uniCloud ---- uni-captch实现图形验证码

<template>
	<uni-captcha scene="场景值" v-model="验证码的值"></uni-captcha>
</template>

// common/hello-common/index.js
function getVersion() {
  return '0.0.1'
}
module.exports = {
  getVersion,
  secret: 'your secret'
}

// use-common/index.js
'use strict';
const {
  secret,
  getVersion
} = require('hello-common')
exports.main = async (event, context) => {
  let version = getVersion()
  return {
    secret,
    version
  }
}

<template>
	<view class="container">
		<view class="wrapper">
			<view class="title">
				用户注册
			</view>
			<view class="input-content">
				<u-form :model="form" ref="uForm">
					<u-form-item label="手机" prop="Phone">
						<u-input placeholder="请输入手机号" v-model="form.Phone" />
					</u-form-item>
					<u-form-item label="密码" prop="Password">
						<u-input type="password" placeholder="请输入密码" v-model="form.Password" />
					</u-form-item>
					<u-form-item label="密码" prop="Password1">
						<u-input type="password" placeholder="确认密码" v-model="form.Password1" />
					</u-form-item>
					<u-form-item prop="captcha" label="验证码" label-width="100rpx">
						<uni-captcha :scene="form.scene" v-model="form.captcha"></uni-captcha>
					</u-form-item>
				</u-form>
			</view>
			<button class="confirm-btn" @click="register()">注册</button>
		</view>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				// 校验规则
				rules: {
					Phone: [{
							required: true,
							message: '请输入手机号',
							// 可以单个或者同时写两个触发验证方式 
							trigger: ['change', 'blur'],
						},
						{
							// 自定义验证函数，见上说明
							validator: (rule, value, callback) => {
								// 上面有说，返回true表示校验通过，返回false表示不通过
								// this.$u.test.mobile()就是返回true或者false的
								return this.$u.test.mobile(value);
							},
							message: '手机号码不正确',
							// 触发器可以同时用blur和change
							trigger: ['change', 'blur'],
						}
					],
					Password: [{
							required: true,
							message: '请输入密码',
							// 可以单个或者同时写两个触发验证方式 
							trigger: ['change', 'blur'],
						},
						{
							min: 6,
							message: '密码不能少于5个字',
							trigger: 'change'
						}
					],
					Password1: [{
							required: true,
							message: '请输入确认密码',
							// 可以单个或者同时写两个触发验证方式 
							trigger: ['change', 'blur'],
						},
						{
							// 自定义验证函数，见上说明
							validator: (rule, value, callback) => {
								// 上面有说，返回true表示校验通过，返回false表示不通过
								// this.$u.test.mobile()就是返回true或者false的
								return value === this.form.Password
							},
							message: '两次密码不一致',
							// 触发器可以同时用blur和change
							trigger: ['change', 'blur'],
						}
					],
					captcha: [{
						required: true,
						message: '请输入验证码',
						// 可以单个或者同时写两个触发验证方式 
						trigger: ['change', 'blur'],
					}]

				},

				form: {
					Phone: '',
					Password: '',
					Password1: '',
					scene: "register",
					captcha: ""
				},

			}
		},
		// 必须要在onReady生命周期，因为onLoad生命周期组件可能尚未创建完毕
		onReady() {
			console.log("执行");
			this.$refs.uForm.setRules(this.rules);
		},
		methods: {

			register() {
				this.$refs.uForm.validate(valid => {
					if (valid) {

						let data = {
							...this.form
						}

						uniCloud.callFunction({
							name: "register",
							data: data
						}).then(res => {
							console.log(res);
							if (res.result.code == 0) {
								this.$u.toast('注册成功');
								setTimeout(() => {
									uni.navigateBack()
								}, 300)

							} else {
								this.form['scene'] = 'register' + Math.random();
								this.$u.toast(res.result.message);
							}
						})

					} else {
						console.log('验证失败');
					}
				});
			}
		},
	}
</script>

/* <style lang='scss'>
	.container {
		padding-top: 50px;
		width: 100vw;
		height: 100vh;
		background: #fff;
	}

	.wrapper {
		background: #fff;
		padding-bottom: 40upx;
	}


	.title {
		text-align: center;
		margin-bottom: 100rpx;
		font-size: 46upx;
		color: #555;
		text-shadow: 1px 0px 1px rgba(0, 0, 0, .3);
	}

	.input-content {
		padding: 0 60upx;
	}

	.input-item {
		display: flex;
		flex-direction: column;
		align-items: flex-start;
		justify-content: center;
		padding: 0 30upx;
		background: $page-color-light;
		height: 120upx;
		border-radius: 4px;
		margin-bottom: 50upx;

		&:last-child {
			margin-bottom: 0;
		}

		.tit {
			height: 50upx;
			line-height: 56upx;
			font-size: $font-sm+2upx;
			color: $font-color-base;
		}

		input {
			height: 60upx;
			font-size: $font-base + 2upx;
			color: $font-color-dark;
			width: 100%;
		}
	}

	.confirm-btn {
		width: 630upx;
		height: 76upx;
		line-height: 76upx;
		border-radius: 50px;
		margin-top: 70upx;
		background: $uni-theme-color;
		color: #fff;
		font-size: $font-lg;

		&:after {
			border-radius: 100px;
		}
	}

	.forget-section {
		font-size: $font-sm+2upx;
		color: $uni-theme-color;
		text-align: center;
		margin-top: 40upx;
	}

	.captcha_box {
		.input {}

		.captcha {
			width: 240rpx;
			height: 72rpx;
		}
	}
</style>