添加校验。

pages/coupon/creatReduction.vue

@@ -28,11 +28,12 @@
 								<text class="section-limit" >0元即不限制金额</text>
 							</text>
 							<view class="flex align-center"><u-input v-model="form.contentConditions"
-									placeholder="输入金额" />元</view>
+									placeholder="输入金额" @input="(val) => handleAmountInput(val, 'contentConditions', true)" />元</view>
 						</view>
 						<view style="width: 46%;">
 							<text class="section-title" style="font-weight: 500;">减</text>
-							<view class="flex align-center"><u-input v-model="form.contentInfo" placeholder="输入金额" />元
+							<view class="flex align-center"><u-input v-model="form.contentInfo" placeholder="输入金额"
+									@input="(val) => handleAmountInput(val, 'contentInfo', false)" />元
 							</view>
 						</view>
 
@@ -372,6 +373,44 @@ export default {
 				url: '/pages/coupon/activity?params=' + encodeURIComponent(JSON.stringify(this.form.couponRangeInfo))
 			})
 		},
+		handleAmountInput(val, field, allowZero = false) {
+			this.$nextTick(() => {
+				if (!val && val !== 0) {
+					this.form[field] = ''
+					return
+				}
+				let value = val.toString().replace(/[^\d.]/g, '')
+				const dotIndex = value.indexOf('.')
+				if (dotIndex !== -1) {
+					value = value.slice(0, dotIndex + 1) + value.slice(dotIndex + 1).replace(/\./g, '')
+				}
+				const parts = value.split('.')
+				if (parts.length === 2 && parts[1].length > 2) {
+					value = parts[0] + '.' + parts[1].slice(0, 2)
+				}
+				if (value.startsWith('0') && value.length > 1 && value[1] !== '.') {
+					value = value.replace(/^0+/, '') || '0'
+				}
+				if (!allowZero && value !== '' && parseFloat(value) === 0) {
+					uni.showToast({
+						title: '减免金额必须大于0',
+						icon: 'none'
+					})
+					this.form[field] = ''
+					return
+				}
+				this.form[field] = value
+			})
+		},
+		isValidAmount(value, allowZero = false) {
+			if (value === '' || value === null || value === undefined) return false
+			const str = String(value)
+			if (!/^\d+(\.\d{1,2})?$/.test(str)) return false
+			const num = parseFloat(str)
+			if (isNaN(num) || num < 0) return false
+			if (allowZero) return num >= 0
+			return num > 0
+		},
 		//提交审核
 		submit() {
 				console.log('++++')
@@ -381,15 +420,33 @@ export default {
 					icon: 'none'
 				});
 				return
-			} else if (this.form.contentConditions=='') {
+			} else if (this.form.contentConditions === '') {
 				uni.showToast({
 					title: '请输入满减金额',
 					icon: 'none'
 				});
 				return
-			}  else if (!this.form.contentInfo) {
+			} else if (!this.isValidAmount(this.form.contentConditions, true)) {
+				uni.showToast({
+					title: '满减金额只能输入0或正数',
+					icon: 'none'
+				});
+				return
+			} else if (!this.form.contentInfo) {
+				uni.showToast({
+					title: '请输入减免金额',
+					icon: 'none'
+				});
+				return
+			} else if (!this.isValidAmount(this.form.contentInfo, false)) {
+				uni.showToast({
+					title: '减免金额只能输入正数',
+					icon: 'none'
+				});
+				return
+			} else if (parseFloat(this.form.contentConditions) > 0 && parseFloat(this.form.contentInfo) > parseFloat(this.form.contentConditions)) {
 				uni.showToast({
-					title: '请输入金额',
+					title: '减免金额不能大于满减门槛',
 					icon: 'none'
 				});
 				return