momentjs是一个处理时间的js库,简洁易用。
浅析一下, momentjs 在vue中对DatePicker时间组件的禁用实践。
一,npm下载
npm install moment --save
二,particles.json中
"dependencies": {
"axios": "^0.18.0",
"iview": "^3.4.0",
"moment": "^2.24.0",
"vue": "^2.5.10",
"vue-i18n": "^7.8.0",
"vue-router": "^3.0.1",
"vuex": "^3.0.1"
},
三,引入使用
1.main.js中引入
import 'moment/locale/zh-cn'
moment.locale('zh-cn');
Vue.prototype.$moment = moment;
2.页面或组件引入使用
import moment from "moment"
3.方法使用
moment().format('YYYY-MM-DD'); //获取格式
moment().startOf('month') //获取当月第一天
moment().endOf('month') //获取当月最后一天
moment().subtract(7, 'days') //获取前7天
moment().subtract(4,'month') //获取前4个月
更多方法参考momentjs官网:momentjs
4.应用实例
a,日期禁用
pickerStart: {
disabledDate(time) {
let startDate;
let endDate=moment().subtract(4, "days").format("YYYY-MM-DD");
if(today<4){
startDate=moment().subtract(5,'month').endOf('month').format('YYYY-MM-DD');
}
if(today>4||today==4){
startDate=moment().subtract(4,'month').endOf('month').format('YYYY-MM-DD');
}
return (
time && time.valueOf() < new Date(startDate).getTime() ||
time.valueOf() > new Date(endDate).getTime()
);
}
},
pickerEnd: {
disabledDate(time) {
let startDate;
let endDate=moment().subtract(4, "days").format("YYYY-MM-DD");
if(today<4){
startDate=moment().subtract(5,'month').endOf('month').format('YYYY-MM-DD');
}
if(today>4||today==4){
startDate=moment().subtract(4,'month').endOf('month').format('YYYY-MM-DD');
}
return (
time && time.valueOf() < new Date(startDate).getTime() ||
time.valueOf() > new Date(endDate).getTime()
);
},
},
b,月份禁用
pickerStart: {
disabledDate(time) {
let startMonth;
let endMonth;
if(today<4){
startMonth=moment().subtract(5, "month").format("YYYY-MM");
endMonth=moment().subtract(2, "month").format("YYYY-MM");
}
if(today>4||today==4){
startMonth=moment().subtract(4, "month").format("YYYY-MM");
endMonth=moment().subtract(1, "month").format("YYYY-MM");
}
return (
time && time.valueOf() < new Date(startMonth).getTime() ||
time.valueOf() > new Date(endMonth).getTime()
);
}
},
pickerEnd: {
disabledDate(time) {
let startMonth;
let endMonth;
if(today<4){
startMonth=moment().subtract(5, "month").format("YYYY-MM");
endMonth=moment().subtract(2, "month").format("YYYY-MM");
}
if(today>4||today==4){
startMonth=moment().subtract(4, "month").format("YYYY-MM");
endMonth=moment().subtract(1, "month").format("YYYY-MM");
}
return (
time && time.valueOf() < new Date(startMonth).getTime() ||
time.valueOf() > new Date(endMonth).getTime()
);
},
},
四,页面效果
a,禁用月份
b,禁用日期
五,完整代码
1,页面查询组件引用
a.引入
import DateSearch from "_c/date-search";
components: {DateSearch},
b.渲染
<date-search ref="dateSearch">
<span class="search-label">查询时间</span>
</date-search>
c.获取时间
let {S_createTime_GTOE, S_createTime_LTOE} = this.$refs.dateSearch.getDateSearch();
this.queryParam.endTime =S_createTime_LTOE;
this.queryParam.startTime=S_createTime_GTOE;
2.时间组件
a.月份组件
<template>
<span>
<slot />
<FormItem>
<DatePicker
v-model="condition.S_createTime_GTOE"
confirm
clearable
placement="bottom-end"
class="search-input"
:type="type"
:format="format"
:options="pickerStart"
transfer
@on-change="onStartDateChange"
></DatePicker>
</FormItem>
<span class="search-label">至</span>
<FormItem>
<DatePicker
v-model="condition.S_createTime_LTOE"
confirm
clearable
placement="bottom-end"
:type="type"
:format="format"
class="search-input"
:options="pickerEnd"
transfer
@on-change="onEndDateChange"
></DatePicker>
</FormItem>
</span>
</template>
<script>
import { convertUTCTimeToMonth } from "@/libs/tools";
import moment from "moment"
export default {
props: {
format: {
type: String,
default: "yyyy-MM",
},
type: {
type: String,
default: "month",
},
defaultTime: {
type: Boolean,
default: true,
},
searchField: {
type: String,
default: "createTime",
},
},
data() {
const today= moment().format('DD');
return {
condition: {
S_createTime_GTOE: "",
S_createTime_LTOE: "",
},
pickerStart: {
disabledDate(time) {
let startMonth;
let endMonth;
if(today<4){
startMonth=moment().subtract(5, "month").format("YYYY-MM");
endMonth=moment().subtract(2, "month").format("YYYY-MM");
}
if(today>4||today==4){
startMonth=moment().subtract(4, "month").format("YYYY-MM");
endMonth=moment().subtract(1, "month").format("YYYY-MM");
}
return (
time && time.valueOf() < new Date(startMonth).getTime() ||
time.valueOf() > new Date(endMonth).getTime()
);
}
},
pickerEnd: {
disabledDate(time) {
let startMonth;
let endMonth;
if(today<4){
startMonth=moment().subtract(5, "month").format("YYYY-MM");
endMonth=moment().subtract(2, "month").format("YYYY-MM");
}
if(today>4||today==4){
startMonth=moment().subtract(4, "month").format("YYYY-MM");
endMonth=moment().subtract(1, "month").format("YYYY-MM");
}
return (
time && time.valueOf() < new Date(startMonth).getTime() ||
time.valueOf() > new Date(endMonth).getTime()
);
},
},
};
},
methods: {
getDateSearch() {
const defaultTime = this.defaultTime;
let valid = true;
let { S_createTime_GTOE, S_createTime_LTOE } = this.condition;
if (S_createTime_GTOE && typeof S_createTime_GTOE === "object") {
S_createTime_GTOE = convertUTCTimeToMonth(S_createTime_GTOE, true);
}
if (S_createTime_LTOE && typeof S_createTime_LTOE === "object") {
S_createTime_LTOE = convertUTCTimeToMonth(S_createTime_LTOE, true);
}
if (defaultTime) {
if (!S_createTime_GTOE) {
this.$Message.warning("查询起始时间不能为空");
valid = false;
} else if (!S_createTime_LTOE) {
this.$Message.warning("查询结束时间不能为空");
valid = false;
}
else if (S_createTime_LTOE < S_createTime_GTOE) {
this.$Message.warning("结束时间不能早于起始时间");
valid = false;
}
} else {
if (S_createTime_LTOE && S_createTime_LTOE < S_createTime_GTOE) {
this.$Message.warning("结束时间不能早于起始时间");
valid = false;
}
}
return {
valid,
[`S_${this.searchField}_GTOE`]: S_createTime_GTOE,
[`S_${this.searchField}_LTOE`]: S_createTime_LTOE,
};
},
onStartDateChange(date) {
this.condition.S_createTime_GTOE = date;
},
onEndDateChange(date) {
this.condition.S_createTime_LTOE = date;
},
getDefaultTime() {
let startMonth;
let endMonth;
let today= moment().format('DD'); //30
if(today<4){
startMonth=moment().subtract(4, "month").format("YYYY-MM");
endMonth=moment().subtract(2, "month").format("YYYY-MM");
}
if(today>4||today==4){
startMonth=moment().subtract(3, "month").format("YYYY-MM");
endMonth=moment().subtract(1, "month").format("YYYY-MM");
}
return [startMonth,endMonth]
},
resetDateSearch(){
if(this.defaultTime){
this.condition.S_createTime_GTOE = this.getDefaultTime()[0],
this.condition.S_createTime_LTOE = this.getDefaultTime()[1]
}else{
this.condition.S_createTime_GTOE = ""
this.condition.S_createTime_LTOE = ""
}
}
},
created() {
this.resetDateSearch();
},
};
</script>
convertUTCTimeToMonth 方法
// 时间到月(年/月)
export const convertUTCTimeToMonth = (UTCDateString) => {
if (!UTCDateString) {
return '-'
}
function formatFunc (str) {
return str > 9 ? str : '0' + str
}
let date2 = new Date(UTCDateString)
let year = date2.getFullYear()
let mon = formatFunc(date2.getMonth() + 1)
let day = formatFunc(date2.getDate())
let hour = date2.getHours()
hour = formatFunc(hour)
let min = formatFunc(date2.getMinutes())
let second = formatFunc(date2.getSeconds())
let dateStr = year + '-' + mon
return dateStr
}
b.日期组件
<template>
<span>
<slot />
<FormItem>
<DatePicker
v-model="condition.S_createTime_GTOE"
confirm
clearable
placement="bottom-end"
class="search-input"
:type="type"
:format="format"
:options="pickerStart"
transfer
@on-change="onStartDateChange"
></DatePicker>
</FormItem>
<span class="search-label">至</span>
<FormItem>
<DatePicker
v-model="condition.S_createTime_LTOE"
confirm
clearable
placement="bottom-end"
:type="type"
:format="format"
class="search-input"
:options="pickerEnd"
transfer
@on-change="onEndDateChange"
></DatePicker>
</FormItem>
</span>
</template>
<script>
import { convertUTCTimeToDate } from "@/libs/tools";
import moment from "moment"
export default {
props: {
format: {
type: String,
default: "yyyy-MM-dd",
},
type: {
type: String,
default: "date",
},
defaultTime: {
type: Boolean,
default: true,
},
searchField: {
type: String,
default: "createTime",
},
},
data() {
const today= moment().format('DD');
return {
condition: {
S_createTime_GTOE: "",
S_createTime_LTOE: "",
},
pickerStart: {
disabledDate(time) {
let startDate;
let endDate=moment().subtract(4, "days").format("YYYY-MM-DD");
if(today<4){
startDate=moment().subtract(5,'month').endOf('month').format('YYYY-MM-DD');
}
if(today>4||today==4){
startDate=moment().subtract(4,'month').endOf('month').format('YYYY-MM-DD');
}
return (
time && time.valueOf() < new Date(startDate).getTime() ||
time.valueOf() > new Date(endDate).getTime()
);
}
},
pickerEnd: {
disabledDate(time) {
let startDate;
let endDate=moment().subtract(4, "days").format("YYYY-MM-DD");
if(today<4){
startDate=moment().subtract(5,'month').endOf('month').format('YYYY-MM-DD');
}
if(today>4||today==4){
startDate=moment().subtract(4,'month').endOf('month').format('YYYY-MM-DD');
}
return (
time && time.valueOf() < new Date(startDate).getTime() ||
time.valueOf() > new Date(endDate).getTime()
);
},
},
};
},
methods: {
getDateSearch() {
const defaultTime = this.defaultTime;
let valid = true;
let { S_createTime_GTOE, S_createTime_LTOE } = this.condition;
if (S_createTime_GTOE && typeof S_createTime_GTOE === "object") {
S_createTime_GTOE = convertUTCTimeToDate(S_createTime_GTOE, true);
}
if (S_createTime_LTOE && typeof S_createTime_LTOE === "object") {
S_createTime_LTOE = convertUTCTimeToDate(S_createTime_LTOE, true);
}
if (defaultTime) {
if (!S_createTime_GTOE) {
this.$Message.warning("查询起始时间不能为空");
valid = false;
} else if (!S_createTime_LTOE) {
this.$Message.warning("查询结束时间不能为空");
valid = false;
}
else if (S_createTime_LTOE < S_createTime_GTOE) {
this.$Message.warning("结束时间不能早于起始时间");
valid = false;
}
} else {
if (S_createTime_LTOE && S_createTime_LTOE < S_createTime_GTOE) {
this.$Message.warning("结束时间不能早于起始时间");
valid = false;
}
}
return {
valid,
[`S_${this.searchField}_GTOE`]: S_createTime_GTOE.split(" ")[0],
[`S_${this.searchField}_LTOE`]: S_createTime_LTOE.split(" ")[0],
};
},
onStartDateChange(date) {
this.condition.S_createTime_GTOE = date;
},
onEndDateChange(date) {
this.condition.S_createTime_LTOE = date;
},
getDefaultTime() {
let startDate;
let today= moment().format('DD'); //30
let endDate=moment().subtract(4, "days").format("YYYY-MM-DD");
if(today<4){
startDate=moment().subtract(4,'month').startOf('month').format('YYYY-MM-DD');
}
if(today>4||today==4){
startDate=moment().subtract(3,'month').startOf('month').format('YYYY-MM-DD');
}
return [startDate,endDate]
},
resetDateSearch(){
if(this.defaultTime){
this.condition.S_createTime_GTOE = this.getDefaultTime()[0],
this.condition.S_createTime_LTOE = this.getDefaultTime()[1]
}else{
this.condition.S_createTime_GTOE = ""
this.condition.S_createTime_LTOE = ""
}
}
},
created() {
this.resetDateSearch();
},
};
</script>
convertUTCTimeToDate
// 时间到日期(年/月/日)
export const convertUTCTimeToDate = (UTCDateString) => {
if (!UTCDateString) {
return '-'
}
function formatFunc (str) {
return str > 9 ? str : '0' + str
}
let date2 = new Date(UTCDateString)
let year = date2.getFullYear()
let mon = formatFunc(date2.getMonth() + 1)
let day = formatFunc(date2.getDate())
let hour = date2.getHours()
hour = formatFunc(hour)
let min = formatFunc(date2.getMinutes())
let second = formatFunc(date2.getSeconds())
let dateStr = year + '-' + mon + '-' + day
return dateStr
}
<完>