u-avatar.vue 8.9 KB

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  1. <template>
  2. <view
  3. class="u-avatar"
  4. :class="[`u-avatar--${shape}`]"
  5. :style="[{
  6. backgroundColor: (text || icon) ? (randomBgColor ? colors[colorIndex !== '' ? colorIndex : $u.random(0, 19)] : bgColor) : 'transparent',
  7. width: $u.addUnit(size),
  8. height: $u.addUnit(size),
  9. }, $u.addStyle(customStyle)]"
  10. @tap="clickHandler"
  11. >
  12. <slot>
  13. <!-- #ifdef MP-WEIXIN || MP-QQ || MP-BAIDU -->
  14. <open-data
  15. v-if="mpAvatar && allowMp"
  16. type="userAvatarUrl"
  17. :style="[{
  18. width: $u.addUnit(size),
  19. height: $u.addUnit(size)
  20. }]"
  21. />
  22. <!-- #endif -->
  23. <!-- #ifndef MP-WEIXIN && MP-QQ && MP-BAIDU -->
  24. <template v-if="mpAvatar && allowMp"></template>
  25. <!-- #endif -->
  26. <u-icon
  27. v-else-if="icon"
  28. :name="icon"
  29. :size="fontSize"
  30. :color="color"
  31. ></u-icon>
  32. <u--text
  33. v-else-if="text"
  34. :text="text"
  35. :size="fontSize"
  36. :color="color"
  37. align="center"
  38. customStyle="justify-content: center"
  39. ></u--text>
  40. <image
  41. class="u-avatar__image"
  42. v-else
  43. :class="[`u-avatar__image--${shape}`]"
  44. :src="avatarUrl || defaultUrl"
  45. :mode="mode"
  46. @error="errorHandler"
  47. :style="[{
  48. width: $u.addUnit(size),
  49. height: $u.addUnit(size)
  50. }]"
  51. ></image>
  52. </slot>
  53. </view>
  54. </template>
  55. <script>
  56. import props from './props.js';
  57. const base64Avatar =
  58. "data:image/jpg;base64,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";
  59. /**
  60. * Avatar 头像
  61. * @description 本组件一般用于展示头像的地方,如个人中心,或者评论列表页的用户头像展示等场所。
  62. * @tutorial https://www.uviewui.com/components/avatar.html
  63. *
  64. * @property {String} src 头像路径,如加载失败,将会显示默认头像(不能为相对路径)
  65. * @property {String} shape 头像形状 ( circle (默认) | square)
  66. * @property {String | Number} size 头像尺寸,可以为指定字符串(large, default, mini),或者数值 (默认 40 )
  67. * @property {String} mode 头像图片的裁剪类型,与uni的image组件的mode参数一致,如效果达不到需求,可尝试传widthFix值 (默认 'scaleToFill' )
  68. * @property {String} text 用文字替代图片,级别优先于src
  69. * @property {String} bgColor 背景颜色,一般显示文字时用 (默认 '#c0c4cc' )
  70. * @property {String} color 文字颜色 (默认 '#ffffff' )
  71. * @property {String | Number} fontSize 文字大小 (默认 18 )
  72. * @property {String} icon 显示的图标
  73. * @property {Boolean} mpAvatar 显示小程序头像,只对百度,微信,QQ小程序有效 (默认 false )
  74. * @property {Boolean} randomBgColor 是否使用随机背景色 (默认 false )
  75. * @property {String} defaultUrl 加载失败的默认头像(组件有内置默认图片)
  76. * @property {String | Number} colorIndex 如果配置了randomBgColor为true,且配置了此值,则从默认的背景色数组中取出对应索引的颜色值,取值0-19之间
  77. * @property {String} name 组件标识符 (默认 'level' )
  78. * @property {Object} customStyle 定义需要用到的外部样式
  79. *
  80. * @event {Function} click 点击组件时触发 index: 用户传递的标识符
  81. * @example <u-avatar :src="src" mode="square"></u-avatar>
  82. */
  83. export default {
  84. name: 'u-avatar',
  85. mixins: [uni.$u.mpMixin, uni.$u.mixin, props],
  86. data() {
  87. return {
  88. // 如果配置randomBgColor参数为true,在图标或者文字的模式下,会随机从中取出一个颜色值当做背景色
  89. colors: ['#ffb34b', '#f2bba9', '#f7a196', '#f18080', '#88a867', '#bfbf39', '#89c152', '#94d554', '#f19ec2',
  90. '#afaae4', '#e1b0df', '#c38cc1', '#72dcdc', '#9acdcb', '#77b1cc', '#448aca', '#86cefa', '#98d1ee',
  91. '#73d1f1',
  92. '#80a7dc'
  93. ],
  94. avatarUrl: this.src,
  95. allowMp: false
  96. }
  97. },
  98. watch: {
  99. // 监听头像src的变化,赋值给内部的avatarUrl变量,因为图片加载失败时,需要修改图片的src为默认值
  100. // 而组件内部不能直接修改props的值,所以需要一个中间变量
  101. src: {
  102. immediate: true,
  103. handler(newVal) {
  104. this.avatarUrl = newVal
  105. // 如果没有传src,则主动触发error事件,用于显示默认的头像,否则src为''空字符等的时候,会无内容展示
  106. if(!newVal) {
  107. this.errorHandler()
  108. }
  109. }
  110. }
  111. },
  112. computed: {
  113. imageStyle() {
  114. const style = {}
  115. return style
  116. }
  117. },
  118. created() {
  119. this.init()
  120. },
  121. methods: {
  122. init() {
  123. // 目前只有这几个小程序平台具有open-data标签
  124. // 其他平台可以通过uni.getUserInfo类似接口获取信息,但是需要弹窗授权(首次),不合符组件逻辑
  125. // 故目前自动获取小程序头像只支持这几个平台
  126. // #ifdef MP-WEIXIN || MP-QQ || MP-BAIDU
  127. this.allowMp = true
  128. // #endif
  129. },
  130. // 判断传入的name属性,是否图片路径,只要带有"/"均认为是图片形式
  131. isImg() {
  132. return this.src.indexOf('/') !== -1
  133. },
  134. // 图片加载时失败时触发
  135. errorHandler() {
  136. this.avatarUrl = this.defaultUrl || base64Avatar
  137. },
  138. clickHandler() {
  139. this.$emit('click', this.name)
  140. }
  141. }
  142. }
  143. </script>
  144. <style lang="scss" scoped>
  145. @import "../../libs/css/components.scss";
  146. .u-avatar {
  147. @include flex;
  148. align-items: center;
  149. justify-content: center;
  150. &--circle {
  151. border-radius: 100px;
  152. }
  153. &--square {
  154. border-radius: 4px;
  155. }
  156. &__image {
  157. &--circle {
  158. border-radius: 100px;
  159. overflow: hidden;
  160. }
  161. &--square {
  162. border-radius: 4px;
  163. }
  164. }
  165. }
  166. </style>