fix:立行立改Uniapp小程序新建项目

quanyawei

2023-10-20 d8b41fff43a2cee6a8f714ffa807623b15803786

 uni_modules/uview-ui/components/u-search/u-search.vue

New file
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<template>
   <view
       class="u-search"
       @tap="clickHandler"
       :style="[{
         margin: margin,
      }, $u.addStyle(customStyle)]"
   >
      <view
          class="u-search__content"
          :style="{
            backgroundColor: bgColor,
            borderRadius: shape == 'round' ? '100px' : '4px',
            borderColor: borderColor,
         }"
      >
         <template v-if="$slots.label || label !== null">
            <slot name="label">
               <text class="u-search__content__label">{{ label }}</text>
            </slot>
         </template>
         <view class="u-search__content__icon">
            <u-icon
               @tap="clickIcon"
                :size="searchIconSize"
                :name="searchIcon"
                :color="searchIconColor ? searchIconColor : color"
            ></u-icon>
         </view>
         <input
             confirm-type="search"
             @blur="blur"
             :value="value"
             @confirm="search"
             @input="inputChange"
             :disabled="disabled"
             @focus="getFocus"
             :focus="focus"
             :maxlength="maxlength"
             placeholder-class="u-search__content__input--placeholder"
             :placeholder="placeholder"
             :placeholder-style="`color: ${placeholderColor}`"
             class="u-search__content__input"
             type="text"
             :style="[{
               textAlign: inputAlign,
               color: color,
               backgroundColor: bgColor,
               height: $u.addUnit(height)
            }, inputStyle]"
         />
         <view
             class="u-search__content__icon u-search__content__close"
             v-if="keyword && clearabled && focused"
             @tap="clear"
         >
            <u-icon
                name="close"
                size="11"
                color="#ffffff"
               customStyle="line-height: 12px"
            ></u-icon>
         </view>
      </view>
      <text
          :style="[actionStyle]"
          class="u-search__action"
          :class="[(showActionBtn || show) && 'u-search__action--active']"
          @tap.stop.prevent="custom"
      >{{ actionText }}</text>
   </view>
</template>

<script>
   import props from './props.js';

   /**
    * search 搜索框
    * @description 搜索组件，集成了常见搜索框所需功能，用户可以一键引入，开箱即用。
    * @tutorial https://www.uviewui.com/components/search.html
    * @property {String}         shape            搜索框形状，round-圆形，square-方形（默认 'round' ）
    * @property {String}         bgColor            搜索框背景颜色（默认 '#f2f2f2' ）
    * @property {String}         placeholder         占位文字内容（默认 '请输入关键字' ）
    * @property {Boolean}         clearabled         是否启用清除控件（默认 true ）
    * @property {Boolean}         focus            是否自动获得焦点（默认 false ）
    * @property {Boolean}         showAction         是否显示右侧控件（默认 true ）
    * @property {Object}         actionStyle         右侧控件的样式，对象形式
    * @property {String}         actionText         右侧控件文字（默认 '搜索' ）
    * @property {String}         inputAlign         输入框内容水平对齐方式 （默认 'left' ）
    * @property {Object}         inputStyle         自定义输入框样式，对象形式
    * @property {Boolean}         disabled         是否启用输入框（默认 false ）
    * @property {String}         borderColor         边框颜色，配置了颜色，才会有边框 (默认 'transparent' )
    * @property {String}         searchIconColor      搜索图标的颜色，默认同输入框字体颜色 (默认 '#909399' )
    * @property {Number | String}   searchIconSize 搜索图标的字体，默认22
    * @property {String}         color            输入框字体颜色（默认 '#606266' ）
    * @property {String}         placeholderColor   placeholder的颜色（默认 '#909399' ）
    * @property {String}         searchIcon         输入框左边的图标，可以为uView图标名称或图片路径  (默认 'search' )
    * @property {String}         margin            组件与其他上下左右元素之间的距离，带单位的字符串形式，如"30px"   (默认 '0' )
    * @property {Boolean}          animation         是否开启动画，见上方说明（默认 false ）
    * @property {String}         value            输入框初始值
    * @property {String | Number}   maxlength         输入框最大能输入的长度，-1为不限制长度  (默认 '-1' )
    * @property {String | Number}   height            输入框高度，单位px（默认 64 ）
    * @property {String | Number}   label            搜索框左边显示内容
    * @property {Object}         customStyle         定义需要用到的外部样式
    *
    * @event {Function} change 输入框内容发生变化时触发
    * @event {Function} search 用户确定搜索时触发，用户按回车键，或者手机键盘右下角的"搜索"键时触发
    * @event {Function} custom 用户点击右侧控件时触发
    * @event {Function} clear 用户点击清除按钮时触发
    * @example <u-search placeholder="日照香炉生紫烟" v-model="keyword"></u-search>
    */
   export default {
      name: "u-search",
      mixins: [uni.$u.mpMixin, uni.$u.mixin,props],
      data() {
         return {
            keyword: '',
            showClear: false, // 是否显示右边的清除图标
            show: false,
            // 标记input当前状态是否处于聚焦中，如果是，才会显示右侧的清除控件
            focused: this.focus
            // 绑定输入框的值
            // inputValue: this.value
         };
      },
      watch: {
         keyword(nVal) {
            // 双向绑定值，让v-model绑定的值双向变化
            this.$emit('input', nVal);
            // 触发change事件，事件效果和v-model双向绑定的效果一样，让用户多一个选择
            this.$emit('change', nVal);
         },
         value: {
            immediate: true,
            handler(nVal) {
               this.keyword = nVal;
            }
         }
      },
      computed: {
         showActionBtn() {
            return !this.animation && this.showAction
         }
      },
      methods: {
         // 目前HX2.6.9 v-model双向绑定无效，故监听input事件获取输入框内容的变化
         inputChange(e) {
            this.keyword = e.detail.value;
         },
         // 清空输入
         // 也可以作为用户通过this.$refs形式调用清空输入框内容
         clear() {
            this.keyword = '';
            // 延后发出事件，避免在父组件监听clear事件时，value为更新前的值(不为空)
            this.$nextTick(() => {
               this.$emit('clear');
            })
         },
         // 确定搜索
         search(e) {
            this.$emit('search', e.detail.value);
            try {
               // 收起键盘
               uni.hideKeyboard();
            } catch (e) {}
         },
         // 点击右边自定义按钮的事件
         custom() {
            this.$emit('custom', this.keyword);
            try {
               // 收起键盘
               uni.hideKeyboard();
            } catch (e) {}
         },
         // 获取焦点
         getFocus() {
            this.focused = true;
            // 开启右侧搜索按钮展开的动画效果
            if (this.animation && this.showAction) this.show = true;
            this.$emit('focus', this.keyword);
         },
         // 失去焦点
         blur() {
            // 最开始使用的是监听图标@touchstart事件，自从hx2.8.4后，此方法在微信小程序出错
            // 这里改为监听点击事件，手点击清除图标时，同时也发生了@blur事件，导致图标消失而无法点击，这里做一个延时
            setTimeout(() => {
               this.focused = false;
            }, 100)
            this.show = false;
            this.$emit('blur', this.keyword);
         },
         // 点击搜索框，只有disabled=true时才发出事件，因为禁止了输入，意味着是想跳转真正的搜索页
         clickHandler() {
            if (this.disabled) this.$emit('click');
         },
         // 点击左边图标
         clickIcon() {
            this.$emit('clickIcon');
         }
      }
   }
</script>

<style lang="scss" scoped>
@import "../../libs/css/components.scss";
$u-search-content-padding: 0 10px !default;
$u-search-label-color: $u-main-color !default;
$u-search-label-font-size: 14px !default;
$u-search-label-margin: 0 4px !default;
$u-search-close-size: 20px !default;
$u-search-close-radius: 100px !default;
$u-search-close-bgColor: #C6C7CB !default;
$u-search-close-transform: scale(0.82) !default;
$u-search-input-font-size: 14px !default;
$u-search-input-margin: 0 5px !default;
$u-search-input-color: $u-main-color !default;
$u-search-input-placeholder-color: $u-tips-color !default;
$u-search-action-font-size: 14px !default;
$u-search-action-color: $u-main-color !default;
$u-search-action-width: 0 !default;
$u-search-action-active-width: 40px !default;
$u-search-action-margin-left: 5px !default;

/* #ifdef H5 */
// iOS15在H5下，hx的某些版本，input type=search时，会多了一个搜索图标，进行移除
[type="search"]::-webkit-search-decoration {
    display: none;
}
/* #endif */

.u-search {
   @include flex(row);
   align-items: center;
   flex: 1;

   &__content {
      @include flex;
      align-items: center;
      padding: $u-search-content-padding;
      flex: 1;
      justify-content: space-between;
      border-width: 1px;
      border-color: transparent;
      border-style: solid;
      overflow: hidden;

      &__icon {
         @include flex;
         align-items: center;
      }

      &__label {
         color: $u-search-label-color;
         font-size: $u-search-label-font-size;
         margin: $u-search-label-margin;
      }

      &__close {
         width: $u-search-close-size;
         height: $u-search-close-size;
         border-top-left-radius: $u-search-close-radius;
         border-top-right-radius: $u-search-close-radius;
         border-bottom-left-radius: $u-search-close-radius;
         border-bottom-right-radius: $u-search-close-radius;
         background-color: $u-search-close-bgColor;
         @include flex(row);
         align-items: center;
         justify-content: center;
         transform: $u-search-close-transform;
      }

      &__input {
         flex: 1;
         font-size: $u-search-input-font-size;
         line-height: 1;
         margin: $u-search-input-margin;
         color: $u-search-input-color;

         &--placeholder {
            color: $u-search-input-placeholder-color;
         }
      }
   }

   &__action {
      font-size: $u-search-action-font-size;
      color: $u-search-action-color;
      width: $u-search-action-width;
      overflow: hidden;
      transition-property: width;
      transition-duration: 0.3s;
      /* #ifndef APP-NVUE */
      white-space: nowrap;
      /* #endif */
      text-align: center;

      &--active {
         width: $u-search-action-active-width;
         margin-left: $u-search-action-margin-left;
      }
   }
}
</style>