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							- <template>
 
-   <view
 
-       class="u-radio"
 
-       @tap.stop="wrapperClickHandler"
 
-       :style="[radioStyle]"
 
-       :class="[`u-radio-label--${parentData.iconPlacement}`, parentData.borderBottom && parentData.placement === 'column' && 'u-border-bottom']"
 
-   >
 
-     <view
 
-         class="u-radio__icon-wrap"
 
-         @tap.stop="iconClickHandler"
 
-         :class="iconClasses"
 
-         :style="[iconWrapStyle]"
 
-     >
 
-       <slot name="icon">
 
-         <u-icon
 
-             class="u-radio__icon-wrap__icon"
 
-             name="checkbox-mark"
 
-             :size="elIconSize"
 
-             :color="elIconColor"
 
-         />
 
-       </slot>
 
-     </view>
 
-     <text
 
-         class="u-radio__text"
 
-         @tap.stop="labelClickHandler"
 
-         :style="{
 
- 				color: elDisabled ? elInactiveColor : elLabelColor,
 
- 				fontSize: elLabelSize,
 
- 				lineHeight: elLabelSize
 
- 			}"
 
-     >{{ label }}
 
-     </text>
 
-   </view>
 
- </template>
 
- <script>
 
- import props from './props.js';
 
- /**
 
-  * radio 单选框
 
-  * @description 单选框用于有一个选择,用户只能选择其中一个的场景。搭配u-radio-group使用
 
-  * @tutorial https://www.uviewui.com/components/radio.html
 
-  * @property {String | Number}  name      radio的名称
 
-  * @property {String}      shape      形状,square为方形,circle为圆型
 
-  * @property {Boolean}      disabled    是否禁用
 
-  * @property {String | Boolean}  labelDisabled  是否禁止点击提示语选中单选框
 
-  * @property {String}      activeColor    选中时的颜色,如设置parent的active-color将失效
 
-  * @property {String}      inactiveColor  未选中的颜色
 
-  * @property {String | Number}  iconSize    图标大小,单位px
 
-  * @property {String | Number}  labelSize    label字体大小,单位px
 
-  * @property {String | Number}  label      label提示文字,因为nvue下,直接slot进来的文字,由于特殊的结构,无法修改样式
 
-  * @property {String | Number}  size      整体的大小
 
-  * @property {String}      iconColor    图标颜色
 
-  * @property {String}      labelColor    label的颜色
 
-  * @property {Object}      customStyle    组件的样式,对象形式
 
-  *
 
-  * @event {Function} change 某个radio状态发生变化时触发(选中状态)
 
-  * @example <u-radio :labelDisabled="false">门掩黄昏,无计留春住</u-radio>
 
-  */
 
- export default {
 
-   name: "u-radio",
 
-   mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
 
-   data() {
 
-     return {
 
-       checked: false,
 
-       // 当你看到这段代码的时候,
 
-       // 父组件的默认值,因为头条小程序不支持在computed中使用this.parent.shape的形式
 
-       // 故只能使用如此方法
 
-       parentData: {
 
-         iconSize: 12,
 
-         labelDisabled: null,
 
-         disabled: null,
 
-         shape: null,
 
-         activeColor: null,
 
-         inactiveColor: null,
 
-         size: 18,
 
-         value: null,
 
-         iconColor: null,
 
-         placement: 'row',
 
-         borderBottom: false,
 
-         iconPlacement: 'left'
 
-       }
 
-     }
 
-   },
 
-   computed: {
 
-     // 是否禁用,如果父组件u-raios-group禁用的话,将会忽略子组件的配置
 
-     elDisabled() {
 
-       return this.disabled !== '' ? this.disabled : this.parentData.disabled !== null ? this.parentData.disabled : false;
 
-     },
 
-     // 是否禁用label点击
 
-     elLabelDisabled() {
 
-       return this.labelDisabled !== '' ? this.labelDisabled : this.parentData.labelDisabled !== null ? this.parentData.labelDisabled :
 
-           false;
 
-     },
 
-     // 组件尺寸,对应size的值,默认值为21px
 
-     elSize() {
 
-       return this.size ? this.size : (this.parentData.size ? this.parentData.size : 21);
 
-     },
 
-     // 组件的勾选图标的尺寸,默认12px
 
-     elIconSize() {
 
-       return this.iconSize ? this.iconSize : (this.parentData.iconSize ? this.parentData.iconSize : 12);
 
-     },
 
-     // 组件选中激活时的颜色
 
-     elActiveColor() {
 
-       return this.activeColor ? this.activeColor : (this.parentData.activeColor ? this.parentData.activeColor : '#2979ff');
 
-     },
 
-     // 组件选未中激活时的颜色
 
-     elInactiveColor() {
 
-       return this.inactiveColor ? this.inactiveColor : (this.parentData.inactiveColor ? this.parentData.inactiveColor :
 
-           '#c8c9cc');
 
-     },
 
-     // label的颜色
 
-     elLabelColor() {
 
-       return this.labelColor ? this.labelColor : (this.parentData.labelColor ? this.parentData.labelColor : '#606266')
 
-     },
 
-     // 组件的形状
 
-     elShape() {
 
-       return this.shape ? this.shape : (this.parentData.shape ? this.parentData.shape : 'circle');
 
-     },
 
-     // label大小
 
-     elLabelSize() {
 
-       return uni.$u.addUnit(this.labelSize ? this.labelSize : (this.parentData.labelSize ? this.parentData.labelSize :
 
-           '15'))
 
-     },
 
-     elIconColor() {
 
-       const iconColor = this.iconColor ? this.iconColor : (this.parentData.iconColor ? this.parentData.iconColor :
 
-           '#ffffff');
 
-       // 图标的颜色
 
-       if (this.elDisabled) {
 
-         // disabled状态下,已勾选的radio图标改为elInactiveColor
 
-         return this.checked ? this.elInactiveColor : 'transparent'
 
-       } else {
 
-         return this.checked ? iconColor : 'transparent'
 
-       }
 
-     },
 
-     iconClasses() {
 
-       let classes = []
 
-       // 组件的形状
 
-       classes.push('u-radio__icon-wrap--' + this.elShape)
 
-       if (this.elDisabled) {
 
-         classes.push('u-radio__icon-wrap--disabled')
 
-       }
 
-       if (this.checked && this.elDisabled) {
 
-         classes.push('u-radio__icon-wrap--disabled--checked')
 
-       }
 
-       // 支付宝,头条小程序无法动态绑定一个数组类名,否则解析出来的结果会带有",",而导致失效
 
-       // #ifdef MP-ALIPAY || MP-TOUTIAO
 
-       classes = classes.join(' ')
 
-       // #endif
 
-       return classes
 
-     },
 
-     iconWrapStyle() {
 
-       // radio的整体样式
 
-       const style = {}
 
-       style.backgroundColor = this.checked && !this.elDisabled ? this.elActiveColor : '#ffffff'
 
-       style.borderColor = this.checked && !this.elDisabled ? this.elActiveColor : this.elInactiveColor
 
-       style.width = uni.$u.addUnit(this.elSize)
 
-       style.height = uni.$u.addUnit(this.elSize)
 
-       // 如果是图标在右边的话,移除它的右边距
 
-       if (this.parentData.iconPlacement === 'right') {
 
-         style.marginRight = 0
 
-       }
 
-       return style
 
-     },
 
-     radioStyle() {
 
-       const style = {}
 
-       if (this.parentData.borderBottom && this.parentData.placement === 'row') {
 
-         uni.$u.error('检测到您将borderBottom设置为true,需要同时将u-radio-group的placement设置为column才有效')
 
-       }
 
-       // 当父组件设置了显示下边框并且排列形式为纵向时,给内容和边框之间加上一定间隔
 
-       if (this.parentData.borderBottom && this.parentData.placement === 'column') {
 
-         // ios像素密度高,需要多一点的距离
 
-         style.paddingBottom = uni.$u.os() === 'ios' ? '12px' : '8px'
 
-       }
 
-       return uni.$u.deepMerge(style, uni.$u.addStyle(this.customStyle))
 
-     }
 
-   },
 
-   mounted() {
 
-     this.init()
 
-   },
 
-   methods: {
 
-     init() {
 
-       // 支付宝小程序不支持provide/inject,所以使用这个方法获取整个父组件,在created定义,避免循环引用
 
-       this.updateParentData()
 
-       if (!this.parent) {
 
-         uni.$u.error('u-radio必须搭配u-radio-group组件使用')
 
-       }
 
-       // 设置初始化时,是否默认选中的状态
 
-       this.checked = this.name === this.parentData.value
 
-     },
 
-     updateParentData() {
 
-       this.getParentData('u-radio-group')
 
-     },
 
-     // 点击图标
 
-     iconClickHandler(e) {
 
-       this.preventEvent(e)
 
-       // 如果整体被禁用,不允许被点击
 
-       if (!this.elDisabled) {
 
-         this.setRadioCheckedStatus()
 
-       }
 
-     },
 
-     // 横向两端排列时,点击组件即可触发选中事件
 
-     wrapperClickHandler(e) {
 
-       this.parentData.iconPlacement === 'right' && this.iconClickHandler(e)
 
-     },
 
-     // 点击label
 
-     labelClickHandler(e) {
 
-       this.preventEvent(e)
 
-       // 如果按钮整体被禁用或者label被禁用,则不允许点击文字修改状态
 
-       if (!this.elLabelDisabled && !this.elDisabled) {
 
-         this.setRadioCheckedStatus()
 
-       }
 
-     },
 
-     emitEvent() {
 
-       // u-radio的checked不为true时(意味着未选中),才发出事件,避免多次点击触发事件
 
-       if (!this.checked) {
 
-         this.$emit('change', this.name)
 
-         // 尝试调用u-form的验证方法,进行一定延迟,否则微信小程序更新可能会不及时
 
-         this.$nextTick(() => {
 
-           uni.$u.formValidate(this, 'change')
 
-         })
 
-       }
 
-     },
 
-     // 改变组件选中状态
 
-     // 这里的改变的依据是,更改本组件的checked值为true,同时通过父组件遍历所有u-radio实例
 
-     // 将本组件外的其他u-radio的checked都设置为false(都被取消选中状态),因而只剩下一个为选中状态
 
-     setRadioCheckedStatus() {
 
-       this.emitEvent()
 
-       // 将本组件标记为选中状态
 
-       this.checked = true
 
-       typeof this.parent.unCheckedOther === 'function' && this.parent.unCheckedOther(this)
 
-     }
 
-   }
 
- }
 
- </script>
 
- <style lang="scss" scoped>
 
- @import "../../libs/css/components.scss";
 
- $u-radio-wrap-margin-right: 6px !default;
 
- $u-radio-wrap-font-size: 20px !default;
 
- $u-radio-wrap-border-width: 1px !default;
 
- $u-radio-wrap-border-color: #c8c9cc !default;
 
- $u-radio-line-height: 0 !default;
 
- $u-radio-circle-border-radius: 100% !default;
 
- $u-radio-square-border-radius: 3px !default;
 
- $u-radio-checked-color: #fff !default;
 
- $u-radio-checked-background-color: red !default;
 
- $u-radio-checked-border-color: #2979ff !default;
 
- $u-radio-disabled-background-color: #ebedf0 !default;
 
- $u-radio-disabled--checked-color: #c8c9cc !default;
 
- $u-radio-label-margin-left: 5px !default;
 
- $u-radio-label-margin-right: 12px !default;
 
- $u-radio-label-color: $u-content-color !default;
 
- $u-radio-label-font-size: 15px !default;
 
- $u-radio-label-disabled-color: #c8c9cc !default;
 
- .u-radio {
 
-   /* #ifndef APP-NVUE */
 
-   @include flex(row);
 
-   /* #endif */
 
-   overflow: hidden;
 
-   flex-direction: row;
 
-   align-items: center;
 
-   &-label--left {
 
-     flex-direction: row
 
-   }
 
-   &-label--right {
 
-     flex-direction: row-reverse;
 
-     justify-content: space-between
 
-   }
 
-   &__icon-wrap {
 
-     /* #ifndef APP-NVUE */
 
-     box-sizing: border-box;
 
-     // nvue下,border-color过渡有问题
 
-     transition-property: border-color, background-color, color;
 
-     transition-duration: 0.2s;
 
-     /* #endif */
 
-     color: $u-content-color;
 
-     @include flex;
 
-     align-items: center;
 
-     justify-content: center;
 
-     color: transparent;
 
-     text-align: center;
 
-     margin-right: $u-radio-wrap-margin-right;
 
-     font-size: $u-radio-wrap-font-size;
 
-     border-width: $u-radio-wrap-border-width;
 
-     border-color: $u-radio-wrap-border-color;
 
-     border-style: solid;
 
-     /* #ifdef MP-TOUTIAO */
 
-     // 头条小程序兼容性问题,需要设置行高为0,否则图标偏下
 
-     &__icon {
 
-       line-height: $u-radio-line-height;
 
-     }
 
-     /* #endif */
 
-     &--circle {
 
-       border-radius: $u-radio-circle-border-radius;
 
-     }
 
-     &--square {
 
-       border-radius: $u-radio-square-border-radius;
 
-     }
 
-     &--checked {
 
-       color: $u-radio-checked-color;
 
-       background-color: $u-radio-checked-background-color;
 
-       border-color: $u-radio-checked-border-color;
 
-     }
 
-     &--disabled {
 
-       background-color: $u-radio-disabled-background-color !important;
 
-     }
 
-     &--disabled--checked {
 
-       color: $u-radio-disabled--checked-color !important;
 
-     }
 
-   }
 
-   &__label {
 
-     /* #ifndef APP-NVUE */
 
-     word-wrap: break-word;
 
-     /* #endif */
 
-     margin-left: $u-radio-label-margin-left;
 
-     margin-right: $u-radio-label-margin-right;
 
-     color: $u-radio-label-color;
 
-     font-size: $u-radio-label-font-size;
 
-     &--disabled {
 
-       color: $u-radio-label-disabled-color;
 
-     }
 
-   }
 
- }
 
- </style>
 
 
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