automated_uniapp/uni_modules/cool-ui/components/cl-captcha/cl-captcha.vue
2025-01-09 16:16:11 +08:00

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<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>