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- <template>
- <view
- class="tn-input-class tn-input"
- :class="{
- 'tn-input--border': border,
- 'tn-input--error': validateState
- }"
- :style="{
- padding: `0 ${border ? 20 : 0}rpx`,
- borderColor: borderColor,
- textAlign: inputAlign
- }"
- @tap.stop="inputClick"
- >
- <textarea
- v-if="type === 'textarea'"
- class="tn-input__input tn-input__textarea"
- :style="[inputStyle]"
- :value="defaultValue"
- :placeholder="placeholder"
- :placeholderStyle="placeholderStyle"
- :disabled="disabled || type === 'select'"
- :maxlength="maxLength"
- :fixed="fixed"
- :focus="focus"
- :autoHeight="autoHeight"
- :selectionStart="elSelectionStart"
- :selectionEnd="elSelectionEnd"
- :cursorSpacing="cursorSpacing"
- :showConfirmBar="showConfirmBar"
- @input="handleInput"
- @blur="handleBlur"
- @focus="onFocus"
- @confirm="onConfirm"
- />
- <input
- v-else
- class="tn-input__input"
- :type="type === 'password' ? 'text' : type"
- :style="[inputStyle]"
- :value="defaultValue"
- :password="type === 'password' && !showPassword"
- :placeholder="placeholder"
- :placeholderStyle="placeholderStyle"
- :disabled="disabled || type === 'select'"
- :maxlength="maxLength"
- :focus="focus"
- :confirmType="confirmType"
- :selectionStart="elSelectionStart"
- :selectionEnd="elSelectionEnd"
- :cursorSpacing="cursorSpacing"
- :showConfirmBar="showConfirmBar"
- @input="handleInput"
- @blur="handleBlur"
- @focus="onFocus"
- @confirm="onConfirm"
- />
-
- <!-- 右边的icon -->
- <view class="tn-input__right-icon tn-flex tn-flex-col-center">
- <!-- 清除按钮 -->
- <view
- v-if="clearable && value !== '' && focused"
- class="tn-input__right-icon__item tn-input__right-icon__clear"
- @tap="onClear"
- >
- <view class="icon tn-icon-close"></view>
- </view>
- <view
- v-else-if="type === 'text' && !focused && showRightIcon && rightIcon !== ''"
- class="tn-input__right-icon__item tn-input__right-icon__clear"
- >
- <view class="icon" :class="[`tn-icon-${rightIcon}`]"></view>
- </view>
- <!-- 显示密码按钮 -->
- <view
- v-if="passwordIcon && type === 'password'"
- class="tn-input__right-icon__item tn-input__right-icon__clear"
- @tap="showPassword = !showPassword"
- >
- <view v-if="!showPassword" class="tn-icon-eye-hide"></view>
- <view v-else class="icon tn-icon-eye"></view>
- </view>
- <!-- 可选项箭头 -->
- <view
- v-if="type === 'select'"
- class="tn-input__right-icon__item tn-input__right-icon__select"
- :class="{
- 'tn-input__right-icon__select--reverse': selectOpen
- }"
- >
- <view class="icon tn-icon-up-triangle"></view>
- </view>
- </view>
- </view>
- </template>
- <script>
- import Emitter from '../../libs/utils/emitter.js'
-
- export default {
- mixins: [Emitter],
- name: 'tn-input',
- props: {
- value: {
- type: [String, Number],
- default: ''
- },
- // 输入框的类型
- type: {
- type: String,
- default: 'text'
- },
- // 输入框文字对齐方式
- inputAlign: {
- type: String,
- default: 'left'
- },
- // 文本框为空时显示的信息
- placeholder: {
- type: String,
- default: ''
- },
- placeholderStyle: {
- type: String,
- default: 'color: #AAAAAA'
- },
- // 是否禁用输入框
- disabled: {
- type: Boolean,
- default: false
- },
- // 可输入文字的最大长度
- maxLength: {
- type: Number,
- default: 255
- },
- // 输入框高度
- height: {
- type: Number,
- default: 0
- },
- // 根据内容自动调整高度
- autoHeight: {
- type: Boolean,
- default: true
- },
- // 键盘右下角显示的文字,仅在text时生效
- confirmType: {
- type: String,
- default: 'done'
- },
- // 输入框自定义样式
- customStyle: {
- type: Object,
- default() {
- return {}
- }
- },
- // 是否固定输入框
- fixed: {
- type: Boolean,
- default: false
- },
- // 是否自动获取焦点
- focus: {
- type: Boolean,
- default: false
- },
- // 当type为password时,是否显示右侧密码图标
- passwordIcon: {
- type: Boolean,
- default: true
- },
- // 当type为 input或者textarea时是否显示边框
- border: {
- type: Boolean,
- default: false
- },
- // 边框的颜色
- borderColor: {
- type: String,
- default: '#dcdfe6'
- },
- // 当type为select时,旋转右侧图标,标记当时select是打开还是关闭
- selectOpen: {
- type: Boolean,
- default: false
- },
- // 是否可清空
- clearable: {
- type: Boolean,
- default: true
- },
- // 光标与键盘的距离
- cursorSpacing: {
- type: Number,
- default: 0
- },
- // selectionStart和selectionEnd需要搭配使用,自动聚焦时生效
- // 光标起始位置
- selectionStart: {
- type: Number,
- default: -1
- },
- // 光标结束位置
- selectionEnd: {
- type: Number,
- default: -1
- },
- // 自动去除两端空格
- trim: {
- type: Boolean,
- default: true
- },
- // 是否显示键盘上方的完成按钮
- showConfirmBar: {
- type: Boolean,
- default: true
- },
- // 是否在输入框内最右边显示图标
- showRightIcon: {
- type: Boolean,
- default: false
- },
- // 最右边图标的名称
- rightIcon: {
- type: String,
- default: ''
- }
- },
- computed: {
- // 输入框样式
- inputStyle() {
- let style = {}
- // 如果没有设置高度,根据不同的类型设置一个默认值
- style.minHeight = this.height ? this.height + 'rpx' :
- this.type === 'textarea' ? this.textareaHeight + 'rpx' : this.inputHeight + 'rpx'
-
- style = Object.assign(style, this.customStyle)
-
- return style
- },
- // 光标起始位置
- elSelectionStart() {
- return String(this.selectionStart)
- },
- // 光标结束位置
- elSelectionEnd() {
- return String(this.selectionEnd)
- }
- },
- data() {
- return {
- // 默认值
- defaultValue: this.value,
- // 输入框高度
- inputHeight: 70,
- // textarea的高度
- textareaHeight: 100,
- // 标记验证的状态
- validateState: false,
- // 标记是否获取到焦点
- focused: false,
- // 是否预览密码
- showPassword: false,
- // 用于头条小程序,判断@input中,前后的值是否发生了变化,因为头条中文下,按下键没有输入内容,也会触发@input事件
- lastValue: '',
- }
- },
- watch: {
- value(newVal, oldVal) {
- this.defaultValue = newVal
- // 当值发生变化时,并且type为select时,不会触发input事件
- // 模拟input事件
- if (newVal !== oldVal && this.type === 'select') {
- this.handleInput({
- detail: {
- value: newVal
- }
- })
- }
- }
- },
- created() {
- // 监听form-item发出的错误事件,将输入框变成红色
- this.$on("on-form-item-error", this.onFormItemError)
- },
- methods: {
- /**
- * input事件
- */
- handleInput(event) {
- let value = event.detail.value
- // 是否需要去掉空格
- if (this.trim) value = this.$t.string.trim(value)
- // 原生事件
- this.$emit('input', value)
- // model赋值
- this.defaultValue = value
- // 过一个生命周期再发送事件给tn-form-item,否则this.$emit('input')更新了父组件的值,但是微信小程序上
- // 尚未更新到tn-form-item,导致获取的值为空,从而校验混论
- // 这里不能延时时间太短,或者使用this.$nextTick,否则在头条上,会造成混乱
- setTimeout(() => {
- // 头条小程序由于自身bug,导致中文下,每按下一个键(尚未完成输入),都会触发一次@input,导致错误,这里进行判断处理
- // #ifdef MP-TOUTIAO
- if (this.$t.string.trim(value) === this.lastValue) return
- this.lastValue = value
- // #endif
-
- // 发送当前的值到form-item进行校验
- this.dispatch('tn-form-item','on-form-change', value)
- }, 40)
- },
- /**
- * blur事件
- */
- handleBlur(event) {
- let value = event.detail.value
-
- // 由于点击清除图标也会触发blur事件,导致图标消失从而无法点击
- setTimeout(() => {
- this.focused = false
- }, 100)
-
- // 原生事件
- this.$emit('blur', value)
- // 过一个生命周期再发送事件给tn-form-item,否则this.$emit('blur')更新了父组件的值,但是微信小程序上
- // 尚未更新到tn-form-item,导致获取的值为空,从而校验混论
- // 这里不能延时时间太短,或者使用this.$nextTick,否则在头条上,会造成混乱
- setTimeout(() => {
- // 头条小程序由于自身bug,导致中文下,每按下一个键(尚未完成输入),都会触发一次@input,导致错误,这里进行判断处理
- // #ifdef MP-TOUTIAO
- if (this.$t.string.trim(value) === this.lastValue) return
- this.lastValue = value
- // #endif
-
- // 发送当前的值到form-item进行校验
- this.dispatch('tn-form-item','on-form-blur', value)
- }, 40)
- },
- // 处理校验错误
- onFormItemError(status) {
- this.validateState = status
- },
- // 聚焦事件
- onFocus(event) {
- this.focused = true
- this.$emit('focus')
- },
- // 点击确认按钮事件
- onConfirm(event) {
- this.$emit('confirm', event.detail.value)
- },
- // 清除事件
- onClear(event) {
- this.$emit('input', '')
- },
- // 点击事件
- inputClick() {
- this.$emit('click')
- }
- }
- }
- </script>
- <style lang="scss" scoped>
- .tn-input {
- display: flex;
- flex-direction: row;
- position: relative;
- flex: 1;
-
- &__input {
- font-size: 28rpx;
- color: $tn-font-color;
- flex: 1;
- }
-
- &__textarea {
- width: auto;
- font-size: 28rpx;
- color: $tn-font-color;
- padding: 10rpx 0;
- line-height: normal;
- flex: 1;
- }
-
- &--border {
- border-radius: 6rpx;
- border: 2rpx solid $tn-border-solid-color;
- }
-
- &--error {
- border-color: $tn-color-red !important;
- }
-
- &__right-icon {
- line-height: 1;
- .icon {
- color: $tn-font-sub-color;
- }
-
- &__item {
- margin-left: 10rpx;
- }
-
- &__clear {
- .icon {
- font-size: 32rpx;
- }
- }
-
- &__select {
- transition: transform .4s;
-
- .icon {
- font-size: 26rpx;
- }
-
- &--reverse {
- transform: rotate(-180deg);
- }
- }
- }
- }
- </style>
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