JM-MiniApp/uni_modules/uni-easyinput/components/uni-easyinput/uni-easyinput.vue
2023-10-18 21:00:42 +08:00

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<template>
<view class="uni-easyinput" :class="{ 'uni-easyinput-error': msg }" :style="boxStyle">
<view class="uni-easyinput__content" :class="inputContentClass" :style="inputContentStyle">
<uni-icons v-if="prefixIcon" class="content-clear-icon" :type="prefixIcon" color="#c0c4cc" @click="onClickIcon('prefix')" size="22"></uni-icons>
<textarea
v-if="type === 'textarea'"
class="uni-easyinput__content-textarea"
:class="{ 'input-padding': inputBorder }"
:name="name"
:value="val"
:placeholder="placeholder"
:placeholderStyle="placeholderStyle"
:disabled="disabled"
placeholder-class="uni-easyinput__placeholder-class"
:maxlength="inputMaxlength"
:focus="focused"
:autoHeight="autoHeight"
:cursor-spacing="cursorSpacing"
@input="onInput"
@blur="_Blur"
@focus="_Focus"
@confirm="onConfirm"
@keyboardheightchange="onkeyboardheightchange"
></textarea>
<input
v-else
:type="type === 'password' ? 'text' : type"
class="uni-easyinput__content-input"
:style="inputStyle"
:name="name"
:value="val"
:password="!showPassword && type === 'password'"
:placeholder="placeholder"
:placeholderStyle="placeholderStyle"
placeholder-class="uni-easyinput__placeholder-class"
:disabled="disabled"
:maxlength="inputMaxlength"
:focus="focused"
:confirmType="confirmType"
:cursor-spacing="cursorSpacing"
@focus="_Focus"
@blur="_Blur"
@input="onInput"
@confirm="onConfirm"
@keyboardheightchange="onkeyboardheightchange"
/>
<template v-if="type === 'password' && passwordIcon">
<!-- 开启密码时显示小眼睛 -->
<uni-icons
v-if="isVal"
class="content-clear-icon"
:class="{ 'is-textarea-icon': type === 'textarea' }"
:type="showPassword ? 'eye-slash-filled' : 'eye-filled'"
:size="22"
:color="focusShow ? primaryColor : '#c0c4cc'"
@click="onEyes"
></uni-icons>
</template>
<template v-else-if="suffixIcon">
<uni-icons v-if="suffixIcon" class="content-clear-icon" :type="suffixIcon" color="#c0c4cc" @click="onClickIcon('suffix')" size="22"></uni-icons>
</template>
<template v-else>
<uni-icons
v-if="clearable && isVal && !disabled && type !== 'textarea'"
class="content-clear-icon"
:class="{ 'is-textarea-icon': type === 'textarea' }"
type="clear"
:size="clearSize"
:color="msg ? '#dd524d' : focusShow ? primaryColor : '#c0c4cc'"
@click="onClear"
></uni-icons>
</template>
<slot name="right"></slot>
</view>
</view>
</template>
<script>
/**
* Easyinput 输入框
* @description 此组件可以实现表单的输入与校验,包括 "text" 和 "textarea" 类型。
* @tutorial https://ext.dcloud.net.cn/plugin?id=3455
* @property {String} value 输入内容
* @property {String } type 输入框的类型默认text password/text/textarea/..
* @value text 文本输入键盘
* @value textarea 多行文本输入键盘
* @value password 密码输入键盘
* @value number 数字输入键盘注意iOS上app-vue弹出的数字键盘并非9宫格方式
* @value idcard 身份证输入键盘信、支付宝、百度、QQ小程序
* @value digit 带小数点的数字键盘 App的nvue页面、微信、支付宝、百度、头条、QQ小程序支持
* @property {Boolean} clearable 是否显示右侧清空内容的图标控件点击可清空输入框内容默认true
* @property {Boolean} autoHeight 是否自动增高输入区域type为textarea时有效默认true
* @property {String } placeholder 输入框的提示文字
* @property {String } placeholderStyle placeholder的样式(内联样式,字符串),如"color: #ddd"
* @property {Boolean} focus 是否自动获得焦点默认false
* @property {Boolean} disabled 是否禁用默认false
* @property {Number } maxlength 最大输入长度,设置为 -1 的时候不限制最大长度默认140
* @property {String } confirmType 设置键盘右下角按钮的文字仅在type="text"时生效默认done
* @property {Number } clearSize 清除图标的大小单位px默认15
* @property {String} prefixIcon 输入框头部图标
* @property {String} suffixIcon 输入框尾部图标
* @property {String} primaryColor 设置主题色(默认#2979ff
* @property {Boolean} trim 是否自动去除两端的空格
* @property {Boolean} cursorSpacing 指定光标与键盘的距离,单位 px
* @value both 去除两端空格
* @value left 去除左侧空格
* @value right 去除右侧空格
* @value start 去除左侧空格
* @value end 去除右侧空格
* @value all 去除全部空格
* @value none 不去除空格
* @property {Boolean} inputBorder 是否显示input输入框的边框默认true
* @property {Boolean} passwordIcon type=password时是否显示小眼睛图标
* @property {Object} styles 自定义颜色
* @event {Function} input 输入框内容发生变化时触发
* @event {Function} focus 输入框获得焦点时触发
* @event {Function} blur 输入框失去焦点时触发
* @event {Function} confirm 点击完成按钮时触发
* @event {Function} iconClick 点击图标时触发
* @example <uni-easyinput v-model="mobile"></uni-easyinput>
*/
function obj2strClass(obj) {
let classess = '';
for (let key in obj) {
const val = obj[key];
if (val) {
classess += `${key} `;
}
}
return classess;
}
function obj2strStyle(obj) {
let style = '';
for (let key in obj) {
const val = obj[key];
style += `${key}:${val};`;
}
return style;
}
export default {
name: 'uni-easyinput',
emits: ['click', 'iconClick', 'update:modelValue', 'input', 'focus', 'blur', 'confirm', 'clear', 'eyes', 'change', 'keyboardheightchange'],
model: {
prop: 'modelValue',
event: 'update:modelValue'
},
options: {
virtualHost: true
},
inject: {
form: {
from: 'uniForm',
default: null
},
formItem: {
from: 'uniFormItem',
default: null
}
},
props: {
name: String,
value: [Number, String],
modelValue: [Number, String],
type: {
type: String,
default: 'text'
},
clearable: {
type: Boolean,
default: true
},
autoHeight: {
type: Boolean,
default: false
},
placeholder: {
type: String,
default: ' '
},
placeholderStyle: String,
focus: {
type: Boolean,
default: false
},
disabled: {
type: Boolean,
default: false
},
maxlength: {
type: [Number, String],
default: 140
},
confirmType: {
type: String,
default: 'done'
},
clearSize: {
type: [Number, String],
default: 24
},
inputBorder: {
type: Boolean,
default: true
},
prefixIcon: {
type: String,
default: ''
},
suffixIcon: {
type: String,
default: ''
},
trim: {
type: [Boolean, String],
default: false
},
cursorSpacing: {
type: Number,
default: 0
},
passwordIcon: {
type: Boolean,
default: true
},
primaryColor: {
type: String,
default: '#2979ff'
},
styles: {
type: Object,
default() {
return {
color: '#333',
backgroundColor: '#fff',
disableColor: '#F7F6F6',
borderColor: '#e5e5e5'
};
}
},
errorMessage: {
type: [String, Boolean],
default: ''
}
},
data() {
return {
focused: false,
val: '',
showMsg: '',
border: false,
isFirstBorder: false,
showClearIcon: false,
showPassword: false,
focusShow: false,
localMsg: '',
isEnter: false // 用于判断当前是否是使用回车操作
};
},
computed: {
// 输入框内是否有值
isVal() {
const val = this.val;
// fixed by mehaotian 处理值为0的情况字符串0不在处理范围
if (val || val === 0) {
return true;
}
return false;
},
msg() {
// console.log('computed', this.form, this.formItem);
// if (this.form) {
// return this.errorMessage || this.formItem.errMsg;
// }
// TODO 处理头条 formItem 中 errMsg 不更新的问题
return this.localMsg || this.errorMessage;
},
// 因为uniapp的input组件的maxlength组件必须要数值这里转为数值用户可以传入字符串数值
inputMaxlength() {
return Number(this.maxlength);
},
// 处理外层样式的style
boxStyle() {
return `color:${this.inputBorder && this.msg ? '#e43d33' : this.styles.color};`;
},
// input 内容的类和样式处理
inputContentClass() {
return obj2strClass({
'is-input-border': this.inputBorder,
'is-input-error-border': this.inputBorder && this.msg,
'is-textarea': this.type === 'textarea',
'is-disabled': this.disabled,
'is-focused': this.focusShow
});
},
inputContentStyle() {
const focusColor = this.focusShow ? this.primaryColor : this.styles.borderColor;
const borderColor = this.inputBorder && this.msg ? '#dd524d' : focusColor;
return obj2strStyle({
'border-color': borderColor || '#e5e5e5',
'background-color': this.disabled ? this.styles.disableColor : this.styles.backgroundColor
});
},
// input右侧样式
inputStyle() {
const paddingRight = this.type === 'password' || this.clearable || this.prefixIcon ? '' : '10px';
return obj2strStyle({
'padding-right': paddingRight,
'padding-left': this.prefixIcon ? '' : '10px'
});
}
},
watch: {
value(newVal) {
this.val = newVal;
},
modelValue(newVal) {
this.val = newVal;
},
focus(newVal) {
this.$nextTick(() => {
this.focused = this.focus;
this.focusShow = this.focus;
});
}
},
created() {
this.init();
// TODO 处理头条vue3 computed 不监听 inject 更改的问题formItem.errMsg
if (this.form && this.formItem) {
this.$watch('formItem.errMsg', newVal => {
this.localMsg = newVal;
});
}
},
mounted() {
this.$nextTick(() => {
this.focused = this.focus;
this.focusShow = this.focus;
});
},
methods: {
/**
* 初始化变量值
*/
init() {
if (this.value || this.value === 0) {
this.val = this.value;
} else if (this.modelValue || this.modelValue === 0 || this.modelValue === '') {
this.val = this.modelValue;
} else {
this.val = null;
}
},
/**
* 点击图标时触发
* @param {Object} type
*/
onClickIcon(type) {
this.$emit('iconClick', type);
},
/**
* 显示隐藏内容,密码框时生效
*/
onEyes() {
this.showPassword = !this.showPassword;
this.$emit('eyes', this.showPassword);
},
/**
* 输入时触发
* @param {Object} event
*/
onInput(event) {
let value = event.detail.value;
// 判断是否去除空格
if (this.trim) {
if (typeof this.trim === 'boolean' && this.trim) {
value = this.trimStr(value);
}
if (typeof this.trim === 'string') {
value = this.trimStr(value, this.trim);
}
}
if (this.errMsg) this.errMsg = '';
this.val = value;
// TODO 兼容 vue2
this.$emit('input', value);
// TODO 兼容 vue3
this.$emit('update:modelValue', value);
},
/**
* 外部调用方法
* 获取焦点时触发
* @param {Object} event
*/
onFocus() {
this.$nextTick(() => {
this.focused = true;
});
this.$emit('focus', null);
},
_Focus(event) {
this.focusShow = true;
this.$emit('focus', event);
},
/**
* 外部调用方法
* 失去焦点时触发
* @param {Object} event
*/
onBlur() {
this.focused = false;
this.$emit('focus', null);
},
_Blur(event) {
let value = event.detail.value;
this.focusShow = false;
this.$emit('blur', event);
// 根据类型返回值在event中获取的值理论上讲都是string
if (this.isEnter === false) {
this.$emit('change', this.val);
}
// 失去焦点时参与表单校验
if (this.form && this.formItem) {
const { validateTrigger } = this.form;
if (validateTrigger === 'blur') {
this.formItem.onFieldChange();
}
}
},
/**
* 按下键盘的发送键
* @param {Object} e
*/
onConfirm(e) {
this.$emit('confirm', this.val);
this.isEnter = true;
this.$emit('change', this.val);
this.$nextTick(() => {
this.isEnter = false;
});
},
/**
* 清理内容
* @param {Object} event
*/
onClear(event) {
this.val = '';
// TODO 兼容 vue2
this.$emit('input', '');
// TODO 兼容 vue2
// TODO 兼容 vue3
this.$emit('update:modelValue', '');
// 点击叉号触发
this.$emit('clear');
},
/**
* 键盘高度发生变化的时候触发此事件
* 兼容性微信小程序2.7.0+、App 3.1.0+
* @param {Object} event
*/
onkeyboardheightchange(event) {
this.$emit("keyboardheightchange",event);
},
/**
* 去除空格
*/
trimStr(str, pos = 'both') {
if (pos === 'both') {
return str.trim();
} else if (pos === 'left') {
return str.trimLeft();
} else if (pos === 'right') {
return str.trimRight();
} else if (pos === 'start') {
return str.trimStart();
} else if (pos === 'end') {
return str.trimEnd();
} else if (pos === 'all') {
return str.replace(/\s+/g, '');
} else if (pos === 'none') {
return str;
}
return str;
}
}
};
</script>
<style lang="scss">
$uni-error: #e43d33;
$uni-border-1: #dcdfe6 !default;
.uni-easyinput {
/* #ifndef APP-NVUE */
width: 100%;
/* #endif */
flex: 1;
position: relative;
text-align: left;
color: #333;
font-size: 14px;
}
.uni-easyinput__content {
flex: 1;
/* #ifndef APP-NVUE */
width: 100%;
display: flex;
box-sizing: border-box;
// min-height: 36px;
/* #endif */
flex-direction: row;
align-items: center;
// 处理border动画刚开始显示黑色的问题
border-color: #fff;
transition-property: border-color;
transition-duration: 0.3s;
}
.uni-easyinput__content-input {
/* #ifndef APP-NVUE */
width: auto;
/* #endif */
position: relative;
overflow: hidden;
flex: 1;
line-height: 1;
font-size: 14px;
height: 35px;
// min-height: 36px;
}
.uni-easyinput__placeholder-class {
color: #999;
font-size: 12px;
// font-weight: 200;
}
.is-textarea {
align-items: flex-start;
}
.is-textarea-icon {
margin-top: 5px;
}
.uni-easyinput__content-textarea {
position: relative;
overflow: hidden;
flex: 1;
line-height: 1.5;
font-size: 14px;
margin: 6px;
margin-left: 0;
height: 80px;
min-height: 80px;
/* #ifndef APP-NVUE */
min-height: 80px;
width: auto;
/* #endif */
}
.input-padding {
padding-left: 10px;
}
.content-clear-icon {
padding: 0 5px;
}
.label-icon {
margin-right: 5px;
margin-top: -1px;
}
// 显示边框
.is-input-border {
/* #ifndef APP-NVUE */
display: flex;
box-sizing: border-box;
/* #endif */
flex-direction: row;
align-items: center;
border: 1px solid $uni-border-1;
border-radius: 4px;
/* #ifdef MP-ALIPAY */
overflow: hidden;
/* #endif */
}
.uni-error-message {
position: absolute;
bottom: -17px;
left: 0;
line-height: 12px;
color: $uni-error;
font-size: 12px;
text-align: left;
}
.uni-error-msg--boeder {
position: relative;
bottom: 0;
line-height: 22px;
}
.is-input-error-border {
border-color: $uni-error;
.uni-easyinput__placeholder-class {
color: mix(#fff, $uni-error, 50%);
}
}
.uni-easyinput--border {
margin-bottom: 0;
padding: 10px 15px;
// padding-bottom: 0;
border-top: 1px #eee solid;
}
.uni-easyinput-error {
padding-bottom: 0;
}
.is-first-border {
/* #ifndef APP-NVUE */
border: none;
/* #endif */
/* #ifdef APP-NVUE */
border-width: 0;
/* #endif */
}
.is-disabled {
background-color: #f7f6f6;
color: #d5d5d5;
.uni-easyinput__placeholder-class {
color: #d5d5d5;
font-size: 12px;
}
}
</style>