u-notify.vue 5.9 KB

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  1. <template>
  2. <u-transition
  3. mode="slide-down"
  4. :customStyle="containerStyle"
  5. :show="open"
  6. >
  7. <view
  8. class="u-notify"
  9. :class="[`u-notify--${tmpConfig.type}`]"
  10. :style="[backgroundColor, $u.addStyle(customStyle)]"
  11. >
  12. <u-status-bar v-if="tmpConfig.safeAreaInsetTop"></u-status-bar>
  13. <view class="u-notify__warpper">
  14. <slot name="icon">
  15. <u-icon
  16. v-if="['success', 'warning', 'error'].includes(tmpConfig.type)"
  17. :name="tmpConfig.icon"
  18. :color="tmpConfig.color"
  19. :size="1.3 * tmpConfig.fontSize"
  20. :customStyle="{marginRight: '4px'}"
  21. ></u-icon>
  22. </slot>
  23. <text
  24. class="u-notify__warpper__text"
  25. :style="{
  26. fontSize: $u.addUnit(tmpConfig.fontSize),
  27. color: tmpConfig.color
  28. }"
  29. >{{ tmpConfig.message }}</text>
  30. </view>
  31. </view>
  32. </u-transition>
  33. </template>
  34. <script>
  35. import props from './props.js';
  36. import mpMixin from '../../libs/mixin/mpMixin.js';
  37. import mixin from '../../libs/mixin/mixin.js';
  38. /**
  39. * notify 顶部提示
  40. * @description 该组件一般用于页面顶部向下滑出一个提示,尔后自动收起的场景
  41. * @tutorial
  42. * @property {String | Number} top 到顶部的距离 ( 默认 0 )
  43. * @property {String} type 主题,primary,success,warning,error ( 默认 'primary' )
  44. * @property {String} color 字体颜色 ( 默认 '#ffffff' )
  45. * @property {String} bgColor 背景颜色
  46. * @property {String} message 展示的文字内容
  47. * @property {String | Number} duration 展示时长,为0时不消失,单位ms ( 默认 3000 )
  48. * @property {String | Number} fontSize 字体大小 ( 默认 15 )
  49. * @property {Boolean} safeAreaInsetTop 是否留出顶部安全距离(状态栏高度) ( 默认 false )
  50. * @property {Object} customStyle 组件的样式,对象形式
  51. * @event {Function} open 开启组件时调用的函数
  52. * @event {Function} close 关闭组件式调用的函数
  53. * @example <u-notify message="Hi uView"></u-notify>
  54. */
  55. export default {
  56. name: 'u-notify',
  57. mixins: [mpMixin, mixin,props],
  58. data() {
  59. return {
  60. // 是否展示组件
  61. open: false,
  62. timer: null,
  63. config: {
  64. // 到顶部的距离
  65. top: uni.$u.props.notify.top,
  66. // type主题,primary,success,warning,error
  67. type: uni.$u.props.notify.type,
  68. // 字体颜色
  69. color: uni.$u.props.notify.color,
  70. // 背景颜色
  71. bgColor: uni.$u.props.notify.bgColor,
  72. // 展示的文字内容
  73. message: uni.$u.props.notify.message,
  74. // 展示时长,为0时不消失,单位ms
  75. duration: uni.$u.props.notify.duration,
  76. // 字体大小
  77. fontSize: uni.$u.props.notify.fontSize,
  78. // 是否留出顶部安全距离(状态栏高度)
  79. safeAreaInsetTop: uni.$u.props.notify.safeAreaInsetTop
  80. },
  81. // 合并后的配置,避免多次调用组件后,可能会复用之前使用的配置参数
  82. tmpConfig: {}
  83. }
  84. },
  85. computed: {
  86. containerStyle() {
  87. let top = 0
  88. if (this.tmpConfig.top === 0) {
  89. // #ifdef H5
  90. // H5端,导航栏为普通元素,需要将组件移动到导航栏的下边沿
  91. // H5的导航栏高度为44px
  92. top = 44
  93. // #endif
  94. }
  95. const style = {
  96. top: uni.$u.addUnit(this.tmpConfig.top === 0 ? top : this.tmpConfig.top),
  97. // 因为组件底层为u-transition组件,必须将其设置为fixed定位
  98. // 让其出现在导航栏底部
  99. position: 'fixed',
  100. left: 0,
  101. right: 0,
  102. zIndex: 10076
  103. }
  104. return style
  105. },
  106. // 组件背景颜色
  107. backgroundColor() {
  108. const style = {}
  109. if (this.tmpConfig.bgColor) {
  110. style.backgroundColor = this.tmpConfig.bgColor
  111. }
  112. return style
  113. },
  114. // 默认主题下的图标
  115. icon() {
  116. let icon
  117. if (this.tmpConfig.type === 'success') {
  118. icon = 'checkmark-circle'
  119. } else if (this.tmpConfig.type === 'error') {
  120. icon = 'close-circle'
  121. } else if (this.tmpConfig.type === 'warning') {
  122. icon = 'error-circle'
  123. }
  124. return icon
  125. }
  126. },
  127. created() {
  128. // 通过主题的形式调用toast,批量生成方法函数
  129. ['primary', 'success', 'error', 'warning'].map(item => {
  130. this[item] = message => this.show({
  131. type: item,
  132. message
  133. })
  134. })
  135. },
  136. methods: {
  137. show(options) {
  138. // 不将结果合并到this.config变量,避免多次调用u-toast,前后的配置造成混乱
  139. this.tmpConfig = uni.$u.deepMerge(this.config, options)
  140. // 任何定时器初始化之前,都要执行清除操作,否则可能会造成混乱
  141. this.clearTimer()
  142. this.open = true
  143. if (this.tmpConfig.duration > 0) {
  144. this.timer = setTimeout(() => {
  145. this.open = false
  146. // 倒计时结束,清除定时器,隐藏toast组件
  147. this.clearTimer()
  148. // 判断是否存在callback方法,如果存在就执行
  149. typeof(this.tmpConfig.complete) === 'function' && this.tmpConfig.complete()
  150. }, this.tmpConfig.duration)
  151. }
  152. },
  153. // 关闭notify
  154. close() {
  155. this.clearTimer()
  156. },
  157. clearTimer() {
  158. this.open = false
  159. // 清除定时器
  160. clearTimeout(this.timer)
  161. this.timer = null
  162. }
  163. },
  164. beforeDestroy() {
  165. this.clearTimer()
  166. }
  167. }
  168. </script>
  169. <style lang="scss" scoped>
  170. @import "../../libs/css/components.scss";
  171. $u-notify-padding: 8px 10px !default;
  172. $u-notify-text-font-size: 15px !default;
  173. $u-notify-primary-bgColor: $u-primary !default;
  174. $u-notify-success-bgColor: $u-success !default;
  175. $u-notify-error-bgColor: $u-error !default;
  176. $u-notify-warning-bgColor: $u-warning !default;
  177. .u-notify {
  178. padding: $u-notify-padding;
  179. &__warpper {
  180. @include flex;
  181. align-items: center;
  182. text-align: center;
  183. justify-content: center;
  184. &__text {
  185. font-size: $u-notify-text-font-size;
  186. text-align: center;
  187. }
  188. }
  189. &--primary {
  190. background-color: $u-notify-primary-bgColor;
  191. }
  192. &--success {
  193. background-color: $u-notify-success-bgColor;
  194. }
  195. &--error {
  196. background-color: $u-notify-error-bgColor;
  197. }
  198. &--warning {
  199. background-color: $u-notify-warning-bgColor;
  200. }
  201. }
  202. </style>