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							- <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>
 
 
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