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前端处理

1. 发送日期字符串而非时间戳

在前端使用日期选择器（如 el-date-picker）获取日期后，将日期转换为特定格式的字符串（如 YYYY-MM-DD）发送给后端，避免直接发送带有时区信息的时间戳或日期对象。这样做的好处是将日期信息以一种通用、无歧义的格式传递，减少后端处理时区的复杂性。

vue

<template><el-form :model="warehousingForm" ref="formRef"><el-form-item label="生产日期" prop="productionDate"><el-date-picker v-model="warehousingForm.productionDate" type="date" placeholder="选择日期"></el-date-picker></el-form-item><el-form-item label="有效期" prop="expiringDate"><el-date-picker v-model="warehousingForm.expiringDate" type="date" placeholder="选择日期"></el-date-picker></el-form-item><el-button @click="submitForm">提交</el-button></el-form>
</template><script>
export default {data() {return {warehousingForm: {productionDate: null,expiringDate: null}};},methods: {submitForm() {if (this.warehousingForm.productionDate) {this.warehousingForm.productionDate = this.formatDate(this.warehousingForm.productionDate);}if (this.warehousingForm.expiringDate) {this.warehousingForm.expiringDate = this.formatDate(this.warehousingForm.expiringDate);}// 模拟发送请求console.log(JSON.stringify(this.warehousingForm));},formatDate(date) {const d = new Date(date);const year = d.getFullYear();const month = String(d.getMonth() + 1).padStart(2, '0');const day = String(d.getDate()).padStart(2, '0');return `${year}-${month}-${day}`;}}
};
</script>