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https://www.uviewui.com/components/codeInput.html （CodeInput 验证码输入）
https://www.uviewui.com/components/keyboard.html （Keyboard 键盘）

<u-keyboard	mode="number" :dotDisabled="true" :show="show" tips='密码为6位数字' confirmText='完成'closeOnClickOverlay@change="changeFun"@close="closeFun"@cancel="closeFun"@confirm='confirmFun'@backspace="backspaceFun"><view class="flex_center u-bg-white u-p-t-40"><u-code-input v-model="value" dot></u-code-input></view>
</u-keyboard>

// 按键被点击(不包含退格键被点击)
changeFun(e){// 最多输入6为数字if(this.value.length >= 6){return;}this.value += e;
},
// 键盘退格键被点击
backspaceFun(){this.value = this.value.slice(0, -1);
},
// 确定 密码键盘
confirmFun(){console.log('密码为：', this.value)this.show = false;this.value = '';
},
// 关闭 密码键盘
closeFun(){this.show = false;this.value = '';
},

css

.flex_center{display:flex; align-items:center;justify-content:center;
}
.u-bg-white{background-color: #fff;
}
.u-p-t-40{padding-top:40rpx;
}