124 lines
2.0 KiB
Vue
124 lines
2.0 KiB
Vue
|
<template>
|
||
|
|
<view
|
||
|
|
class="cl-captcha"
|
||
|
|
:class="{
|
||
|
|
'is-border': border,
|
||
|
|
}"
|
||
|
|
>
|
||
|
|
<input
|
||
|
|
class="cl-captcha__input"
|
||
|
|
v-model="value"
|
||
|
|
type="number"
|
||
|
|
:focus="focus"
|
||
|
|
:maxlength="len"
|
||
|
|
@focus="onFocus"
|
||
|
|
@blur="onBlur"
|
||
|
|
@input="onInput"
|
||
|
|
/>
|
||
|
|
|
||
|
|
<view class="cl-captcha__code">
|
||
|
|
<view
|
||
|
|
class="cl-captcha__item"
|
||
|
|
:style="{
|
||
|
|
height: parseRpx(height),
|
||
|
|
margin: `0 ${parseRpx(gutter)}`,
|
||
|
|
backgroundColor,
|
||
|
|
}"
|
||
|
|
v-for="(_, index) in list"
|
||
|
|
:key="index"
|
||
|
|
>
|
||
|
|
<text class="cl-captcha__value">{{ value[index] }}</text>
|
||
|
|
<view class="cl-captcha__cursor" v-if="value.length == index && isFocus"></view>
|
||
|
|
</view>
|
||
|
|
</view>
|
||
|
|
</view>
|
||
|
|
</template>
|
||
|
|
|
||
|
|
<script lang="ts">
|
||
|
|
import { computed, defineComponent, ref, watch } from "vue";
|
||
|
|
import { parseRpx } from "/@/cool/utils";
|
||
|
|
|
||
|
|
export default defineComponent({
|
||
|
|
name: "cl-captcha",
|
||
|
|
|
||
|
|
props: {
|
||
|
|
// 绑定值
|
||
|
|
modelValue: String,
|
||
|
|
// 是否自动聚焦
|
||
|
|
focus: Boolean,
|
||
|
|
// 验证码高度
|
||
|
|
height: {
|
||
|
|
type: [String, Number],
|
||
|
|
default: 140,
|
||
|
|
},
|
||
|
|
// 验证码位数
|
||
|
|
len: {
|
||
|
|
type: Number,
|
||
|
|
default: 4,
|
||
|
|
},
|
||
|
|
// 间隔
|
||
|
|
gutter: {
|
||
|
|
type: Number,
|
||
|
|
default: 20,
|
||
|
|
},
|
||
|
|
// 带边框
|
||
|
|
border: Boolean,
|
||
|
|
// 背景色
|
||
|
|
backgroundColor: {
|
||
|
|
type: String,
|
||
|
|
default: "#ebecee",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
|
||
|
|
emits: ["update:modelValue", "done"],
|
||
|
|
|
||
|
|
setup(props, { emit }) {
|
||
|
|
const value = ref();
|
||
|
|
|
||
|
|
// 是否聚焦
|
||
|
|
const isFocus = ref(props.focus);
|
||
|
|
|
||
|
|
// 头条小程序下，无法 v-for 数字
|
||
|
|
const list = computed(() => new Array(props.len).fill(1));
|
||
|
|
|
||
|
|
watch(
|
||
|
|
() => props.modelValue,
|
||
|
|
(val) => {
|
||
|
|
value.value = val || "";
|
||
|
|
},
|
||
|
|
{
|
||
|
|
immediate: true,
|
||
|
|
},
|
||
|
|
);
|
||
|
|
|
||
|
|
function onFocus() {
|
||
|
|
isFocus.value = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function onBlur() {
|
||
|
|
isFocus.value = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function onInput(e: any) {
|
||
|
|
const val = e.detail.value;
|
||
|
|
|
||
|
|
emit("update:modelValue", val);
|
||
|
|
|
||
|
|
if (val.length === props.len) {
|
||
|
|
emit("done", val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
value,
|
||
|
|
isFocus,
|
||
|
|
list,
|
||
|
|
parseRpx,
|
||
|
|
onFocus,
|
||
|
|
onBlur,
|
||
|
|
onInput,
|
||
|
|
};
|
||
|
|
},
|
||
|
|
});
|
||
|
|
</script>
|