BiKing/pages/contract/sustainability/lever.vue

<template>
	<uni-popup ref="popupRef" type="bottom" @change="popupChange" :isMaskClick="false">

		<view class="popup-box">
			<view class="popup-title">
				<text class="title-side"></text>
				<text class="title-name">调整杠杆</text>
				<text @click.stop="close()" class="title-side iconfont">&#xeca0;</text>
			</view>
			<view class="popup-content">
				<view class="content-tab">
					<view @click.stop="pattern.name = '全仓'"
						:class="['tab-item' , pattern.name == '全仓' ? 'active-tab-item' : '']">全仓</view>
					<view @click.stop="pattern.name = '逐仓'"
						:class="['tab-item' , pattern.name == '逐仓' ? 'active-tab-item' : '']">逐仓</view>
				</view>
				<view class="content-nums">
					<text class="nums-alter iconfont" @click.stop="changeLeverNum('minus')">-</text>
					<view class="nums-box">
						  
						<input ref="numsInpRef" class="nums-inp" @input="patternNumChange" @focus="setCursorNum"
							@blur="cursorNum = 0" :cursor="cursorNum"  v-model="pattern.num">

					</view>
					<text class="nums-alter iconfont" @click.stop="changeLeverNum('add')">+</text>
				</view>
				<view class="content-nums-item">
					<text v-for="item in LeverArr" :key="`lever_${item}`" @click.stop="changeLeverItem(item)"
						:class="['nums-item', pattern.num == item ? 'active-nums-item' : '']">{{item}}</text>
				</view>
				<view class="content-hint" v-show="pattern.name == '全仓'">
					<text class="hint-lable">全仓模式：</text>
					全仓模式下所有仓位将共享合约账户的可用保证金，若发生强平，交易者可能损失所有仓位和可用保证金，请注意仓位风险！
				</view>
				<view class="content-hint" v-show="pattern.name == '逐仓'">
					<text class="hint-lable">逐仓模式：</text>
					逐仓模式下保证金被分配到单独的仓位上，如果该仓位保证金亏损到低于维持保证金的值，仓位将被强平。您可以通过为仓位添加和减少保证金来控制仓位风险。
				</view>


				<view class="footer-btns">
					<view class="footer-btn" @click.stop="close()">取消</view>
					<view class="footer-btn" @click.stop="confirm()">确定</view>
				</view>
			</view>
		</view>
	</uni-popup>
</template>

<script>
	export default {
		props: {
			leverNum: {
				type: Number,
				default: 1
			},
			leverName: {
				type: String,
				default: ''
			}
		},
		data() {
			return {
				pattern: {
					name: '全仓',
					num: '',
				},

				LeverArr: ['5X', '10X', '20X', '50X', '100X'],

				cursorNum: 0,
			};
		},
		watch: {
			leverNum: {
				handler(newVal) {
					this.pattern.num = newVal + 'X'
					console.log('this.pattern.num' , this.pattern.num)
				},
				immediate: true
			},
			leverName: {
				handler(newVal) {
					this.pattern.name = newVal
				},
				immediate: true
			},
			"pattern.num"(newVal, oldVal) {
					if (newVal !== oldVal) {
						let numStr = newVal
						console.log('numStr = ' , numStr)
						if (numStr.indexOf('X') >= 0) {
							numStr = numStr.split('X')[0]
						}
						 numStr = newVal.replace(/[^0-9]/ig, "");
						if (numStr > 100) {
							numStr = 100
						} else if (numStr < 1) {
							numStr = 1
						}
						setTimeout(() => {
							this.$set(this.pattern , 'num' , `${numStr}X`);
						}, 0)
					}

			}

		},
		mounted() {
			// this.open();
		},
		methods: {
			popupChange(e) {
				try {
					if (e && e.show) {
						uni.hideTabBar()
					} else {
						setTimeout(() => {
							uni.showTabBar()
						}, 10)
					}
				} catch (e) {
					//TODO handle the exception
				}
			},
			// close(type) {
			// 	this.showTrans = false
			// 	this.$emit('change', {
			// 		show: false,
			// 		type: this.type
			// 	})
			open() {
				// this.pattern.num = this.leverNum;
				// this.pattern.name = this.leverName;
				this.$nextTick(() => {
					this.$refs.popupRef.open();
				})
			},
			close() {
				this.$refs.popupRef.close();
			},

			confirm() {
				let nums = this.pattern.num
				if ( nums.indexOf('X') >= 0) {
					nums = nums.split('X')[0] - 0
				}
				this.$emit('update:leverNum', nums);
				this.$emit('update:leverName', this.pattern.name);
				this.close()
			},
			changeLeverItem(e) {
				this.pattern.num = e;
			},
			setCursorNum() {
				// this.$refs.numsInpRef
				console.log('eee')
				// this.leverNum.length - 1
				setTimeout(() => {
					this.cursorNum = 1
				}, 1)

			},
			// 输入修改
			patternNumChange() {

				// this.$set()
			},
			// 
			changeLeverNum(type) {
				let nums = this.pattern.num
				if (this.pattern.num.indexOf('X') >= 0) {
					nums = nums.split('X')[0]
				}
				if (type === 'minus') {
					// 减
					if (nums > 1) {
						nums = nums - 1
					} else {
						nums = 1
					}
				} else if (type === 'add') {
					// 加
					if (nums < 100) {
						// - 0 是防止出现字符串
						nums = nums - 0 + 1
					} else {
						nums = 100
					}
				};
				this.pattern.num = `${nums}X`
			},
		}
	}
</script>

<style lang="scss" scoped>
	.popup-content {
		padding: 0 $pages-padding;

		.content-tab {
			padding: 20rpx 0;
			display: flex;
			justify-content: space-between;
			align-items: center;

			.tab-item {
				width: 48%;
				height: 70rpx;
				text-align: center;
				border: 1rpx solid $border-color4;
				line-height: 70rpx;
				font-size: 26rpx;
				border-radius: 10rpx;
				// font-weight: bold;
			}

			.active-tab-item {
				border-color: $Theme-Color;
				color: $Theme-Color;
			}
		}

		.content-nums {
			width: 100%;
			display: flex;
			justify-content: space-between;
			align-items: stretch;
			padding: 40rpx 0 20rpx;

			.nums-alter {
				flex-shrink: 0;
				width: 80rpx;
				height: 80rpx;
				text-align: center;
				line-height: 80rpx;
				border: 1px solid $border-color6;
				font-size: 26rpx;
				color: $Theme-Color;

				&:last-child {
					border-radius: 0 10rpx 10rpx 0;
				}

				&:first-child {
					border-radius: 10rpx 0 0 10rpx;
				}
			}

			.nums-box {
				flex: 1;
				border-top: 1px solid $border-color6;
				border-bottom: 1px solid $border-color6;
				position: relative;

				.nums-inp {
					width: 100%;
					height: 100%;
					text-align: center;
					font-size: 28rpx;
					font-weight: bold;
				}

				.nums-t {
					position: absolute;
					left: 0;
					top: 0;
					width: 100%;
					height: 100%;
				}

				// <input class="nums-inp" type="text" v-model="leverNum">
				// <text class="nums-inp-tag">X</text>
			}
		}

		.content-nums-item {
			width: 100%;
			display: flex;
			justify-content: space-between;
			align-items: stretch;

			.nums-item {
				width: calc((100% - 40rpx) / 5);
				height: 54rpx;
				border: 1rpx solid $border-color4;
				border-radius: 6rpx;
				text-align: center;
				line-height: 52rpx;
				font-size: 26rpx;
			}

			.active-nums-item {
				background-color: $Theme-Color;
				border-color: $Theme-Color;
				color: #fff;
			}
		}

		.content-hint {
			width: 100%;
			font-size: 24rpx;
			color: #8d8a8a;
			line-height: 1.8;
			padding-top: 20rpx;

			.hint-lable {
				font-size: 24rpx;
				color: $Theme-Color;
				font-weight: bold;
			}
		}

		.footer-btns {
			padding: 80rpx 0 26rpx;
			display: flex;
			justify-content: space-between;
			align-items: stretch;

			.footer-btn {
				width: 47.5%;
				height: 70rpx;
				text-align: center;
				border: 1rpx solid $Theme-Color;
				line-height: 68rpx;
				font-size: 30rpx;
				border-radius: 10rpx;
				color: $Theme-Color;

				&:last-child {
					color: #fff;
					background-color: $Theme-Color;
				}
			}
		}

		// <view class="footer-btns">
		// 	<view class="footer-btn">取消</view>
		// 	<view class="footer-btn">确定</view>
		// </view>
	}
</style>