|
|||
|
|
$u-rate-item-icon-wrap-half-left: 0 !default;
|
|||
|
|
|
|||
|
|
.u-rate {
|
|||
|
|
@include flex;
|
|||
|
|
align-items: center;
|
|||
|
|
margin: $u-rate-margin;
|
|||
|
|
padding: $u-rate-padding;
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
touch-action: none;
|
|||
|
|
/* #endif */
|
|||
|
|
|
|||
|
|
&__content {
|
|||
|
|
@include flex;
|
|||
|
|
|
|||
|
|
&__item {
|
|||
|
|
position: relative;
|
|||
|
|
|
|||
|
|
&__icon-wrap {
|
|||
|
|
&--half {
|
|||
|
|
position: absolute;
|
|||
|
|
overflow: hidden;
|
|||
|
|
top: $u-rate-item-icon-wrap-half-top;
|
|||
|
|
left: $u-rate-item-icon-wrap-half-left;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
.u-icon {
|
|||
|
|
/* #ifndef APP-NVUE */
|
|||
|
|
box-sizing: border-box;
|
|||
|
|
/* #endif */
|
|||
|
|
}
|
|||
|
|
</style>
|